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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
6493351 Collision detection on a differential bus Dec. 10, 2002
6487214 Method and apparatus for implementing an ethernet protocol using three wires Nov. 26, 2002
6483846 Middleware-based real-time communication system Nov. 19, 2002
6483847 Arbitration scheme for a serial interface Nov. 19, 2002
6473414 Carrier sense collision avoidance with auto abort Oct. 29, 2002
6469997 Method for transmitting collision-free messages in a digital selective call signaling protocol Oct. 22, 2002
6470053 Methods and arrangements for transmitting data over twisted pair wire using RF modulation techniques Oct. 22, 2002
6459704 Method and system for radio-location determination Oct. 1, 2002
6456597 Discovery of unknown MAC addresses using load balancing switch protocols Sep. 24, 2002
6449282 Method for random-access communication with binary feedback Sep. 10, 2002
6449283 Methods and apparatus for providing a fast ring reservation arbitration Sep. 10, 2002
6442173 Timing recovery scheme for a discrete multitone transmission system Aug. 27, 2002
6438109 Method to establish a home network on multiple physical layers Aug. 20, 2002
6438128 Alternate use of data packet fields to convey information Aug. 20, 2002
6434112 Frame transmission method Aug. 13, 2002
6434132 Wireless LAN for reestablishing wireless links between hosts according to monitored desired and undesired signals Aug. 13, 2002
6430172 Radio communication system, transmitting apparatus, radio communication control apparatus, receiving apparatus, and radio communication method Aug. 6, 2002
6421352 Data processing apparatus capable of independently interrupting transmission data Jul. 16, 2002
6418136 Announced dynamic access probability protocol for shared bandwidth networks Jul. 9, 2002
6404756 Methods and apparatus for coordinating channel access to shared parallel data channels Jun. 11, 2002
6400725 Fairness scheme for a serial interface Jun. 4, 2002
6400752 Wireless computer network communication system and method which determines an available spreading code Jun. 4, 2002
6396841 Dual-speed stackable repeater with internal bridge for cascading or speed-linking May. 28, 2002
6389034 System for providing stream based and packet based services May. 14, 2002
6385669 Method and apparatus for the detection of the presence of a device on a high speed digital data bus May. 7, 2002
6381213 Method and apparatus for detecting collisions on a network Apr. 30, 2002
6377998 Method and apparatus for performing frame processing for a network Apr. 23, 2002
6373376 AC synchronization with miswire detection for a multi-node serial communication system Apr. 16, 2002
6373851 Ethernet based network to control electronic devices Apr. 16, 2002
6369424 Field effect transistor having high breakdown withstand capacity Apr. 9, 2002
6366567 Automatic detection of full or half duplex capability in a remote network device Apr. 2, 2002
6366572 Wireless communication system with symmetric communication protocol Apr. 2, 2002
6353617 Method for accessing a communication medium Mar. 5, 2002
6348874 Power distribution to nodes in a distributed system Feb. 19, 2002
6347345 Information transfer apparatus having control unit with BTL transceiver applying transmission enable signal inputted from ethernet processor module through backplane to control unit Feb. 12, 2002
6339599 Collision handling scheme for discrete multi-tone data communications network Jan. 15, 2002
6327264 Information network access apparatus and methods for communicating information packets via telephone lines Dec. 4, 2001
6320870 Method and apparatus for flow control on a switched CSMA/CD network implementing BLAM Nov. 20, 2001
6307862 Method and apparatus for monitoring and controlling a local area network Oct. 23, 2001
6298398 Method to provide checking on data transferred through fibre channel adapter cards Oct. 2, 2001
6292467 Apparatus and method of determining a link status between network stations connected to a telephone line medium Sep. 18, 2001
6292493 Method and apparatus for detecting collisions on and controlling access to a transmission channel Sep. 18, 2001
6289024 Structure for the connection of a plurality of electronic devices to an ARINC 629 type bus Sep. 11, 2001
6275476 Method of addressing messages and communications system Aug. 14, 2001
6275884 Method for interconnecting components within a data processing system Aug. 14, 2001
6249512 Data transmission system and its control method and multiplexing method Jun. 19, 2001
6246693 One-way packet communication channel with retransmissions Jun. 12, 2001
6243364 Upstream access method in bidirectional telecommunication system Jun. 5, 2001
6243826 Redundant network management system for a stakable fast ethernet repeater Jun. 5, 2001
6240101 Bi-directional daisy-chain cascading of network repeaters May. 29, 2001

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