Optics: measuring and testing – Of light reflection – With diffusion
Reexamination Certificate
2007-02-06
2007-02-06
Rosenberger, Richard A. (Department: 2877)
Optics: measuring and testing
Of light reflection
With diffusion
C250S22300B, C250S341800, C250S910000, C209S587000
Reexamination Certificate
active
10727491
ABSTRACT:
A method and apparatus of sorting plant products based on damage to the plant products is disclosed. A beam emitter emits an illumination light toward the outer surface of a plant product. A beam detector detects substantially a single wavelength of a reflected light produced by the plant product responsive to the illumination light. A control unit determines at least one of a presence, an amount, and a severity of damage responsive to the reflected light. The control unit assigns a damage category to the plant product responsive to the determination of damage.
REFERENCES:
patent: 4221297 (1980-09-01), Aranda Lopez et al.
patent: 5164795 (1992-11-01), Conway
patent: 5487472 (1996-01-01), Satake et al.
patent: 5791497 (1998-08-01), Campbell et al.
Affeldt, Jr. Henry A.
Gonzales, Jr. Matias C.
Heck Richard D.
Ibarra Juan Gutierrez
Sheffler James B.
Rosenberger Richard A.
Sughrue & Mion, PLLC
Sunkist Growers Inc.
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