Patent EP0639030A2 successfully refreshed from Google Patents.
EP0639030A2
Expired / Lapsed
EP
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Two-way CATV system and remote control system
Assignee: Toshiba Corp
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Filing: 1994-08-10
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Granted: —
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Expires: 2014-08-10
Abstract
Abstract There is provided a method with which the expansion of CATV services and the diversity of subscribers' needs can be dealt with flexibly, it is easier to maintain and expand the apparatus, the system can be operated simply, and the parental control function is also simple. A head end (100) and a subscriber terminal unit (HIB) (500) have two-way communication means and are connected to each other via a two-way transmission line (701). The HIB (500) and subscriber remote control units (601 to 603) each have two-way communication means. The output of HIB (500) is supplied to various types of apparatuses (e.g., TVs or VTRs). The HIB (500) can also exchange data with an expansion unit (604). To control various types of apparatuses with a remote control unit, the remote control unit communicates with the HIB (500), receives the necessary data under the control of HIB (500), and together with HIB (500), controls various types of apparatuses.
Inventors
- 👤 Wataru Kuroiwa
- 👤 Isao Miyazaki
- 👤 Shinichi Ooi
- 👤 Yasushi Odagiri
- 👤 Masahiro 204 Kureare Takahashi
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-29 17:10
CPC Classifications
H; H04; H04N; H04N7/00; H04N7/16; H04N7/162; H04N7/163; H04B; H04B1/00; H04B1/06; H04B1/16; H04B1/20; H04B1/202; H04N21/00; H04N21/20; H04N21/25; H04N21/258; H04N21/40; H04N21/41; H04N21/4104; H04N21/4108; H04N21/4117; H04N21/4126; H04N21/41265; H04N21/4131; H04N21/422; H04N21/42204; H04N21/42206; H04N21/42208; H04N21/42209; H04N21/42221; H04N21/42226; H04N21/42227; H04N21/42228; H04N21/426; H04N21/42607; H04N21/4263; H04N21/42661; H04N21/43; H04N21/436; H04N21/43615; H04N21/4363; H04N21/43632; H04N21/438; H04N21/4383; H04N21/47; H04N21/482; H04N21/60; H04N21/61; H04N21/6106; H04N21/6118; H04N21/6156; H04N21/6168; H04N21/65; H04N21/654; H04N21/6547; H04N21/658; H04N21/80; H04N21/81; H04N21/8166; H04N21/8186; H04N7/173; H04N7/17309; H04N21/42224; H04N21/4227; H04N21/45; H04N21/4508; H04N21/4532; H04N21/454; H04N21/475; H04N21/4755
Claims Analysis
Total Claims: 75
Claim 1
Independent Claim
498 words
A CATV system comprising: center facilities (100, 200, 300) containing program information transmission means for transmitting program information including a plurality of television signals and center-side two-way communication means for exchanging data with a subscriber database and also transmitting and receiving data to and from the outside world; a two-way transmission line (701, 702, 703) to one end of which the output end of said program information transmission means and the transmitting and receiving section of said center-side two-way communication means are connected; a terminal apparatus (500) to which the other end of said two-way transmission line is connected, comprising: a common bus (511); a receiving block (501 to 503) whose external terminal is connected to said two-way transmission line and which receives and digitizes the program information from said program information transmission means, and outputs the digitized signal to said common bus; a terminal-side two-way communication block (521) whose external terminal is connected to said two-way transmission line, whose internal terminal is connected to said common bus, and which exchanges data with said two-way communication means and also transmits and receives data with a remote control unit; a plurality of program information processing blocks (504 to 508) for processing the reception program information received by said receiving block and outputted to said common bus; a management block (509, 510) which is connected to said common bus, stores the management data of each block, and gives at least timing setting data to each block in order to manage the addresses of receiving blocks on said common bus, the output timing of reception program information on a receiving channel and said common bus, the address of said terminal-side two-way communication block on said common bus and the input and output timing of data on said common bus, and the addresses of said program information processing blocks on said common bus and the taking-in timing of reception program information on said common bus and the contents of processes; a switch section (515) to which the program information processed at said program information processing blocks is supplied; a basic block (514, 422, 523, 524, 525, 526) whose data input and output terminals are connected to said common bus, whose address on said common bus is fixed, and which contains the function of grasping its physical address when each block is connected to said common bus, the function of communicating data with said terminal-side two-way communication block via said common bus, the function of entrusting said management block with the grasped address of each block, the tuning information obtained from said remote control unit through said data communication function, and specifying information specifying the contents of the process at said program information processing block and the output destination, and the function of controlling the select state of said switch section on the basis of the specifying information; and a plurality of RF modulating sections (615 to 518, 519, 520) which are connected to said switch section and each have different modulation frequencies.
