Optics: measuring and testing – Velocity or velocity/height measuring – With light detector
Patent
1976-11-08
1979-01-30
Buczinski, S. C.
Optics: measuring and testing
Velocity or velocity/height measuring
With light detector
250222PC, 358105, 358107, G01P 336, H04N 718
Patent
active
041369505
ABSTRACT:
A microscope system for observing moving particles makes use of a television camera for producing a continuing series of images of such particles. A source of light pulses illuminate the particles with each pulse for a period short enough to stop their movement for the camera. The light source and camera are synchronized so that the light pulses occur only between times that the camera produces image-information signals. For obtaining particle size measurements, a single light pulse during a time that the camera is not producing image-information signals is sufficient. For obtaining paticle velocity measurements, two light pulses are required so that a "double exposure" occurs at the camera during a time that the camera is not producing image-information signals.
REFERENCES:
patent: 3275744 (1966-09-01), Dietrich
patent: 3706495 (1972-12-01), Dotson, Jr.
patent: 3781468 (1973-12-01), Chomet et al.
patent: 3787118 (1974-01-01), Nowicki et al.
patent: 3824393 (1974-07-01), Brain
patent: 3890462 (1975-06-01), Limb et al.
Edmunds Scientific Co. Catalog 741; Sep. 1973; p. 153.
Labrum Joseph H.
Stewart Donald R.
Buczinski S. C.
Labrum Engineering, Inc.
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