Patents for H04M 1 - Substation equipment, e.g. for use by subscribers (168,223) |
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08/19/1993 | CA2127270A1 Method and apparatus for optimum channel assignment |
08/18/1993 | EP0555233A1 Greeting card with electronic sound recording. |
08/18/1993 | CN2140592Y Telephone volume compression or expansion arrangement |
08/18/1993 | CN2140591Y Wired transceiver |
08/18/1993 | CN1075389A Method and apparatus for optimum channel assignment |
08/17/1993 | US5237608 Telephone station having a housing with electrostatic protection |
08/17/1993 | US5237607 Lighted telephone dial |
08/17/1993 | US5237605 Adjunct interface apparatus for a telephone set |
08/17/1993 | US5237603 Cordless telephone which intermittently monitors predetermined channels from all available channels |
08/17/1993 | US5237602 Remotely-activated telephone system for communication with the disabled |
08/17/1993 | CA2007247C Mounting plate for telecommunications wall outlet |
08/17/1993 | CA1321425C Method and apparatus for synthesizing speech from speech recognition templates |
08/12/1993 | DE4300848A1 Car telephone system connected to car radio - transmits telephone signals to car radio for replay over loudspeaker and display on radio display |
08/12/1993 | DE4203537A1 Cordless telephone with reduced interference - uses same personal code for both base and mobile stations transmitting code simultaneously |
08/11/1993 | EP0555150A2 Data communication apparatus having an auto-calling function |
08/11/1993 | EP0554625A1 Cordless telephone arrangement |
08/11/1993 | EP0554571A1 A two-handset cordless telephone |
08/11/1993 | EP0554349A1 Carry case assembly for a portable electrical device |
08/11/1993 | EP0554293A1 Improved call set-up and spectrum sharing in radio communication on systems with dynamic channel allocation. |
08/11/1993 | CN2140117Y Multifunction automatic adapter for telephone with same-line |
08/11/1993 | CN2140116Y Automatic respose apparatus for telephone |
08/10/1993 | US5235638 Telephone network interface |
08/10/1993 | US5235637 Voice communication link interface |
08/10/1993 | US5235636 Portable telephone set housing having an illuminated switch panel |
08/10/1993 | US5235635 Keypad monitor with keypad activity-based activation |
08/10/1993 | US5235492 Electromagnetic shielding apparatus for cellular telephones |
08/10/1993 | US5234744 Illuminated button key |
08/10/1993 | CA1321252C Side-tone adjusting system and method for key telephone system establishing plural kinds of speaking paths |
08/10/1993 | CA1321239C Animated data display interleaving |
08/05/1993 | DE4202670A1 Telephone exchange operable by visually handicapped person - has personal computer interfaced to enlarged-display monitor and Braille terminal with loudspeaker facility |
08/05/1993 | DE4202383A1 Hand-held transceiver, e.g. cordless telephone - has electronic circuitry enclosed in banana-shaped frame which supports sliding housings of microphone and earphone |
08/04/1993 | EP0554196A1 Telephone line current modulator |
08/04/1993 | EP0554192A1 Power regulator for the loudspeaker of a telephone unit |
08/04/1993 | EP0554180A2 Message sending method and apparatus |
08/04/1993 | EP0553862A2 Portable electronic device having a radio transmit-receive unit and a computer unit |
08/04/1993 | EP0553810A1 Vehicle mounted adaptor for a portable radio transceiver |
08/04/1993 | EP0553771A2 Cordless telephone |
08/04/1993 | EP0553497A2 Frequency down conversion for a two-handset cordless telephone system using offset intermediate frequencies |
08/04/1993 | EP0553487A1 Method for facilitating the operation of telecommunication systems terminals |
08/04/1993 | CN2139760Y Telephone set with double-faced dial |
08/04/1993 | CN2139759Y Electronic puzzle lock for push phone |
08/04/1993 | CN1075041A Automatic remote-controlled remote-display program-controlled telephone with artificial intelligence |
08/04/1993 | CN1075036A Offset down conversion for a two-handset cordless telephone system |
08/03/1993 | US5233650 Telephone support device |
08/03/1993 | US5233649 Telephone ringing module |
08/03/1993 | US5233646 Telephone-operated stereo shut-off device |
08/03/1993 | US5233645 Automatic power breaking circuits for communication equipments |
08/03/1993 | US5233644 Cordless telephone with actuation of off-hook condition by operation of dial key |
08/03/1993 | US5233506 Fastener for housing assembly |
