JPS57131575A - Automatic light level control system - Google Patents

Automatic light level control system

Info

Publication number
JPS57131575A
JPS57131575A JP56018345A JP1834581A JPS57131575A JP S57131575 A JPS57131575 A JP S57131575A JP 56018345 A JP56018345 A JP 56018345A JP 1834581 A JP1834581 A JP 1834581A JP S57131575 A JPS57131575 A JP S57131575A
Authority
JP
Japan
Prior art keywords
laser beam
output
capacitor
eta
level
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
JP56018345A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0139911B2 (cs
Inventor
Hirotoshi Shimizu
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 JP56018345A priority Critical patent/JPS57131575A/ja
Publication of JPS57131575A publication Critical patent/JPS57131575A/ja
Publication of JPH0139911B2 publication Critical patent/JPH0139911B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/0121—Operation of devices; Circuit arrangements, not otherwise provided for in this subclass

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Fax Reproducing Arrangements (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Laser Beam Printer (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
JP56018345A 1981-02-10 1981-02-10 Automatic light level control system Granted JPS57131575A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56018345A JPS57131575A (en) 1981-02-10 1981-02-10 Automatic light level control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56018345A JPS57131575A (en) 1981-02-10 1981-02-10 Automatic light level control system

Publications (2)

Publication Number Publication Date
JPS57131575A true JPS57131575A (en) 1982-08-14
JPH0139911B2 JPH0139911B2 (cs) 1989-08-24

Family

ID=11969064

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56018345A Granted JPS57131575A (en) 1981-02-10 1981-02-10 Automatic light level control system

Country Status (1)

Country Link
JP (1) JPS57131575A (cs)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6076872A (ja) * 1983-10-03 1985-05-01 Leo Giken:Kk 画像再生装置におけるレ−ザ−光量の補正方法
JPS60120663A (ja) * 1983-12-03 1985-06-28 Matsushita Electric Ind Co Ltd レ−ザ記録装置
JPS61165774A (ja) * 1984-12-27 1986-07-26 Fujitsu Ltd 半導体レ−ザの出力レベル制御方式
JPS63271224A (ja) * 1987-04-28 1988-11-09 Fuji Xerox Co Ltd 光ビ−ム走査装置
JPH01180516A (ja) * 1988-01-13 1989-07-18 Nec Corp 光変調器

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6076872A (ja) * 1983-10-03 1985-05-01 Leo Giken:Kk 画像再生装置におけるレ−ザ−光量の補正方法
JPS60120663A (ja) * 1983-12-03 1985-06-28 Matsushita Electric Ind Co Ltd レ−ザ記録装置
JPS61165774A (ja) * 1984-12-27 1986-07-26 Fujitsu Ltd 半導体レ−ザの出力レベル制御方式
JPS63271224A (ja) * 1987-04-28 1988-11-09 Fuji Xerox Co Ltd 光ビ−ム走査装置
JPH01180516A (ja) * 1988-01-13 1989-07-18 Nec Corp 光変調器

Also Published As

Publication number Publication date
JPH0139911B2 (cs) 1989-08-24

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