Electric circuit for and method of generating a clock signal

Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Clock or pulse waveform generating

Reexamination Certificate

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Details

C327S292000, C327S293000, C327S294000

Reexamination Certificate

active

07999593

ABSTRACT:
An electric circuit (30) for generating a clock-sampling signal (CLK) for a sampling device (31) comprises a clock generator (1, 40, 50, 60) for generating a plurality of clock signals (21-24, 51-54, 61-64), a correlation device (L) for correlating a characteristic signal section (LE) of a digital signal (DS) with the plurality of clock signals (21, 22, 23, 24, 51-56, 61-64), and a selecting device (MX) for selecting one of the clock signals (21, 22, 23, 24, 51-55, 61-64) as the clock-sampling signal (CLK) for the sampling device (31) on the basis of the correlation by the correlation device (L). The clock signals (21-24, 51-54, 61-64) have the same cycle duration (T) and are phase-shifted with respect to each other. The sampling device (31) subsequently samples the digital signal (DS) with the clock-sampling signal (CLK).

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patent: 2003/0132783 (2003-07-01), Natsume
patent: 0508232 (1992-10-01), None
patent: 0717329 (1995-06-01), None

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