Local area network processing system

Details Local area network processing system Local area network processing system

1985-09-03

1988-03-08

Heckler, Thomas M.

Boots, shoes, and leggings

370 85, 3408255, G06F 1516, H04Q 900, H04J 302

Patent

active

047302500

ABSTRACT:
A data processing system in which a host processor is connected to a plurality of remote processing devices over a common communication channel in which a number of the remote processors are commonly connected to a transceiver for transmitting and receiving data over the communication channel. Switching members on each of the remote processing devices select a pair of communication lines coupled to a priority resolving circuit for transmitting request to send signals and receiving clear to send signals, thereby enabling the remote processing devices to transmit and receive data over the communication channel.

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IBM Technical Disclosure Bulletin, vol. 23, No. 2, Jul. 1980, New York (US) Guinlan: "Non-Polled Service Request Identification Method and Apparatus for Magnetic Disk Drives", pp. 731-732.
WO, A 8500486 (Kocan), 31 Jan. 1985, see p. 9, lines 15-28; p. 23, lines 23-37; p. 29, lines 1-15; FIGS. 1,5.
WO, A 8303178 (Ault) 15 Sep. 1983, see p. 3, lines 24-36; p. 4, lines 1-23; p. 7, lines 1-5; p. 19, lines 12-30; p. 20, lines 27-37; p. 21, line 1; FIGS. 1,7,8.

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