Circuit for the sensor controlled distance measurement

Details Circuit for the sensor controlled distance measurement Circuit for the sensor controlled distance measurement

1980-07-24

1983-01-25

Gruber, Felix D.

Boots, shoes, and leggings

250201, 354 25, 364728, G01C 308, G01C 332, G06F 15336

Patent

active

043707246

ABSTRACT:
A circuit for sensor controlled distance measurement is disclosed having two linear image sensors which are positioned to receive corresponding lines of two images derived from an object. The sensor signals are subjected to correlation measurements from which the distance of the object is determined. In the case of circuits of this sort, one endeavors to attain as exact and unfalsified a distance measurement as possible. For this purpose, the sensor signals are digitalized in evaluators, then read via transfer transistors into shift registers which undertake relative position displacements of the sensor signals in a longitudinal direction of the image sensors between individual signal cycles, and are subject to a correlation measurement. The circuit distinguishes itself in that the digital evaluation proceeds completely independently of parameters of the shift register and is thus carried out very precisely. Applications include photographic and electronic cameras.

REFERENCES:
patent: 3777133 (1973-12-01), Beck et al.
patent: 4059756 (1977-11-01), Wilwerding
patent: 4135815 (1979-01-01), Masunaga et al.
patent: 4161033 (1979-07-01), Martinson
patent: 4178098 (1979-12-01), Asano et al.
patent: 4255795 (1981-03-01), Hechtenberg

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