Claim 2
Dependent Claim
226 words
A communication system for a CATV system, comprising: center facilities (100, 200, 300) containing an information transmitting unit for outputting program information including a plurality of television broadcasts, a subscriber database unit, and center-side two-way communication means; a two-way transmission line (701, 702, 703) connected to said center facilities; a subscriber terminal unit (500) which is connected to said two-way transmission line and contains terminal-side two-way communication means for said center facilities; a plurality of apparatuses (611 to 615, 629, 630) which are connected to the output terminal of said subscriber terminal unit (500) via coaxial cables and are to be controlled; information reception means (501 to 503) which is provided in said subscriber terminal (500) unit and receives at least a signal from said center facilities; and retransmission means (504 to 508, 515) which is provided in said subscriber terminal unit (500) and transmits the signal received at said information reception means to at least said output terminal, wherein to control said apparatuses (611 to 615, 629, 630), communication is effected with said subscriber terminal unit by using a subscriber remote control unit (601 to 603) acting as communication means capable of communicating with said subscriber terminal unit (500), and the data held in said subscriber terminal unit is used at said subscriber remote control unit, which, together with said subscriber terminal unit, performs control.
Claim 3
Dependent Claim
61 words
A communication system for a CATV system according to claim 2, characterized in that the number of said information reception means and that of said retransmission means in said subscriber terminal unit are each more than one, and the output frequencies of said retransmission means (516 to 518, 519, 520) are each allocated to at least a plurality of television sets.
Claim 4
Dependent Claim
88 words
A communication system for a CATV system according to claim 2, characterized in that said subscriber remote control unit (601 to 603) is previously given a unique address and contains means for inserting said unique address in transmission data and transmitting the resulting data, and said subscriber terminal unit contains address management means for said subscriber remote control units and means for preventing erroneous operations due to radio interference with another subscriber remote control unit by managing said unique addresses in communicating with said subscriber remote control unit.
Claim 5
Dependent Claim
38 words
A communication system for a CATV system according to claim 4, characterized in that the unique address of said subscriber remote control unit is managed at said database unit (200) before being managed at said subscriber terminal unit.
Claim 6
Dependent Claim
42 words
A communication system for a CATV system according to claim 5, characterized in that the unique address of said subscriber remote control unit managed at said database unit is transferred to said subscriber terminal unit by way of said two-way transmission line.
Claim 7
Dependent Claim
40 words
A communication system for a CATV system according to claim 2, characterized in that said information reception means and retransmission means in said subscriber terminal unit allocate unique addresses to said individual subscriber remote control units on a one-to-one basis.
Claim 8
Dependent Claim
78 words
A communication system for a CATV system according to claim 2, characterized in that the number of said subscriber remote control units is more than one, each of which is allocated a predetermined transmission frequency, and said information reception means and retransmission means in said subscriber terminal unit are provided with remote control unit transmission frequency managing means (544) and means (544) for selectively receiving communications from said subscriber remote control units in order to prevent radio interference.
Claim 9
Dependent Claim
47 words
A communication system for a CATV system according to claim 8, characterized in that the generated data for the upstream transmission frequency for said subscriber terminal unit in said subscriber remote control unit is managed at said database unit before being managed at said subscriber terminal unit.
Claim 10
Dependent Claim
60 words
A communication system for a CATV system according to claim 8, characterized in that the transmitted data from said subscriber remote control unit has a preamble period set therein, and said information reception means in said subscriber terminal unit determines said subscriber remote control unit to communicate with by sensing said preamble period in time division for each frequency managed.
Claim 11
Dependent Claim
49 words
A communication system for a CATV system according to claim 9, characterized in that the generated data for the upstream transmission frequency for said subscriber terminal unit of said subscriber remote control unit managed at said database, is transferred to said subscriber terminal unit via said two-way transmission line.
Claim 12
Dependent Claim
38 words
A communication system for a CATV system according to claim 8, characterized in that said retransmission means in said subscriber terminal unit allocates said downstream transmission frequencies to said individual subscriber remote control units on a one-to-one basis.
