Optical power supply switching apparatus

Details Optical power supply switching apparatus Optical power supply switching apparatus

1982-03-29

1985-01-22

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Signal isolator

307311, G02B 2700, H01J 4014

Patent

active

044954212

ABSTRACT:
An optical power supply switching apparatus by which a battery power can be connected to or disconnected from at least one electric appliance provided for an automotive vehicle without generating electromagnetic noise or electromagnetic interference between the electric appliance and other audio equipment. The optical power supply switching apparatus according to the present invention comprises at least one light-emitting element, one optical fiber, at least one photoelectric transducer, at least one semiconductor contactless switching element, and a plurality of optical directional-couplers and optical filters where necessary, in addition to a special low-impedance coaxial power distribution line.

REFERENCES:
patent: 2506672 (1950-05-01), Kell et al.
patent: 3486029 (1969-12-01), Barrett et al.
patent: 3610938 (1971-10-01), Cook et al.
patent: 4456903 (1984-06-01), Kishi et al.

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