| Patents for H04M 1 - Substation equipment, e.g. for use by subscribers (168,223) |
|---|
| 07/26/1990 | WO1990008439A2 A speech processing apparatus and method therefor |
| 07/26/1990 | WO1990008422A1 A telephone or like telecommunication apparatus |
| 07/26/1990 | WO1990008403A1 Adjustable watchband with embedded antenna |
| 07/25/1990 | EP0379332A2 Cordless telephones |
| 07/25/1990 | EP0378846A2 Telephone apparatus |
| 07/25/1990 | EP0378775A2 Radiotelephone |
| 07/25/1990 | EP0378597A1 Communication box assembly |
| 07/25/1990 | CN1008962B Subscriber rf telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of rf channels |
| 07/24/1990 | US4944017 Electroacoustic insert with added coil |
| 07/24/1990 | US4944005 Adjustable strap for telephone handset support |
| 07/24/1990 | US4944002 Current switch for use in telephony systems or the like |
| 07/24/1990 | US4944000 Semiconductor integrated circuit for a telephone dialer including a wait-pause circuit |
| 07/24/1990 | US4943997 Device for communicating a doorside intercom set with a remote telephone |
| 07/24/1990 | US4943983 Subscriber unit for wireless digital telephone system |
| 07/23/1990 | CA2007839A1 Method and apparatus for performing an automated collect call |
| 07/19/1990 | DE4000098A1 Transmitter system with ISDN bus - has exchange with forward transmitter for single for single, decimal selection number to forward line |
| 07/18/1990 | EP0377581A1 Analog/digital data storage system. |
| 07/18/1990 | EP0377568A1 Motorcar telephone |
| 07/17/1990 | US4942617 Earphone cord take-up device |
| 07/17/1990 | US4942605 Security handset |
| 07/17/1990 | US4942598 Telephone answering machine in paging systems with automatic number identification based message operations |
| 07/17/1990 | CA1271827A1 Announcing waiting times in queueing systems |
| 07/12/1990 | WO1990007835A1 A telephone subset arrangement |
| 07/12/1990 | WO1990007833A1 Communications unit for fitting in vehicles |
| 07/12/1990 | DE3900647A1 Circuit arrangement for connecting different telecommunications devices to the analog exchange line |
| 07/11/1990 | EP0377426A2 Holding device for telephone sets or the like |
| 07/11/1990 | EP0377379A1 Automatic telephonic calling device |
| 07/10/1990 | US4941203 Two-way radio communication system having selectable operating modes |
| 07/10/1990 | US4941172 Preprogrammed autodialer and related process |
| 07/10/1990 | US4941168 System for the recognition of automated telephone answering devices and delivery of prerecorded messages to such devices |
| 07/10/1990 | US4941166 Muting circuit for telephone answering machine |
| 07/10/1990 | US4940859 Telephone cord take-up reel assembly |
| 07/10/1990 | CA1271575A1 Radio telephone apparatus |
| 07/10/1990 | CA1271574A1 Cordless telephone system |
| 07/05/1990 | DE3900051A1 Receiver capsule |
| 07/05/1990 | DE3900003A1 Operating device for appliances, in particular for transceivers |
| 07/04/1990 | EP0376866A1 Control device for a hands-free half duplex telephone set |
| 07/04/1990 | EP0376589A2 Self calibration arrangement for a voice switched speakerphone |
| 07/04/1990 | EP0376588A2 Computer controlled speakerphone for adapting to a communication line |
| 07/04/1990 | EP0376587A2 Acoustic calibration arrangement for a voice switched speakerphone |
| 07/04/1990 | EP0376582A2 Computer controlled adaptive speakerphone |
| 07/04/1990 | EP0376101A2 Access device for an ISDN connection of a public terminal |
| 07/04/1990 | EP0376066A1 Control apparatus |
| 07/04/1990 | CN1008680B System for interfacing a standard telephone set with a radio transceiver |
| 07/04/1990 | CA2004751A1 Swivel table |
| 07/03/1990 | US4939778 Telephone cord cover |
| 07/03/1990 | US4939777 Terminal apparatus having a function for preventing unnecessary line connection |
| 07/03/1990 | US4939775 Telephone ringing detector |
