Patents
Sitemap › H04 - Electric communication technique › H04M - Telephonic communication › H04M 11 - Telephonic communication systems specially adapted for combination with other electrical systems
Patents for H04M 11 - Telephonic communication systems specially adapted for combination with other electrical systems (53,055)
10/1990
10/25/1990CA2008035A1 Apparatus for telecommunication
10/24/1990EP0394096A1 Videotex terminal capable of telecopy reception
10/24/1990EP0393570A1 Videotex answering terminal
10/24/1990EP0393023A1 Communication network.
10/24/1990CN1010165B Multiple purpose signal system for building
10/23/1990US4965641 Processor modem
10/18/1990WO1990012473A1 Entertainment systems
10/17/1990EP0392915A1 Data transmission terminal for digital network compatible with terminals connected to the switched network
10/17/1990EP0392816A2 Modem voice/data mode switching arrangement
10/16/1990US4964154 Communication adapter device for use with a facsimile device combined with a computer
10/13/1990CA2014301A1 Videotext terminal usable as a fax copier
10/11/1990DE3910879A1 Door station of a domestic telephone system equipped with voice control
10/11/1990DE3910858A1 Circuit arrangement for door intercom and door-opening systems
10/10/1990EP0390931A1 Method of matching operation mode of a modem
10/09/1990US4962525 Method for the use of a telephone system with common signaling channel for the casting of votes
10/04/1990WO1990011661A1 Catalog ordering system with increased security
10/04/1990WO1990011660A1 Switching system for application service
10/03/1990EP0390170A2 Transmission system for still-picture TV telephone
10/03/1990EP0389492A1 Intelligent alarm apparatus with interfacing to a telephone network
10/03/1990CN2063324U Full-automatic telephone alarm
10/02/1990USRE33369 Remote control device using telephone circuit of electric apparatus
10/02/1990US4961217 Personal-servicing communication system
10/02/1990US4961215 Continuous radio announcer
10/02/1990US4961185 Method for controlling a terminal equipment coupled to an integrated services digital network and a terminal equipment based on the same
10/02/1990CA1274930A1 Personal alarm system providing handsfree operation
09/1990
09/25/1990US4959847 Telecommunications device with automatic code detection and switching
09/25/1990CA1274620A1 Codes related to the scheduling and real time recording start/stop
09/20/1990WO1990010988A1 A system and device for data transmission, and related method
09/20/1990DE3923635A1 Remote control device for computer system - using conversion of input signals into wave control signals before transmission to remote control receiver
09/19/1990EP0388093A2 Interactive facsimile system and method of information retrieval
09/19/1990EP0387338A1 Method and apparatus for controlling transmission of voice and data signals
09/18/1990US4958371 Method and apparatus for determining when a telephone handset is off-hook
09/18/1990CA1274330A1 Call devices
09/18/1990CA1274328A1 Method and a system for remotely switching an electrically operated device by the use of signals generated by a telephone
09/18/1990CA1274311A1 Postage meter recharging system
09/13/1990DE3907525A1 Method for driving communication-terminal-device-specific modules for producing, correcting and showing details of graphics
09/12/1990EP0387046A2 Communication system employing prepaid card
09/12/1990EP0386011A1 System for the automatic notification of message reception in an electronic messaging system
09/12/1990EP0313576A4 Gateway system and method for interconnecting telephone calls with a digital voice protected radio network
09/12/1990CN1009610B Home unit for wireless digital telephone system
09/05/1990EP0385483A2 Telephone communication apparatus and method
09/05/1990EP0385042A1 Method of adjusting the end of transmission in a modem
09/04/1990US4955051 Dictating apparaus which is remotely controlled utilizing a push-button telephone
09/04/1990CA1273689A1 Modem with improved handshaking capability
08/1990
08/30/1990DE4006172A1 Video telephone system with digital video data transmission - allows recording of video data together with date and time
08/29/1990CN1045009A Self-adaptive method and equipment for controlling power load
08/28/1990US4953204 Multilocation queuing for telephone calls
