Add to ORKGIndividual frames on a photographic film strip in a projector are automatically positioned by a simple circuit. The circuit uses a photodiode that senses frame registry position and a relay that stops the film-advance motor to suspend the film at point of registry
Shadowgraph system projects magnified image on screen so that alignment of small electrodes mounted ...
Multiple circuit switch apparatus requiring minimum hand and eye movement by operato
Lamp with primary and secondary filaments has a means for automatic switching to the secondary filam...
Camera is modified by inserting optical imaging system between lens and film. This system requires n...
Device projects visual pattern limits of the field of view of an operator as his eyes are directed a...
Scan-in scan-out flying spot scanning system recognizes three different levels of transmissivity wit...
An electronic circuit for controlling the focus of facsimile cameras is described. The circuit consi...
Shutter design consists of two axially mounted spring driven rotating blades with two lenses mounted...
Photoelectric sensor enables synchronization of the rotating mirror in a high-speed framing camera w...
A diazo photographic process of clear plastic masters is used in reproducing front and back printed ...
Stereoscopic television pictures are produced by placing a colorless, transparent screen of adjacent...
Sleeve-type shutters mechanically adjust individual galvanometer light beams onto or away from selec...
Laser activated ultraprecision ranging apparatus interfaced with a computer determines point coordin...
Data acquisition system translates and processes graphical information recorded on high speed photog...
Standard developer solution is mixed with dipropyl carbonate. This reduces swelling in the photosens...
Shadowgraph system projects magnified image on screen so that alignment of small electrodes mounted ...
Multiple circuit switch apparatus requiring minimum hand and eye movement by operato
Lamp with primary and secondary filaments has a means for automatic switching to the secondary filam...
Camera is modified by inserting optical imaging system between lens and film. This system requires n...
Device projects visual pattern limits of the field of view of an operator as his eyes are directed a...
Scan-in scan-out flying spot scanning system recognizes three different levels of transmissivity wit...
An electronic circuit for controlling the focus of facsimile cameras is described. The circuit consi...
Shutter design consists of two axially mounted spring driven rotating blades with two lenses mounted...
Photoelectric sensor enables synchronization of the rotating mirror in a high-speed framing camera w...
A diazo photographic process of clear plastic masters is used in reproducing front and back printed ...
Stereoscopic television pictures are produced by placing a colorless, transparent screen of adjacent...
Sleeve-type shutters mechanically adjust individual galvanometer light beams onto or away from selec...
Laser activated ultraprecision ranging apparatus interfaced with a computer determines point coordin...
Data acquisition system translates and processes graphical information recorded on high speed photog...
Standard developer solution is mixed with dipropyl carbonate. This reduces swelling in the photosens...
Shadowgraph system projects magnified image on screen so that alignment of small electrodes mounted ...
Multiple circuit switch apparatus requiring minimum hand and eye movement by operato
Lamp with primary and secondary filaments has a means for automatic switching to the secondary filam...