Electrical pulse counters – pulse dividers – or shift registers: c – Charge transfer device
Patent
1982-09-28
1984-04-17
Munson, Gene M.
Electrical pulse counters, pulse dividers, or shift registers: c
Charge transfer device
357 24, 307304, G11C 1928, H01L 2978, H03K 3353
Patent
active
044438850
ABSTRACT:
A method and device in which both positive and negative signal charges can be transferred from a first capacitance to a first point via a transistor circuit which exhibits a threshold level. For this purpose the first capacitance contains a reference charge with a positive or a negative polarity. First, the voltage on the first point is switched so that the first capcitance is charged from said first point and subsequently so that the first capcitance discharges towards the first point to its reference charge, which corresponds to said threshold level, in such a way that the net charge transfer from the first capacitance to the first point is equal to the positive or negative signal charge and the charge on the first capacitance is restored to a reference level.
REFERENCES:
patent: 3902186 (1975-08-01), Engeler et al.
Biren Steven R.
Briody Thomas A.
Mayer Robert T.
Munson Gene M.
U.S. Philips Corporation
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