CCD A-to-D converter

Details CCD A-to-D converter CCD A-to-D converter

1977-05-23

1980-06-03

Sloyan, Thomas J.

Communications: electrical

Audible indication

Percussion-type sound producer

340347M, 357 24, H03K 1309

Patent

active

042064465

ABSTRACT:
Analog signal is translated to charges which concurrently are spilled down a plurality of charge coupled device (CCD) channels. The CCD storage electrodes of these channels define potential wells at least some of which are of different size and the number of wells in each channel which receive charge as it attempts to fill the successive wells in that channel with depend upon the analog signal amplitude and the respective sizes of said successive wells. The presence or absence of charge in one or more of the storage wells in each channel is sensed and employed in some cases for indicating the value of a bit of given significance, and in others for inhibiting or permitting the propagation of charge along a CCD channel employed to indicate the value of a bit of lower significance.

REFERENCES:
patent: 3758794 (1973-09-01), Kosonocky
patent: 3777186 (1973-12-01), Chang
patent: 3876952 (1975-04-01), Weimer
patent: 3903543 (1975-09-01), Smith
patent: 3930255 (1975-12-01), Means
patent: 3958210 (1976-05-01), Levine
patent: 3969634 (1976-07-01), Su et al.
patent: 4115766 (1978-09-01), Smith
Bernadotte et al., Bucket Brigade Devices Arranged for Dividing . . ., IBM Technical Disclosure Bulletin, vol. 18, No. 8, 1/76, p. 2540.

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