Patents
Patents for H04L 5 - Arrangements affording multiple use of the transmission path (28,368)
02/1993
02/24/1993EP0528491A2 Telecommunication system with a line for digital duplex traffic, comprising an arrangement for tapping the digital duplex traffic, and arrangement to be used in the telecommunication system
02/24/1993EP0476127A4 Integrated cellular communications system
02/24/1993EP0159326B1 Digital signal processor modem
02/24/1993CN1069372A Method for bidirectional digital data transmission on optical waveguide and device therefor
02/16/1993US5187711 Error correction method for multicarrier radio transmission system
02/10/1993CN1068923A Prioritized data transfer method and apparatus for radiotelephone peripheral
02/09/1993US5185591 Power distribution line communication system for and method of reducing effects of signal cancellation
02/04/1993DE4125711A1 Duplex signal transmission over bidirectional open-collector lines - is achieved by logic circuit authorising transmission in direction first featuring low-level signal at input
01/1993
01/27/1993EP0524390A2 Optical fiber bidirectional data transmission
01/27/1993EP0524306A1 Method for the binary coding of points of a constellation used in a multicarrier modulation of the ofdm type
01/27/1993CA2069664A1 Bidirectional data transmission on an optical waveguide
01/26/1993US5182762 Modem having speed notifying means
01/21/1993WO1993001660A1 Power distribution line communication system for reducing effects of signal cancellation
01/20/1993EP0523362A2 Broadcast-initiated bipartite frame multi-access protocoll
01/19/1993WO1993002531A1 Prioritized data transfer method and apparatus for a radiotelephone peripheral
01/13/1993EP0470126A4 Digital radio communication system and two way-radio
01/12/1993US5179571 Spread spectrum cellular handoff apparatus and method
01/07/1993EP0521253A2 Method of bidirectional data communication
01/05/1993US5177768 Spread-time code division multiple access technique with arbitrary spectral shaping
01/05/1993US5177738 Process and a monolithically integrated device for speed adaptation for integrated services digital network (isdn)
01/05/1993US5177604 Interactive television and data transmission system
12/1992
12/29/1992US5175744 Spread-time code division multiple access technique with arbitrary spectral shaping
12/29/1992US5175743 Spread-time code division multiple access technique with arbitrary spectral shaping
12/23/1992EP0519733A2 Data transmitter and receiver and the data control method thereof
12/22/1992US5173923 Spread-time code division multiple access technique with arbitrary spectral shaping
12/16/1992EP0289526B1 Adaptive threshold sampling method
12/15/1992US5172246 Image communication method and apparatus
12/09/1992EP0517177A2 Method of simultaneous bidirectional data transmission
12/08/1992CA2070579A1 Signal transmitter-receiver system
12/07/1992WO1992022151A1 Communications network and method
12/02/1992EP0516232A1 Apparatus allowing the transmission of data with a variable bit rate between a modem and a synchronous terminal
12/01/1992US5168494 Method for transmitting a digital broadband signal in a tributary unit concatenation via a network of a synchronous digital multiplex hierarchy
12/01/1992CA2069856A1 Arrangement permitting variable-rate data transfer between a modem and a synchronous terminal
11/1992
11/30/1992WO1992022161A1 Fully meshed cdma network for personal communications terminals
11/30/1992CA2108459A1 Fully meshed cdma network for personal communications terminals
11/25/1992EP0514462A1 Multiple buffer time division multiplexing ring
11/24/1992US5166951 High capacity spread spectrum channel
11/24/1992CA1310769C Timing generator
11/24/1992CA1310758C Method and apparatus for encoding and transmitting signals
11/24/1992CA1310701C Method and device for the digital transmission of information in short-wave radio networks
11/24/1992CA1310696C Alternating sequential half duplex communication system
11/19/1992EP0513527A2 High speed two wire modem
11/19/1992EP0513313A1 Method for resetting the local oscillators of a receiver and device for implementing such method.
