| Patents for H04M 1 - Substation equipment, e.g. for use by subscribers (168,223) |
|---|
| 10/01/1992 | WO1992017020A1 Shared line telephone answering device |
| 10/01/1992 | WO1992017019A1 A noise suppressing telephone handset |
| 10/01/1992 | WO1992017018A1 Cordless telephone set |
| 10/01/1992 | WO1992017003A1 Communication device with isdn interface |
| 10/01/1992 | DE4109845A1 Telephone party line circuit for connecting two stations to one line - uses bistable relay activating setting and resetting devices for alternately coupling e.g. telephone, answering machine or facsimile to common line |
| 09/30/1992 | EP0506544A1 Audio-visual telecommunication system including a terminal, a camera and a handset |
| 09/30/1992 | EP0506179A1 Housing for a pager |
| 09/30/1992 | EP0505978A1 Two-wire door telephone with hands-free function |
| 09/30/1992 | EP0505932A2 Holder for insertable chip card |
| 09/30/1992 | EP0505931A2 Telephone, particularly wireless-telephone |
| 09/30/1992 | EP0505913A1 System of audio and/or video intercom equipments for buildings |
| 09/30/1992 | CN2117676U Security calling arrangement for party-line telephone system |
| 09/30/1992 | CN2117675U Chinese herbal medicine hygienic pad for telephone receiver |
| 09/30/1992 | CN1018504B Communications device with movable element control interface |
| 09/29/1992 | WO1992017974A1 Hinge apparatus for foldable radiotelephones |
| 09/29/1992 | WO1992017973A1 Multiposition detenting hinge apparatus |
| 09/29/1992 | US5152007 Method and apparatus for detecting speech |
| 09/29/1992 | US5152006 Receiver controller method and apparatus |
| 09/29/1992 | US5151972 Apparatus for automatically connecting terminal device to telephone lines |
| 09/29/1992 | US5151946 Variable configuration portable telephone |
| 09/29/1992 | US5151934 Key telephone apparatus |
| 09/29/1992 | US5151933 Key telephone system |
| 09/29/1992 | US5151923 Voice frequency communication apparatus |
| 09/29/1992 | US5151643 Integral hang-up and battery charging apparatus |
| 09/29/1992 | CA2078233A1 Hinge apparatus for foldable radiotelephones |
| 09/24/1992 | DE4109482A1 Telecommunication installations device for subscriber dialling - has input unit and decoder for conversion of dialled information into electrically processable dialling signals |
| 09/23/1992 | EP0505204A2 Radiotelephone set |
| 09/23/1992 | EP0504864A1 Telephone set with a first and a second handset |
| 09/23/1992 | EP0504491A1 Moveable display located on housing of an instrument |
| 09/23/1992 | EP0504226A1 Limited vocabulary speech recognition system |
| 09/23/1992 | CN2117004U Recording inverter of telephone set |
| 09/23/1992 | CN2117003U Message recorder |
| 09/23/1992 | CN2117002U Safety telephone used in tunnels |
| 09/22/1992 | US5150404 Public telephone volume control |
| 09/22/1992 | US5150361 Battery powered communication device |
| 09/22/1992 | US5150282 Electromagnetic shielding structure of high-frequency circuit arrangements |
| 09/22/1992 | CA1307862C Telephone subscriber loop test system |
| 09/22/1992 | CA1307828C Radio arrangement having two radios sharing circuitry |
| 09/17/1992 | WO1992016067A1 Method and apparatus for flexible and optimal telephone call acceptance and routing |
| 09/17/1992 | DE4107732A1 Mobile radiotelephone with time-division multiplex bus line - carrying digital audio, I=O unit control, data and synchronisation signals in respective time slots |
| 09/17/1992 | DE4107728A1 Mobile radio, bus-connected to alternative telephone sets - i.e. handset and hands-free microphone loudspeaker combination which share common bus line to digital controller |
| 09/16/1992 | EP0503257A2 Control device of an apparatus, for example a telephone |
| 09/16/1992 | CN2116311U Telephone message recorder |
| 09/16/1992 | CN2116310U Protecting plug of program-control switchboard |
| 09/16/1992 | CN2116309U Telephone transfer plug with convertible plugging direction |
| 09/16/1992 | CN1064577A Remote line test facility |
| 09/16/1992 | CN1018319B Micro automatic revertive call switch mounted in telephone set |
| 09/15/1992 | US5148476 Telephone anti-theft device |
| 09/15/1992 | US5148471 Communications device with voice recognition and movable element control interface |
