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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
6807146 Protocols for scalable communication system using overland signals and multi-carrier frequency communication Oct. 19, 2004
6804222 In-band Qos signaling reference model for QoS-driven wireless LANs Oct. 12, 2004
6804193 Protected Ethernet backplane communication Oct. 12, 2004
6801538 Method and device for controlling outliers in offered load estimation in a shared medium communication network Oct. 5, 2004
6799054 Collaboration between wireless LAN access points using wired lan infrastructure Sep. 28, 2004
6795449 Method of staining target interphase chromosomal DNA Sep. 21, 2004
6781978 Method for transmitting collision-free messages in a communication system and apparatus therefor Aug. 24, 2004
6778551 Collision control systems and methods utilizing an inter-frame gap code counter Aug. 17, 2004
6771643 Interconnecting packet switches Aug. 3, 2004
6768749 Dual-channel communications protocol providing enhanced capabilities for modems Jul. 27, 2004
6763034 Connection ports for interconnecting modules in an integrated circuit Jul. 13, 2004
6760308 Adaptive transmission in multi-access asynchronous channels Jul. 6, 2004
6754196 Method and apparatus for increasing the effective bandwidth within a digital wireless network Jun. 22, 2004
6751231 Methods and apparatus for providing quality of service guarantees in computer networks Jun. 15, 2004
6738638 Radio communication system May. 18, 2004
6735217 Method and apparatus for detecting collisions on a network using multi-cycle waveform pulses May. 11, 2004
6735635 Dynamic preamble configuration on a shared bus May. 11, 2004
6717941 Method and apparatus for early termination of frame data Apr. 6, 2004
6714558 System for implementing network protocols between devices on a printed circuit board Mar. 30, 2004
6711131 Data transmitting apparatus, network interface apparatus, and data transmitting system Mar. 23, 2004
6708232 Data migration method, protocol converter and switching apparatus using it Mar. 16, 2004
6697887 System and method for interfacing between a media access controller and a number of physical layer devices using data addressing Feb. 24, 2004
6680911 Device for controlling data flow in ethernet and method thereof Jan. 20, 2004
6680915 Distributed computing system using virtual buses and data communication method for the same Jan. 20, 2004
6680950 Collision avoidance technique for a multiple access radio communication system Jan. 20, 2004
6665275 Network device including automatic detection of duplex mismatch Dec. 16, 2003
6665307 Variable fast page mode Dec. 16, 2003
6661804 Methods and apparatus for providing quality-of-service guarantees in computer networks Dec. 9, 2003
6657951 Backup CRF VLAN Dec. 2, 2003
6650654 Early preamble transmission Nov. 18, 2003
6643296 System for controlling frame collision Nov. 4, 2003
6636526 Signal sending-and-receiving circuit and self ID process for node-to-node communications in serial-bus network Oct. 21, 2003
6636738 Radio-network control apparatus and radio-network control method Oct. 21, 2003
6625162 Method and apparatus for data transmission with control over access to a transmission medium Sep. 23, 2003
6625163 Collision detection on a differential bus Sep. 23, 2003
6621826 Transmission control method Sep. 16, 2003
6603741 Monitoring of connection between network devices in a packet-based communication system Aug. 5, 2003
6587473 Information network access apparatus and methods for communicating information packets via telephone lines Jul. 1, 2003
6580697 Advanced ethernet auto negotiation Jun. 17, 2003
6580724 Method of preventing data destruction in multiplex communication system Jun. 17, 2003
6577630 Self-configuring source-aware bridging for noisy media Jun. 10, 2003
6556561 Data network for real time information Apr. 29, 2003
6538985 Channel reservation media access control protocol using orthogonal frequency division multiplexing Mar. 25, 2003
6539028 CSMA/CD wireless LAN Mar. 25, 2003
6522635 Communication protocol for satellite data processing Feb. 18, 2003
6522650 Multicast and broadcast transmission with partial ARQ Feb. 18, 2003
6522661 Method for improving fairness in use of network Feb. 18, 2003
6519229 Transmission path interface apparatus Feb. 11, 2003
6516364 Method for time coordination of the transmission of data on a bus Feb. 4, 2003
6501764 Method of and apparatus for realizing priority data transmissions for CSMA/CD system Dec. 31, 2002

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