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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
6049548 Multi-access CS-P/CD-E system and protocols on satellite channels applicable to a group of mobile users in close proximity Apr. 11, 2000
6049549 Adaptive media control Apr. 11, 2000
6044084 Collision detection for packet-switched multiple-path communication system Mar. 28, 2000
6038215 Network system and communication device Mar. 14, 2000
6034603 Radio tag system and method with improved tag interference avoidance Mar. 7, 2000
6035333 Method and system for providing congestion control in a data communications network Mar. 7, 2000
6026075 Flow control mechanism Feb. 15, 2000
6026150 Network protocol--based home entertainment network Feb. 15, 2000
6023604 Transmission control apparatus and method of earth station for satellite communication Feb. 8, 2000
6009104 Apparatus and method for selectively modulating interpacket gap interval following a collision to avoid capture effect Dec. 28, 1999
6002675 Method and apparatus for controlling transmission of data over a network Dec. 14, 1999
5995488 Method and apparatus for regulating data flow in networks Nov. 30, 1999
5995549 Network system using low-speed preamble for linking user nodes using high speed CSMA/CD communication Nov. 30, 1999
5991303 Multi-rate switching physical device for a mixed communication rate ethernet repeater Nov. 23, 1999
5987033 Wireless lan with enhanced capture provision Nov. 16, 1999
5982778 Arrangement for regulating packet flow rate in shared-medium, point-to-point, and switched networks Nov. 9, 1999
5978352 Multiplex transmission system Nov. 2, 1999
5978383 Repeaters for reducing collisions in an ethernet network Nov. 2, 1999
5978384 Introducing inter-packet gaps in network transmissions Nov. 2, 1999
5974034 System and method for synchronized wide and local area communications utilizing a single frequency Oct. 26, 1999
5966382 Network communications using sine waves Oct. 12, 1999
5963539 Method and apparatus for detecting collisions on a network Oct. 5, 1999
5963559 Radio transmission with a slow transmission mode used when retransmission of a data frame fails even repeated Oct. 5, 1999
5960034 Expandable repeater with built-in tree structure arbitration logic Sep. 28, 1999
5940399 Methods of collision control in CSMA local area network Aug. 17, 1999
5940400 Method, device, wireless transceiver and computer for providing collision detection in wireless carrier sense multiple access systems Aug. 17, 1999
5940401 Carrier extension for gigabit/second ethernet networks operable up to at least 200 m distances Aug. 17, 1999
5935218 Method and apparatus for bus network prioritization using the broadcast of delay time to lower priority users from high priority users in a token or loop network Aug. 10, 1999
5923663 Method and apparatus for automatically detecting media connected to a network port Jul. 13, 1999
5912895 Information network access apparatus and methods for communicating information packets via telephone lines Jun. 15, 1999
5910956 Random time interval generator Jun. 8, 1999
5903553 Enhanced signal collision detection method in wireless communication system May. 11, 1999
5898678 Method and apparatus for using synthetic preamable signals to awaken repeater Apr. 27, 1999
5896443 Phone line computer networking Apr. 20, 1999
5896561 Communication network having a dormant polling protocol Apr. 20, 1999
5892768 10/100-base ethernet to T1/E1 HDSL converter and method of operation Apr. 6, 1999
5889776 Physical layer switch system for ethernet local area network communication system Mar. 30, 1999
5870398 Introducing inter-packet gaps in network transmissions Feb. 9, 1999
5867533 Digital delta mode carrier sense for a wireless LAN Feb. 2, 1999
5864558 Dynamic transmit tuning for ethernet device drivers Jan. 26, 1999
5856976 Multiplex transmission system for use in vehicles Jan. 5, 1999
5854790 Method and apparatus for networking data devices using an uplink module Dec. 29, 1998
5838688 Determining the number of active nudes on an ethernet network by counting a number of packet receptions Nov. 17, 1998
5838989 Common interface for a network having different communication media employing a carrier sense multiple access with collision detection (CSMA/CD) protocol Nov. 17, 1998
5825755 Method and apparatus for switching between full-duplex and half-duplex CSMA/CD systems Oct. 20, 1998
5818830 Method and apparatus for increasing the effective bandwidth of a digital wireless network Oct. 6, 1998
5812766 Protocol conversion system Sep. 22, 1998
5809012 Connectionless communication system Sep. 15, 1998
5809026 Multi-port network interface Sep. 15, 1998
5805596 Method for in-band communication of management information in a backplane architecture of a stackable ethernet repeater Sep. 8, 1998

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