Patents for H04M 1 - Substation equipment, e.g. for use by subscribers (168,223) |
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11/14/1995 | US5467371 Arrangement for generating pulse code modulation values |
11/14/1995 | CA2148179A1 Cordless modem system having multiple base and remote stations which are interusable and secure |
11/14/1995 | CA1337573E Device to Provide an Individual Telephone Number for a Facsimile Terminal on a Shared Telephone Line Based on Coded Ringing |
11/13/1995 | CA2149204A1 Portable electronic device with improved method of supplying current to different load circuits |
11/09/1995 | WO1995030298A1 Telecommunications line test system |
11/09/1995 | WO1995030297A2 Telephone break-in security unit |
11/09/1995 | WO1995030296A1 Speaking/answering device for telephone communication |
11/09/1995 | WO1995030200A1 Temperature management for integrated circuits |
11/08/1995 | EP0681410A2 Single diaphragm second order differential microphone assembly |
11/08/1995 | EP0681393A1 Device for telecommunication |
11/08/1995 | EP0681391A1 An on hook/off hook mechanism for a wrist telephone |
11/08/1995 | EP0681390A1 A sound port for a wrist telephone |
11/08/1995 | EP0681389A2 Telephone line interface circuit |
11/08/1995 | EP0681388A2 Telephone line interface circuit |
11/08/1995 | EP0681380A1 Frequency inversion scrambler with integrated high-pass filter |
11/08/1995 | EP0681258A1 Arrangement in particular for telecommunications, combining a device and a memory- and/or-logic-card, corresponding device and card |
11/08/1995 | EP0680673A1 A telecommunication system, and a first station, a second station, and a transceiver for use in such a system |
11/08/1995 | EP0680666A1 Gel filled modular electrical connecting block |
11/08/1995 | CN2212291Y Telephone capable of automatic cipher dialing |
11/08/1995 | CN2212290Y Computer users speech path fault detector |
11/08/1995 | CN2212289Y 电话控制器 Telephone controller |
11/08/1995 | CN2212288Y Protector for proofing telephone unauthorized connection |
11/08/1995 | CN2212287Y Telephone set protector |
11/08/1995 | CN1111426A Automatic instantaneous cleaning and sterilizing article for telephone set |
11/08/1995 | CN1111421A Method and apparatus for moise burst detection in a signal processor |
11/07/1995 | US5465401 Communication system and methods for enhanced information transfer |
11/07/1995 | US5465298 Solid state isolation device using opto-isolators |
11/07/1995 | US5465296 Remotely programmable, vandal-resistant voice communications unit |
11/07/1995 | US5465292 Trading telephone |
11/07/1995 | US5465290 Confirming identity of telephone caller |
11/07/1995 | US5465287 In a telephone system |
11/07/1995 | US5465090 Key pad shielding device and method |
11/07/1995 | CA2056292C Sound volume controlling apparatus |
11/07/1995 | CA2053670C Mobile radio communication system having mobile base and portable devices as a mobile station |
11/03/1995 | CA2143034A1 Method and apparatus for selective connection to telephone line or radiotelephone |
11/02/1995 | WO1995029576A2 Data/voice/fax advanced priority statistical multiplexer |
11/02/1995 | WO1995029571A2 Apparatus including a sound transducer |
11/02/1995 | WO1995029566A1 Wireless communication system |
11/02/1995 | WO1995029565A1 Method and apparatus for rf linking to private branch exchange connecting local subscribers |
11/02/1995 | WO1995029552A1 Airplane telephone |
11/02/1995 | EP0680230A1 Fixed cellular terminal |
11/02/1995 | EP0680189A2 User programmable configuration of a telephone |
11/02/1995 | EP0680188A2 Cordless telephone adapted for use with a corded digital telephone |
11/02/1995 | EP0680171A2 Low power security mode for a cellular telephone |
11/02/1995 | EP0680155A1 Transceiver module and handset |
11/02/1995 | EP0680152A2 Dynamic compression-rate selection arrangement |
11/02/1995 | EP0680015A1 Pixel feeding device of an operator sequence of a mobile image compression circuit |
11/02/1995 | EP0679310A1 Telephone line jack connector |
11/02/1995 | DE4413974A1 Emergency call system, esp. from cordless telephone |
