Thermoluminescent reader system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Sep 16, 2008
Grant Date -
Jun 22, 2006
app pub date -
Dec 20, 2004
filing date -
Dec 20, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
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.
First Claim
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Family
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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ARMY UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE | WASHINGTON DC 20310 |
International Classification(s)

- 2004 Application Filing Year
- G01T Class
- 318 Applications Filed
- 137 Patents Issued To-Date
- 43.09 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Flournoy, James T | Huntsville, AL | 2 | 0 |
# of filed Patents : 2 Total Citations : 0 | |||
Harris, Jr William S | Madison, AL | 5 | 31 |
# of filed Patents : 5 Total Citations : 31 |
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Patent Citation Ranking
- 0 Citation Count
- G01T Class
- 0 % this patent is cited more than
- 17 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

Legal Events
Date | Code | Event | Description |
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Jun 14, 2021 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
Jun 14, 2021 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | free format text: PATENT EXPIRED FOR FAILURE TO PAY MAINTENANCE FEES (ORIGINAL EVENT CODE: EXP.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
May 09, 2021 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: May 09, 2021 |
Dec 28, 2020 | FEPP | FEE PAYMENT PROCEDURE | free format text: MAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
May 09, 2017 | I | Issuance | |
Apr 19, 2017 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Dec 08, 2016 | FEPP | FEE PAYMENT PROCEDURE | free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Aug 25, 2016 | P | Published | |
Aug 28, 2015 | F | Filing | |
Aug 18, 2015 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:NAGAMUNE, YASUSHI;REEL/FRAME:036448/0489 Owner name: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE Effective Date: Aug 18, 2015 |
Mar 12, 2013 | PD | Priority Date |

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