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