Range finding device

Details Range finding device Range finding device

1982-01-15

1984-09-04

Perkey, William B.

Radiant energy

Ionic separation or analysis

Static field-type ion path-bending selecting means

3541951, 250204, 318601, G03B 310, G03B 1320, G05B 1927

Patent

active

044694172

ABSTRACT:
This invention presents a range finding device when 1st and 2nd detection images of an object are scanned by signal storing type image sensing means to obtain image scan signals, which are quantized by quantization means to produce quantized image data for said 1st and 2nd detection images. On the basis of the thus obtained quantized image data, the location within the 2nd detection images of one set of M successive elements of the 2nd detection image which is most similar to M successive elements of the 1st detection image is detected, and with the aid of the data of this location, the distance between the device and the object is determined. According to this improved device, sequence control means, which controls a series of operations for range finding, will firstly cancel the signals stored in said image sensing means as unnecessary signals, when said series of operations is initiated, and then enables proper storing of image signals in the image sensing means so as to properly control the device.

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