08/03/1993 | CA1321008C Telephone handsets |
08/03/1993 | CA1321002C Phone management server for use with a personal computer lan |
07/29/1993 | DE4300705A1 Portable telephone with conducting plate under antenna - has high signal=to=noise ratio due to prevention of interference signal with pseudo-ground-plane |
07/29/1993 | DE4202041A1 Simplification of servicing telecommunication end device - using key to selectively trigger function or display function depending on actuation of key |
07/29/1993 | DE4202040A1 Simplifying servicing of telecommunication terminal devices - displaying possible characteristics for servicing in each state of end device by operation of keyboard button |
07/28/1993 | EP0552834A1 Height adjustment of a telecommunication terminal |
07/28/1993 | EP0552733A2 Telephone apparatus with automatic dialling and a display mode function |
07/28/1993 | CN2139331Y Multifunctional intelligent tester for telephone noise |
07/28/1993 | CN2139330Y Circulator for movable telephone |
07/27/1993 | US5231659 Telephone handset with transducer assembly |
07/27/1993 | US5231658 Telephone privacy device |
07/27/1993 | US5231657 Cordless telephone system that releases hold state of handset after intrusion by another party is detected |
07/27/1993 | US5230481 Cord take-up device |
07/27/1993 | CA1320771C Communication apparatus utilizing a telephone line |
07/26/1993 | CA2087925A1 Method of facilitating the operation of terminals in telecommunications systems |
07/23/1993 | CA2059866A1 Telephone base member and base support member combinations |
07/23/1993 | CA2059859A1 Weighted telephone base |
07/22/1993 | WO1993014589A1 An electronic apparatus having keyless control |
07/22/1993 | WO1993014572A1 Method and apparatus for broken link detect using audio energy level |
07/21/1993 | EP0552005A1 Method and apparatus for noise burst detection in a signal processor |
07/21/1993 | CN2138863Y Controller for the same talking path used by inside telephone and outside telephone |
07/21/1993 | CN2138862Y Enciphered telephone |
07/21/1993 | CN2138861Y Enciphered device of telephone wire |
07/21/1993 | CN2138860Y Automatic sterilization telephone |
07/21/1993 | CN1074571A Communication system link re-establishment protocol |
07/21/1993 | CN1074570A Method and apparatus for noise burst detection in a signal processor |
07/21/1993 | CN1021691C Communications device with voice recognition and movable element control interface |
07/20/1993 | US5230023 Method and system for controlling an external machine by a voice command |
07/20/1993 | US5229721 Micropower amplifier/transducer driver with signal expansion |
07/20/1993 | US5228279 Tray for fruit harvesting system |
07/20/1993 | CA1320603C Communication terminal device |
07/14/1993 | EP0550912A2 Use of a voltage controlled crystal oscillator in the base unit of a two-handset cordless telephone system |
07/14/1993 | EP0550805A2 Identification pairing device for a radio equipment comprising several pieces of apparatus |
07/14/1993 | EP0550554A1 Circuit protection device. |
07/14/1993 | CN1021613C Pronunciation treatmentor with antinoise and process for antinoise |
07/13/1993 | US5228092 Voice transducer |
07/13/1993 | US5228080 Method and apparatus for processing an incoming telephone call signal which may include a data message |
07/13/1993 | US5228079 Method and apparatus for pulse/tone detection and selection |
07/13/1993 | US5228078 Two-wire intercom with hands-free function |
07/13/1993 | US5228075 Telephone capable of selectively accepting callers and enabling partial recognition of callers |
07/13/1993 | US5228073 Call identification display system |
07/13/1993 | US5228026 Technique for time-division duplex cordless telecommunication |
07/13/1993 | US5227956 Spring mounting of multi-layered electronic assemblies |
07/13/1993 | CA1320293C Repertory telephone dialer with remote billing capability |
07/13/1993 | CA1320291C Remote testing of metallic loops with a trans hybrid signal |
07/10/1993 | WO1993014611A1 Improved audio distribution system |
07/10/1993 | CA2105059A1 Audio distribution system |
07/08/1993 | WO1993013604A1 Cellular phone battery packs with and without integral microphone |
07/08/1993 | WO1993013518A1 Voice controlled messaging system and processing method |
07/08/1993 | WO1993002430A3 Electronic travel pass |
07/07/1993 | EP0550179A2 Redirection of calls by a communication terminal |