Heat detector
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
Aug 7, 2003
app pub date -
Feb 7, 2002
filing date -
Feb 7, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Importance

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Abstract
The present invention has a microprocessor, a head sensor, a graphic display and a keypad. When a distance between the heat sensor and heat source changes, a frequency of a wave pattern shown on the graphic display has high and low states. The user just sees the graphic display to clearly know whether the heat source close to the body from the frequency of wave pattern changing. Besides the heat detector further has at least one laser diode to point a position corresponding to the location of the heat source and an alarm unit to warn the user that the heat source is closing.
First Claim
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Family
- No Family data available.
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
POE LANG ENTERPRISE CO LTD | NO 17 ALLEY 46 LANE 484 SEC 2 FENG SHIH ROAD FENG YUAN DIST TAICHUNG CITY 42081 |
International Classification(s)

- 2002 Application Filing Year
- G08B Class
- 1302 Applications Filed
- 552 Patents Issued To-Date
- 42.40 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Liu, Chi-Chang | Feng-Yuan City, TW | 59 | 174 |
# of filed Patents : 59 Total Citations : 174 |
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Patent Citation Ranking
- 0 Citation Count
- G08B Class
- 0 % this patent is cited more than
- 22 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 |
---|---|---|---|
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 |
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