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

Patents for H04M 1 - Substation equipment, e.g. for use by subscribers (168,223)
10/1986
10/15/1986	CN86100949A Subscriber rf telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of rf channels
10/14/1986	US4617431 Voice tube assemblies for post-auricle headsets
10/14/1986	US4617430 Swivel mount
10/14/1986	US4617428 Telephone base adapted to facilitate both desk and wall mounting of telephone instrument
10/14/1986	US4617425 Telephone answering device
10/14/1986	US4617424 System for preventing stealing of line in radiotelephony
10/14/1986	US4616764 Case having snap-on cover
10/08/1986	EP0196834A2 Security arrangement for cordless telephone system
10/08/1986	EP0196815A2 Personal computer note-taking facility
10/08/1986	EP0196526A1 Advertising apparatus for telephone and information display apparatus
10/08/1986	EP0112850B1 Equipment for wireless telephone transmission
10/07/1986	US4616110 Automatic digital telephone answering apparatus
09/1986
09/30/1986	US4614845 Telephone hookswitch flasher
09/30/1986	US4614843 Arrangement for opening the loop for a well-defined time interval from a telephone set
09/30/1986	US4614839 Road-vehicle telephone apparatus
09/24/1986	EP0195092A1 Picture transmitting intercom apparatus for wall mounted installations, having improved fastening means and a circuitry laid on compact size moulded supports
09/23/1986	US4613928 Telephone sterilizer
09/23/1986	US4613730 Electronic telephone with feature access and speed dialing including loop breaks
09/17/1986	EP0194825A2 Improvements relating to plug and socket connectors
09/17/1986	EP0194782A2 Telecommunications security device
09/17/1986	EP0194723A1 Variable reference voltage-transmission amplifier in the form of a line voltage stabiliser
09/17/1986	EP0194709A2 Method and circuit arrangement for the introduction of dialing pauses into memorized digits
09/17/1986	EP0194387A2 A voice-controlled telephone and method for controlling same
09/16/1986	US4612590 Tape drive device for telephone answering device
09/16/1986	US4612419 Toll restriction circuit for an electronic telephone station
09/10/1986	EP0193972A2 MF signal transmitting control apparatus/method for use in cordless telephone system
09/10/1986	EP0193738A2 Terminal for a telecommunication exchange
09/10/1986	EP0193733A2 Method for matching a hybrid amplifier circuit to a telecommunication line, and device for carrying it out
09/10/1986	EP0193713A2 Terminal for a digital telecommunication exchange
09/10/1986	CN86101473A Variable reference voltage-transmission amplifier in the form of a line voltage stabiliser
09/09/1986	US4611098 Coded telephone access system
09/09/1986	CA1211239A1 Terminal interface connecting terminal unit having central office line interface to key telephone system
09/03/1986	EP0193470A1 Telephone apparatus with a fixed post and mobile hand set
09/02/1986	US4609790 Locking apparatus for telephone
09/02/1986	US4609785 Universal handset mount
09/02/1986	US4609783 Automatic telephone answering apparatus
09/02/1986	CA1210879A1 Telecommunications system
09/02/1986	CA1210851A1 Dynamic telephone receiver with magnetic shunt
08/1986
08/28/1986	WO1986005014A1 Circuit device for use with a computer
08/27/1986	EP0192456A2 Semiconductor integrated circuit
08/27/1986	EP0192083A2 A switch with plural rotors
08/27/1986	EP0191817A1 Method for identifying calling or called terminals and device for implementing such a method
08/26/1986	US4608459 Telephone answering device
08/26/1986	US4608458 Automatic telephone answering apparatus
08/26/1986	US4608457 Telecommunications device for the hearing impared
08/26/1986	US4607900 Telephone jack security devices
08/26/1986	CA1210540A1 Transmission circuit for a dtmf-telephone set
08/26/1986	CA1210468A1 Manual operating device for a slide type electrical device
