Optics: measuring and testing – Velocity or velocity/height measuring – With light detector
Patent
1994-05-26
1996-10-22
Buczinski, Stephen C.
Optics: measuring and testing
Velocity or velocity/height measuring
With light detector
273 25, 273 29R, 473131, 473190, 473219, G01D 336, A63B 6700, A63B 6100, A63B 5500
Patent
active
055682502
ABSTRACT:
An apparatus for measuring the flying velocity of a spherical object, including ray projecting devices for emitting a plurality of parallel rays of light, ray receiving devices for detecting the incidences of said rays of light on them and the interceptions of said rays of light, an instrumentation device for measuring the time for which said rays of light are blocked off by a spherical object in flight, upon detecting signals given by said ray receiving devices, and an arithmetic operation device, such as a computer. The parallel rays of light emitted by using the ray projecting devices are arranged within a plane, and their respective positions are known quantities. The distance between every two rays of light is set such as to be less than the radius of the spherical object. The arithmetic operation device is used to compute the flying velocity of the spherical object in flight on the basis of the locations of the rays of light which are blocked off, and the interception time of the rays of light which is measured by using the instrumentation device.
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patent: 5437457 (1995-08-01), Churchod
Nishiyama Tetsuji
Teraguchi Takashi
Buczinski Stephen C.
Sumitomo Rubber Industries Ltd.
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