Optical position-measuring sensor

Details Optical position-measuring sensor Optical position-measuring sensor

1985-11-06

1987-12-22

Fields, Carolyn E.

Radiant energy

Invisible radiation responsive nonelectric signalling

Luminescent device

250227, 250231P, 73800, G01D 526, G01J 3443

Patent

active

047148357

ABSTRACT:
An optical position-measuring sensor has a monolithic structure which includes at least two masses of photoluminescent material, which on excitation emit photoluminescent light with non-identical spectra. The at least two masses are supported in the sensor by a resilient part (e.g. a beam or diaphragm), the deflection of which determines the wavelength distribution of the luminescent light which is coupled into an optical wave conductor (e.g. a light fiber) terminating in the sensor.

REFERENCES:
patent: 2501560 (1950-03-01), Blau
patent: 3994009 (1976-11-01), Hartlaub
patent: 4451730 (1984-05-01), Brogardh et al.
patent: 4473747 (1984-09-01), Brogardh et al.
patent: 4562348 (1985-12-01), Brogardh et al.

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