| Patents for H04L 5 - Arrangements affording multiple use of the transmission path (28,368) |
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| 03/22/1977 | US4013836 Data transmission and display system |
| 03/15/1977 | US4012593 Bidirectional repeater in data transmission system |
| 03/15/1977 | US4012590 Circuit arrangement for two-wire full duplex data transmission |
| 03/15/1977 | US4012589 Switching arrangement for transmitting data in time division multiplex systems |
| 03/08/1977 | US4011545 Computer and communications systems employing new architectures |
| 03/08/1977 | US4011412 Method of operating a PCM time-division multiplex telecommunication network |
| 02/22/1977 | US4009469 Loop communications system with method and apparatus for switch to secondary loop |
| 02/15/1977 | US4008378 Multi-radix digital communications system with time-frequency and phase-shift multiplexing |
| 02/08/1977 | US4007449 Control device for local connection of a peripheral unit through a modem interface for remote connection |
| 02/01/1977 | US4006302 Switching arrangement for extending the receiver stop pulse length in time division multiplex transmission |
| 01/18/1977 | US4004162 Clock signal reproducing network for PCM signal reception |
| 01/11/1977 | US4003032 Automatic terminal and line speed detector |
| 01/11/1977 | US4003001 Multi-line, multi-mode modulator using bandwidth reduction for digital FSK and DPSK modulation |
| 01/11/1977 | US4002846 Multiplexed digital transmission system with means for channel insertion and extraction |
| 01/11/1977 | US4002842 Time multiplex loop telecommunication system |
| 01/11/1977 | US4002834 PCM synchronization and multiplexing system |
| 01/04/1977 | US4001504 Automatic terminal data rate selection |
| 11/23/1976 | US3993867 Digital single signal line full duplex method and apparatus |
| 11/02/1976 | US3989892 Line concentrator for dealing with asynchronous and synchronous data signals in a common bit format for a time division data switching exchange |
| 10/26/1976 | US3988716 Computer interface system |
| 10/26/1976 | US3988544 Time-division switching network for switching multiformat multiplexed data |
| 10/19/1976 | US3987374 Multi-line, multi-mode modulator using bandwidth reduction for digital FSK and DPSK modulation |
| 10/12/1976 | US3986126 Serial pulse-code-modulated retiming system |
| 10/12/1976 | US3985962 Method of information transmission with priority scheme in a time-division multiplex communication system comprising a loop line |
| 10/05/1976 | US3984632 Circuit arrangement for the time division multiplex transmission of asynchronously occurring binary values of data |
| 09/28/1976 | US3983324 Full duplex driver/receiver |
| 09/28/1976 | US3983323 Full-duplex digital transmission line system |
| 09/21/1976 | US3982077 Asynchronous multiplexer and demultiplexer combination |
| 09/21/1976 | US3982074 Automatic channel assignment circuit |
| 09/21/1976 | US3982061 Data transfer control apparatus |
| 09/14/1976 | US3980954 Bidirectional communication system for electrical power networks |
| 09/14/1976 | US3980953 Delta modulation system employing digital frame averaging |
| 09/07/1976 | US3979723 Digital data communication network and control system therefor |
| 09/07/1976 | US3979719 Multiple block binary synchronous duplex communications system and its method of operation |
| 09/07/1976 | US3979561 Level-code encoded multiplexer |
| 08/17/1976 | US3975594 Apparatus utilizing a phantom circuit for connecting additional subscribers to a telecommunication system |
| 08/17/1976 | US3975593 Time division multiplex system and method for the transmission of binary data |
| 08/10/1976 | US3974339 Method of transmitting digital information in a time-division multiplex telecommunication network |
| 07/20/1976 | US3970799 Common control signaling extraction circuit |
| 07/20/1976 | US3970784 Transmission system |
| 07/13/1976 | US3969617 Multichannel digital modulator |
| 07/06/1976 | US3968477 Control apparatus for electrical devices |
| 06/29/1976 | US3967059 Bi-directional logic system |
| 06/29/1976 | US3967058 Two wires time sharing two way full duplex communication system |
| 06/15/1976 | US3963871 Analysis device for establishing the binary value of asynchronous data signals |
| 06/01/1976 | US3961139 Time division multiplexed loop communication system with dynamic allocation of channels |
| 06/01/1976 | US3961138 Asynchronous bit-serial data receiver |
| 05/25/1976 | US3959595 Concentrator |
| 05/25/1976 | US3959594 Arrangement and method for the localized self-control of randomly allotted time slots to audio ports |
| 05/25/1976 | US3959586 Frequency burst communication system |
| 05/18/1976 | US3958191 Multi-line, multi-mode modulator using bandwidth reduction for digital fsk and dpsk modulation |
| 05/18/1976 | US3958082 Circuit arrangement for controlling of amplification devices in a semi-duplex data signal transmission system |
| 05/04/1976 | US3955188 Encoding technique for enabling a device to process different types of digital information transmitted along a single information channel |
| 05/04/1976 | US3955051 Data set with bridge for duplex operation |
| 04/27/1976 | US3953835 Method and apparatus for adapting a data processing port to receive and transmit different frequency signals |
| 04/20/1976 | US3952286 Time multiplexed electric wiring system for control and monitoring of field points |
| 04/13/1976 | US3950616 Alignment of bytes in a digital data bit stream |
| 03/23/1976 | US3946380 Remote supervision and control system |
| 03/23/1976 | US3946362 Time division multiple transmission control apparatus |
| 03/16/1976 | US3944981 Electrical wiring system |
| 03/09/1976 | US3943348 Apparatus for monitoring the operation of a data processing communication system |
| 03/09/1976 | US3943285 Multiplexed data modem |
| 03/09/1976 | US3943284 Digital data communication system featuring multi level asynchronous duplex operation |
| 03/09/1976 | US3943283 Bidirectional single wire data transmission and wrap control |
| 02/10/1976 | US3938144 Digital multiplexing system remote scanning of a plurality of monitoring points |
| 02/10/1976 | US3937882 Full-duplex communication system on a two wire line |
| 01/27/1976 | US3935480 Broad band directional signal generator |
| 01/06/1976 | US3931472 Asynchronous quadriphase communications system and method |