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JPS56160628A - Infrared detector - Google Patents

Infrared detector

Info

Publication number
JPS56160628A
JPS56160628A JP6424780A JP6424780A JPS56160628A JP S56160628 A JPS56160628 A JP S56160628A JP 6424780 A JP6424780 A JP 6424780A JP 6424780 A JP6424780 A JP 6424780A JP S56160628 A JPS56160628 A JP S56160628A
Authority
JP
Japan
Prior art keywords
vibrators
infrared
detector
infrared ray
nonpassing
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.)
Granted
Application number
JP6424780A
Other languages
Japanese (ja)
Other versions
JPS611700B2 (en
Inventor
Yukinori Kuwano
Shoichi Nakano
Yasuo Kishi
Toshiaki Yokoo
Kenichi Shibata
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co 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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP6424780A priority Critical patent/JPS56160628A/en
Publication of JPS56160628A publication Critical patent/JPS56160628A/en
Publication of JPS611700B2 publication Critical patent/JPS611700B2/ja
Granted 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
    • G01J5/02—Constructional details
    • G01J5/08—Optical arrangements
    • G01J5/0803—Arrangements for time-dependent attenuation of radiation signals
    • G01J5/0805—Means for chopping radiation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Radiation Pyrometers (AREA)

Abstract

PURPOSE:To enable an infrared detector to be miniaturized as well as the measuring accuracy to be improved, by employing a pair of vibrators which have infrared ray passing and nonpassing parts and vibrate at cycles different from each other, in order to intermittently interrupt the incident infrared rays. CONSTITUTION:The incident infrared rays are interrupted by using a pair of vibrators which have infrared ray passing and nonpassing parts and vibrate at cycles different from each other. A detector which generates an electric charge according to the change in the infrared ray strengh on doing this is used together therewith to constitute an infrared detector. For example, the infrared rays emitted from a body 1 being inspected are focused by means of a lens 2 and then passed through a pair of vibrators 4 and 5 which have infrared ray passing and nonpassing parts and vibrate at frequencies different from each other, before being detected by using a pyroelectric detector 11. A diode 12 and a processor 13 perform the room temperature correction, and a display device 11 displays the result. In said method, no motor and chopper are needed, and the cycles of the vibrators are accurate. Accordingly, it becomes possible both to miniaturize the measuring instrument and to improve the measuring accuracy.
JP6424780A 1980-05-14 1980-05-14 Infrared detector Granted JPS56160628A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6424780A JPS56160628A (en) 1980-05-14 1980-05-14 Infrared detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6424780A JPS56160628A (en) 1980-05-14 1980-05-14 Infrared detector

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP57184906A Division JPS5882136A (en) 1982-10-20 1982-10-20 Infrared ray detector

Publications (2)

Publication Number Publication Date
JPS56160628A true JPS56160628A (en) 1981-12-10
JPS611700B2 JPS611700B2 (en) 1986-01-20

Family

ID=13252625

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6424780A Granted JPS56160628A (en) 1980-05-14 1980-05-14 Infrared detector

Country Status (1)

Country Link
JP (1) JPS56160628A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58129334A (en) * 1982-01-29 1983-08-02 Sanyo Electric Co Ltd Infrared detector
JPS58129226A (en) * 1982-01-27 1983-08-02 Sanyo Electric Co Ltd Infrared detector
JPS5931032U (en) * 1982-08-20 1984-02-27 三洋電機株式会社 temperature sensor

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58129226A (en) * 1982-01-27 1983-08-02 Sanyo Electric Co Ltd Infrared detector
JPH0262810B2 (en) * 1982-01-27 1990-12-26 Sanyo Electric Co
JPS58129334A (en) * 1982-01-29 1983-08-02 Sanyo Electric Co Ltd Infrared detector
JPH0216858B2 (en) * 1982-01-29 1990-04-18 Sanyo Electric Co
JPS5931032U (en) * 1982-08-20 1984-02-27 三洋電機株式会社 temperature sensor

Also Published As

Publication number Publication date
JPS611700B2 (en) 1986-01-20

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