Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
169 words
A television receiver operable in a plurality of modes of operation including reproducing signals from different video and audio sources, the television receiver comprising: display means for displaying a plurality of set items for setting by a user of the television receiver on a portion of a display screen on which a picture is displayed to the user, in which the items correspond to the modes of operation and in which the items for setting include inhibited items; setting means connected to the display means for setting the set items displayed by the display means and for determining set values thereof; and control means connected to the display means and to the setting means for controlling the display means for indicating on the display screen when at least one previously set item is inhibited from selection when a present mode of operation is changed to a new mode of operation, and for returning the inhibited set item to a condition prior to the setting made by the setting means.
Claim 2
Dependent Claim
17 words
The television receiver according to claim 1, wherein said plurality of set items includes a main menu.
Claim 3
Dependent Claim
81 words
The television receiver according to claim 2, wherein each of the set items of the main menu corresponds to a sub-menu of a plurality of set items for setting by the setting means and upon selecting predetermined ones of the plurality of set items of the sub-menu the control means controls the display means to display other predetermined ones of the set items of the sub-menu with a reduced brightness less than a brightness used for displaying a selected set item.
Claim 4
Dependent Claim
74 words
The television receiver according to claim 3, wherein the display means comprises: a display microcomputer producing outputs corresponding to a red signal, a green signal, a blue signal, and a two-state control signal; and a resistor network converted to the outputs of the display microcomputer for lowering a signal level of selected ones of the red, green, and blue signals in response to a state of the two-state signal, thereby providing the reduced brightness.
Claim 5
Dependent Claim
81 words
The television receiver according to claim 4, wherein the display means further comprises: a RGB switch receiving the red, green, and blue signals produced by the display microcomputer after being passed through the resistor network and for switching signals corresponding to the main menu and the sub menu in response thereto; a video processing circuit for processing signals output from the RGB switch; and a cathode ray tube providing the display screen for displaying processed signals from the video processing circuit.
Claim 6
Dependent Claim
42 words
The television receiver according to any one of claims 1 to 5, further comprising signal bus means connecting the display means and the setting means, and in which the control means comprises a system microcomputer also connected to the signal bus means.
Claim 7
Dependent Claim
58 words
The television receiver according to claim 6, further comprising a memory connected to the signal bus means for storing data corresponding to the inhibited items and in which the system microcomputer reads the data stored in the memory and controls the display means to display the inhibited items with a reduced brightness relative to a full display brightness.
Claim 8
Dependent Claim
58 words
A television receiver according to any one of the preceding claims wherein said setting means comprises a remote control unit having a plurality of manually actuatable keys for controlling movement of a cursor displayed by the display means on the display screen with set items of the main menu for selecting one of the set items for setting.