08/28/1990US4953199 Interface apparatus for communication terminal equipment units
08/28/1990US4953160 Digital data over voice communication
08/28/1990US4952785 Bar code generating apparatus for image communication terminal device
08/23/1990WO1990009714A1 Supervised, interactive alarm reporting system
08/23/1990DE4005365A1 Speech control system for communication device
08/23/1990DE4005171A1 Facsimile appts. coupled to telephone terminal
08/22/1990EP0383711A1 Modem with a secure alternative mode, particularly for a switched telephone network
08/22/1990EP0382837A1 Transient signal eliminating circuit for telecommunications applications
08/21/1990US4951309 Power-down modem
08/21/1990US4951156 Facsimile circuit monitor system
08/21/1990CA1273134A1 Telephone signal transmission device
08/16/1990EP0382601A1 Terminal for sound and visual communication with improved adjustments
08/16/1990EP0382544A2 Alarm system utilizing wireless communication path
08/16/1990EP0382212A2 Multi-media information service center and multi-media communication system
08/14/1990US4949372 Remote actuated command circuit for seizing telephone lines
08/14/1990US4949170 Video information transmission service system and head end device therefor
08/14/1990US4949169 Audio-video data interface for a high speed communication link in a video-graphics display window environment
08/09/1990WO1990009074A1 Computerized apparatus for public information and service
08/08/1990CN1044564A Recording and sending out telephone set with real-time prompting function
08/08/1990CN1044563A Automatical transfer method of telefax/telephone
08/01/1990EP0380315A2 TV phone communication system and apparatus therefor
08/01/1990EP0380160A1 Method of automatically selecting a data connection as well as a telephone set suitable for this method
07/1990
07/31/1990CA1272317A1 Subscriber unit for wireless digital telephone system
07/25/1990EP0195786B1 Telephone switching system adjunct call processing arrangement
07/25/1990CN1008962B Subscriber rf telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of rf channels
07/24/1990US4943997 Device for communicating a doorside intercom set with a remote telephone
07/24/1990US4943995 Semi-automated customer information system
07/24/1990US4943983 Subscriber unit for wireless digital telephone system
07/18/1990EP0378465A1 Modular surveillance system for industrial installations
07/18/1990CN1044021A Baseband data transmission method and computer local area net in telephone exchange
07/17/1990US4942616 Interactive synthesized speech quotation system for brokers
07/17/1990US4942599 Location identification
07/10/1990US4941173 Device and method to render secure the transfer of data between a videotex terminal and a server
07/10/1990CA1271563A1 Intelligent synchronous modem and communication system incorporating the same
07/04/1990EP0376527A2 Remote agent operation for automatic call distributors
07/03/1990US4939777 Terminal apparatus having a function for preventing unnecessary line connection
07/03/1990US4939772 Switching control apparatus for a communication terminal having a voice terminal device and a non-voice terminal device
07/03/1990CA1271277A1 Method for transmitting information of measure data and device implementing said method
07/03/1990CA1271276A1 Device for communication of a computer and a fax machine
06/1990
06/27/1990EP0375119A2 Improved method and apparatus for customer account servicing
06/27/1990EP0374949A2 Communication device connected to telephone line
06/27/1990EP0374828A1 Telephone connecting arrangement for a personal computer, and apparatus therefor
06/26/1990US4937857 Plural terminals communication controlling system
06/26/1990US4937855 Building security system
06/26/1990US4937853 Lottery agent data communication/telephone line interface
06/26/1990US4937851 Loop status verification system
06/26/1990US4937464 Modular jack with loop testing switch
06/26/1990EP0245469A4 Bi-directional data telemetry system.
06/26/1990CA1270960A1 Non coded information and companion data switching mechanism
06/21/1990DE3842880A1 Method and arrangement for storing information in a videotex system
06/20/1990EP0373921A2 A facsimile telegraph having a telephone function
06/20/1990EP0166741B1 A digital communications system
06/19/1990US4935952 Alarm-responsive apparatus and method
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