Patents
Sitemap › H04 - Electric communication technique › H04M - Telephonic communication › H04M 1 - Substation equipment, e.g. for use by subscribers
Patents for H04M 1 - Substation equipment, e.g. for use by subscribers (168,223)
11/1993
11/10/1993EP0568979A1 Speech recognition adapter for telephone system
11/10/1993EP0568875A2 ABS masses
11/10/1993CN2146089Y Controller for same line telephone and its extension telephone
11/10/1993CN1022725C Transfer device for colinear telephone sets for calling and speaking to each other
11/09/1993US5260998 Folding portable telephone set
11/09/1993US5260997 Articulated headset
11/09/1993US5260995 Electric power circuit for telephone set use
11/09/1993US5260994 Maintenance termination unit module
11/09/1993US5260993 Queuing apparatus and method for a cordless communication transceiver
11/09/1993US5260992 Key telephone system with reduction of delay of ring tone generation at telephone set
11/09/1993CA2018902C Closures
11/09/1993CA2012743C Telephone base members and support members
11/09/1993CA2001020C Battery housing with integral latch and positive displacement apparatus
11/09/1993CA1324223C Improved function control telecommunication terminal
11/04/1993DE4214124A1 Locating and earthing assembly for telephone answering machine cassette deck - holds deck elastically between telephone base and housing and connects to earth via tracks on contact board PCB in telephone
11/03/1993EP0567850A1 Connection of a loudspeaker with a printed circuit board in a telephone subscriber set
11/03/1993CN2145482Y Equal-capability parellel telephone distributor
11/03/1993CN1078080A Hybrid fiber in the loop telephony system
11/02/1993WO1993022846A1 Wireless device
11/02/1993US5259028 Telephone holder
11/02/1993US5259022 Detector for use with an automatic disconnect feature in a telephone answering machine
11/02/1993US5259020 Portable-to-portable call transfer system for cordless telephone
11/02/1993US5259019 Apparatus providing for a curved device with hinged cover
11/02/1993US5259003 Method of encoding two digital data signals
11/02/1993US5258995 Wireless communication system
11/02/1993US5258981 Method of operating a communications system, a communications system and a secondary station for use in the system
11/02/1993US5258964 Apparatus for displaying time-of-day data adaptively to different time zones
11/02/1993US5258713 Impedance generator for a telephone line interface circuit
11/02/1993CA2020870C Radio telecommunication apparatus
11/02/1993CA2012162C Electronic exchange system wherein it is easy to alter the functions assigned to the keys of a terminal, and method of controlling an electronic exchange system
11/02/1993CA1323945C Facsimile apparatus
10/1993
10/28/1993WO1993022844A1 A method for eliminating accoustic echo in a communication device
10/28/1993WO1993021723A1 Impedance synthesizer for a subscriber line interface circuit
10/28/1993WO1993021720A1 Methods and apparatus for controlling access to toll free telephone service
10/28/1993WO1993021719A1 Method of structuring a b-field format in a dect-standard system
10/27/1993EP0567333A1 Automatic dialling apparatus and method
10/27/1993EP0567135A1 Telephone answering apparatus having a plurality of selectable outgoing messages
10/27/1993CN2144900Y Intelligent telephone additional device
10/27/1993CN2144899Y Telephone set with translating function
10/26/1993US5257414 Apparatus for accepting and retaining a memory card
10/26/1993US5257412 Radio telecommunication apparatus having an operation disabling system
10/26/1993US5257410 Communication device with ISDN interface
10/26/1993US5257310 Portable telephone
10/26/1993US5257308 Pair facsimile devices
10/26/1993US5256955 Household and onboard vehicle power outlet-based battery charger for portable telephone
10/26/1993CA2003928C Access device for an isdn connecting device of a public terminal
10/21/1993DE4212412A1 Height adjustable office equipment or furniture - uses vertical supporting columns with carrier arm casing between supporting casings on column
