Nokia Bell Labs
Nokia BellActive Patents
0
Total Holdings
153
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US5353335A | Multilingual prepaid telephone system | Expired / Lapsed | 1992-08-03 | 1994-10-04 | 41 | Details |
| US5337353A | Capacitive proximity sensors | Expired / Lapsed | 1992-04-01 | 1994-08-09 | 10 | Details |
| US5333185A | System for processing calling party information for interna… | Expired / Lapsed | 1991-06-03 | 1994-07-26 | 17 | Details |
| US5313614A | Method and apparatus for direct conversion of programs in o… | Expired / Lapsed | 1988-12-06 | 1994-05-17 | 4 | Details |
| US5257397A | Mobile data telephone | Expired / Lapsed | 1990-08-13 | 1993-10-26 | 10 | Details |
| US5243644A | Telemetry access arrangement | Expired / Lapsed | 1992-08-31 | 1993-09-07 | 10 | Details |
| USD339113S | Portable computer enclosure | Expired / Lapsed | 1991-06-17 | 1993-09-07 | 1 | Details |
| US5229990A | N+K sparing in a telecommunications switching environment | Expired / Lapsed | 1990-10-03 | 1993-07-20 | 41 | Details |
| US5222122A | Payphone having master and slave modes | Expired / Lapsed | 1992-03-31 | 1993-06-22 | 27 | Details |
| US5212752A | Optical fiber ferrule connector having enhanced provisions … | Expired / Lapsed | 1992-05-27 | 1993-05-18 | 27 | Details |
| US5206901A | Method and apparatus for alerting multiple telephones for a… | Expired / Lapsed | 1991-12-23 | 1993-04-27 | 14 | Details |
| USD334568S | Portable telephone handset | Expired / Lapsed | 1991-09-12 | 1993-04-06 | 1 | Details |
| US5179609A | Optical assembly including fiber attachment | Expired / Lapsed | 1991-08-30 | 1993-01-12 | 26 | Details |
| US5157759A | Written language parser system | Expired / Lapsed | 1990-06-28 | 1992-10-20 | 29 | Details |
| US5136263A | Harmonic oscillator | Expired / Lapsed | 1991-06-24 | 1992-08-04 | 9 | Details |
| US5126007A | Method for etching a pattern in layer of gold | Expired / Lapsed | 1990-11-16 | 1992-06-30 | 9 | Details |
| US5120939A | Databaseless security system | Expired / Lapsed | 1989-11-09 | 1992-06-09 | 33 | Details |
| US5115430A | Fair access of multi-priority traffic to distributed-queue … | Expired / Lapsed | 1990-09-24 | 1992-05-19 | 29 | Details |
| US5113466A | Molded optical packaging arrangement | Expired / Lapsed | 1991-04-25 | 1992-05-12 | 29 | Details |
| US5113404A | Silicon-based optical subassembly | Expired / Lapsed | 1990-07-05 | 1992-05-12 | 26 | Details |
| US5103444A | Conference connection method in a multicast packet switchin… | Expired / Lapsed | 1990-04-12 | 1992-04-07 | 16 | Details |
| USD324515S | Computer display monitor stacking unit | Expired / Lapsed | 1989-08-31 | 1992-03-10 | 1 | Details |
| US5093920A | Programmable processing elements interconnected by a commun… | Expired / Lapsed | 1989-09-15 | 1992-03-03 | 7 | Details |
| USD323657S | Telephone station having a touch-screen display | Expired / Lapsed | 1991-04-08 | 1992-02-04 | 1 | Details |
| US5073003A | Optoelectronic device package method and apparatus | Expired / Lapsed | 1990-10-03 | 1991-12-17 | 14 | Details |
| USD321870S | Video telephone set | Expired / Lapsed | 1990-11-23 | 1991-11-26 | 1 | Details |
| US5048909A | Adiabatic reflection apparatus | Expired / Lapsed | 1990-07-27 | 1991-09-17 | 19 | Details |
| US5023902A | Radio channel unit message and control signal processing ar… | Expired / Lapsed | 1990-01-31 | 1991-06-11 | 8 | Details |
| US5014262A | Apparatus and method for detecting and eliminating call loo… | Expired / Lapsed | 1990-01-02 | 1991-05-07 | 25 | Details |
| US4995686A | Optical splitter/combiner with an adiabatic mixing region | Expired / Lapsed | 1989-12-22 | 1991-02-26 | 19 | Details |
