H04M 1 - Substation equipment, e.g. for use by subscribers

Patents for H04M 1 - Substation equipment, e.g. for use by subscribers (168,223)
07/1994
07/12/1994	US5329550 Signal processing circuit for the European digital cellular radio system
07/12/1994	US5329506 Information retrieving system
07/12/1994	CA2087080A1 Multi-function connecting device for a cellular telephone
07/12/1994	CA2016258C Telephone line interface circuit
07/12/1994	CA2009554C Telephone terminal device having speech recognition unit
07/12/1994	CA2009449C Time dependant, variable amplitude threshold output circuit for frequency variant and frequency invariant signal discrimination
07/07/1994	WO1994015428A1 Computer-based classified ad system and method
07/07/1994	DE4241257C1 Mobile handset for cordless telephone
07/06/1994	EP0604964A2 Radio communication devices
07/06/1994	EP0604592A1 Digital telephone, cable tv system and local exchange bypass network
07/06/1994	CN2171179Y Multiple frequency type keyboard input device
07/06/1994	CN2171178Y 电话机受话器 Telephone receiver
07/06/1994	CN2171177Y Terminal box for telephone set
07/06/1994	CN1089059A Bicolor photoluminescent plastic button and mfg. method thereof
07/05/1994	US5327584 Portable radio having cover releasing mechanism and receive switch which are operable together
07/05/1994	US5327578 Radio telephone system supporting automatic busy and out-of-range indications
07/05/1994	US5327506 Voice transmission system and method for high ambient noise conditions
07/05/1994	US5327495 Apparatus and method for controlling an echo canceler
07/05/1994	US5327494 Dial tone annunciating system and method
07/05/1994	US5327493 Device for detecting tones on telephone lines
07/05/1994	US5327486 Method and system for managing telecommunications such as telephone calls
07/05/1994	US5327483 Cordless phone and cordless phone system using such cordless phone
07/05/1994	US5327482 Public cordless telephone system with coin/card insertion inhibiting means
07/05/1994	US5327481 Radio communication device and cordless answer phone
07/05/1994	US5326284 Circuit assemblies of printed circuit boards and telecommunications connectors
07/05/1994	CA2042040C Microphone controller with multifunction single conductor
07/05/1994	CA2000026C Dialing confirmation tone output apparatus
06/1994
06/30/1994	DE4244291A1 Telephone appts.
06/29/1994	EP0604274A1 Communication apparatus having audio response function
06/29/1994	EP0604049A2 Acoustic coupling apparatus for telephone handsets
06/29/1994	EP0603436A1 Parallel phone detection circuit
06/29/1994	CN2170610Y 时钟电话机 Clock telephone
06/29/1994	CN1025272C Communication system
06/28/1994	US5325429 Apparatus for accepting and retaining an information card
06/28/1994	US5325428 Automatic switching-back device for telephone circuit
06/28/1994	US5325425 Method for monitoring telephone call progress
06/28/1994	US5325420 Cordless phone haaving a plurality of personal stations
06/28/1994	US5325405 Burst mode receiver control
06/28/1994	US5325396 Digital synthesizer
06/28/1994	US5324925 Hand-held data terminal and communicator
06/28/1994	CA2028791C Telephone system
06/28/1994	CA2016859C Telephone
06/28/1994	CA2007446C Telephone system
06/23/1994	WO1994014292A1 An electro-acoustic transducer
06/23/1994	WO1994014284A1 Reprogrammable terminal for suggesting programs offered on a television program delivery system
06/23/1994	WO1994014283A1 Television program delivery system
06/23/1994	WO1994014282A1 Set top terminal for cable television delivery systems
06/23/1994	WO1994014281A1 An operation center for a television program packaging and delivery system
06/23/1994	WO1994014280A1 Network controller for cable television delivery systems
06/23/1994	WO1994014279A1 Digital cable headend for cable television delivery system
06/23/1994	WO1994014272A1 Wireless telephone
06/23/1994	WO1994014271A1 Call management in a telecommunication system
06/23/1994	WO1994014269A1 Voice interface board for use in an operator system
06/23/1994	WO1994014180A1 Electroluminescent lamp devices and their manufacture
06/23/1994	DE4342491A1 Telephone line sensor circuit
06/23/1994	DE4243563A1 Operator terminal for equipment, e.g. telephone subscriber's appts.
