Lens barrier mechanism of optical apparatus

Details Lens barrier mechanism of optical apparatus Lens barrier mechanism of optical apparatus

1994-06-07

1996-08-06

Gray, David M.

G03B 926

Patent

active

055438814

ABSTRACT:
An optical apparatus having a lens barrier mechanism includes a first barrier member which is rotatable and a second barrier member which is movable up and down. The lens barrier mechanism changes the state of an aperture from a covered state over to an open state and vice versa by causing the first barrier member to rotate and the second barrier member to move upward and downward.

REFERENCES:
patent: 5159372 (1992-10-01), Nomura et al.

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