Electromagnetically driven slit exposure shutter

Details Electromagnetically driven slit exposure shutter Electromagnetically driven slit exposure shutter

1980-04-22

1982-02-02

Hix, L. T.

354245, 354246, 354248, G03B 942

Patent

active

043136591

ABSTRACT:
In the slit exposure shutter disclosed, front and rear shutter blades carry permanent magnets along a passage of electromagnets which are excited to repel the permanent magnets and cause the blades to float in the gaps of the electromagnets.

REFERENCES:
patent: 4051499 (1977-09-01), Kondo
patent: 4088405 (1978-05-01), Pustka

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