Photo-voltaic trigger system

Photo-voltaic trigger system

A trigger system including a photosensor having a polarizing light filter n positioned in a light receiving end of a housing. A lens is disposed in the housing for focusing light onto a transducer. A switch is electronically coupled to the transducer for selecting either a passive or active mode. In...

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1. Verfasser: WOLF PETER H
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
PULSE TECHNIQUE
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description A trigger system including a photosensor having a polarizing light filter n positioned in a light receiving end of a housing. A lens is disposed in the housing for focusing light onto a transducer. A switch is electronically coupled to the transducer for selecting either a passive or active mode. In the active mode, a light source is directed at the photosensor, whereby a trigger signal is generated when an object disrupts the received light. In the passive mode, an opaque screen is spaced from the photosensor and a source of light is directed at the opaque screen, whereby a trigger signal is generated from the light reflected from an object positioned between the screen and photosensor. The trigger system may be electronically linked to a photographic system for high speed or action photography.
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A lens is disposed in the housing for focusing light onto a transducer. A switch is electronically coupled to the transducer for selecting either a passive or active mode. In the active mode, a light source is directed at the photosensor, whereby a trigger signal is generated when an object disrupts the received light. In the passive mode, an opaque screen is spaced from the photosensor and a source of light is directed at the opaque screen, whereby a trigger signal is generated from the light reflected from an object positioned between the screen and photosensor. The trigger system may be electronically linked to a photographic system for high speed or action photography.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record>
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subjects BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
PULSE TECHNIQUE
title Photo-voltaic trigger system
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