Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1994-04-26
1997-12-02
Allen, Stephone
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
73705, H01J 516
Patent
active
056939361
ABSTRACT:
A physical quantity detecting apparatus comprises at least one optical fiber, at least one light emitting means for emitting an incident light beam on the optical fiber, at least one light receiving means for detecting an outgoing light beam from the optical fiber, physical quantity applied position information generating means for providing information indicative of a position of a portion at which a physical quantity is applied to the optical fiber, and operation means for receiving signals from the light receiving means and physical quantities applied position information generating means and calculating a change with time in physical quantity at respective positions on the optical fiber.
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Komachiya Masahiro
Kurita Masahiro
Oho Shigeru
Sasayama Takao
Shimada Satoshi
Allen Stephone
Hitachi , Ltd.
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