Optics: measuring and testing – For optical fiber or waveguide inspection
Patent
1998-07-17
2000-01-11
Font, Frank G.
Optics: measuring and testing
For optical fiber or waveguide inspection
359211, G02B 2608
Patent
active
060142057
ABSTRACT:
A position sensor is provided for a transmission deflector which has a wedge-shaped transmission prism that is rotatably supported by a yoke member through a prism holder and an elastic member, and rotates in the forward and reverse directions via electromagnetic operation. A coated reflection layer is provided on a surface of the wedge-shaped transmission prism other than the transmission portion thereof through which the light can pass. A light emitter for emitting collimated light onto the reflection layer and an incident position detector for receiving the light reflected by the reflection layer and detecting the incident position of the light thereon are provided on the yoke member or a member integral therewith.
REFERENCES:
patent: 4326799 (1982-04-01), Keene et al.
patent: 4600837 (1986-07-01), Distefano
patent: 4850686 (1989-07-01), Morimoto et al.
patent: 5045679 (1991-09-01), Suzuki et al.
patent: 5760944 (1998-06-01), Minakuchi et al.
Iima Mitsunori
Kanazawa Hiroshi
Kase Toehiyuki
Tanaka Akihiro
Asahi Kogaku Kogyo Kabushiki Kaisha
Font Frank G.
Nguyen Tu T.
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