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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
5805597 Method and apparatus for providing low power basic telephony type service over a twisted pair ethernet physical layer Sep. 8, 1998
5784559 Full duplex flow control for ethernet networks Jul. 21, 1998
5777996 Inter-repeater backplane for allowing hot-swapping of individual repeater circuits Jul. 7, 1998
5774468 Terminal unit for wireless communication network Jun. 30, 1998
5774658 Arrangement for accessing media in a network having universal multiple access nodes and carrier sense nodes Jun. 30, 1998
5764629 Method and apparatus for avoiding collisions in an electronic business set terminal Jun. 9, 1998
5757790 Packet communication system capable of rapidly confirming receipt of downward packet signals May. 26, 1998
5751713 Communicating system May. 12, 1998
5745483 Wireless computer network communication system and method having at least two groups of wireless terminals Apr. 28, 1998
5742833 Programmable power management system and method for network computer stations Apr. 21, 1998
5732094 Method for automatic initiation of data transmission Mar. 24, 1998
5726976 Congestion sense controlled access for a star configured network Mar. 10, 1998
5719869 Nonsynchronous communication controller for AV system Feb. 17, 1998
5715407 Process and apparatus for collision detection on a parallel bus by monitoring a first line of the bus during even bus cycles for indications of overlapping packets Feb. 3, 1998
5712860 Methods and system for using multi-block bursts in half duplex subscriber unit transmissions Jan. 27, 1998
5706274 CSMA with dynamic persistence Jan. 6, 1998
5696764 ATM exchange for monitoring congestion and allocating and transmitting bandwidth-guaranteed and non-bandwidth-guaranteed connection calls Dec. 9, 1997
5691979 Signaling protocol for an infrastructureless communication system and method of using same Nov. 25, 1997
5692127 System for transmitting multiple pulses PPM control signal to wireless device to indicate collision in a wired network while placing data on the network Nov. 25, 1997
5689510 Data transmission installation of the radio network type, and corresponding method Nov. 18, 1997
5682381 Wireless LAN system Oct. 28, 1997
5671249 Inter-repeater backplane with synchronous/asynchronous dual mode operation Sep. 23, 1997
5663960 Chaining arrangement between intermediate modules, particularly of repeater type, of an installation provided with terminals communicating via a packets transmission link, and an installation Sep. 2, 1997
5661726 Advanced communication system architecture Aug. 26, 1997
5661727 Schemes to determine presence of hidden terminals in wireless networks environment and to switch between them Aug. 26, 1997
5657326 Radio based collision detection for wireless communication system Aug. 12, 1997
5651003 Stackable data cell switch architecture Jul. 22, 1997
5651008 Method and circuit arrangement for coordinating access by a plurality of information sources to a bus Jul. 22, 1997
5648959 Inter-module interconnect for simultaneous use with distributed LAN repeaters and stations Jul. 15, 1997
5640390 Wireless communication network system Jun. 17, 1997
5638378 Method of operating a communication system Jun. 10, 1997
5636213 Method, transceiver, and system for providing wireless communication compatible with 10BASE-T Ethernet Jun. 3, 1997
5636214 Backplane architecture for stackable ethernet repeater Jun. 3, 1997
5627828 Method and circuit for detecting data collisions in communication network May. 6, 1997
5619530 Method and apparatus for detecting and handling collisions in a radio communication system Apr. 8, 1997
5610903 Auto negotiation system for a communications network Mar. 11, 1997
5608729 Method and apparatus for providing two-way data communication cover a widely distributed network Mar. 4, 1997
5604869 System and method for sending and responding to information requests in a communications network Feb. 18, 1997
5594426 Network station and network management system Jan. 14, 1997
5592483 Data communication apparatus achieving efficient use of the media Jan. 7, 1997
5577023 Method and apparatus for automatic configuration of a network connection Nov. 19, 1996
5577069 Signalling method and structure suitable for out-of-band information transfer in communication network Nov. 19, 1996
5574722 Protocol independent switch Nov. 12, 1996
5574726 Inter-repeater backplane Nov. 12, 1996
5572511 Auto-adjustment circuit for collision detection of ethernet Nov. 5, 1996
5565745 Communications protocol Oct. 15, 1996
5566160 Media attachment unit management interface Oct. 15, 1996
5553071 Communication system topology providing dynamic allocation of B-channels Sep. 3, 1996
5553316 Power control method in a wireless communication system Sep. 3, 1996
5537651 Programmable interface, notably for the control of domestic installations Jul. 16, 1996

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