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Class Information
Number: 370/447
Name: Multiplex communications > Channel assignment techniques > Carrier sense multiple access (csma) > Arbitration for access between contending stations
Description: Subject matter wherein an order of importance is assigned to stations or information to resolve situations in which plural stations attempt to gain access to the same communication channel at the same time.










Sub-classes under this class:

Class Number Class Name Patents
370/448 Using weighted back-off timing 261


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Patent Number Title Of Patent Date Issued
4739323 Serial data bus for serial communication interface (SCI), serial peripheral interface (SPI) and buffered SPI modes of operation Apr. 19, 1988
4719458 Method of data arbitration and collision detection in a data bus Jan. 12, 1988
4707853 Electronic private branch exchanges Nov. 17, 1987
4707828 Multiaccess communication system Nov. 17, 1987
4706082 Serial data bus for intermodule data communications Nov. 10, 1987
4701630 Local area network station connector Oct. 20, 1987
4688213 Asynchronous random access communication system with collision resolution based on time of arrival Aug. 18, 1987
4682324 Implicit preemptive lan Jul. 21, 1987
4679190 Distributed voice-data switching on multi-stage interconnection networks Jul. 7, 1987
4677613 Network system for connecting multiple I/O devices to computers Jun. 30, 1987
4670872 Communication link contention resolution system Jun. 2, 1987
4663757 Packet switched local network with priority random splitting and conflict detection May. 5, 1987
4654889 Multi-star fiber optic network with improved access time Mar. 31, 1987
4653047 Communication subsystem Mar. 24, 1987
4644348 Apparatus for providing masterless collision detection Feb. 17, 1987
4641304 Announced retransmission random access system Feb. 3, 1987
4638311 Apparatus for providing masterless collision detection Jan. 20, 1987
4630264 Efficient contention-resolution protocol for local multiaccess networks Dec. 16, 1986
4628311 Carrier sense multiple access with collision avoidance utilizing rotating time staggered access windows Dec. 9, 1986
4623998 Communication network having gain adjustment function of a transmission amplifier of medium attachment unit Nov. 18, 1986
4610010 Control circuit for an adaptive hybrid control in a local area network Sep. 2, 1986
4608700 Serial multi-drop data link Aug. 26, 1986
4593282 Network protocol for integrating synchronous and asynchronous traffic on a common serial data bus Jun. 3, 1986
4586176 Method for correction of trouble in digital signal transmission system Apr. 29, 1986
4584678 Contention-type data communication system Apr. 22, 1986
4581734 Multipriority communication system Apr. 8, 1986
4573045 Collision detection method using CRC code Feb. 25, 1986
4560985 Dual-count, round-robin distributed arbitration technique for serial buses Dec. 24, 1985
4554656 Method and system for controlling the interconnecting of a plurality of local data networks Nov. 19, 1985
4532627 Time multiplex controlled data system Jul. 30, 1985
4531239 Optical receiver having collision detection function Jul. 23, 1985
4516122 Communication system with collision detection and forced collision May. 7, 1985
4498168 Communication network and method for its use Feb. 5, 1985
4472712 Multipoint data communication system with local arbitration Sep. 18, 1984
4466096 Apparatus and method for providing transmitter hierarchy control for efficient channel management Aug. 14, 1984
4456956 Method and apparatus for controlling access of a network transmission bus between a plurality of spaced apart computer stations Jun. 26, 1984
4445171 Data processing systems and methods Apr. 24, 1984
4409592 Multipoint packet data communication system using random access and collision detection techniques Oct. 11, 1983
4409593 Threshold-less collision detection and bit arbitration in a CFSK data system Oct. 11, 1983
4355385 Multiplex information handling system Oct. 19, 1982
4337465 Line driver circuit for a local area contention network Jun. 29, 1982
4251879 Speed independent arbiter switch for digital communication networks Feb. 17, 1981
4229792 Bus allocation synchronization system Oct. 21, 1980
4124776 Information system having multiple access and decentralized exchange Nov. 7, 1978

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