Process and apparatus for measuring the length of moving shaped

Details Process and apparatus for measuring the length of moving shaped Process and apparatus for measuring the length of moving shaped

1978-06-02

1980-05-20

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358100, 358101, H04N 718

Patent

active

042042240

ABSTRACT:
There is described a process and apparatus for non-contact measurement of the length of a moving shaped body, and particularly of red-hot semifinished products, by scanning the body with a high-speed camera, characterized in that after a starting signal is triggerd by the side of the shaped body which lies in the direction of movement, a high-speed television camera is triggered which is aligned on a window located at a distance 1.sub.1 from the point where the starting signal is triggered, and determines the length 1.sub.2 of the end of the moving shaped body which projects into the window by means of a slotted diaphragm moving at a high rate of speed and connected to a counter, in which the sum of 1.sub.1 and 1.sub.2 gives the total length of the moving object or body.

REFERENCES:
patent: 3254226 (1966-05-01), Bobula
patent: 3908077 (1975-09-01), Stut
patent: 4064534 (1977-12-01), Chen
patent: 4118732 (1978-10-01), Ichijima
patent: 4131490 (1978-12-01), Oishi
patent: 4135204 (1979-01-01), Davis

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