Optical-transmission-space determining apparatus and...

Details Optical-transmission-space determining apparatus and... Optical-transmission-space determining apparatus and...

2008-03-18

2008-03-18

Vanderpuye, Kenneth (Department: 2613)

Optical communications

Optical communication over freee space

Transmitter and receiver

C398S129000, C398S131000, C359S838000, C359S877000

Reexamination Certificate

active

11139328

ABSTRACT:
An optical-space transmission apparatus for use in communication by using light propagating in a space includes a light-receiving unit, an optical system including a movable mirror and introducing light incident thereon to the light receiving unit with the movable mirror, a controller controlling drive of the movable mirror, and a detecting unit detecting an intensity of the light received in the light-receiving unit. The controller modifies a control characteristic of the movable mirror in accordance with a change in the received-light intensity.

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patent: 6335811 (2002-01-01), Sakanaka
patent: 6616352 (2003-09-01), Shigeta et al.
patent: 7157695 (2007-01-01), Watanabe
patent: 7190905 (2007-03-01), Sakanaka
patent: 2004/0141754 (2004-07-01), Cheng et al.
patent: 11-346192 (1999-12-01), None

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