Optics: measuring and testing – Angle measuring or angular axial alignment – With photodetection remote from measured angle
Patent
1990-05-31
1993-12-07
Buczinski, Stephen C.
Optics: measuring and testing
Angle measuring or angular axial alignment
With photodetection remote from measured angle
2502033, 2502061, 352 53, 358125, 318640, G01B 1126, G01J 120, G03B 1918, G05B 106
Patent
active
052687341
ABSTRACT:
The system includes a mobile remote unit sensitive to infrared (IR) signals transmitted by a base or stationary unit and an IR transmitter which is placed behind a rotating lens whose position at any time is known with precision resulting in the IR signal being "scanned" across an area. The remote unit detects when the peak strength of the signal occurs and provides this data via an RF signal to the base unit wherein the exact effective angle between the axis of the IR signal and the remote unit creates an error signal used by the base unit to position the camera mounted thereon. Transmitters for TILT and two PAN positions, PAN 1 and PAN 2, are used to include range calculations for ZOOM functions. Command circuitry to override the automatic tracking function is provided in each of the units.
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Daber Richard P.
Mix John D.
Parker Jeffrey L.
Sorrells David F.
Buczinski Stephen C.
ParkerVision, Inc.
Yeager Arthur G.
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