H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 1/00 (2006.01) G06F 13/12 (2006.01) G06F 13/38 (2006.01) H04L 5/14 (2006.01) H04L 12/413 (2006.01) H04L 25/30 (2006.01)
Patent
CA 2106744
A multiple-master, digital communication technique is provided which employs standard universal asynchronous receivers and transmitters ("UARTs") linked to a common data transmission bus, and a hardware-based inter-station contention scheme utilizing a bus separate from that employed for data transmission. This communication technique effectively eliminates any window of collision for data transmission on the bus, and greatly reduces the amount of software processing required to resolve contention between stations. In addition, the hardware required to support the dedicated contention bus scheme is comprised of inexpensive, commercially available logic gates.
Technique de communication numérique à maître multiple utilisant des émetteurs-récepteurs asynchrones universels de type courant reliés à un bus commun de transmission de données, et dispositif matériel de résolution des conflits entre les stations faisant appel à un bus différent. Cette technique de communication élimine efficacement toute fenêtre de collision lors de la transmission de données par bus et réduit considérablement la quantité de traitement logiciel nécessaire pour résoudre les conflits entre les stations. De plus, le matériel nécessaire à ce codage de bus spécialement consacré aux conflits est constitué de portes logiques peu coûteuses et disponibles commercialement.
Bartis Robert M.
Gritton Charles William Kevin
Tao Ying T.
American Telephone And Telegraph Company
Kirby Eades Gale Baker
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