Optics: measuring and testing – Range or remote distance finding – With photodetection
Patent
1982-08-26
1985-11-12
Buczinski, S. C.
Optics: measuring and testing
Range or remote distance finding
With photodetection
356 285, 343 9PS, 343 10, 343 12R, G01C 308, G01P 336
Patent
active
045524564
ABSTRACT:
An optical pulse radar for an automotive vehicle of heterodyne detection-type which can detect an object ahead of the vehicle with an improved S/N radio even under the worst detection conditions in which sunlight or a strong headlight beam from a car is directly incident thereupon. The optical pulse radar according to the present invention comprises a laser system, a beam splitter for obtaining a carrier beam and a heterodyne beam, a beam deflector, a beam modulator, a beam mixer for obtaining a beat beam signal, a beam sensor and, a beat signal processing section, etc. An optical IC may incorporate the beam splitter and mixer, the beam modulator, and the beam deflector in order to miniaturize the system, while improving the sensitivity, reliability, massproductivity, and cost.
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The Radar Handbook, Merrill I. Skolnick, McGraw-Hill Co. pp. 28, 29.
Introduction to Radar Systems, Merrill I. Skolnick--McGraw-Hill Co. pp. 77, 78 (1962).
Buczinski S. C.
Nissan Motor Company Limited
Sotomayor John B.
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