Claim 13
Dependent Claim
52 words
A communication system for a CATV system according to claim 2, characterized in that said information reception means, said retransmission means, and the transmission means in said subscriber remote control unit are composed of terminal-side two-way communication means capable of two-way communication with each other and remote control unit-side two-way communication means.
Claim 14
Dependent Claim
50 words
A communication system for a CATV system according to claim 13, characterized in that the number of said subscriber terminal units is more than one, and the downstream transmission frequency for the remote control unit corresponding to each terminal unit can be changed for each of adjacent subscriber terminal units.
Claim 15
Dependent Claim
31 words
A communication system for a CATV system according to claim 14, characterized in that the generated data for obtaining said downstream transmission frequency is managed at the subscriber database unit (200).
Claim 16
Dependent Claim
68 words
A communication system for a CATV system according to claim 15, characterized in that the generated data for obtaining said downstream transmission frequency for said subscriber terminal unit (500) is transmitted from said subscriber database unit (200) to a corresponding subscriber terminal unit by way of a two-way transmission line so that the downstream transmission frequency for said subscriber remote control unit (601, 602, 603) can be changed.
Claim 17
Dependent Claim
119 words
A subscriber terminal apparatus connected to a CATV system, comprising: a plurality of television signal tuning reception means (501 to 503); a plurality of television signal retransmission means (504 to 506, 507, 508); terminal-side two-way communication means (521, 544) containing the function of receiving the upstream transmission signals from remote control units to accept the subscriber's intention, and the function of managing two or more of said remote control units; mixing and output means (516 to 518, 519, 520) for outputting the signal of said television signal retransmission means to house wiring; and control means (521, 514, 525) for controlling said television signal tuning reception means on the basis of the information obtained at said terminal two-way communication means.
Claim 18
Dependent Claim
68 words
A subscriber terminal apparatus according to claim 17, characterized in that said terminal-side two-way communication means contains managing means for managing the unique apparatuses previously allocated to said remote control units in order to prevent erroneous operations due to radio interference in communicating with said remote control units, and address identification means for identifying said unique addresses contained in each communication data item from said remote control units.
Claim 19
Dependent Claim
52 words
A subscriber terminal apparatus according to claim 18, characterized in that said terminal-side two-way communication means contains means for communicating with a subscriber database managing unit in the center facilities and signal processing means for responding only to the remote control unit with said unique address specified by said subscriber database unit.
Claim 20
Dependent Claim
44 words
A subscriber terminal apparatus according to claim 18, characterized in that said terminal-side two-way communication means contains signal processing means for changing the contents of the output so as to correspond to the unique addresses of said remote control units on a one-to-one basis.
Claim 21
Dependent Claim
54 words
A subscriber terminal apparatus according to claim 17, characterized in that said terminal-side two-way communication means contains reception frequency managing means for selectively receiving the upstream transmission frequencies previously allocated to said remote control units in order to prevent radio interference and selectively receive the communication data from each of said remote control units.
Claim 22
Dependent Claim
51 words
A subscriber terminal apparatus according to claim 21, characterized in that said terminal-side two-way communication means further contains means for communicating with a subscriber database managing unit in the center facilities and means for responding only to the upstream frequency from said remote control unit specified by said subscriber database unit.
Claim 23
Dependent Claim
43 words
A subscriber terminal apparatus according to claim 21, characterized in that said terminal-side two-way communication means contains means for changing the contents of the output so as to correspond to the upstream transmission frequencies for said remote control units on a one-to-one basis.
Claim 24
Dependent Claim
38 words
A subscriber terminal apparatus according to claim 17, characterized in that said terminal-side two-way communication means contains terminal-side two-way communication means capable of two-way communication with remote control unit-side two-way communication means provided in said remote control unit.
Claim 25
Dependent Claim
35 words
A subscriber terminal apparatus according to claim 24, characterized in that said terminal-side two-way communication means contains a downstream transmission frequency changing function capable of changing the downstream transmission frequency for each remote control unit.
Claim 26
Dependent Claim
54 words
A subscriber terminal apparatus according to claim 25, characterized in that said terminal-side two-way communication means contains means for communicating with a subscriber database unit in the center facilities, and said downstream transmission frequency changing function changes the downstream transmission frequency for said remote control unit according to the instruction from said subscriber database.
