US3644667A
Expired / Lapsed
US
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Apparatus for displaying a temperature distribution pattern
Assignee: JFE Engineering Corp
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Filing: 1969-06-11
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Granted: 1972-02-22
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Expires: 1989-06-11
Abstract
Abstract An apparatus for displaying a temperature distribution pattern which comprises means for obtaining from a television camera device signals having amplitudes corresponding to the respective temperature zones involved in the temperature distribution pattern of a foreground subject, means for dividing these signals into several groups according to said temperature zones and means for displaying on the color television image receiving tube a hue distribution pattern corresponding to the respective groups of divided signals.
Inventors
- 👤 Teruo Shimotsuma
- 👤 Toshihiro Mori
- 👤 Kazuo Sano
- 👤 Seigo Ando
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:02
CPC Classifications
G; G01; G01J; G01J5/00; G01J5/02; G01J5/025; G01K; G01K1/00; G01K1/02; H; H04; H04N; H04N9/00; H04N9/43; G01J2005/0077; G01J5/48
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
195 words
An apparatus for displaying a temperature distribution pattern comprising: a. a television camera device having a sufficient sensitivity to heat rays radiated from a foreground subject within the range of its temperature to be detected and producing image signals corresponding to the respective temperature zones involved in the temperature distribution pattern of said subject; b. a voltage generator for producing a plurality of reference voltage signals having different levels corresponding to predetermined temperatures to divide said image signals into the predetermined number of zone group signals including zone signals corresponding to said temperature zone; c. a plurality of gate circuits each supplied with said image signals to be divided and one of said reference voltage signals to produce said zone group signals; d. a plurality of saturating circuits comprising differential amplifiers for producing said zone signals corresponding to the difference between the respective adjacent zone group signals and, limiters for limiting the amplitude of outputs from the differential amplifiers; e. video amplifiers for amplifying outputs from the saturating circuits; and f. means for displaying in different hues the temperature distribution pattern of said subject by supplying said video amplifier outputs to a color receiving tube.
Claim 2
Independent Claim
195 words
An apparatus for displaying a temperature distribution pattern comprising: a. a television camera device having a sufficient sensitivity to heat rays radiated from a foreground subject within the range of its temperature to be detected and producing image signals corresponding to the respective temperature zones involved in the temperature distribution pattern of said subject; b. a voltage generator for producing a plurality of reference voltage signals having different levels corresponding to predetermined temperatures to divide said image signals into the predetermined number of zone group signals including zone signals corresponding to said temperature zone; c. a plurality of gate circuits each supplied with said image signals to be divided and one of said reference voltage signals to produce said zone group signals; d. a plurality of saturating circuits comprising differential amplifiers for producing said zone signals corresponding to the difference between the respective adjacent zone group signals and, limiters for limiting the amplitude of outputs from the differential amplifiers; e. video amplifiers for amplifying outputs from the saturating circuits; and f. means for displaying in different hues the temperature distribution pattern of said subject by supplying said video amplifier outputs to a color receiving tube.
Claim 3
Dependent Claim
56 words
An apparatus for displaying the temperature distribution pattern according to claim 1 wherein said displaying means comprises a plurality of diodes connected between the saturating circuits and video amplifiers, and division resistors so as to supply outputs from the saturating circuits to at least two video amplifiers in prescribed proportion and indicate desired hues in combination.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-02-21 | 1975-08-23 | 1976-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-21 | 1979-08-23 | 1980-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-21 | 1983-08-23 | 1984-02-22 | $7700.00 | Window Closed / Lapsed |