JPS6150245B2 - - Google Patents

Info

Publication number
JPS6150245B2
JPS6150245B2 JP54024778A JP2477879A JPS6150245B2 JP S6150245 B2 JPS6150245 B2 JP S6150245B2 JP 54024778 A JP54024778 A JP 54024778A JP 2477879 A JP2477879 A JP 2477879A JP S6150245 B2 JPS6150245 B2 JP S6150245B2
Authority
JP
Japan
Prior art keywords
optical
light
lenses
lens
chopper
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.)
Expired
Application number
JP54024778A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55116227A (en
Inventor
Tsutomu Aoyama
Ikutaro Kobayashi
Junichiro Minowa
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.)
NEC Corp
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
Nippon 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 Nippon Telegraph and Telephone Corp, Nippon Electric Co Ltd filed Critical Nippon Telegraph and Telephone Corp
Priority to JP2477879A priority Critical patent/JPS55116227A/ja
Publication of JPS55116227A publication Critical patent/JPS55116227A/ja
Publication of JPS6150245B2 publication Critical patent/JPS6150245B2/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
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/20—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle
    • G01J1/34—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using separate light paths used alternately or sequentially, e.g. flicker
    • G01J1/36—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using separate light paths used alternately or sequentially, e.g. flicker using electric radiation detectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
JP2477879A 1979-03-02 1979-03-02 Light chopper Granted JPS55116227A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2477879A JPS55116227A (en) 1979-03-02 1979-03-02 Light chopper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2477879A JPS55116227A (en) 1979-03-02 1979-03-02 Light chopper

Publications (2)

Publication Number Publication Date
JPS55116227A JPS55116227A (en) 1980-09-06
JPS6150245B2 true JPS6150245B2 (enrdf_load_stackoverflow) 1986-11-04

Family

ID=12147630

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2477879A Granted JPS55116227A (en) 1979-03-02 1979-03-02 Light chopper

Country Status (1)

Country Link
JP (1) JPS55116227A (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60262084A (ja) * 1984-06-08 1985-12-25 Yokogawa Hokushin Electric Corp 放射線一次元アレイセンサ特性測定装置
IT1179854B (it) * 1984-12-10 1987-09-16 Cselt Centro Studi Lab Telecom Procedimento ed apparecchiatura per la misura dei momenti trasversali del campo elettromagnetico associato a un fascio ottico
JPS61147940U (enrdf_load_stackoverflow) * 1985-03-07 1986-09-12
JPH0697886A (ja) * 1992-09-14 1994-04-08 Ando Electric Co Ltd 変位素子を光スイッチとする波長可変光パルス発生器
CN102680402B (zh) * 2011-11-15 2015-08-19 北京遥测技术研究所 石英音叉增强型光声谱气体池

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5366277A (en) * 1976-11-25 1978-06-13 Toshiba Corp Temperature measuring apparatus

Also Published As

Publication number Publication date
JPS55116227A (en) 1980-09-06

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