Patents
Patents for H04M 1 - Substation equipment, e.g. for use by subscribers (168,223)
05/1995
05/23/1995CA2016226C Voice messaging method and apparatus for pay phone telephone systems
05/18/1995WO1995013665A1 Electronic device coupling apparatus
05/18/1995WO1995013640A1 Cooling a large microprocessor in a small module
05/18/1995DE4339074A1 Remote operation procedure for handicapped user
05/17/1995EP0653895A2 Identity authentication method suitable for mobile applications and telephone apparatus therefor
05/17/1995EP0653875A2 Telecommunications unit
05/17/1995EP0653869A1 System and method to identify the terminating directory number at the customer premises
05/17/1995EP0653835A1 Control of distortion in a line-powered amplifier with a rail-to-rail output voltage swing
05/17/1995EP0606396A4 A radio frequency local area network.
05/17/1995EP0596079A4 Telecommunication device operating under an enhanced tdd protocol.
05/17/1995CN2197777Y Button of keyboard
05/17/1995CN2197776Y Automatic shutting off unit of telephone receiver
05/17/1995CN2197775Y Automatic guard against telephone illegal connection
05/17/1995CN1102737A 电话灯 Phone lights
05/16/1995US5416839 Universal bed-rail clip
05/16/1995US5416838 Telephone receiver with adjustable support for base and handset
05/16/1995US5416834 Redirection of calls by a communication terminal
05/16/1995US5416802 Receiver circuit for digital and analog modulated signal
05/16/1995US5416779 Time division duplex telecommunication system
05/16/1995US5416663 Arrangement for protecting telecommunications equipment from voltage transients
05/16/1995US5416607 Facsimile transmission control system which determines the proper response to a received instruction
05/16/1995US5415955 Structure for holding a battery pack on an electronic apparatus
05/16/1995US5415570 Modular connector with contacts associated with more than one surface
05/16/1995CA2065250C Cellular telephone controller with synthesized voice feedback for directory number confirmation and call status
05/16/1995CA1335612C Voice frequency communication apparatus
05/11/1995WO1995012959A1 Headset interface assembly
05/11/1995WO1995012949A1 Personal apparatus for receiving radiotelephone communications
05/11/1995WO1995012948A1 A caller name and identification communication system with caller screening option
05/11/1995WO1995012933A1 A message transmission system and method for a radiocommunication system
05/11/1995WO1995012923A1 Indoor radio communication system
05/11/1995WO1995012854A1 Multiprocessor data memory sharing
05/11/1995WO1995012841A1 Interactive keyset
05/11/1995DE4337530A1 Module for connecting devices to the public telephone network
05/10/1995EP0652611A1 Connector for a telephone set
05/09/1995US5414769 Articulated headset support
05/09/1995US5414768 Apparatus for electrically and mechanically connecting an auxiliary device to a main unit
05/09/1995US5414764 Communications apparatus
05/09/1995US5414758 Audio recording apparatus using an imperfect memory circuit
05/09/1995US5414753 Number assignment module setting system for portable telephone set
05/09/1995US5414751 Portable telephone apparatus responsive to control signals obtained through a connector and through a wired telephone line for a mending the operational program
05/09/1995US5414457 Multi-media communication apparatus
05/09/1995US5414444 Personal communicator having orientable video imaging element
05/04/1995WO1995012267A1 Object-oriented telephony system
05/04/1995WO1995012266A1 Telephone bar device
05/04/1995WO1995012252A1 Portable secure-telephone communications module
05/04/1995WO1995012168A1 Micro-personal digital assistant
05/04/1995DE4342517C1 Terminating unit for telecommunications and data lines
05/04/1995DE4337044A1 Electrical blocking device for telecommunication devices
05/04/1995DE4330436A1 Mobile telephone
05/04/1995DE4291238C2 Folding-type radio telephone
05/04/1995CA2168768A1 Object-oriented telephony system
05/03/1995EP0651547A2 Method for selecting a call number from an electronic telephone directory
05/03/1995EP0651546A1 Cellular radio telephone set
05/03/1995EP0651545A1 Hand held radiotelephone with moveable receiver portion
05/03/1995EP0651544A2 Personal communicator having a touch sensitive contol panel
05/03/1995EP0651543A2 Personal communicator having improved zoom and pan functions
05/03/1995EP0651542A2 Digital telephone overcoming incompatibilities in international digital telephone standards
05/03/1995EP0651541A1 Telephone subscriber circuit with galvanic isolating element for driving the on/off states of a telephone line
05/03/1995EP0651540A1 Telephone subscriber circuit with galvanic isolating element
05/03/1995EP0651164A1 Mobile telephone with fastening element
05/03/1995EP0461148B1 Telephone support device
05/03/1995CN2196349Y Device for theft-proof of telephone
05/02/1995US5412713 Display for a telephone terminal
05/02/1995US5412712 Multiple language capability in an interactive system
05/02/1995US5412711 Electronic exchange having function of calling number delivery service and blocking
05/02/1995US5412588 Digital sine-wave generating circuit
05/02/1995US5412538 Multi-layer printed circuit board
04/1995
04/27/1995WO1995011562A1 Wireless telephone remote control system
04/26/1995EP0650286A2 Ringdown and ringback signalling for a computer-based multifunction personal communications system
04/26/1995EP0650283A1 Portable telephone directory and telephone dialler comprising a voice recognition device
04/26/1995EP0650282A1 Automatic telescopic antenna mechanism
04/26/1995CN2195832Y Telephone controlling light illuminating apparatus
04/26/1995CN2195831Y Post-payment coin box telephone
04/25/1995US5410597 Wired seat back aircraft telephone set
04/25/1995US5410595 Apparatus and method for noise reduction for a full-duplex speakerphone or the like
04/25/1995US5410594 Transmission input/output device with reduced power consumption
04/25/1995US5410587 Ultrasonic radiotelephone for an automobile
04/25/1995US5410541 System for simultaneous analog and digital communications over an analog channel
04/25/1995US5410326 Programmable remote control device for interacting with a plurality of remotely controlled devices
04/25/1995US5409178 Method and apparatus for winding and unwinding printed products in scale formation
04/20/1995WO1995010833A1 Voice activated personal organizer
04/19/1995EP0649243A1 Facsimile unit
04/19/1995EP0649239A2 Facsimile telecommunication unit with alpha-numeric entry mode for an automatic dialing function
04/19/1995EP0649194A1 Electrical connector having reduced cross-talk
04/19/1995EP0648404A1 Modular notebook computer
04/19/1995EP0648397A1 Method for fail-safe operation in a speaker phone system
04/19/1995EP0641288A4 Improved cord take-up device.
04/19/1995EP0408582B1 Telephone junction box and switch therefor
04/19/1995EP0387313B1 A system for communicating and managing private data
04/19/1995CN2195167Y Telephone cipher filter
04/19/1995CN1101775A Portable telephone set and portable telecommunications apparatus
04/19/1995CN1101774A Locking and controlling device for long distance telephone
04/19/1995CN1028276C Switching circuit in telephone device for selecting between two-line and keysystem modes of operation
04/19/1995CN1028275C Hinge apparatus having self-latching hinge shaft for foldable radiotele-phones
04/18/1995US5408682 Identification code search in a communication device
04/18/1995US5408621 Combinatorial data entry system having multi-position switches, each switch having tiltable control knob
04/18/1995US5408528 Method and apparatus for flexible and optimal telephone call acceptance and routing
04/18/1995US5408525 Diverter interface between two telecommunication lines and a station set
04/18/1995US5408060 Illuminated pushbutton keyboard
04/18/1995US5407113 Over the head hands-free phone holder