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Class Information
Number: 370/445
Name: Multiplex communications > Channel assignment techniques > Carrier sense multiple access (csma)
Description: Subject matter having a reservation scheme for reaching a communication medium in which a station is assigned a carrier; the idle state of a communication channel is determined by sensing the presence or absence of a carrier signal on the channel.










Sub-classes under this class:

Class Number Class Name Patents
370/447 Arbitration for access between contending stations 744
370/446 Using a star coupler 94


Patents under this class:
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Patent Number Title Of Patent Date Issued
5533025 Robust frequency management and acquisition in a wireless local area network that uses frequency-hopping radios Jul. 2, 1996
5530702 System for storage and communication of information Jun. 25, 1996
5530842 Generic backplane system which is configurable to serve different network access methods simultaneously Jun. 25, 1996
5519706 Dynamic user registration method in a mobile communications network May. 21, 1996
5519834 Method of transmitting selected message frames without individual destination address in non-overlapping sequential time intervals from host computer to terminals via bridges and retransmittin May. 21, 1996
5515035 Method and equipment for bidirectional data transmission (protocol) May. 7, 1996
5515374 Method and apparatus for hopping digital packet data signals May. 7, 1996
5509012 Multi-bus real-time message transmitter Apr. 16, 1996
5504738 Apparatus and method for full-duplex ethernet communications Apr. 2, 1996
5502724 Communication medium access control protocol for wireless communication Mar. 26, 1996
5499242 Circuit for distributed collision detection Mar. 12, 1996
5499247 Multiplex transmission system having plurality of nodes and common transmission line and using divided data areas Mar. 12, 1996
5489896 Network with a security capability Feb. 6, 1996
5485147 Method and apparatus for scheduling access to a CSMA communication medium Jan. 16, 1996
5483533 Traffic control system of local area network Jan. 9, 1996
5469437 Network chip with auto sensing and reconfiguration Nov. 21, 1995
5465254 Ring-type communication network Nov. 7, 1995
5455828 Carrier sensing multiple access/collision detection local area networks Oct. 3, 1995
5450594 Enhanced collision detection for ethernet network Sep. 12, 1995
5446735 Bandwidth allocation in a shared transmission channel employing CSMA/CD Aug. 29, 1995
5436617 Repeaters for digital data networks Jul. 25, 1995
5434872 Apparatus for automatic initiation of data transmission Jul. 18, 1995
5430762 Expandable repeater Jul. 4, 1995
5418784 Method and apparatus for use in a network of the ethernet type, to improve fairness by controlling the interpacket gap in the event of channel capture May. 23, 1995
5416780 Telecommunications system and protocol for avoiding message collisions on a multiplexed communications link May. 16, 1995
5414708 Method and apparatus for connecting nodes for a computer network May. 9, 1995
5412644 Serial bus system with a single-wire line May. 2, 1995
5410292 Method and system for communicating information within a dwelling or a property Apr. 25, 1995
5410535 Automatic selection of an interface for ethernet stations Apr. 25, 1995
5404137 High speed transition signalling communication system Apr. 4, 1995
5394391 Method of controlling the operation of a packet switched CDMA telecommunication network Feb. 28, 1995
5390039 Optical network for detecting collisions based on the reflection of a transmitting signal Feb. 14, 1995
5379289 Media access controller Jan. 3, 1995
5377188 Communication system capable of detecting missed messages Dec. 27, 1994
5365509 Method and apparatus for analyzing nodes on a computer network Nov. 15, 1994
5365515 Network monitor and test apparatus Nov. 15, 1994
5361261 Frame-based transmission of data Nov. 1, 1994
5353353 Repeater security system Oct. 4, 1994
5343472 Multiplex transmission system for use in vehicles Aug. 30, 1994
5341400 Method and apparatus for automatically sensing and configuring a termination in a bus-based network Aug. 23, 1994
5339307 Data communication system with a local network interface Aug. 16, 1994
5339313 Method and apparatus for traffic congestion control in a communication network bridge device Aug. 16, 1994
5335226 Communications system with reliable collision detection method and apparatus Aug. 2, 1994
5329519 Lan monitoring method and apparatus Jul. 12, 1994
5329528 Duplex communication control device Jul. 12, 1994
5315590 Selectable repeater port reconnection method and apparatus May. 24, 1994
5311114 Apparatus and method for full-duplex ethernet communications May. 10, 1994
5307509 Method for the transmission of data among mobile bodies or autonomous vehicles Apr. 26, 1994
5299194 Multiplex transmission system Mar. 29, 1994
5297141 Ethernet automatic adapter interface card Mar. 22, 1994

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