Pulse duration modulator using charge coupled devices

Details Pulse duration modulator using charge coupled devices Pulse duration modulator using charge coupled devices

1982-09-28

1985-04-02

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307265, 307352, 328 54, 328 58, 357 24, 377 62, 377 63, H03K 902, H03K 1100

Patent

active

045089752

ABSTRACT:
Pulse-duration-modulated signal is generated from samples of an analog signal voltage in a CCD device by fill-and-spill input of charge into the CCD device, scooping of fixed unit charge to generate a pulse train with pulses in a number proportional to the sample analog voltage, and box-car detection. The box-car detection uses a floating electrode, the resetting of which is selectively inhibited until just past the last pulse in the train that equals or exceeds the potential midway between the potentials defining logic ZERO and logic ONE.

REFERENCES:
patent: 4255725 (1981-03-01), Berger et al.
patent: 4275354 (1981-06-01), Suematsu et al.
patent: 4277702 (1981-07-01), Hamilton et al.
patent: 4315164 (1982-02-01), Kub et al.
patent: 4356463 (1982-10-01), Gonin et al.
patent: 4435730 (1984-03-01), Bendell et al.
patent: 4443774 (1984-04-01), Luder et al.

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