Thermoluminescent reader system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7425705
APP PUB NO 20060131498A1
SERIAL NO

11017539

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Abstract

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A TLD reader system has a laser diode that heats a thermoluminescent material causing a hemispherical photon emission that is collected by a ball lens. A filter ensures the ball lens receives and collects a predetermined transmittance value of the photons emitted within a predetermined range of wavelength. The ball lens sends the collected photons via a fiber-optic connection to a detection module. An infrared sensor senses the temperature and monitors the heating profile of the thermoluminescent material. A computer-controlled feedback loop maintains a constant output power from the laser diode.

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ARMY UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THEWASHINGTON DC 20310

International Classification(s)

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  • 2004 Application Filing Year
  • G01T Class
  • 318 Applications Filed
  • 137 Patents Issued To-Date
  • 43.09 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20042005200620072008200920102011201220132014201520162017201820190255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Flournoy, James T Huntsville, AL 2 0
Harris, Jr William S Madison, AL 5 31

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges667221156111101 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 90051015202530354045505560657075

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