06/23/1994	CA2130111A1 Telecommunications
06/23/1994	CA2128010A1 An electro-acoustic transducer
06/22/1994	EP0603013A1 Cellular telephone handset
06/22/1994	EP0603012A1 Portable telephone set
06/22/1994	EP0602840A1 Control of a computer using a telephone handset
06/22/1994	EP0602828A1 Compact wrist telephone
06/22/1994	EP0602457A2 Method for modifying a signalling procedure by communication terminals of a communication system
06/22/1994	EP0602225A1 Arrangement for simplifying ordering of telecommunication services
06/22/1994	CN2169957Y Fixer for mobile telephone
06/22/1994	CN1088373A 智能电话终端扩展器 Smartphone Terminal Extender
06/22/1994	CN1088346A Cyclic recording and playing circuit
06/21/1994	US5323457 Circuit for suppressing white noise in received voice
06/21/1994	US5323455 Ringer circuit, particularly for a telephone set
06/21/1994	US5323447 Apparatus and method for modifying a frequency hopping sequence of a cordless telephone operating in a frequency hopping system
06/19/1994	CA2111405A1 Cellular telephone
06/19/1994	CA2085775A1 Dual tone multi frequency personal card
06/18/1994	CA2107447A1 Control of a computer using a telephone handset
06/18/1994	CA2085638A1 Solar powered amp
06/16/1994	DE4341008A1 Programmable telephone control device - has alphanumeric display and input command keyboard and command memory
06/16/1994	DE4242391A1 Cradle switch for telephone subscriber's appts. - has lever with pivotable cradle and contacting bellows acting on PCB
06/16/1994	DE4241815A1 Selection appts. with display of service menu for telephone station - employs memory units and controllers to establish call to selected subscriber in response to finger on touch-sensitive screen
06/16/1994	DE4241679A1 Telephone appts. for conversion of pulse to multifrequency selection - has additional latchable or unlatchable key provided at user interface, effective for duration of occupancy of line
06/15/1994	EP0601711A1 A battery pack
06/15/1994	EP0601629A2 Method for the acquirement of synchronism between base station and portable phone in a digital cordless telephony system
06/15/1994	EP0601111A1 Burst mode receiver control
06/15/1994	CN2169256Y Signal transferring nd receiving device between extension lines
06/15/1994	CN2169254Y Multifunctional rotary music stand for telephone
06/15/1994	CN2169253Y Telephone circuit switcher
06/15/1994	CN1088038A Key-type distance high power telephone
06/14/1994	US5321840 Distributed-intelligence computer system including remotely reconfigurable, telephone-type user terminal
06/14/1994	US5321739 Cordless telephone apparatus with message recording and reproducing means
06/14/1994	US5321738 Switch apparatus of a portable cordless telephone using an antenna
06/14/1994	US5321737 Cordless telephone communication system having base stations with memory for quick access to information
06/14/1994	US5321577 Protector module for telephone line pair
06/14/1994	CA2037972C Arrangement and method for selecting an available communication channel for a cordless telephone
06/09/1994	WO1994013107A1 Advanced set top terminal for cable television delivery systems
06/09/1994	WO1994013088A1 Housing assembly for a wireless communication device
06/09/1994	WO1994013087A1 Modular subscriber apparatus
06/09/1994	WO1994013065A1 Aural annunciator circuit for a receiver
06/09/1994	WO1994012999A1 Hand held encoding instrument
06/09/1994	DE4241147A1 Switchable adaptor for telephone connection - has element built in that can be indexed to changeover contacts between socket and plug ends
06/09/1994	CA2345161A1 Advanced set top terminal for cable television delivery systems
06/09/1994	CA2105536A1 Method for dialing telephone numbers from a personal computer
06/08/1994	EP0600785A1 Enclosure, with lock mechanism, for pay telephone

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