Claim 27
Dependent Claim
85 words
A communication system for a CATV system according to claim 2, characterized in that in order to enable said subscriber terminal unit to obtain various information services offered by said center facilities at will, said subscriber terminal unit is provided with a common bus (511) to which a plurality of function blocks can be connected in common, thereby enabling the addition and removal of said function blocks to and from said common bus according to the selection of information services transmitted from said center facilities.
Claim 28
Dependent Claim
25 words
A communication system for a CATV system according to claim 27, characterized in that said common bus has a plurality of logical slots set thereon.
Claim 29
Dependent Claim
57 words
A communication system for a CATV system according to claim 27, characterized in that the number of said subscriber terminal units is more than one, and said subscriber database unit manages the number of said function blocks in each subscriber terminal unit, their functions, and data for the function blocks in each of said subscriber terminal units.
Claim 30
Dependent Claim
85 words
A communication system for a CATV system according to claim 29, characterized in that in order to run a diagnostic check on said subscriber terminal units, said subscriber database unit transfers the data for the function blocks in each of said subscriber terminal units via said two-way transmission lines to each of said subscriber terminal units, and compares the sense result transferred back via said two-way transmission line from abnormality sensing means in each of said subscriber terminal units with reference data to make self-diagnosis.
Claim 31
Dependent Claim
87 words
A subscriber terminal unit connected to a CATV system, comprising: a common bus to which a plurality of information services transmitted from center facilities are supplied in common; a function block for processing one of the information services that is desired by the subscriber; and a plurality of block connecting sections which are provided on said common bus, can connect and disconnect said function blocks, and are capable of adding, removing, and changing said function blocks according to the number of information services that the subscriber wants.
Claim 32
Dependent Claim
29 words
A subscriber terminal unit according to claim 31, characterized by further comprising means for time-dividing said common bus according to the slots on the bus and monitoring the bus.
Claim 33
Dependent Claim
34 words
A subscriber terminal unit according to claim 31, characterized in that said common bus is provided with structure means for giving an information plane and a control plane simultaneously according to the bit position.
Claim 34
Dependent Claim
36 words
A subscriber terminal unit according to claim 32, characterized by further comprising means for modifying said function block that takes in a specific slot on said time-division monitored common bus, into another function block as desired.
Claim 35
Dependent Claim
27 words
A subscriber terminal unit according to claim 31, characterized by further comprising means for setting the management address according to the installation position of said function block.
Claim 36
Dependent Claim
69 words
A subscriber terminal unit according to claim 31, characterized in that further comprising: means for two-way communication with a subscriber management database unit in the center facilities; and means for making self-diagnosis by comparing specification data for each of said function blocks to be connected to said common bus from said subscriber management database, arriving over said two-way transmission line, with the output result from internal abnormality sensing means.
Claim 37
Dependent Claim
75 words
A communication system for a CATV system according to claim 2, characterized in that the terminal-side two-way communication means of said subscriber terminal unit is connected to the expansion unit-side two-way communication means of an expansion unit via a coaxial cable, said expansion unit is further connected to a different apparatus via the two-way communication means of the different apparatus, and said different apparatus is connected to said subscriber terminal unit via said expansion unit.
Claim 38
Dependent Claim
59 words
A communication system for a CATV system according to claim 37, characterized in that said subscriber terminal unit is provided with data format conversion means for the different apparatus connected to the output of said information reception means or the output of video/audio signal generating means, thereby transmitting a television signal to said different apparatus via said expansion unit.
Claim 39
Dependent Claim
85 words
A subscriber terminal apparatus connected to a CATV system, characterized in that terminal-side two-way communication means (521, 541) is connected to expansion unit-side two-way communication means in an expansion unit (604) via a coaxial cable, said expansion unit is provided with different-apparatus two-way communication means for communicating with a different apparatus, and there is provided means for transferring the downstream data to said different apparatus or receiving the upstream data from said different apparatus via said terminal-side, expansion unit-side, and different apparatus-side two-way communication means.
Claim 40
Dependent Claim
18 words
A subscriber terminal apparatus according to claim 39, characterized in that said different apparatus is a facsimile machine.
Claim 41
Dependent Claim
43 words
A subscriber terminal apparatus according to claim 39, characterized by further comprising: means for converting the upstream data from said different apparatus into a television video signal or a television audio signal; and means for supplying the converted signal to a television set.
Claim 42
Dependent Claim
59 words
A communication system for a CATV system according to claim 37, characterized in that said subscriber terminal unit is provided with data format conversion means (513) for the upstream data transmitted from said different apparatus, and the video/audio information converted at the conversion means is transferred to the television set in the subscriber's house or to the center facilities.
