Counter circuit

Details Counter circuit Counter circuit

2009-02-05

2010-10-12

Lam, Tuan (Department: 2816)

Electrical pulse counters, pulse dividers, or shift registers: c

Pulse counting or dividing chains

C377S044000, C377S124000

Reexamination Certificate

active

07813468

ABSTRACT:
Reduction in power consumption of a counter circuit for continuous operation is demanded. Therefore, provided is a counter circuit including: a first counter of m bits for counting and storing a value of a predetermined bit width according to an input clock; a clock transmission control circuit for controlling whether to transmit the input clock based on a value output according to a counting result of the first counter; and a second counter of n bits for counting and storing another value of the predetermined bit width according to the input clock transmitted from the clock transmission control circuit.

REFERENCES:
patent: 5136588 (1992-08-01), Ishijima
patent: 5226063 (1993-07-01), Higashitsutsumi
patent: 5600695 (1997-02-01), Negi
patent: 6085343 (2000-07-01), Krishnamoorthy
patent: 6556645 (2003-04-01), Kim
patent: 7609801 (2009-10-01), Park et al.
patent: 2003/0231736 (2003-12-01), Yamamura
patent: 4-287420 (1992-10-01), None
patent: 11-39170 (1999-02-01), None

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