Boots – shoes – and leggings
Patent
1982-11-01
1987-12-01
Chan, Eddie P.
Boots, shoes, and leggings
371 67, 371 69, 370 86, 34082505, G06F 1300
Patent
active
047108711
ABSTRACT:
A system for controlling the transfer of a data message over a common communication channel between a plurality of processing devices includes a MOS/LSI controller chip associated with each processing unit for constructing a message to be sent to a sending device acknowledging the receipt of the message and the validity of the message. Logic circuits are included which generate a predetermined sequence of two binary bits indicating the receipt of the message and the validity of the receiving message. The binary bits are framed by two other binary bits and the sequence repeated a predetermined number of times to construct an acknowledgment message. The controller chip further includes logic circuits for decoding the acknowledgment message.
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Belknap William M.
Chanasyk Albert J.
Girard Donald J.
O'Dell Robert R.
Chan Eddie P.
Eakman Christina
Hawk Jr. Wilbert
Lavin Richard W.
NCR Corporation
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