| Patents for H04M 1 - Substation equipment, e.g. for use by subscribers (168,223) |
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| 03/09/1993 | US5193209 Mobile telephone system for producing busyness information for speech channels |
| 03/09/1993 | US5193112 Arrangement and method for rapidly detecting double talk in long distance telephone communications system |
| 03/09/1993 | US5193107 Speakerphone test set |
| 03/04/1993 | WO1993004549A1 Greeting card with electronic sound recording |
| 03/04/1993 | WO1993004548A1 Off-hook telephone with temporary park feature |
| 03/04/1993 | WO1993004537A1 Burst mode receiver control |
| 03/04/1993 | DE4128686A1 Cooperating working procedure for telecommunications terminal and personal computer - transmitting computer signal in identical structure, as delivered by terminal control, to terminal testing device |
| 03/04/1993 | CA2077184A1 Multi-status multi-functional data processing key and key array |
| 03/03/1993 | EP0530089A2 Communication apparatus having function of generating calling signal |
| 03/03/1993 | EP0530010A2 Telephone with abbreviated dialling |
| 03/03/1993 | EP0529721A2 A method of facilitating interchanging the use of a mobile station and a permanently wired telephone set |
| 03/03/1993 | EP0529633A2 DC termination circuit for 2B1Q line-coded basic rate ISDN |
| 03/03/1993 | EP0452478A4 Apparatus for removably connecting a cellular portable telephone to a computer |
| 03/03/1993 | EP0427800A4 Interlock circuit for preventing corruption of telephone line signals |
| 03/03/1993 | CN1069611A 电话机 Phone |
| 03/02/1993 | US5191606 Electrical telephone speech network |
| 03/02/1993 | US5191602 Cellular telephone headset |
| 03/02/1993 | US5191329 Data entry device with automatic sheet identification |
| 03/02/1993 | CA1314092C Adjustable telephone handset support |
| 03/01/1993 | CA2076720A1 Dc termination circuit for 2b1q isdn basic rate physical layer line code protocol |
| 03/01/1993 | CA2075250A1 Portable radiotelephone support assembly |
| 02/25/1993 | DE4127700A1 Audio frequency monitor for facsimile connected to telephone station and answering machine - presents high impedance to subscriber line until answering machine has respond to incoming transmission with switching |
| 02/24/1993 | EP0469077A4 Analog/digital voice storage cellular telephone |
| 02/24/1993 | CN2127535Y Multi-functional quickly dialing device |
| 02/24/1993 | CN2127534Y Electronic sterilized telephone set |
| 02/23/1993 | US5189698 Holder suitable for preventing inadvertent detachment of a telephone or its operating handpiece held by the holder |
| 02/23/1993 | US5189696 Data communication apparatus |
| 02/23/1993 | US5189695 Communication terminal unit for connection to an ISDN |
| 02/23/1993 | US5189692 Telephone operator simulator |
| 02/23/1993 | US5189691 VCR with video phone answering capability |
| 02/23/1993 | US5189632 Portable personal computer and mobile telephone device |
| 02/23/1993 | US5189400 Communication device capable of preventing energy source removal |
| 02/23/1993 | US5189358 Adaptor for mounting portable radio apparatus to moving body and charger for portable radio apparatus |
| 02/18/1993 | WO1993003468A1 Method and devices of communication by the sense of touch |
| 02/16/1993 | US5187743 Telephone base with a display unit |
| 02/16/1993 | US5187741 Enhanced acoustic calibration procedure for a voice switched speakerphone |
| 02/16/1993 | US5187734 Telephone message recording device |
| 02/10/1993 | EP0526981A2 Cellular telephone with plural telephone numbers |
| 02/10/1993 | EP0526832A2 Mobile unit with speed dialing feature for cellular telephone network |
| 02/10/1993 | EP0526802A2 Radiotelephone |
| 02/10/1993 | EP0526751A2 Control unit for a radio-telephone |
| 02/10/1993 | EP0526729A2 Electronic telephone book |
| 02/10/1993 | EP0526715A1 Cradle for a telephone handset |
| 02/10/1993 | EP0454828A4 Communications device with movable element control interface |
| 02/10/1993 | EP0294417B1 Apparatus in a loudspeaking telephone set for supplying power to an amplifier connected to the loudspeaker |
| 02/10/1993 | CN2126945Y Turn-call apparatus of wholl solid-state bridging telephone extension |
| 02/09/1993 | US5185791 Combination desk and wall telephone set |
| 02/09/1993 | US5185790 Multiposition detenting hinge apparatus |
| 02/09/1993 | US5185789 Universal telephone handset interface |
