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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

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At least 811 records · Page 45

Phase locking of field sequential color wheel for small TV camera

System employs synchronous motor driven by deflection waveform of TV and connected directly to color filter wheel to phase lock wheel to deflection unit. Innovation stabilizes color response of small TV cameras and allows for small, lightweight installations. Problems associated with motor phase changes are cited.

Niemyer, L. L.↗

A multiple-plate, multiple-pinhole camera for X-ray gamma-ray imaging

Plates with identical patterns of precisely aligned pinholes constitute lens system which, when rotated about optical axis, produces continuous high resolution image of small energy X-ray or gamma ray source. Camera has applications in radiation treatment and nuclear medicine.

Hoover, R. B.↗

An automatic underwater camera system

Automatic underwater camera system design and performance characteristics for time lapse photography of algae growth and sedimentation

Jirberg, R. J.↗