Boots – shoes – and leggings
Patent
1990-07-26
1993-11-09
Lee, Thomas C.
Boots, shoes, and leggings
364934, 364270, 364271, 364DIG1, G06F 1500, G06F 112
Patent
active
052610810
ABSTRACT:
Sequence control apparatus provides a plurality of output signals selectively based upon either the rising or falling edge of a clock signal. The apparatus includes a plurality of groups of bistable devices such as flip flops. In each group, half of the flip flops are triggered by the rising edge of a clock pulse and the other half of the flip flops are triggered by the falling edge. The outputs of these flip flops are coupled to a series of gates, which in turn are controlled by logic input select signals to provide output signals which may be used, for example, for memory control purposes. The output signal from one group of flip flops is provided as an input signal for the next group.
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Briggs Barry D.
Herwig Nathaniel C.
White Daniel F.
An Meng-Ai T.
Lee Thomas C.
NCR Corporation
Sessler Jr. Albert L.
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