| 02/09/1993 | US5185788 Dial number generator |
| 02/09/1993 | US5185787 Multiple party telephone control system with random dialing for polling |
| 02/09/1993 | US5185570 Telecommunications signal detector |
| 02/09/1993 | US5184971 Toy telephone recorder with picture actuated recording and playback |
| 02/04/1993 | WO1993002430A2 Electronic travel pass |
| 02/03/1993 | EP0526240A2 Call reconnection system in mobile communication |
| 02/03/1993 | EP0526207A2 Communication control device capable of quickly searching for an idle speech channel in a standby mode |
| 02/03/1993 | EP0525963A2 Generation of a clock frequency in a smart card interface |
| 02/03/1993 | EP0525962A2 Cellular telephone with transmitter power level control |
| 02/03/1993 | EP0525487A2 Subscriber terminal with an identification device for audible tones |
| 02/03/1993 | EP0525301A1 Programming assembly for all kind of apparatus controlled by keys |
| 02/03/1993 | EP0525298A1 Portable radiotelephone |
| 02/03/1993 | EP0437489A4 A multi-purpose communications device |
| 02/02/1993 | US5184120 Menu selection using adaptive force sensing resistor |
| 02/02/1993 | US5183967 Junction box |
| 02/02/1993 | CA1313432C Speaker drive arrangement for loudspeaker telephone |
| 02/02/1993 | CA1313398C Radio communication system |
| 02/01/1993 | CA2074901A1 Call re-connection system in mobile communication |
| 01/27/1993 | EP0524652A2 A programmable dialler for a mobile telephone |
| 01/27/1993 | EP0524547A2 Controllable amplifier circuit |
| 01/27/1993 | EP0524430A1 Device for mounting an LC-Display on a circuit board |
| 01/27/1993 | EP0524175A1 Data entry book with sheet identification |
| 01/27/1993 | CN2126659Y Automatic successive signal transmitter-receiver for long-distance call |
| 01/26/1993 | US5182769 Telephone set having a volatile memory |
| 01/26/1993 | US5182768 Digital telephone set capable of being simultaneously used by a plurality of persons by using one transmission line |
| 01/26/1993 | US5182766 Generalized telecommunications customer signaling arrangement |
| 01/26/1993 | US5182765 Speech recognition system with an accurate recognition function |
| 01/26/1993 | US5181744 Promotional auto dialer card |
| 01/26/1993 | CA1313144C Earplug and surroundings |
| 01/23/1993 | WO1993002520A1 Radio telephone interface apparatus |
| 01/21/1993 | WO1993001685A1 Telecommunication information display system____________________ |
| 01/21/1993 | WO1993001675A1 Movement damping device for a cordless telephone |
| 01/21/1993 | WO1993001665A1 Personal communication system providing supplemental information mode |
| 01/21/1993 | WO1993001664A1 Remote voice control system |
| 01/21/1993 | WO1993001659A1 Radio mode responsive to the position of a moveable antenna |
| 01/21/1993 | WO1993001597A1 Telephone recording device |
| 01/21/1993 | DE4123763A1 Vol. adjustment for telephone terminals with loudspeaker - has analog gate incorporated in signal path leading to electroacoustic transducer |
| 01/21/1993 | DE4123108A1 Telephone handset circuit with electronic loop current switch - acts as rest contact loudspeaking free speaking button contact and number selection switch contact |
| 01/21/1993 | CA2112594A1 Personal communication system providing supplemental information mode |
| 01/20/1993 | EP0524100A2 Multi-function telephone apparatus and control method therefor |
| 01/20/1993 | EP0524097A1 Device for the control of a call receiver of a telephone set in a domestic installation |
| 01/20/1993 | EP0523722A2 Cordless telephone set |
| 01/20/1993 | EP0523366A2 Method for reducing power consumption in the mobile part of a cordless telephone |
| 01/19/1993 | WO1993001987A1 Container for enclosing contents therein with calendar function and vending machine for said container |
| 01/19/1993 | WO1993001943A1 System for using telephone cards |
| 01/19/1993 | US5181242 Quick release latch mechanism for a telephone handset |
| 01/19/1993 | US5181238 Authenticated communications access service |
| 01/19/1993 | CA2091674A1 Container for sealedly packing content having a calendar function and automatic vending machine for said container |
| 01/19/1993 | CA2089872A1 System for using telephone cards |
| 01/19/1993 | CA1312970C Method and apparatus for electronic payphone open switch interval management |
| 01/18/1993 | CA2049872A1 Light controlled telephone ringer |