JPH059950B2 - - Google Patents

Info

Publication number
JPH059950B2
JPH059950B2 JP56206580A JP20658081A JPH059950B2 JP H059950 B2 JPH059950 B2 JP H059950B2 JP 56206580 A JP56206580 A JP 56206580A JP 20658081 A JP20658081 A JP 20658081A JP H059950 B2 JPH059950 B2 JP H059950B2
Authority
JP
Japan
Prior art keywords
laser
current
circuit
fet
semiconductor laser
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 - Lifetime
Application number
JP56206580A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58107693A (ja
Inventor
Shozo Kaieda
Atsuyuki Tanaka
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.)
Minolta Co Ltd
Original Assignee
Minolta 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 Minolta Co Ltd filed Critical Minolta Co Ltd
Priority to JP56206580A priority Critical patent/JPS58107693A/ja
Publication of JPS58107693A publication Critical patent/JPS58107693A/ja
Publication of JPH059950B2 publication Critical patent/JPH059950B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/068—Stabilisation of laser output parameters
    • H01S5/06825—Protecting the laser, e.g. during switch-on/off, detection of malfunctioning or degradation

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Laser Beam Printer (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Semiconductor Lasers (AREA)
  • Optical Communication System (AREA)
JP56206580A 1981-12-21 1981-12-21 半導体レ−ザ駆動装置 Granted JPS58107693A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56206580A JPS58107693A (ja) 1981-12-21 1981-12-21 半導体レ−ザ駆動装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56206580A JPS58107693A (ja) 1981-12-21 1981-12-21 半導体レ−ザ駆動装置

Publications (2)

Publication Number Publication Date
JPS58107693A JPS58107693A (ja) 1983-06-27
JPH059950B2 true JPH059950B2 (fr) 1993-02-08

Family

ID=16525752

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56206580A Granted JPS58107693A (ja) 1981-12-21 1981-12-21 半導体レ−ザ駆動装置

Country Status (1)

Country Link
JP (1) JPS58107693A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6159885A (ja) * 1984-08-31 1986-03-27 Hitachi Ltd 発光ダイオ−ドの駆動回路
JP2575614B2 (ja) * 1985-03-15 1997-01-29 オリンパス光学工業株式会社 光出力安定化装置
JPH0642571B2 (ja) * 1985-10-30 1994-06-01 三田工業株式会社 半導体レ−ザの保護装置
JPH06112564A (ja) * 1992-09-28 1994-04-22 Minolta Camera Co Ltd プリンタ

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53116794A (en) * 1977-03-23 1978-10-12 Mitsubishi Electric Corp Laser device for optical communication
JPS56147494A (en) * 1980-04-17 1981-11-16 Nec Corp Semiconductor laser driving circuit

Also Published As

Publication number Publication date
JPS58107693A (ja) 1983-06-27

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