| USD313233S | Telephone answering set | Expired / Lapsed | 1987-11-02 | 1990-12-25 | 1 | Details |
| US4977582A | Synchronization of non-continuous digital bit streams | Expired / Lapsed | 1988-03-31 | 1990-12-11 | 14 | Details |
| US4966433A | Device including a component in alignment with a substrate-… | Expired / Lapsed | 1989-08-23 | 1990-10-30 | 14 | Details |
| US4947425A | Echo measurement arrangement | Expired / Lapsed | 1989-10-27 | 1990-08-07 | 13 | Details |
| US4947413A | Resolution doubling lithography technique | Expired / Lapsed | 1988-07-26 | 1990-08-07 | 23 | Details |
| US4913508A | Passive optical device | Expired / Lapsed | 1988-09-30 | 1990-04-03 | 9 | Details |
| US4905231A | Multi-media virtual circuit | Expired / Lapsed | 1988-05-03 | 1990-02-27 | 25 | Details |
| US4898446A | Optical fiber connector | Expired / Lapsed | 1988-10-28 | 1990-02-06 | 10 | Details |
| US4899333A | Architecture of the control of a high performance packet sw… | Expired / Lapsed | 1988-03-31 | 1990-02-06 | 14 | Details |
| US4894583A | Display devices with yttrium orthosilicate phosphors | Expired / Lapsed | 1988-09-02 | 1990-01-16 | 5 | Details |
| US4880291A | Optical fiber connector and methods of making | Expired / Lapsed | 1988-02-04 | 1989-11-14 | 29 | Details |
| US4872736A | Connector assembly having a latching mechanism | Expired / Lapsed | 1988-04-19 | 1989-10-10 | 20 | Details |
| US4864824A | Thin film shape memory alloy and method for producing | Expired / Lapsed | 1988-10-31 | 1989-09-12 | 22 | Details |
| US4826272A | Means for coupling an optical fiber to an opto-electronic d… | Expired / Lapsed | 1987-08-27 | 1989-05-02 | 12 | Details |
| US4825354A | Method of file access in a distributed processing computer … | Expired / Lapsed | 1985-11-12 | 1989-04-25 | 15 | Details |
| US4819658A | Method and apparatus for measuring the temperature profile … | Expired / Lapsed | 1987-06-30 | 1989-04-11 | 27 | Details |
| US4812101A | Method and apparatus for continuous throughput in a vacuum … | Expired / Lapsed | 1987-04-27 | 1989-03-14 | 13 | Details |
| US4807222A | Cordless accessed high-speed high-capacity local area netwo… | Expired / Lapsed | 1986-08-25 | 1989-02-21 | 17 | Details |
| US4805166A | Switch path reservation arrangement | Expired / Lapsed | 1987-10-28 | 1989-02-14 | 35 | Details |
| US4805106A | Method of and arrangement for ordering of multiprocessor op… | Expired / Lapsed | 1987-07-09 | 1989-02-14 | 30 | Details |
| US4802220A | Method and apparatus for multi-channel communication securi… | Expired / Lapsed | 1985-03-20 | 1989-01-31 | 45 | Details |
| US4798322A | Card reader/writer station for use with a personal memory c… | Expired / Lapsed | 1986-04-28 | 1989-01-17 | 21 | Details |
| US4793683A | Optical fiber connector | Expired / Lapsed | 1986-05-08 | 1988-12-27 | 29 | Details |
| US4789994A | Adaptive equalizer using precursor error signal for converg… | Expired / Lapsed | 1987-08-12 | 1988-12-06 | 13 | Details |
| US4789983A | Wireless network for wideband indoor communications | Expired / Lapsed | 1987-03-05 | 1988-12-06 | 12 | Details |
| US4787706A | Duplex optical fiber connector | Expired / Lapsed | 1987-02-03 | 1988-11-29 | 41 | Details |
| US4785244A | Magneto-electric sensor device and sensing method using a s… | Expired / Lapsed | 1987-04-08 | 1988-11-15 | 12 | Details |
| US4779946A | Microminiature optical assembly | Expired / Lapsed | 1986-02-14 | 1988-10-25 | 10 | Details |
| US4764246A | Buried undercut mesa-like waveguide and method of making sa… | Expired / Lapsed | 1987-08-20 | 1988-08-16 | 12 | Details |
| US4763191A | Dial-up telephone network equipment for requesting an ident… | Expired / Lapsed | 1986-03-17 | 1988-08-09 | 65 | Details |
