Apex-angle variable prism and video camera

Details Apex-angle variable prism and video camera Apex-angle variable prism and video camera

1997-07-18

2000-12-05

Garber, Wendy

Television

Camera, system and detail

Camera image stabilization

348335, 348340, H04N 5225

Patent

active

061574058

ABSTRACT:
In an apex-angle variable prism comprising a combination of a planoconcave lens and a planoconvex lens, at least one lens is simply and stably rotated along the spherical surfaces of these lens by using a compact actuator. In order to rotate the planoconvex lens along the spherical surface of the planoconcave lens, the one end of the planoconvex lens is supported by a pivot bearing disposed on the rotational center line X.sub.2 which passes through the center O.sub.2 of the radius of curvature of the sphere of the planoconvex lens, and the other end of the planoconvex lens is rotated along the rotational reference plane Z perpendicular to the rotational center line X.sub.2 by using a compact DC motor.

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patent: 5844719 (1998-12-01), Wada
patent: 5917663 (1999-06-01), Suzuki

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