Multi-input switching means

Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries

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Details

340173CA, H02M 306, H02J 1500, G11C 1124

Patent

active

039406784

ABSTRACT:
A multiple input switching system includes an input isolation device, such as a transformer, in the input circuit. Switching devices are provided for sequentially connecting the several input circuits to a time-shared amplifier. The switching devices are actuated at a predetermined rate with a predetermined closed-time for each closure. Further switching devices are provided for transferring the data from each of the input circuits to a corresponding memory device. These further switching devices are operated synchronously with the first-mentioned switching devices but with a shorter close-time. The data values in the several memory devices may be selectively scanned asynchronously. Between each actuation of the input switching devices, additional switches are actuated which (1) short-circuits the input to the amplifier and (2) applies the output drift signal of the amplifier to a compensating storage capacitor. On subsequent actuation of the input and output switch devices, the compensating signal is superimposed on the data signal stored on the corresponding memory device.

REFERENCES:
patent: 3084321 (1963-04-01), Hinrichs et al.
patent: 3701120 (1972-10-01), Charters et al.
patent: 3714623 (1973-01-01), Mickler
patent: 3731286 (1973-05-01), Graalmann et al.
patent: 3836893 (1974-09-01), Lamden

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