Claim 43
Dependent Claim
36 words
A subscriber terminal apparatus according to claim 39, characterized by further comprising means for transferring the upstream data from said different apparatus to said center facilities via two-way communication means between itself and said center facilities.
Claim 44
Dependent Claim
32 words
A subscriber terminal apparatus according to claim 39, characterized by further comprising means for transferring the downstream data received via the two-way communication means for the center facilities to said different apparatus.
Claim 45
Dependent Claim
34 words
A communication system for a CATV system according to claim 42, characterized in that the video/audio data from said different apparatus transferred to said center facilities is transferred again to another subscriber terminal unit.
Claim 46
Dependent Claim
77 words
A subscriber terminal apparatus connected to a CATV system, comprising: tuning means for television signals, remodulation means (902 to 904) for the tuned television signal, the output section of which is connected to an expansion unit (630) containing jamming removal means for said television signal via a coaxial cable, jamming signal generating means for the output of said remodulation means, and control means (853) for effecting on/off control of jamming removal operation of said jamming removal means.
Claim 47
Dependent Claim
113 words
A remote control system containing a remote control unit (601A) and a remote control information management unit (521A) separately, wherein said remote control unit senses indication data representing at least three directions or movements in three direction of x, y, and z perpendicular to each other proportional to the operation input, modulates electromagnetic waves or infrared rays on the basis of the sensed indication data, and radiates and transmits the modulated signal, to said remote control information management unit, and said remote control information unit, which is located between said remote control unit and a plurality of remote control apparatuses, generates remote control codes for controlling the functions of said remote control apparatuses.
Claim 48
Dependent Claim
77 words
A remote control system according to claim 47, characterized in that in order to sense said three directions of x, y, and z, part of a ball (651) elastically rotatably supported in a hole in an enclosure is allowed to stick out, and the x and y directions are sensed by rollers (652 to 654) interlocked with the rotation of the ball and the z direction is sensed from the change of the position of the ball.
Claim 49
Dependent Claim
139 words
A remote control system according to claim 47, characterized in that in said remote control information management unit, program information reception means (552, 554) receives a plurality of pieces of program information arrived at the input terminal and first transmission means (556, 557) transmits the received program information at the output terminal through at least one transmission channel, reception means (572, 573) receives said electromagnetic waves or infrared rays acting as a first modulated wave from said remote control unit, signal processing means (557, 580, 581) generates said remote control code corresponding to said indication data from said remote control unit received at said reception means, and second transmission means (584, 585) radiates electromagnetic waves or infrared rays acting as a second modulated wave modulated on the basis of said remote control code obtained from said signal processing means.
Claim 50
Dependent Claim
53 words
A remote control system according to claim 48, characterized in that said remote control unit receives said second modulated wave from said transmission means, extracts said remote control code from the receive signal, radiates electromagnetic waves or infrared rays acting as a third modulated wave modulated on the basis said remote control apparatus.
Claim 51
Dependent Claim
149 words
A remote control system comprising: a remote control unit (601) which contains a data generating section for generating indication data by operation and transmits electromagnetic waves or infrared rays acting as a first modulated wave modulated on the basis of the indication data from said data generating section, the start code, and its own unit identification code; program information reception means (552, 554) for receiving a plurality of pieces of program information arrived at the input terminal; transmission means (556, 557) for transmitting the program signal received at said program information reception means at the output terminal through at least one transmission channel; and remote control reception and processing means (570) for receiving said first modulated wave from said remote control unit, processing said indication data, and generating a remote control code for controlling the function of a remote control apparatus on the basis of said received indication data.
Claim 52
Dependent Claim
30 words
A remote control system according to claim 51, characterized in that the frequency of said first modulated wave is set outside a transmission band for the information including television programs.
Claim 53
Dependent Claim
61 words
A remote control system according to claim 51, characterized in that said remote control reception and processing means contains first memory means (577) for storing the RCU identification code of said remote control unit, and second memory means (580, 581) for storing a remote control code for controlling the function of the remote control apparatus corresponding to said RCU identification code.
