Capacitively buffered power supply for an electronic device

Details Capacitively buffered power supply for an electronic device Capacitively buffered power supply for an electronic device

1988-11-08

1989-12-26

Salce, Patrick R.

Electrical transmission or interconnection systems

Plural supply circuits or sources

Substitute or emergency source

323266, H02J 900

Patent

active

048900036

ABSTRACT:
According to the invention, a buffer capacitor (4) is connected, on the one hand, via a series controller (5) limiting the charging voltage of the buffer capacitor (4), to supply voltage terminals (2, 3) and, on the other hand, via a voltage stabilizing circuit (6), to lead terminals (1a, 1b) of the electronic device (1). Thus the buffer capacitor (4) can be charged to a charging voltage which is clearly above the operating voltage of the electronic device (1), so that the period until the minimum operating voltage of the electronic device (1) is reduced, is lengthened. In addition, a constant operating voltage is available for the electronic device (1).

REFERENCES:
patent: 3373344 (1968-03-01), Seer
patent: 3786339 (1974-01-01), Milovancevic
patent: 4560887 (1985-12-01), Schneider
patent: 4712171 (1987-12-01), Yamashita
patent: 4754388 (1988-06-01), Pospisil
patent: 4795914 (1989-01-01), Higa et al.

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