| 09/15/1992 | US5148470 Radio telephone apparatus having an instantaneous conversation function |
| 09/15/1992 | US5148468 Door answering system |
| 09/15/1992 | US5148160 Radio communication apparatus for rapidly knowing whether the apparatus is within or out of a service area |
| 09/15/1992 | US5148153 Automatic screen blanking in a mobile radio data terminal |
| 09/15/1992 | CA1307602C Telephone intercom device |
| 09/10/1992 | DE4107371A1 Flat configuration telephone handpiece - has extended path length between microphone and sound wave apertures |
| 09/10/1992 | DE4107365A1 Auxiliary unit for mobile telephone having keyboard - enables contacts to be closed with help of pushbuttons assigned to keyboard as well as activating these by speech control |
| 09/09/1992 | EP0502617A2 Portable radio telephone |
| 09/09/1992 | EP0502546A2 Radio communication apparatus |
| 09/09/1992 | EP0502104A1 Remote access telephone control system |
| 09/09/1992 | EP0444052A4 Integrated data transmission computer and system |
| 09/09/1992 | CN2115625U Telephone set detecting protector |
| 09/09/1992 | CN2115624U Telephone set |
| 09/09/1992 | CN2115623U Telephone handset |
| 09/08/1992 | US5146615 Interchangeable control panels and keypads for radio transceivers and related process |
| 09/08/1992 | US5146493 Communication system |
| 09/08/1992 | US5146490 Passive telephone line monitoring system |
| 09/08/1992 | CA1307333C Anti-fraud device for use with a coin operated telephone instrument |
| 09/05/1992 | WO1992016030A1 Integral hang-up and battery charging apparatus |
| 09/05/1992 | CA2037540A1 Cellular headphone telephone |
| 09/03/1992 | WO1992015167A1 Telephone adapter for telephone sets |
| 09/03/1992 | WO1992015166A1 Integrated application controlled call processing and messaging system |
| 09/03/1992 | WO1992015073A1 Hand-held data capture system with interchangeable modules and interactive control circuits |
| 09/02/1992 | EP0501903A1 Method and apparatus for flexible and optimal telephone call acceptance and routing |
| 09/02/1992 | EP0501820A2 Extendible telephone |
| 09/02/1992 | EP0501783A2 Speakerphone with serial port interface |
| 09/02/1992 | EP0501775A2 Remote line test facility |
| 09/02/1992 | CN1064182A Portable video telephone set |
| 09/01/1992 | US5144657 Hand test set with strain relief wire channel |
| 09/01/1992 | US5144656 Transmitter for communication equipment |
| 09/01/1992 | US5144655 Telephone handset |
| 09/01/1992 | US5144654 Automatic telephone dialer system with printed storage |
| 09/01/1992 | US5144652 Device for connecting a subscriber line to a selected internal line |
| 09/01/1992 | US5144650 Communication apparatus having improved switching line connection between different signal paths |
| 09/01/1992 | US5144294 Radio frequency message apparatus for aiding ambulatory travel of visually impaired persons |
| 09/01/1992 | CA1307063C Anonymous interactive telephone system with expanded outward calling features |
| 08/29/1992 | CA2059848A1 Liquid crystal display and reflective diffuser therefor |
| 08/28/1992 | CA2061899A1 Remote line test facility |
| 08/27/1992 | DE4105466A1 Linking personal computer and pushbutton telephone - using optical or magnetic link to provide galvanic separation and wireless data transmission |
| 08/26/1992 | WO1992013395A1 Receiver controller method and apparatus |
| 08/26/1992 | EP0500373A2 Time division duplex transmitter-receiver |
| 08/26/1992 | EP0500356A2 Loudspeaker telephone device comprising a noise suppressing circuit |
| 08/26/1992 | EP0500331A1 Structure of a diffusing lens for a light emitting diode |
| 08/26/1992 | EP0500194A2 Communication apparatus |
| 08/26/1992 | EP0500013A2 Rotary stand |
| 08/26/1992 | EP0499674A1 Means for suppression of acoustic reflexions in handsets for telephony |
| 08/26/1992 | EP0499620A1 Computer and telephone apparatus with user friendly computer interface and enhanced integrity features |
| 08/26/1992 | EP0433308A4 Two-way radio communications system having selectable operating modes |
| 08/26/1992 | CN2114246U Intelligent telephone set with a cipher lock |
| 08/26/1992 | CN2114245U Disinfection mat for telephone set |
| 08/26/1992 | CA2104788A1 Hand-held data capture system with interchangeable modules and interactive control circuits |