Claim 54
Dependent Claim
156 words
A remote control system according to claim 51, characterized in that the number of said remote control units is more than one, and said remote control reception and processing means contains first memory means for storing the RCU identification code for each of said remote control units, second memory means for storing the maker identification code for the remote control apparatus corresponding to said RCU identification code, the model code, and the remote control code, and means for reading an active remote control code from said second memory means on the basis of the RCU identification code read from the first memory means according to the apparatus control request from the active remote control unit, and radiating electromagnetic wave or infrared rays acting as a second modulated wave modulated on the basis of said active remote control code in order to control the function of the remote control apparatus corresponding to said active remote control code.
Claim 55
Dependent Claim
66 words
A remote control system according to claim 51, characterized in that said second modulated wave from said remote control reception and processing means is received by said active remote control unit, and said active remote control unit radiates electromagnetic waves or infrared rays acting as a third modulated wave modulated on the basis of the received information to control the function of said remote control apparatus.
Claim 56
Dependent Claim
39 words
A remote control system according to claim 51, characterized in that the indication data obtained from said data generating section is the indication data from a plurality of keypads or at least directional movement indication data in two directions.
Claim 57
Dependent Claim
32 words
A remote control system according to claim 51, characterized in that said first modulated wave outputted from said remote control unit further contains the maker identification code and the apparatus control code.
Claim 58
Dependent Claim
33 words
A remote control system according to claim 51, characterized in that electromagnetic waves are used as a signal transmission medium between said remote control unit and said remote control reception and processing means.
Claim 59
Dependent Claim
99 words
A remote control system according to claim 50, characterized in that said remote control reception and processing means contains means for generating said remote control code for controlling said remote control apparatus and transmitting electromagnetic waves or infrared rays acting as a second modulated wave modulated on the basis of said remote control code, and said remote control unit contains means for receiving said second modulated wave, demodulating said remote control code, and retransmitting electromagnetic waves or infrared rays acting as a third modulated wave modulated on the basis of said remote control code to said remote control apparatus.
Claim 60
Dependent Claim
33 words
A remote control system according to claim 54, characterized in that said remote control reception and processing means contains updating means for updating the information stored in said first or second memory means.
Claim 61
Dependent Claim
86 words
A remote control system according to claim 54, characterized in that said remote control reception and processing means contains updating means for updating the information stored in said first or second memory means and means for transmitting the updated information at said updating means to said remote control unit by said second modulated wave, and said active remote control unit contains means for receiving said second modulated wave and demodulating the updated information at said updating means and third memory means for storing said demodulated information.
Claim 62
Dependent Claim
57 words
A remote control system according to claim 54, characterized in that said remote control reception and processing means contains means for transmitting the main start code for the remote control code for each remote control unit and a sub-start code accompanying said remote control code in transmitting the respective remote control codes to said remote control units.
Claim 63
Dependent Claim
26 words
A remote control system according to claim 54, characterized in that said remote control unit contains infrared modulation means enabling more than one infrared modulation form.
Claim 64
Dependent Claim
44 words
A remote control system according to claim 60, characterized in that said remote control reception and processing means contains means for transmitting the updated information at said updating means to said output terminal in the form of a video signal through said transmission channel.
Claim 65
Dependent Claim
41 words
A remote control system according to claim 60, characterized in that said active remote control unit contains means for receiving said second modulated wave and demodulating the updated information at said updating means, and display means for displaying the demodulated information.
Claim 66
Dependent Claim
158 words
A remote control system, wherein the center side (100, 200) comprises a plurality of information sources including television programs, remote control code storage means for storing remote control codes, and means for transmitting the program signals from said information sources and said remote control code read from said remote control code storage means, and the terminal side (500) comprises program information reception means (552, 554) for receiving said program signal and said remote control code from said information sources and said remote control code storage means arrived at the input terminal, transmission means (556, 557) for transmitting the program signal received at said program information reception means through at least one transmission channel to the output terminal, and remote control reception and processing means (570) for receiving a first modulated wave from a remote control unit, processing the indication data, and generating said remote control code received so as to control the function of said remote control apparatus.
Claim 67
Dependent Claim
45 words
A remote control system according to claim 66, characterized in that said remote control reception and processing means contains first request transmission means for requesting said remote control code from said remote control code storage means for storing remote control codes on said center side.
Claim 68
Dependent Claim
114 words
A remote control system according to claim 67, characterized in that said remote control unit contains a remote control code memory section for storing said remote control codes and second request transmission means for outputting a request signal for requesting said remote control code to said remote control reception and processing means, and said remote control reception and processing means contains means for requesting said remote control code from said remote control code storage means for storing remote control codes on said center side on reception of said request signal from said remote control unit, and retransmitting said remote control code sent from said remote control code storage means to said remote control unit.
