Particle measuring device

Details Particle measuring device Particle measuring device

1991-05-13

1992-06-23

Rosenberger, Richard A.

Optics: measuring and testing

For optical fiber or waveguide inspection

2504612, G01N 2164

Patent

active

051237318

ABSTRACT:
A particle measuring device having a light source for irradiating particles to be examined, light wavelength convertor provided in the optical path of the a light source and at least emitting a light converted into the short wavelength side relative to the wavelength of the incident light from the light source, and photometer for photometering the light from the particles to be examined.

REFERENCES:
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patent: 3934154 (1976-01-01), Cook
patent: 4131800 (1978-12-01), Bruck et al.
patent: 4243318 (1981-01-01), Stohr
patent: 4284355 (1981-08-01), Hansen et al.
patent: 4284412 (1981-08-01), Hansen et al.
patent: 4514257 (1985-04-01), Karlsson et al.
patent: 4612456 (1986-09-01), Gergely
patent: 4683212 (1987-07-01), Uffenheimer
patent: 4847198 (1989-07-01), Nelson et al.

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