Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Chemical analysis
Reexamination Certificate
2006-10-03
2006-10-03
Hoff, Marc S. (Department: 2857)
Data processing: measuring, calibrating, or testing
Measurement system in a specific environment
Chemical analysis
C702S128000, C702S149000, C702S150000
Reexamination Certificate
active
07117101
ABSTRACT:
A remote particle counter comprising a pulsed laser generator, laser light emitting optics, scattered light collecting optics, a high-sensitivity two-dimensional photo detector as a scattered light detecting portion having a fast gating capability such as a CCD camera, and a control and measure system, wherein suspended fine particles forming aerosols in the atmosphere which are far away from the site of laser emission are illuminated with laser light, the resulting backward scattered light from the individual fine particles is detected as image, and the number and size distribution of the suspended fine particles are measured at a remote site.
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patent: 5298905 (1994-03-01), Dahl
patent: 5394238 (1995-02-01), Mocker et al.
patent: 6066295 (2000-05-01), Bernstein et al.
patent: 6490530 (2002-12-01), Wyatt
patent: 2002/0118352 (2002-08-01), Ohzu et al.
Akaoka Katsuaki
Kato Masaaki
Maruyama Yoichiro
Ohzu Akira
Banner & Witcoff , Ltd.
Hoff Marc S.
Japan Atomic Energy Research Institute
Suarez Felix
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