08/20/1986	EP0191619A2 Automatic linear compression circuit
08/20/1986	EP0191526A2 Evaluating circuit for alternating currents or voltages
08/19/1986	US4607143 Apparatus for effecting a redialling interruption of any optional duration
08/19/1986	US4607142 Transformer flux compensation circuit
08/19/1986	CA1210175A1 Amplifier for use with telephone transmitter mounted in handheld telephone unit
08/19/1986	CA1210173A1 Dual timing circuit for telephone subscriber's instrument
08/14/1986	WO1986004756A1 Telephone installation with short range radio transmissions comprising sets each simultaneously usable by a plurality of persons
08/14/1986	WO1986004742A1 Wall coating enabling the supply of an electric receiver with variable positions on the wall
08/13/1986	EP0190806A2 Method and device for producing an acoustic call signal in subscriber apparatuses of telecommunication systems
08/13/1986	CN86101494A Automatic linear compression circuit
08/12/1986	US4605821 Automatic telephone answering apparatus
08/12/1986	CA1209734A1 Telephone handset cord guide and retainer
08/06/1986	EP0189711A1 Telephone apparatus with loudspeaker for amplified listening with reduction of gain in case of insufficient current supply
08/05/1986	US4604501 Voice communication system
08/05/1986	CA1209292A1 Subscriber's telephone circuit
08/05/1986	CA1209291A1 Subscriber's telephone circuit
08/05/1986	CA1209236A1 Connecting member for connecting two communications terminal units
07/1986
07/30/1986	EP0188865A2 Information communication apparatus
07/30/1986	EP0188676A2 Method for the multiple use of direct call keys at terminals, especially at operation positions in telephone exchanges, especially multiple operator's position exchanges
07/29/1986	US4602755 Hospital-bed phone mounting plate
07/23/1986	EP0188017A1 Electroacoustic calling device
07/22/1986	US4602134 Telephone tester
07/22/1986	US4602132 Key telephone system
07/22/1986	CA1208386A1 Telephone
07/16/1986	EP0187511A2 Auto telephone answering apparatus
07/16/1986	EP0187474A2 Corded/cordless telephone
07/15/1986	US4600812 Communication system having abbreviated dialing access
07/15/1986	US4600810 Telephone line tester
07/15/1986	US4600809 Telephone systems
07/15/1986	CA1207929A1 Handsfree telephone
07/15/1986	CA1207928A1 Speakerphone control circuit
07/15/1986	CA1207874A1 Call interceptor
07/09/1986	EP0186809A2 Telephone apparatus with devices for storing and displaying abbreviated numbers
07/08/1986	US4599495 Apparatus for multifrequency signalling tone detection
07/08/1986	CA1207476A1 Electronic tone ringer
07/03/1986	WO1986003912A1 Full duplex speakerphone for radio and landline telephones
07/02/1986	EP0185972A1 Contact device for battery charger
07/02/1986	EP0185815A1 Infrared remote telephone system level control
07/02/1986	CN85107893A Two-module telephone terminal and modules for this terminal
07/02/1986	CA1207095A Wireless telephone extension unit with self enclosed dipole antenna
07/01/1986	US4598179 Telephone privacy system
07/01/1986	US4598176 Telephone handset cord guide and retainer
07/01/1986	US4598175 Telephone set with two position mounting with alternate seating of handset
07/01/1986	US4598174 Circuit for detecting keypad conditions in a microprocessor controlled telephone instrument
07/01/1986	US4598171 Voice operated telephone answering system
06/1986
06/25/1986	EP0185295A2 A call progress monitor for a computer telephone interface
06/25/1986	EP0185138A2 Radio network for the transmission of information between one pair of a plurality of paired radio stations
06/24/1986	US4596901 Telephone answering machine with remote control capabilities
06/24/1986	US4596899 Telephone hearing aid
06/24/1986	CA1206652A1 Telephone feature assignment circuit
06/24/1986	CA1206646A1 Loop-circuit for telephone line
06/24/1986	CA1206642A1 Telephone station signaling lock circuit

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