JPS60170738A - 光源異常監視装置 - Google Patents

光源異常監視装置

Info

Publication number
JPS60170738A
JPS60170738A JP2750184A JP2750184A JPS60170738A JP S60170738 A JPS60170738 A JP S60170738A JP 2750184 A JP2750184 A JP 2750184A JP 2750184 A JP2750184 A JP 2750184A JP S60170738 A JPS60170738 A JP S60170738A
Authority
JP
Japan
Prior art keywords
semiconductor laser
light source
photodetector
output
recording
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
JP2750184A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0527057B2 (enrdf_load_stackoverflow
Inventor
Shunji Ohara
俊次 大原
Takashi Ishida
隆 石田
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP2750184A priority Critical patent/JPS60170738A/ja
Publication of JPS60170738A publication Critical patent/JPS60170738A/ja
Publication of JPH0527057B2 publication Critical patent/JPH0527057B2/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
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
JP2750184A 1984-02-16 1984-02-16 光源異常監視装置 Granted JPS60170738A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2750184A JPS60170738A (ja) 1984-02-16 1984-02-16 光源異常監視装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2750184A JPS60170738A (ja) 1984-02-16 1984-02-16 光源異常監視装置

Publications (2)

Publication Number Publication Date
JPS60170738A true JPS60170738A (ja) 1985-09-04
JPH0527057B2 JPH0527057B2 (enrdf_load_stackoverflow) 1993-04-20

Family

ID=12222891

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2750184A Granted JPS60170738A (ja) 1984-02-16 1984-02-16 光源異常監視装置

Country Status (1)

Country Link
JP (1) JPS60170738A (enrdf_load_stackoverflow)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58140652U (ja) * 1982-03-15 1983-09-21 株式会社東芝 半導体レ−ザ発振器の保護装置
JPS609266A (ja) * 1983-06-27 1985-01-18 Fujitsu Ltd 光源の劣化検出法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58140652U (ja) * 1982-03-15 1983-09-21 株式会社東芝 半導体レ−ザ発振器の保護装置
JPS609266A (ja) * 1983-06-27 1985-01-18 Fujitsu Ltd 光源の劣化検出法

Also Published As

Publication number Publication date
JPH0527057B2 (enrdf_load_stackoverflow) 1993-04-20

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term