11/02/1995 | CA2188768A1 Airplane telephone |
11/02/1995 | CA2188049A1 Method and apparatus for wireless trunking to private branch exchanges |
11/01/1995 | CN2211678Y Telephone circuit protector |
11/01/1995 | CN2211677Y Telephone controller against illegal trunk multiple |
11/01/1995 | CN2211676Y Circuit protector against illegal trunk multiple |
11/01/1995 | CN1111081A Virtual pager for general purpose data terminal |
11/01/1995 | CN1111078A Method for memory dialing for cellular telephones |
10/31/1995 | US5463687 Foldable portable telephone with control of audio circuitry based on the folded/unfolded position |
10/31/1995 | US5463686 Communication routing method with income optimization for telecommunication networks |
10/31/1995 | US5463681 Security system for terminating fraudulent telephone calls |
10/31/1995 | US5463680 Switching arrangement for activating electrical devices |
10/31/1995 | US5463678 Credit card reader |
10/31/1995 | US5463676 Key telephone system with a voice storage equipment |
10/31/1995 | US5463674 Cellular cordless telephone which polls information in a memory to determine a pre-selected preference and a stored availability of call forwarding |
10/31/1995 | US5463659 Apparatus and method of configuring a cordless telephone for operating in a frequency hopping system |
10/31/1995 | US5463645 System for detecting non-coincidence of codes |
10/30/1995 | CA2148185A1 Fixed cellular terminal |
10/27/1995 | CA2145703A1 A noise-controlled communication apparatus |
10/26/1995 | WO1995028789A1 Universal connection for cellular telephone interface |
10/26/1995 | WO1995028701A1 Production of mass personal audio media |
10/26/1995 | DE4414555A1 Signal processor for telecommunication system |
10/26/1995 | DE19514805A1 Cable drum with plug protection |
10/26/1995 | DE19511309A1 Housing with display device for door intercom=phone |
10/26/1995 | CA2186946A1 Universal connection for cellular telephone interface |
10/26/1995 | CA2145574A1 User programmable configuration of a telephone |
10/25/1995 | EP0679051A2 Contacting actuating and display means |
10/25/1995 | EP0679044A2 Noise-canceling differential microphone assembly |
10/25/1995 | EP0679041A2 Emergency call system for mobile radio system |
10/25/1995 | EP0679003A2 Communication terminal apparatus and control method thereof |
10/25/1995 | EP0679002A2 Card reading configuration in a mobile phone |
10/25/1995 | EP0678987A1 Portable radio with display |
10/25/1995 | EP0678822A2 Image pick-up apparatus |
10/25/1995 | EP0678216A1 Electroluminescent lamp devices and their manufacture |
10/25/1995 | EP0587792A4 Battery saver for a communication device |
10/25/1995 | EP0543895A4 A computer keyboard |
10/25/1995 | CN2211143Y Dust-proof cover for telephone set |
10/25/1995 | CN2211142Y Anti-interference telephone rosette |
10/24/1995 | US5461672 Portable radio telephone having a slidable speaker unit |
10/24/1995 | US5461670 Telephone subscriber system incorporating a drive interface for a telephone line switch at a different reference potential |
10/24/1995 | US5461666 System and method for configuring a telephone |
10/24/1995 | US5461664 Emergency wireless telephone |
10/24/1995 | US5461262 Vehicle mounted adaptor for a portable radio transceiver |
10/24/1995 | CA2073716C Telephonic handset housing assembly for cordless telephone |
10/24/1995 | CA2041223C Functionally programmable pcm data analyzer and transmitter for use in telecommunication equipment |
10/24/1995 | CA2035411C Ringing circuit for use in portable telephone set |
10/19/1995 | WO1995028051A1 Interface unit for coupling several microphone/loudspeaker devices to a telephone terminal |
10/19/1995 | DE19513776A1 Telefonanrufbeantworter Phone with Voice Mail |
10/18/1995 | EP0677977A1 Mounting device for a microphone capsule |
10/18/1995 | EP0677974A2 Data buffering device between communicating processors in a cellular mobile telephone terminal |
10/18/1995 | EP0677945A1 Cordless facsimile communication system |
10/18/1995 | EP0677944A1 Transducer holding device in a telephone handset |