10/20/1993EP0566209A1 Cost-optimised routing in a telecommunications network
10/20/1993EP0565959A1 A keypad
10/20/1993CN2144379Y Sound coupled wire and wireless telephone encryption apparatus
10/20/1993CN2144378Y Sterilizer for telephone transmitter
10/20/1993CN2144377Y Improved telephone socket apparatus
10/20/1993CN1077577A Communiation interface circuit
10/20/1993CN1077576A Use of a vcxo in the base unit of a two-handset cordless telephone system
10/20/1993CN1022530C Mounting assembly for transceiver
10/19/1993US5255316 Hands-free telephone apparatus
10/16/1993CA2065988A1 Telephone station set with flexible and rigid circuit boards
10/14/1993WO1993020640A1 Telephone answering device linking displayed data with recorded audio message
10/14/1993WO1993020624A1 Communications system with extended channels
10/14/1993CA2102408A1 Communications system with extended channels
10/13/1993EP0565279A2 A universal authentication device for use over telephone lines
10/13/1993EP0565181A1 Electrodynamic receiver for a telephone handset
10/13/1993EP0565036A2 System for automatic remote inquiry and/or for automatic sending of a spoken text on a tape via the telephone
10/13/1993EP0564983A1 Micropower amplifier/transducer driver with signal expansion
10/13/1993EP0564940A1 Personal communicator
10/13/1993EP0564874A1 Two-way communications earset with filter
10/13/1993EP0564756A1 Method and arrangement for automatic telephone call answering control
10/13/1993EP0554349A4 Carry case assembly for a portable electrical device
10/13/1993EP0541772A4 A personal communications device having remote control capability
10/13/1993CN1077322A A two-handset cordless telephone system
10/12/1993US5253292 Portable radiotelephone support assembly
10/12/1993US5253289 In accordance with ringing signal sequences sent through telephone line
10/12/1993US5253287 Method of operating cordless telephone system
10/12/1993CA2032162C Dialing features for cellular telephone with standard telephone set
10/06/1993EP0564164A1 Capacitive proximity sensors
10/06/1993EP0564160A2 Automatic handset-speakerphone switching arrangement for portable communication device
10/06/1993EP0564127A2 Chameleon apparatus housing unit
10/06/1993EP0564063A1 Termination unit with maintenance facility
10/06/1993EP0563996A2 Connector module for telephone line junction box and method of protecting a circuit
10/06/1993EP0563898A2 Portable radio telephone and method for selecting radio channel of cheap fee
10/06/1993EP0563864A2 Cordless telephone system for radio communication even in an outdoor area
10/06/1993EP0563743A1 Telecommunication system and subscriber terminals with labels on the keys
10/06/1993CN2143390Y Automatic telephone for urgent help
10/06/1993CN2143389Y Automatic exchanger for telephone switch
10/06/1993CN1077068A Fastener for housing assembly
10/05/1993US5251329 Radio telephone apparatus with microphone mounted in battery case
10/05/1993US5251263 Adaptive noise cancellation and speech enhancement system and apparatus therefor
10/05/1993US5251261 Device for the digital recording and reproduction of speech signals
10/05/1993US5251257 2-wire/3-wire converting apparatus
10/05/1993US5251256 Independent hysteresis apparatus for tone detection
10/05/1993US5251251 Telecommunications network-based greeting card method and system
10/05/1993US5251250 Method of storing callers telephone numbers in during-absence automatic telephone answering state
10/05/1993US5251232 Radio communication apparatus
10/05/1993US5251117 Structure of a diffusing lens for a light emitting diode
10/04/1993CA2091142A1 Connector module for telephone line junction box and method of protecting a circuit
09/1993
09/30/1993WO1993018716A1 Bone fixation system
09/29/1993EP0562570A2 Piezoelectric electroacustical transducer
09/28/1993US5249225 Self-balancing hybrid using digitally programmable attenuator for variable impedance elements
09/28/1993US5249217 Both way recording method of a wireless telephone
09/28/1993US5248929 Battery time monitor for cellular telephone
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