JPS5611326A - Infrared ray detecting unit - Google Patents

Infrared ray detecting unit

Info

Publication number
JPS5611326A
JPS5611326A JP8786779A JP8786779A JPS5611326A JP S5611326 A JPS5611326 A JP S5611326A JP 8786779 A JP8786779 A JP 8786779A JP 8786779 A JP8786779 A JP 8786779A JP S5611326 A JPS5611326 A JP S5611326A
Authority
JP
Japan
Prior art keywords
radiated
detecting element
rays
infrared rays
light
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP8786779A
Other languages
Japanese (ja)
Inventor
Shoji Doi
Hiroshi Takigawa
Soichi Imai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP8786779A priority Critical patent/JPS5611326A/en
Publication of JPS5611326A publication Critical patent/JPS5611326A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/52—Radiation pyrometry, e.g. infrared or optical thermometry using comparison with reference sources, e.g. disappearing-filament pyrometer

Abstract

PURPOSE:To obtain a wide reference light easily, by installing a half mirror and a light polarizer between an infrared ray detecting element and a heating element whose temperature can be controlled, and by mixing radiated infrared rays of the detector itself and radiated infrared rays of the heating element above. CONSTITUTION:In case that the temperature of a reference light source is not measured, light polarizer, for example, total reflection mirror 5 is moved to position 5', where light path (a) is not shielded, to lead radiated rays from the observation object existing on the same path (a), and these rays are condensed to detect infrared rays of the object. Next, in case that the reference temperature is measured by detecting element 1, total reflection mirror 5 is moved onto light path (a), and the light path of infrared rays incident onto the detecting element is switched to (b). The sum of the quality of infrared rays, which are radiated from controllable heating element 6 and pass through half mirror 4, and the quantity of rays, which are radiated from detecting element 1 cooled in cooler A and are reflected by half mirror, is led to detecting element 1 and is measured as the reference temperature.
JP8786779A 1979-07-10 1979-07-10 Infrared ray detecting unit Pending JPS5611326A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8786779A JPS5611326A (en) 1979-07-10 1979-07-10 Infrared ray detecting unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8786779A JPS5611326A (en) 1979-07-10 1979-07-10 Infrared ray detecting unit

Publications (1)

Publication Number Publication Date
JPS5611326A true JPS5611326A (en) 1981-02-04

Family

ID=13926818

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8786779A Pending JPS5611326A (en) 1979-07-10 1979-07-10 Infrared ray detecting unit

Country Status (1)

Country Link
JP (1) JPS5611326A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58111626U (en) * 1982-01-26 1983-07-29 株式会社クボタ Front wheel drive system for vehicles

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5264979A (en) * 1975-11-26 1977-05-28 Fujitsu Ltd Ultrared image system
JPS5220879B1 (en) * 1972-07-04 1977-06-07

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5220879B1 (en) * 1972-07-04 1977-06-07
JPS5264979A (en) * 1975-11-26 1977-05-28 Fujitsu Ltd Ultrared image system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58111626U (en) * 1982-01-26 1983-07-29 株式会社クボタ Front wheel drive system for vehicles
JPS6313059Y2 (en) * 1982-01-26 1988-04-14

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