Electrical pulse counters – pulse dividers – or shift registers: c – Shift register
Reexamination Certificate
2007-06-06
2009-02-10
Cox, Cassandra (Department: 2816)
Electrical pulse counters, pulse dividers, or shift registers: c
Shift register
C377S072000
Reexamination Certificate
active
07489758
ABSTRACT:
A shift register apparatus and a shift register thereof are provided. The shift register includes an input unit, a feedback unit, an output unit, and a reset unit. The shift register is made of MOS transistors, BJTs, or other switching transistors. In the present invention, an input signal is registered and shifted through specific couplings between foregoing units with two clock signals having different pulse durations.
REFERENCES:
patent: 3829711 (1974-08-01), Crowle
patent: 4538288 (1985-08-01), Soneda et al.
patent: 7145545 (2006-12-01), Zebedee et al.
Cox Cassandra
Hannstar Display Corporation
J.C. Patents
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