| US4762387A | Array connector for optical fibers | Expired / Lapsed | 1986-02-21 | 1988-08-09 | 26 | Details |
| US4761788A | Stripline mount for semiconductor lasers | Expired / Lapsed | 1985-10-28 | 1988-08-02 | 24 | Details |
| US4754185A | Micro-electrostatic motor | Expired / Lapsed | 1986-10-16 | 1988-06-28 | 18 | Details |
| US4748620A | Time stamp and packet virtual sequence numbering for recons… | Expired / Lapsed | 1986-02-28 | 1988-05-31 | 35 | Details |
| US4747130A | Resource allocation in distributed control systems | Expired / Lapsed | 1985-12-17 | 1988-05-24 | 28 | Details |
| US4745593A | Arrangement for testing packet switching networks | Expired / Lapsed | 1986-11-17 | 1988-05-17 | 31 | Details |
| USD295415S | Adjustable support for plasma display panel | Expired / Lapsed | 1985-11-15 | 1988-04-26 | 1 | Details |
| USD295411S | Combined voice and data terminal or similar article | Expired / Lapsed | 1985-03-15 | 1988-04-26 | 1 | Details |
| US4736293A | Interleaved set-associative memory | Expired / Lapsed | 1984-04-11 | 1988-04-05 | 30 | Details |
| US4730198A | Aligning arrays of optoelectronic devices to arrays of opti… | Expired / Lapsed | 1984-11-26 | 1988-03-08 | 15 | Details |
| US4723316A | Polarization independent coherent optical heterodyne receiv… | Expired / Lapsed | 1986-05-08 | 1988-02-02 | 6 | Details |
| US4723273A | Discretionary call forwarding | Expired / Lapsed | 1985-09-25 | 1988-02-02 | 86 | Details |
| US4710891A | Digital synthesis technique for pulses having predetermined… | Expired / Lapsed | 1983-07-27 | 1987-12-01 | 11 | Details |
| US4700541A | Shape memory alloy actuator | Expired / Lapsed | 1986-10-16 | 1987-10-20 | 20 | Details |
| US4698752A | Data base locking | Expired / Lapsed | 1986-04-29 | 1987-10-06 | 13 | Details |
| US4696000A | Nonblocking self-routing packet and circuit switching netwo… | Expired / Lapsed | 1985-12-12 | 1987-09-22 | 12 | Details |
| US4680084A | Interferometric methods and apparatus for device fabrication | Expired / Lapsed | 1984-08-21 | 1987-07-14 | 22 | Details |
| US4670837A | Electrical system having variable-frequency clock | Expired / Lapsed | 1984-06-25 | 1987-06-02 | 9 | Details |
| US4668880A | Chain logic scheme for programmed logic array | Expired / Lapsed | 1984-03-26 | 1987-05-26 | 12 | Details |
| USD289240S | Adjustable work table or similar article | Expired / Lapsed | 1984-09-21 | 1987-04-14 | 1 | Details |
| US4654820A | Interrupt bus structure | Expired / Lapsed | 1983-11-30 | 1987-03-31 | 2 | Details |
| US4651318A | Self-routing packets with stage address identifying fields | Expired / Lapsed | 1984-11-30 | 1987-03-17 | 18 | Details |
| US4643499A | Component mounting apparatus | Expired / Lapsed | 1985-09-04 | 1987-02-17 | 17 | Details |
| US4639914A | Wireless PBX/LAN system with optimum combining | Expired / Lapsed | 1984-12-06 | 1987-01-27 | 12 | Details |
| US4635263A | Soliton laser | Expired / Lapsed | 1986-04-10 | 1987-01-06 | 21 | Details |
| US4626066A | Optical coupling device utilizing a mirror and cantilevered… | Expired / Lapsed | 1983-12-30 | 1986-12-02 | 9 | Details |
| US4622672A | Self-stabilized semiconductor lasers | Expired / Lapsed | 1984-01-20 | 1986-11-11 | 13 | Details |
| US4614841A | Geographically distributed multiprocessor time-shared commu… | Expired / Lapsed | 1982-06-28 | 1986-09-30 | 24 | Details |
| US4611094A | Method for customer definable telephone capability | Expired / Lapsed | 1983-12-01 | 1986-09-09 | 30 | Details |
| USD285305S | Keyboard housing | Expired / Lapsed | 1984-05-04 | 1986-08-26 | 1 | Details |
| US4608697A | Spectral control arrangement for coupled cavity laser | Expired / Lapsed | 1983-06-16 | 1986-08-26 | 40 | Details |