11/18/1992CN1066360A Automatic frequency selection in bi-directional cable televison system
11/17/1992US5164719 Radio system for data transmission with passive terminal station
11/17/1992CA1310370C Packet data communication system
11/10/1992US5163044 For use in a communication system
11/08/1992CA2041947A1 Communication system capable of broadcast messaging and transponder polling
11/04/1992EP0511706A2 Bi-directional signal transmission system
11/03/1992US5161168 Spread spectrum CDMA communications system microwave overlay
11/03/1992US5160929 System for parallel communication of binary data via trinary transmission lines
11/03/1992CA1309764C Method of operating a packet switching network
10/1992
10/29/1992DE4113613A1 Data direction control for half-duplex bidirectional transmission - involves recognition and storage of direction in trigger circuit while contrary traffic is blocked by logic
10/28/1992EP0510504A2 Use of "ping-pong" for optical transmission
10/27/1992US5159590 Multi-slot call relocation control method and system
10/27/1992CA2066972A1 Process for bidirectional transmission of data
10/27/1992CA1309519C Transfer of messages in a multiplexed system
10/21/1992EP0509548A2 Digital cellular switching system with means for securing uninterrupted data transparency during handoffs
10/21/1992CN1065570A Switch for multiplexes
10/20/1992US5157687 Hand-held bar code reader
10/20/1992US5157599 Serial data communication system and apparatus
10/14/1992CN1018691B Method and equipment for large-capacity regional communication transmitted with optical fibre system
10/13/1992US5155846 System monitoring replies to continuously transmitted signal and discontinuing signal to force reset of remote system using watchdog timer
10/13/1992US5155726 Station-to-station full duplex communication in a token ring local area network
10/13/1992US5155590 System for data channel level control
10/07/1992EP0507410A1 A wide-band communication network and a method for tracing disturbances therein
09/1992
09/30/1992CN1018505B Interactive television and data transmission system
09/23/1992EP0505306A2 Control circuit for half-duplex/simplex interface in communication system
09/23/1992EP0505281A1 Synchronisation of terminal stations in a multirate half duplex tree network
09/23/1992CN1018417B Method for capacity-variable regional communication transmitted with optical fibre system
09/22/1992US5150363 Serial input/output multiplexing apparatus
09/22/1992US5150359 Multiplexed synchronous/asynchronous data bus
09/22/1992US5150112 Interface for use between two communication units
09/20/1992WO1992017010A1 Automatic frequency selection in a bi-directional cable television system
09/20/1992CA2106599A1 Automatic frequency selection in a bi-directional cable television system
09/16/1992EP0504063A1 Transceiver for the simultaneous bidirectional baseband transmission of data
09/16/1992EP0504061A1 Method and circuit for testing serial bidirectional transmissions
09/16/1992EP0504060A1 Method and circuit for transmission detection in bidirectional differential links
09/03/1992WO1992015154A1 Panel display of channel and system status information for multichannel communications device
09/01/1992US5144623 System for receiving and processing hdlc frames on a time division multiplex pcm type link, especially for a data switch
09/01/1992US5144305 Transmission arrangement comprising a block code encoded main channel and an auxiliary channel
08/1992
08/27/1992DE4105468A1 Asynchronous data transmission circuit - uses interleaving of transmitted information block time slots for both transmission directions
08/26/1992EP0499763A1 DCE and method for processing data received in a DCE allowing multiple operating configurations
08/25/1992US5142690 Cable television radio frequency data processor
08/25/1992US5142550 Packet data communication system
08/20/1992WO1992014307A1 Method of achieving a closed synchronization loop for two-way communication between a transponder and an interrogator, where different frequencies can be used for the communication between the interrogator and the transponder
08/13/1992WO1992014316A1 Method for the binary coding of points of a constellation used in a multicarrier modulation of the ofdm type
08/13/1992CA2079999A1 Method for the binary coding of points of a constellation used in a multicarrier modulation of the ofdm type
08/12/1992EP0498177A2 Method and arrangement for generation of transmission multiplex signal and for synchronization of a reception multiplex signal on the transmission multiplex signal
08/12/1992CN1017859B Method of transmitting wide-band digital signal in subsystem cellular chains by synchron digital multiplex hierarchy network
08/05/1992EP0496986A2 Packet data communication system
08/04/1992US5136576 Transmission system
08/04/1992CA1306021C Method of quadrature-phase amplitude modulation
08/02/1992WO1992014325A1 Transmission of multiple carrier signals in a nonlinear system
08/02/1992CA2101071A1 Transmission of multiple carrier signals in a nonlinear system
07/1992
07/29/1992EP0496498A2 Time-division duplex radio transceiver
07/21/1992US5132989 Method of transmitting a sequence of m binary words of "p" bits and transmission arrangement implementing this method
07/21/1992US5132987 Bidirectional communication line buffer apparatus
07/14/1992US5131013 Asynchronous-synchronous digital transmission signal conversion
07/07/1992CA1304842C Basic pulse frame and method for a digital signal multiplex hierarchy