Method for flashing a stroboscope for use with judging the good or bad of an object to be inspected
First Claim
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1. A method for flashing a stroboscope for use with judging the good or bad of an object to be inspected comprising the steps of:
- (a) picking up an object by a television camera and producing a video signal thereof;
(b) providing a stroboscope for irradiation of said object with light therefrom;
(c) separating a vertical synchronizing signal from said video signal;
(d) detecting said object arriving at a predetermined detecting position and producing a position detecting signal, having an ON signal period longer than the period between adjacent vertical synchronizing signals;
(e) generating a signal for flashing said stroboscope when both of said position detecting signal and said vertical synchronizing signal exist,whereby the video signal of said object is delivered from said television camera at the beginning of the scanning thereof.
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Abstract
An object is picked-up by a television camera and a video signal thereof is produced. A stroboscope flash radiates the object with the light therefrom, detecting the object arriving at a predetermined detecting position and producing a position detecting signal. A synchronizing signal is separated from the video signal, and a signal for flashing the stroboscope is generated when both of the position detecting signal and the synchronizing signal exist, so that the video signal of the object is delivered from the television camera at the beginning of the scanning thereof.
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1 Claim
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1. A method for flashing a stroboscope for use with judging the good or bad of an object to be inspected comprising the steps of:
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(a) picking up an object by a television camera and producing a video signal thereof; (b) providing a stroboscope for irradiation of said object with light therefrom; (c) separating a vertical synchronizing signal from said video signal; (d) detecting said object arriving at a predetermined detecting position and producing a position detecting signal, having an ON signal period longer than the period between adjacent vertical synchronizing signals; (e) generating a signal for flashing said stroboscope when both of said position detecting signal and said vertical synchronizing signal exist, whereby the video signal of said object is delivered from said television camera at the beginning of the scanning thereof.
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Specification
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Current AssigneeHajime Industries Limited, Stanley Electric Company Limited
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Original AssigneeStanley Electric Company Limited
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InventorsKubota, Yutaka
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Primary Examiner(s)BRITTON, HOWARD W
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Application NumberUS06/215,138Time in Patent Office853 DaysField of Search358/101, 358/106, 358/107, 358/108, 358/93, 356/23US Class Current348/132CPC Class CodesB07C 5/10 measured by light-responsiv...G01B 11/022 by means of tv-camera scanningH04N 7/188 Capturing isolated or inter...
