Charge-coupled device serial analog-to-digital converter and ass

Details Charge-coupled device serial analog-to-digital converter and ass Charge-coupled device serial analog-to-digital converter and ass

1979-04-13

1981-06-23

Sloyan, Thomas J.

Communications: electrical

Audible indication

Percussion-type sound producer

307221D, 307227, 328186, 357 24, 340347M, 364607, H03K 1320

Patent

active

042753872

ABSTRACT:
A plurality of charge-coupled device shift registers or shift register elements is used to generate a plurality of packets of charge, each proportional to a different reference potential. Using a sense amplifier or comparator, each of the packets of charge is compared, either simultaneously or sequentially, with one or more packets of charge generated by the potential of an analog signal. Signals from the comparator are then supplied to an encoder or a counter to generate a digital signal representative of the analog signal. In one embodiment the plurality of different reference potentials are generated by positioning the shift registers or shift register elements at various locations along a resistance having a potential applied across it.

REFERENCES:
patent: 3858232 (1974-12-01), Boyle et al.
patent: 3930255 (1975-12-01), Means
patent: 3983412 (1976-09-01), Roberts et al.
patent: 3983413 (1976-09-01), Gunsagar et al.
patent: 4003034 (1977-01-01), Au
patent: 4041518 (1977-08-01), Shimizu et al.
Boyle et al., Charge Coupled Semiconductor Devices, BSTJ, Apr. 1976 pp. 586-593. _
Mattera, CCDS Edge Toward High-Volume Use, Electronics, 17 Mar. 1977, pp. 74 & 76. _
CCD311, 130/260 Bit Analog Shift Register, Preliminary Data Sheet, Sep. 1975, Fairchild, pp. 1-9. _
Susskind, Notes on Analog-Digital Conversion Techniques, The Technology Press of MIT and J. Wiley & Sons, pp. 5-2 to 5-7. _

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