Boots – shoes – and leggings
Patent
1987-09-17
1988-09-20
Harkcom, Gary V.
Boots, shoes, and leggings
G06F 1310
Patent
active
047730056
ABSTRACT:
For a computer system having peripheral devices coupled to a common bus through interface devices transmitting and receiving messages containing an address code matching a stored address code, a dynamic address assignment system stores a unique address code in each interface device following system startup. On system start up each interface device stores a type number and an adjustable serial number, type numbers for peripheral devices of the same type being identical while serial numbers for all peripheral devices of the same type are adjusted to different values. A master controller transmits to all peripheral devices a series of universally addressed count commands. Each interface device counts the count commands and, when the count reaches a poll number determined by the unique combination of stored type and serial numbers, requests and obtains a unique address code from the host computer. The interface device thereafter stores and uses the unique address code in transmitting and receiving messages on the bus.
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Anderson Lawrence E.
Dellett John P.
Harkcom Gary V.
Hulse Robert S.
Tektronix Inc.
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