Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Clock or pulse waveform generating
Reexamination Certificate
2007-06-05
2007-06-05
Callahan, Timothy P. (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Clock or pulse waveform generating
C327S293000, C327S298000, C327S355000, C327S361000, C327S175000
Reexamination Certificate
active
11096770
ABSTRACT:
The present invention relates to the field of electronics. More particularly, forms of the present invention relate to systems, methods and circuits for generating a signal. A system, method and circuit for generating a signal are described. Forms of this system, method and circuit provide clock duty cycle improvement with no frequency reduction. Some such forms provide a clock signal approaching or achieving 50 percent with no significant frequency departure, reduction, etc. from a generated clock. One form of the present invention uses two similar clock signals that oscillate at the same frequency, but effectively inverted one from another. In one such form, the inverted signals are generated with a voltage controlled oscillator having differential stages.
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Callahan Timothy P.
Luu An T.
Transmeta Corporation
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