Claim 69
Dependent Claim
100 words
A remote control system according to claim 67, characterized in that said remote control unit contains second request transmission means for outputting a request signal for requesting said service signal to said remote control reception and processing means, and said remote control reception and processing means contains means for requesting said remote control code via said first request transmission means from said remote control code storage means for storing remote control codes on said center side on reception of said request signal from remote control unit, and storing said remote control code sent form said remote control code storage means.
Claim 70
Dependent Claim
92 words
A remote control system according to claim 67, characterized in that said information source on said center side contains a menu image generator for generating a menu image signal indicating the initial setting procedure, and transmits said menu image signal when a request signal is transmitted via said first request transmission means from said remote control reception and processing means, and said remote control reception and processing means receives said menu image signal and supplies the received menu image signal through said channel to a television set connected to said output terminal.
Claim 71
Dependent Claim
95 words
A remote control system according to claim 67, characterized in that said information source on said center side contains a menu data generator for generating the initial setting menu data, and transmits said menu data when a request signal is transmitted via said first request transmission means from said remote control reception and processing means, and said remote control reception and processing means contains means for receiving said menu data and visualizing the received menu data, and supplies the visualized menu image signal through sad channel to a television set connected to said output terminal.
Claim 72
Dependent Claim
206 words
A remote control system according to claim 67, characterized in that said remote control unit contains a remote control code memory section for storing said remote control codes and second request transmission means for outputting a request signal for requesting said remote control code to said remote control reception and processing section, the information source on said center side further contains a menu image generator for generating a menu image signal indicating the initial setting procedure and means for transmitting said remote control code and said menu image signal when a request signal is transmitted via said first request transmission means from said remote control reception and processing means, and said remote control reception and processing means contains means for outputting a request signal via said first request transmission means to said center side on reception of said request signal via said second request transmission means from said remote control unit, receiving said menu image signal transmitted in response to the request signal, and supplying the received menu signal through said channel to a television set connected to said output terminal, and request signal processing and memory means for retransmitting said remote control code arrived to said remote control unit or storing said remote control unit.
Claim 73
Dependent Claim
196 words
A remote control system according to claim 67, characterized in that said remote control unit contains second request transmission means for outputting a request signal for requesting said service signal to said remote control reception and processing section, the information source on said center side further contains a menu data generator for generating menu data indicating the initial setting procedure and means for transmitting said remote control code and said menu data when a request signal is transmitted via said first request transmission means from said remote control reception and processing means, and said remote control reception and processing means contains means for outputting a request signal via said first request transmission means to said center side on reception of said request signal via said second request transmission means from said remote control unit, receiving said menu data transmitted in response to the request signal, and visualizing the received menu data, means for supplying the visualized menu image signal through said channel to a television set connected to said output terminal, and request signal processing and memory means for retransmitting said remote control code arrived to said remote control unit or storing said remote control unit.
Claim 74
Dependent Claim
213 words
A remote control system comprising: a first remote control unit which contains a UHF-band two-way communication function and radiates the remote control code taken in via said two-way communication function toward first remote control apparatus by an infrared modulation method; a second remote control unit which contains a UHF-band two-way communication function and radiates the remote control code taken in via said two-way communication function toward second remote control apparatus by an infrared modulation method; and a terminal unit which contains the function of effecting two-way communication with said first and second remote control units, means for transmitting a display signal via cables to each of said first and second remote control apparatuses, and memory means for storing the remote control codes for said first and second remote control apparatuses, wherein said first remote control unit transmits a menu screen request signal to said terminal unit, and said terminal unit, responding to this, causes said menu screen to be displayed on said first remote control apparatus, and specifies an operational function of said second remote control apparatus on said first remote control unit according to the instructions displayed on the menu screen, whereby said terminal transmits the remote control code for said second remote control unit to control said second remote control apparatus.
Claim 75
Dependent Claim
115 words
A remote control system according to claim 74, characterized in that said first remote control unit and first remote control apparatus are located in a first room, said second remote control unit and second remote control apparatus are located in a second room, said menu screen is a select screen for the messages to be displayed on said second remote control apparatus, said second remote control code is a remote control code for turning on the power supply of said second remote control apparatus and switching to a specific channel, and the display signal transmitted via said cable to said second remote control apparatus is an image signal corresponding to the contents of said message.
References Cited (Backward Citations)
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