Method of and apparatus for sensing the position of a body

Details Method of and apparatus for sensing the position of a body Method of and apparatus for sensing the position of a body

1973-10-16

1976-05-18

Wilbur, Maynard R.

Optics: measuring and testing

Angle measuring or angular axial alignment

With photodetection remote from measured angle

250203R, 350274, G01B 1126

Patent

active

039573770

ABSTRACT:
The position of a body is determined using a beam of electro-magnetic waves directed along a sight line generally towards the body. The cross-section of the beam is changed and a sensor mounted on the body senses these changes in cross-section and from the time periods in which electro-magnetic waves are received by the sensor two signals are produced in sequence, a first signal representative of a first co-ordinate position of the body within the cross-section of the beam and a second signal representative of a second co-ordinate position of the body within the cross-section of the beam.

REFERENCES:
patent: 2813460 (1957-11-01), Wallin
patent: 3423591 (1969-01-01), Schrempp
patent: 3478212 (1969-11-01), Turck
patent: 3662180 (1972-05-01), Jorgensen et al.

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