Analogue to digital converter

Coded data generation or conversion – Analog to or from digital conversion – Analog to digital conversion

Reexamination Certificate

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Reexamination Certificate

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06917323

ABSTRACT:
An analog to digital converter (ADC) includes a comparator, N×1-bit clocked shift register and a clock which is phase-locked to the input signal. The system according to the invention includes such an ADC, together with processing means. The ADC samples an input waveform and the processing means determines a correction waveform, converts the correction waveform to an analog signal, combines the correction waveform with the input waveform to control its envelope and outputs a combined waveform. The combined waveform is substantially flat.

REFERENCES:
patent: 3991409 (1976-11-01), Dautremont et al.
patent: 4411002 (1983-10-01), Auger
patent: 4595909 (1986-06-01), Jarrett
patent: 4983972 (1991-01-01), Mills
patent: 5010340 (1991-04-01), Green
patent: 5157398 (1992-10-01), Okazaki et al.
patent: 6157329 (2000-12-01), Lee et al.
patent: 0 935 386 (1999-11-01), None
patent: 1207747 (1970-07-01), None
patent: 2102643 (1983-02-01), None
patent: 2115247 (1983-09-01), None
patent: 2115998 (1983-09-01), None
Search Report Dated May 9, 2001.

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