Logical circuit

Details Logical circuit Logical circuit

2007-03-13

2007-03-13

Callahan, Timothy P. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Phase shift by less than period of input

C327S259000

Reexamination Certificate

active

11042335

ABSTRACT:
A logical circuit receives first and second input signals in which a period of a first logic level partially overlaps, and outputs first and second output signals in which a period of the first logic level does not overlap. The logical circuit comprises a first unit which changes a phase of the first output signal from a second logic level to the first logic level when a change of the first input signal from the second logic level to the first logic level is detected. A second unit changes a phase of the second output signal from the first logic level to the second logic level when the second input signal is detected as being at the first logic level at a time of detection of the change of the first input signal.

REFERENCES:
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patent: 6307416 (2001-10-01), Heyne et al.
patent: 6489826 (2002-12-01), Truong et al.
patent: 6798248 (2004-09-01), Hazucha et al.
patent: 06097815 (1994-04-01), None
patent: 08-088545 (1996-04-01), None
patent: 11068551 (1999-03-01), None
English translation of relevant portions of Japanese Office Action issued Jul. 7, 2006 in corresponding Japanese application No. 2004-569356.

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