Readhead for a photometric diagnostic instrument

Details Readhead for a photometric diagnostic instrument Readhead for a photometric diagnostic instrument

1997-03-20

1999-03-02

Hantis, K P

Optics: measuring and testing

Of light reflection

G01N 2155

Patent

active

058778632

ABSTRACT:
A readhead for a photometric diagnostic instrument for illuminating a target area substantially uniformly via only a single light-emitting diode (20) and receiving light from the target area so that reagent tests may be performed is provided with a housing (12, 14, 16) adapted to be incorporated in a photometric diagnostic instrument, first and second light sources (20) mounted in a fixed position relative to the housing (12, 14, 16), a light guide (26) mounted to receive light from each of the light sources (20) which conveys, when only one of the light sources (20) is illuminated, substantially all of the light from the light source (20) to illuminate a target area substantially uniformly, and a light detector (70) coupled to receive light from the target area. Each of the first and second light sources (20) is composed of only a single light-emitting diode (20) for emitting substantially monochromatic light of a different wavelength.

REFERENCES:
patent: 3907503 (1975-09-01), Betts et al.
patent: 4755058 (1988-07-01), Shaffer
patent: 5028139 (1991-07-01), Kramer et al.
patent: 5054487 (1991-10-01), Clarke
patent: 5165078 (1992-11-01), Hough et al.
patent: 5272518 (1993-12-01), Vincent
patent: 5303037 (1994-04-01), Taranowski
patent: 5518689 (1996-05-01), Dosmann et al.
patent: 5701181 (1997-12-01), Boiarski et al.
W. E. Howard, III, "An Introduction To Reflectance Spectroscopy For Dry Phase Reagent Chemistry", Miles Science Journal, pp. 33-37.

Affiliated with

Also associated with

Rating

Readhead for a photometric diagnostic instrument does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Readhead for a photometric diagnostic instrument, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Readhead for a photometric diagnostic instrument will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-427827