Photoelectric apparatus with light transmitter and light receiver
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Control of conveyor feed between work stations - has optical sensor coupled to detector circuit to control conveyor feed drive
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Alarm system with light barrier using existing installation - has receiver with amplifier and trigger for monoflop delay network superimposing frequency on mains
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Light-electrical arrangement with light transmitter and receiver - has partially-transmissive mirror inclined to beam path of transmitter and auxiliary transmitter or receiver
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Light absorption meter connected to alarm - has lamp and light sensor with adjacent lenses and calibrating blade or shutter between them
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Operating circuit for pulsed reflected light beam monitor - generates light beam pulses and detects reflected beam in single phase-locked circuit
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Optical counter for conveyors carrying bottles - has twin offset beam or oscillating single beam for error reduction (NL 10.1.78)
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Alarm unit with electromagnetic operation - uses capacitor discharge to operate striker upon radiation sensing from transmitter carried by alarm unit
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Photo-electronic object analysis device - has combined transmitter, receiver, and counter unit for light beam modified by object under examination
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Vehicle traffic control lights - are responsive to received signal for over-riding normal lights sequence
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Testing device for photoelectronic components - which emit invisible light and have emitted beam position located using photo cells and IR filter
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Photo electric yarn break monitor - formed by housing supporting light transmitter and receiver and associated electronic circuitry
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Photoelectric unit containing transmitter emitting invisible light - has receiver receiving part of light via reflector element
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Photoelectric control and testing device - has phototransmitter incorporated in emitter cct. of transistor whose collector cct. has device switch
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ARRANGEMENT ON PROCESSING MACHINES OF FAEDS AND FIBERS TO INFLUENCE THE DELIVERY SPEED
