Switching power supply and method

Details Switching power supply and method Switching power supply and method

1987-10-16

1988-09-13

Hearn, Brian E.

Chemistry: electrical current producing apparatus, product, and

Having diverse cells or diverse removable cells in a support...

429 50, 429 62, 429 67, 320 30, 320 53, H01M 1200, H01M 1044

Patent

active

047709545

ABSTRACT:
A power supply has two energy sources, one of which has a relatively low energy density but provides a relatively high current and the other of which has a relatively high energy density but provides a relatively low current. One end of each of the energy sources is connected to an output terminal through a respective diode. The other ends of the energy sources are connected together to another output terminal. The power supply operates so that when the relatively low current is required by a load connected across the output terminals, the high energy density source provides the current; but when the relatively high current is required by the load, the current is provided from the low energy density source.

REFERENCES:
patent: 2058755 (1936-10-01), Arnesen
patent: 2616937 (1952-11-01), Kullgra
patent: 2913587 (1959-11-01), Gebhard
patent: 3909685 (1975-09-01), Baker et al.
patent: 4050743 (1977-09-01), Knight
patent: 4422031 (1983-12-01), Vigerstol

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