Electrical pulse counters – pulse dividers – or shift registers: c – Charge transfer device – Particular input or output means
Patent
1990-06-07
1991-10-01
Munson, Gene M.
Electrical pulse counters, pulse dividers, or shift registers: c
Charge transfer device
Particular input or output means
357 24, G11C 1928, H01L 2978
Patent
active
050540408
ABSTRACT:
A non-destructive charge domain multiplier and process thereof wherein the unique characteristics of the charge coupled device permits sensing the size of the charge packet as it moves past an electrode and creating a new charge packet proportional to the product of the original packet and an externally applied value. The device non-destructively senses the size of the charge packet and multiplies it with another value using a multiple metering gate variation of the "Fill and Spill" technique. The present invention therefore constitutes a unique CCD configuration which creates as an output, a charge packet proportional to the product of the charge in an input packet and an externally applied value. Thus, the present invention enables the performance of non-linear operations by CCD integrated circuits.
REFERENCES:
patent: 4040077 (1977-08-01), Tehon
patent: 4047051 (1977-09-01), Heller
patent: 4239983 (1980-12-01), Edwards et al.
patent: 4486893 (1984-12-01), Carrison
Sequin et al., Charge Transfer Devices, Academic Press, N.Y., 1975, pp. 80-91.
Agranat Aharon J.
Neugebauer Charles T.
Yariv Amnon
California Institute of Technology
Munson Gene M.
Tachner Leonard
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