RANGE FINDER IN CAMERA

PURPOSE:To perform multipoint range finding by simple constitution by irradiating the different positions within a visual field with the lights from a plurality of light sources and respectively detecting the input positions of the reflected lights to one unidimensional semiconductor position detect...

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Bibliographische Detailangaben
1. Verfasser:	TAKEHANA TAKAMICHI
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY ELECTROGRAPHY GYROSCOPIC INSTRUMENTS HOLOGRAPHY MEASURING MEASURING ANGLES MEASURING AREAS MEASURING DISTANCES, LEVELS OR BEARINGS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS NAVIGATION OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHOTOGRAPHY PHYSICS SURVEYING TESTING
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Beschreibung
Zusammenfassung:	PURPOSE:To perform multipoint range finding by simple constitution by irradiating the different positions within a visual field with the lights from a plurality of light sources and respectively detecting the input positions of the reflected lights to one unidimensional semiconductor position detection element to calculate a distance. CONSTITUTION:A light emitting source 13 has (n) light emitting elements IR1 - IRn and the projected lights from the respective light emitting elements are projected through a projection lens on to the object 15 corresponding in the direction of the respective light emitting elements. The reflected lights from the object 15 are incident on a unidimensional semiconductor position detection element 14 through alight detection lens 12 and the distance up to the object 15 is calculated from the incident positions. The light emitting elements IR1 - IRn are successively turned ON to perform the range finding of the corresponding visual field part.