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)
04/1984
04/10/1984US4442502 Digital information switching system
04/10/1984US4442320 Remote subscriber interaction system
04/10/1984US4442319 Telephone accessible appliance control system
04/10/1984US4442318 Portable bi-directional data communication terminal
04/04/1984EP0104456A2 Video display telephone
04/03/1984US4441180 Service integrated communication transmission and interchange system
04/03/1984US4440986 Microprocessor controller for simultaneously controlling a PBX and providing multiple user access for general purpose data processing
04/03/1984US4440977 Pushbutton decoder and printer
04/03/1984CA1165027A1 Telephone set
03/1984
03/29/1984WO1984001246A1 Bulk/interactive data switching system
03/27/1984US4439638 Sound-activated code-controlled detection system for telephones and the like
03/27/1984CA1164590A1 Subscriber loop system for voice and data
03/21/1984EP0103324A2 Simultaneous voice and data transmission circuit having a digital loop transceiver
03/20/1984US4438527 Signal responsive automatic control for audio equipment
03/20/1984US4438295 Remote temperature control activation apparatus
03/15/1984WO1984001072A1 Automatic audience survey system
03/13/1984US4436958 System using the telephone network to control locks at a number of remote locations
03/13/1984CA1163686A1 Digital device for discriminating digitized speech/data signals
03/07/1984EP0102064A2 Circuit arrangement for connecting a modem to a telephone line
03/07/1984EP0101788A2 Accumulator and transponder for time related data
03/06/1984US4435804 Sub-signal transmitting system
03/06/1984CA1163342A1 Communication subsystem with an automatic abort upon transmit underrun
03/01/1984WO1984000868A1 Electronic locating system for persons receiving telephone calls
02/1984
02/28/1984US4434486 Self-switched data port in-band signaling protocol
02/28/1984US4434326 Circuit arrangement for establishing and terminating a data connection
02/21/1984US4433212 Telephone line interface circuit
02/21/1984CA1162667A1 Bandwidth reduction method and structure for combining voice and data in a pcm channel
02/15/1984EP0100704A1 Videocommunication network between videophone terminals and an image bank
02/14/1984US4431991 Encoder for transmitted message deactivation code
02/14/1984US4431872 Telecommunication receivers
02/14/1984CA1162336A1 System for entering and processing gamble stakes
02/14/1984CA1162278A1 Digital signal subscriber loop and interface circuit
02/07/1984US4430731 Video and data distribution module with subscriber terminal
02/07/1984EP0088786A4 Method and arrangement for signaling the transmission mode of a communication system.
01/1984
01/31/1984US4428381 For transtelephonic monitoring of acoustic clicks of prosthetic heart valve
01/24/1984USRE31510 Signal multiplexing circuit
01/24/1984US4427980 Encoder for transmitted message activation code
01/24/1984US4427848 Telephonic alphanumeric data transmission system
01/24/1984US4427847 Television/telephone system with annunciator and intercom feature
01/24/1984CA1161156A1 Method and apparatus for interrupting a facsimile transmission
01/17/1984US4426729 Partial band - whole band energy discriminator
01/17/1984US4426555 Telephone communications device for hearing-impaired person
01/17/1984CA1160776A1 Apparatus for and method of collating partitioned time disordered synchronous data streams
01/17/1984CA1160768A1 Service integrated digital transmission system
01/17/1984CA1160713A1 Variable timing system
01/11/1984EP0097930A1 Method and device for automatized data communication with a telephone terminal with data capability
01/11/1984EP0097710A1 Telephonic alphanumeric data transmission system.
01/10/1984US4425661 Data under voice communications system
01/10/1984US4425642 Simultaneous transmission of two information signals within a band-limited communications channel
01/10/1984US4425625 Diagnostic display terminal system
01/10/1984US4425512 Power supply system
01/10/1984CA1160375A1 Remote supervising apparatus
01/10/1984CA1160311A1 Central station alarm reporting system
01/10/1984CA1160306A1 Apparatus for signalling system
01/04/1984EP0097314A2 Telephone line interface circuit
12/1983
12/28/1983EP0096886A1 Alarm system
12/27/1983US4423416 Decoder for transmitted message deactivation code
12/21/1983EP0096401A1 Automatic dialing system
12/20/1983US4421951 Method and arrangement for signaling the transmission mode of a communication system
12/20/1983US4421950 Communication device having coupling means
12/20/1983CA1159173A2 Digital data transmission system modem
12/20/1983CA1159172A1 Television receiver with two-way telephone conversation capability
12/13/1983CA1158789A1 Filters comprising reactive components, and a method of determining impedances thereof
12/13/1983CA1158787A1 Service integrated communication transmission and interchange system
12/13/1983CA1158739A1 Distributed network synchronization system
12/13/1983CA1158738A1 Video and data distribution module with subscriber terminal
12/08/1983WO1983004362A1 Remote control device for electrical device using telephone channel
11/1983
11/29/1983US4418416 Frequency modulation transmitter for voice or data
11/29/1983US4418384 Communication subsystem with an automatic abort transmission upon transmit underrun
11/29/1983US4418244 Bistable switch remotely operable over telephone line
11/22/1983US4417100 Emergency dialer system
11/15/1983US4415774 Line powered modem automatic answer device powered from equipment
11/15/1983US4415771 Public alert and advisory systems
11/15/1983US4415769 Electromagnetic telephone coupling device
11/15/1983CA1157123A1 Automatic meter reading and control system
11/15/1983CA1157122A1 Automatic meter reading and control system
11/08/1983US4414432 Pseudo-full duplex television/telephone loudspeaker system
11/01/1983US4413337 Time division switching system for circuit mode and packet mode lines
11/01/1983CA1156349A1 Buffer memory dispersion type video/audio transmission system with spatially and timewise divided inter-office junction lines
10/1983
10/26/1983EP0092084A2 Telephone device with an integrated electronic message transmitter
10/26/1983EP0092083A2 Electronic message sender for transmitting and/or recording messages on a telephone line
10/25/1983US4412217 Pager with visible display indicating status of memory
10/11/1983US4409437 Apparatus for indicating telephone line state
10/11/1983CA1155243A1 Apparatus and method for remote sensor monitoring, metering and control
10/06/1983EP0082200A4 Processor facilities for integrated packet and voice switching.
10/04/1983US4408323 Processor facilities for integrated packet and voice switching
10/04/1983US4408099 Radio paging system capable of accepting message with access of paging receiver
10/04/1983CA1154888A1 System for the exchange and distribution of information over a subscribers' telephone network
09/1983
09/29/1983WO1983003328A1 Multiple access data communication system control
09/29/1983EP0079380A4 Pictorial information processing technique.
09/21/1983EP0088786A1 Method and arrangement for signaling the transmission mode of a communication system.
09/14/1983EP0088331A2 Remote dictation transcription system
09/06/1983US4403322 Voice signal converting device
09/06/1983CA1153441A1 Apparatus for monitoring and signalling system
09/01/1983WO1983003036A1 Telecommunication system for transmitting data information by means of a digital exchange
08/1983
08/30/1983US4402073 Speech and data communication network
08/30/1983US4401847 Telephone communication system
08/30/1983CA1153138A1 Telephone-adapter apparatus for a dictation unit
08/24/1983EP0086688A1 Method for remote control and remote monitoring and apparatuses for carrying out this method
08/23/1983CA1152653A1 Multiple-channel voice input/output system
1 ... 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531