Boots – shoes – and leggings
Patent
1988-01-11
1991-06-04
Shaw, Gareth D.
Boots, shoes, and leggings
364960, 3649602, 3649604, 3649606, 3649654, 364971, 365220, G06F 1200, G11C 700
Patent
active
050219944
ABSTRACT:
A look-ahead flag generator generates a flag signal corresponding to the occurrence of a predetermined value stored in a counter (10). The output of the counter outputs any of a plurality of values, the values including the predetermined value and at least one boundary value that is one unit of increment or decrement displaced from the predetermined value. A clock signal source (13) is coupled to a first input of the counter (10) to indicate a decrement or an increment to the value stored in the counter (10). An up/down signal source (11) is coupled to a second input of the counter to indicate whether an increment or a decrement of the stored value should be performed. Predetermined states of the up/down signal and the clock signal are operable to cause a boundary value stored in the counter (10) to be changed to the predetermined value. A predecoder (12) is coupled to an output of counter (10) for decoding the boundary value. A latch (132) stores the decoded boundary value. A gate circuit (111, 117, 139) is coupled to the latch (132), a flag signal output, the up/down signal source (11) and the clock signal source (13) and is operable to generate the flag signal in response to the stored decoded boundary value and the predetermined states of the up/down signal and the clock signal.
REFERENCES:
patent: 4486854 (1984-12-01), Yuni
patent: 4516201 (1985-05-01), Warren et al.
patent: 4815039 (1989-03-01), Tai et al.
patent: 4829475 (1989-05-01), Ward et al.
patent: 4835738 (1989-05-01), Niehaus et al.
patent: 4864543 (1989-09-01), Ward et al.
patent: 4933901 (1990-06-01), Tai et al.
An Quang-Dieu
Chiu Edison
Hsu Te-Chuan
Tai Jy-Der
Demond Thomas W.
Fagan Matthew C.
Neerings Ronald O.
Sharp Melvin
Shaw Gareth D.
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