| USD285073S | Telephone handset | Expired / Lapsed | 1984-04-09 | 1986-08-12 | 1 | Details |
| USD285076S | Video display terminal housing | Expired / Lapsed | 1984-04-05 | 1986-08-12 | 1 | Details |
| US4606069A | Apparatus and method for compression of facsimile informati… | Expired / Lapsed | 1983-06-10 | 1986-08-12 | 25 | Details |
| USRE32207E | Method for making integrated semiconductor circuit structur… | Expired / Lapsed | 1982-09-30 | 1986-07-15 | 4 | Details |
| US4594380A | Elastomeric controlled release formulation and article comp… | Expired / Lapsed | 1985-05-01 | 1986-06-10 | 18 | Details |
| US4589928A | Method of making semiconductor integrated circuits having b… | Expired / Lapsed | 1984-08-21 | 1986-05-20 | 15 | Details |
| US4588348A | Robotic system utilizing a tactile sensor array | Expired / Lapsed | 1983-05-27 | 1986-05-13 | 6 | Details |
| USH65H | Dynamic optical sensing: Robotic system and manufacturing m… | Expired / Lapsed | 1983-05-27 | 1986-05-06 | 21 | Details |
| USRE32124E | Predictive signal coding with partitioned quantization | Expired / Lapsed | 1984-10-12 | 1986-04-22 | 12 | Details |
| US4575845A | Time division multiplex conferencer | Expired / Lapsed | 1984-09-06 | 1986-03-11 | 6 | Details |
| US4565903A | Telephone interexchange carrier selection | Expired / Lapsed | 1983-08-03 | 1986-01-21 | 46 | Details |
| US4563774A | Address coded communication system | Expired / Lapsed | 1982-10-25 | 1986-01-07 | 9 | Details |
| US4562548A | Alarm limit recentering arrangement for maintaining uniform… | Expired / Lapsed | 1983-05-12 | 1985-12-31 | 8 | Details |
| US4556972A | Arrangement for routing data packets through a circuit swit… | Expired / Lapsed | 1983-12-27 | 1985-12-03 | 25 | Details |
| US4555594A | Telephone interexchange signaling protocol | Expired / Lapsed | 1983-08-03 | 1985-11-26 | 90 | Details |
| US4554530A | Method and apparatus for scanning a matrix of switchable el… | Expired / Lapsed | 1981-12-21 | 1985-11-19 | 8 | Details |
| USRE32012E | Spoken word controlled automatic dialer | Expired / Lapsed | 1984-09-07 | 1985-10-22 | 21 | Details |
| US4548883A | Correction of lithographic masks | Expired / Lapsed | 1983-05-31 | 1985-10-22 | 7 | Details |
| US4549308A | Secure mobile radio telephony | Expired / Lapsed | 1982-07-12 | 1985-10-22 | 10 | Details |
| US4545713A | Waveguide robot system for laser beam | Expired / Lapsed | 1983-11-10 | 1985-10-08 | 12 | Details |
| USD280896S | Portable transmitter | Expired / Lapsed | 1983-05-27 | 1985-10-08 | 1 | Details |
| US4544950A | Technique for the transmission of video and audio signals o… | Expired / Lapsed | 1984-01-03 | 1985-10-01 | 14 | Details |
| US4545043A | Announcement system message playback arrangement | Expired / Lapsed | 1982-05-21 | 1985-10-01 | 16 | Details |
| US4539554A | Analog integrated circuit pressure sensor | Expired / Lapsed | 1982-10-18 | 1985-09-03 | 6 | Details |
| US4535206A | Echo cancellation in two-wire full-duplex data transmission… | Expired / Lapsed | 1982-06-08 | 1985-08-13 | 30 | Details |
| US4526043A | Conformable tactile sensor | Expired / Lapsed | 1983-05-23 | 1985-07-02 | 8 | Details |
| USD279286S | Cable pedestal closure or similar article | Expired / Lapsed | 1982-11-08 | 1985-06-18 | 1 | Details |
| USD279185S | Stand for a telephone or similar article | Expired / Lapsed | 1982-10-25 | 1985-06-11 | 1 | Details |
| US4518934A | Optical bistable device | Expired / Lapsed | 1982-02-16 | 1985-05-21 | 6 | Details |
| USD278813S | Housing for a telephone stand or similar article | Expired / Lapsed | 1984-05-09 | 1985-05-14 | 1 | Details |
| US4515612A | Method for optical fiber fabrication including deuterium/hy… | Expired / Lapsed | 1983-02-25 | 1985-05-07 | 10 | Details |
