Electrical pulse counters – pulse dividers – or shift registers: c – Charge transfer device – Particular input or output means
Patent
1979-10-29
1985-02-19
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
045010072
ABSTRACT:
A charge transfer differentiator having a layer of semiconductor material and a contiguous film of overlying electrically insulating material includes a first electrode fed by a first voltage wherein the first electrode is embedded in the film, for establishing an electric potential at the interface between the film and layer. A second electrode fed by a second voltage and a third electrode fed by a third voltage are embedded in the film and charge-coupled to the first electrode for establishing potential barriers at said interface. These electrodes and voltages provide a potential well at the interface. Also included is a fourth electrode embedded in the layer fed by a fourth voltage, and a fifth and sixth electrode separated from each other and embedded in the film, wherein the fifth and sixth electrodes are fed by a clock voltage, the fourth, fifth and sixth electrodes are charge-coupled to the second electrode so as to provide a constant input charge to the potential well. All electrodes and their applied voltages providing differentiation of either the first or the third voltage.
REFERENCES:
patent: 3969634 (1976-07-01), Su et al.
patent: 4092549 (1978-05-01), Prince
patent: 4099197 (1978-07-01), Ibrahim et al.
patent: 4112456 (1978-09-01), Lampe et al.
patent: 4139782 (1979-02-01), Ablassmeier
Sequin et al., "A Symmetrically Balanced Linear Differential Charge-Splitting Input for Charge-Coupled Devices", IEEE Trans. Electron Devices, vol. ED-24, (6/77), pp. 746-750.
Benman, Jr. W. J.
Hughes Aircraft Company
Karambelas A. W.
Munson Gene M.
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