Boots – shoes – and leggings
Patent
1989-10-16
1990-04-03
Lee, Thomas C.
Boots, shoes, and leggings
3649352, 36494191, 3649442, 3649494, 371 112, 34082501, 34082505, 370 16, G06F 1338, G06F 1100
Patent
active
049146254
ABSTRACT:
A bypass mechanism is described for improving the operation of a daisy chain line linking a plurality of units and used for propagating a signal which may be trapped by the first unit in the chain having a pending service request to be serviced by a common resource 12. The daisy chain line is connected to each units through an input line and the signal to be propaagated, if not trapped by the unit is sent to the next unit through an output line.
All units in the chain are connected to a bypass line. A plurality of bypass lines may be provided when a plurality of sets of consecutive units should be able to be disconnected from the chain. When it is desired to disconnect consecutive units from the chain, gating logic in the unit preceding the first unit to be disconnected causes the signal to be propagated to be provided to a bypass out line and, in the unit following the last unit to be disconnected, the signal taken from bypass in line signals which are sent to the units through bus 14.
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Duffield Edward H.
International Business Machines - Corporation
Lee Thomas C.
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