Driver circuit

Details Driver circuit Driver circuit

2008-04-15

2008-04-15

Tran, Anh Q. (Department: 2819)

Electronic digital logic circuitry

Interface

Current driving

C326S083000, C326S031000, C326S034000

Reexamination Certificate

active

11277117

ABSTRACT:
A circuit includes a first driver, a second driver, and a transformer coupled to the first and second driver. In operation, the first driver receives a first signal from a first input port, the second driver receives a time-delayed version of the first signal from a second input port, and the transformer provides provide an output signal to an output port. A method includes receiving a first input signal, receiving a second input signal, and then processing the first input signal and the second input signal. The second input signal is a time-delayed version of the first input signal and the processing of the first input signal and the second input signal generates a half-raised cosine signal.

REFERENCES:
patent: 4728817 (1988-03-01), Jessee et al.
patent: 5886476 (1999-03-01), Skinner et al.
patent: 6556053 (2003-04-01), Stanley
patent: 7015720 (2006-03-01), Schrom et al.
patent: 2004/0145411 (2004-07-01), Harvey
patent: 2005/0146356 (2005-07-01), Schrom et al.
“U.S. Appl. No. 10/749,928 Response filed Jul. 11, 2005 to Non-Final Office Action mailed Apr. 11, 2005”, (Jul. 11, 2005),7 pages.
“U.S. Appl. No. 10/749,928 Non-Final Office Action mailed Apr. 11, 2005”, 7 pages.
“U.S. Appl. No. 10/749,928 Notice of Allowance mailed Oct. 5, 2005”, 7 pages.

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