Bichromatic method and apparatus for detecting peach pit fragmen

Details Bichromatic method and apparatus for detecting peach pit fragmen Bichromatic method and apparatus for detecting peach pit fragmen

1995-07-14

1998-05-05

Nguyen, Tuan

Optics: measuring and testing

By shade or color

With color determination by light intensity comparison

356448, 209542, 209587, 209920, 209938, 250226, 198382, G01J 346, B07C 500

Patent

active

057483248

ABSTRACT:
A method and apparatus are provided for detecting the presence of pit fragments as small as 2 mm.sup.2 in pitted peach halves. Pitted peach halves are agitated into a cup-up position, are conveyed to a position adjacent an inspection zone and are launched airborne into the inspection zone. Each peach half in the inspection zone is illuminated by a pair of quartz halogen lights and the diffusely reflected light is separated into first and second beams. The first and second beams are filtered to extract a first relatively wide wavelength band centered at 600 nm and a second relatively wide wavelength band centered at 750 nm. Preferably, each wavelength band is approximately 70 nm. Each of the wavelength bands enters a separate line scan camera for acquiring image signals from each wavelength band. The signals from both cameras are combined and enhanced to determine the presence or absence of fragments.

REFERENCES:
patent: 3666079 (1972-05-01), Anderson et al.
patent: 3910416 (1975-10-01), Payne
patent: 4131540 (1978-12-01), Husome et al.
patent: 4146135 (1979-03-01), Sarkar et al.
patent: 4260062 (1981-04-01), Lockett
patent: 4300689 (1981-11-01), Franklin et al.
patent: 4325256 (1982-04-01), Horn
patent: 4666045 (1987-05-01), Gillespie et al.
patent: 4878582 (1989-11-01), Codding
patent: 4909930 (1990-03-01), Cole
patent: 5077477 (1991-12-01), Stroman et al.
patent: 5265732 (1993-11-01), Long
patent: 5345081 (1994-09-01), Rogers

Affiliated with

Also associated with

Rating

Bichromatic method and apparatus for detecting peach pit fragmen does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Bichromatic method and apparatus for detecting peach pit fragmen, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Bichromatic method and apparatus for detecting peach pit fragmen will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-60454