Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1990-04-19
1992-01-28
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
385123, H01J 4014
Patent
active
050846159
ABSTRACT:
An optical fibre sensor includes an elongate optical fibre and a casing for the fibre, the casing including a first elongate, flexible and substantially inextendable strip portion and a second elongate, flexible strip portion arranged so that the fibre therebetween is sandwiched between the strip portions, at least the first strip portion being provided with a series of transverse ridges for engaging the fibre, with grooves being formed between the ridges, and the other strip portion being adapted to bend the fibre into the grooves upon pressing together of the strip portions.
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patent: 4342907 (1982-08-01), Macedo et al.
patent: 4463254 (1984-07-01), Asawa et al.
patent: 4572950 (1986-02-01), Harmer
patent: 4618764 (1986-10-01), Harmer
patent: 4770492 (1988-09-01), Levin et al.
Bestquint Limited
Goldberg Richard M.
Le Que T.
Nelms David C.
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