| 07/03/1990 | US4939774 Method for controlling a digital telephone set and a telephone set based on the same |
| 07/03/1990 | US4939773 Multiple party telephone control system |
| 07/03/1990 | US4939770 Cordless telephone with battery saving function |
| 07/03/1990 | US4939769 Cordless telephone system |
| 07/03/1990 | US4939768 Car telephone equipment having automatic calling function |
| 07/03/1990 | US4939766 Radio telephone system |
| 07/03/1990 | US4939765 Interlock circuit for preventing corruption of telephone line signals |
| 07/03/1990 | US4939470 Circuit for generating dual-tone multi-frequency signals and high/low-tone signals |
| 07/03/1990 | CA1271223A1 Radio telephone system comprising vacant channel detection |
| 06/29/1990 | CA2006777A1 Lockable telephone plug apparatus |
| 06/28/1990 | WO1990007213A1 A protection circuit |
| 06/28/1990 | WO1990007203A1 Solderless connecting block |
| 06/28/1990 | WO1990006739A1 Operator device |
| 06/28/1990 | DE3843083A1 Voltage supply for the microprocessor of a line-fed telephone station |
| 06/28/1990 | DE3842936A1 Subscriber terminal with time display |
| 06/28/1990 | CA2006190A1 Control device for a hand-free alternate operating telephone set |
| 06/27/1990 | EP0375361A2 Duplex communications method and system |
| 06/27/1990 | EP0375032A1 Method of establishing a data link between a pair of terminals as well as a terminal which is suitable for implementing this method |
| 06/27/1990 | EP0374828A1 Telephone connecting arrangement for a personal computer, and apparatus therefor |
| 06/27/1990 | CA2006702A1 Automatic telephonic calling device |
| 06/26/1990 | US4937877 Modular microphone assembly |
| 06/26/1990 | US4937860 Security device for a telephone instrument |
| 06/26/1990 | US4937859 Telephone handset for table and wall operation |
| 06/26/1990 | US4937858 Telephone handset with electro-acoustic converters electrically connected by a cord |
| 06/26/1990 | US4937854 Call screening device |
| 06/26/1990 | US4937853 Lottery agent data communication/telephone line interface |
| 06/26/1990 | US4937852 Corded to cordless telephone converter |
| 06/26/1990 | US4937464 Modular jack with loop testing switch |
| 06/26/1990 | US4937408 Self-illuminating panel switch |
| 06/26/1990 | CA1270968A1 Automatic dialing apparatus for establishing connections between authorized subscribers |
| 06/26/1990 | CA1270936A1 Junction box casing for telecommunications |
| 06/21/1990 | DE3941117A1 Operating equipment for manual control of multifunctional appts. - has operational function keys on main modular component for variety of appts. installed in subsidiary modules |
| 06/21/1990 | DE3842414A1 Information device for a motor vehicle |
| 06/20/1990 | EP0373887A2 Telephone ringing detector |
| 06/20/1990 | EP0373611A2 Cordless telephone |
| 06/20/1990 | EP0373387A1 Input unit for an information system in a motor vehicle |
| 06/20/1990 | EP0373386A2 Motor vehicle driver information apparatus |
| 06/20/1990 | CN2058547U Cordless telephone set |
| 06/20/1990 | CN1043237A Circuit arrangement for transmission means |
| 06/19/1990 | US4935957 Key telephone system |
| 06/19/1990 | US4935927 Base station emulator |
| 06/14/1990 | WO1990006662A1 Device for avoiding direct mouth and ear contact with the transmitter and receiver of public on private telephone handsets |
| 06/14/1990 | WO1990006649A1 Telephone circuits |
| 06/14/1990 | WO1990006648A1 Radiotelephone with repertory dialer |
| 06/14/1990 | WO1990006636A1 Two-way radio with voice storage |
| 06/14/1990 | WO1990006635A1 A radio transceiver |
| 06/13/1990 | EP0372965A2 A two-piece radio telephone |
| 06/13/1990 | EP0372894A2 Image communication apparatus |
| 06/13/1990 | EP0372877A2 Data communication apparatus |
| 06/13/1990 | EP0372616A1 Electronic telephone set |
| 06/13/1990 | DE3841814A1 Connection circuit |
| 06/12/1990 | US4933968 Telephone with automatic redial of number provided by information operator's computer |