| US4515429A | Nonlinear and bistable optical waveguide devices | Expired / Lapsed | 1980-05-27 | 1985-05-07 | 3 | Details |
| US4513412A | Time division adaptive retransmission technique for portabl… | Expired / Lapsed | 1983-04-25 | 1985-04-23 | 20 | Details |
| US4512627A | Optical fiber switch, electromagnetic actuating apparatus w… | Expired / Lapsed | 1982-12-13 | 1985-04-23 | 25 | Details |
| US4513281A | AC plasma panel shift with intensity control | Expired / Lapsed | 1982-04-05 | 1985-04-23 | 14 | Details |
| USD278056S | Telephone base | Expired / Lapsed | 1984-05-21 | 1985-03-19 | 1 | Details |
| US4504297A | Optical fiber preform manufacturing method | Expired / Lapsed | 1983-07-06 | 1985-03-12 | 10 | Details |
| US4500960A | Geographically distributed multiprocessor time-shared commu… | Expired / Lapsed | 1982-06-28 | 1985-02-19 | 8 | Details |
| US4497979A | Method for processing essential lines in a communication sy… | Expired / Lapsed | 1984-01-27 | 1985-02-05 | 9 | Details |
| US4495619A | Transmitter and receivers using resource sharing and coding… | Expired / Lapsed | 1984-02-13 | 1985-01-22 | 10 | Details |
| US4495648A | Transmitter power control circuit | Expired / Lapsed | 1982-12-27 | 1985-01-22 | 21 | Details |
| USD277282S | Conference telephone microphone control unit | Expired / Lapsed | 1982-03-17 | 1985-01-22 | 1 | Details |
| USD277002S | Telephone stand or similar keyboard article | Expired / Lapsed | 1984-01-24 | 1985-01-01 | 1 | Details |
| US4491945A | Fast packet switch | Expired / Lapsed | 1982-06-25 | 1985-01-01 | 68 | Details |
| US4488288A | End-to-end information memory arrangement in a line control… | Expired / Lapsed | 1982-06-25 | 1984-12-11 | 49 | Details |
| US4488243A | Dynamic time warping arrangement | Expired / Lapsed | 1982-05-03 | 1984-12-11 | 26 | Details |
| US4485440A | Central processor utilization monitor | Expired / Lapsed | 1984-02-13 | 1984-11-27 | 13 | Details |
| USD276431S | Housing for a desk telephone stand | Expired / Lapsed | 1983-01-05 | 1984-11-20 | 1 | Details |
| US4484187A | Video overlay system having interactive color addressing | Expired / Lapsed | 1982-06-25 | 1984-11-20 | 20 | Details |
| US4481583A | Method for distributing resources in a time-shared system | Expired / Lapsed | 1981-10-30 | 1984-11-06 | 9 | Details |
| USD276046S | Housing for a telephone | Expired / Lapsed | 1983-01-05 | 1984-10-23 | 1 | Details |
| US4479226A | Frequency-hopped single sideband mobile radio system | Expired / Lapsed | 1982-03-29 | 1984-10-23 | 16 | Details |
| US4475010A | High density cellular mobile radio communications | Expired / Lapsed | 1983-05-05 | 1984-10-02 | 33 | Details |
| US4475047A | Uninterruptible power supplies | Expired / Lapsed | 1982-04-29 | 1984-10-02 | 17 | Details |
| US4475192A | Data packet flow control scheme for switching networks | Expired / Lapsed | 1982-02-16 | 1984-10-02 | 11 | Details |
| USD275483S | Telephone stand | Expired / Lapsed | 1983-01-05 | 1984-09-11 | 1 | Details |
| USD275484S | Telephone handset | Expired / Lapsed | 1983-01-05 | 1984-09-11 | 1 | Details |
| USD275096S | Combined microphone and loudspeaker | Expired / Lapsed | 1982-03-17 | 1984-08-14 | 1 | Details |
| USD275006S | Telephone handset | Expired / Lapsed | 1983-01-05 | 1984-08-07 | 1 | Details |
| USD275004S | Telephone handset | Expired / Lapsed | 1983-01-05 | 1984-08-07 | 1 | Details |
| USD274247S | Combined telephone stand and clock radio or similar article | Expired / Lapsed | 1983-01-05 | 1984-06-12 | 1 | Details |
| US4261638A | Optical switch with rotating, reflective, concave surface | Expired / Lapsed | 1978-10-02 | 1981-04-14 | 31 | Details |