Two-axis quartz fiber passive tilt meter

Details Two-axis quartz fiber passive tilt meter Two-axis quartz fiber passive tilt meter

1986-12-29

1989-03-14

Howell, Janice A.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

33366, 33392, G01C 906

Patent

active

048126543

ABSTRACT:
A two-axis quartz fiber passive tilt meter which includes housing and a quartz fiber suspended from the housing for conducting radiation and emitting the radiation from a distal end thereof. A pendulous mass is suspended from the quartz fiber and a damping fluid in the housing surrounds the quartz fiber and the mass. A detector senses the position of the spot of radiation emitted from the quartz fiber.

REFERENCES:
patent: 2876672 (1959-03-01), Buckley et al.
patent: 3097565 (1963-07-01), Kupelian
patent: 3727055 (1973-04-01), David et al.
patent: 4592147 (1986-06-01), Herman
patent: 4627172 (1986-12-01), Afromowitz

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