JPS56140477A - Laser driving control system - Google Patents

Laser driving control system

Info

Publication number
JPS56140477A
JPS56140477A JP4322480A JP4322480A JPS56140477A JP S56140477 A JPS56140477 A JP S56140477A JP 4322480 A JP4322480 A JP 4322480A JP 4322480 A JP4322480 A JP 4322480A JP S56140477 A JPS56140477 A JP S56140477A
Authority
JP
Japan
Prior art keywords
outputs
elements
laser
laser beam
photodetector
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
JP4322480A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6410152B2 (fr
Inventor
Isamu 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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP4322480A priority Critical patent/JPS56140477A/ja
Publication of JPS56140477A publication Critical patent/JPS56140477A/ja
Publication of JPS6410152B2 publication Critical patent/JPS6410152B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
    • G06K15/12—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers
    • G06K15/1238—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers simultaneously exposing more than one point
    • G06K15/1257—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers simultaneously exposing more than one point on more than one main scanning line
    • G06K15/1261—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers simultaneously exposing more than one point on more than one main scanning line using an array of light sources

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Laser Beam Printer (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Combination Of More Than One Step In Electrophotography (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Semiconductor Lasers (AREA)
  • Fax Reproducing Arrangements (AREA)
  • Control Of Non-Electrical Variables (AREA)
JP4322480A 1980-04-02 1980-04-02 Laser driving control system Granted JPS56140477A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4322480A JPS56140477A (en) 1980-04-02 1980-04-02 Laser driving control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4322480A JPS56140477A (en) 1980-04-02 1980-04-02 Laser driving control system

Publications (2)

Publication Number Publication Date
JPS56140477A true JPS56140477A (en) 1981-11-02
JPS6410152B2 JPS6410152B2 (fr) 1989-02-21

Family

ID=12657936

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4322480A Granted JPS56140477A (en) 1980-04-02 1980-04-02 Laser driving control system

Country Status (1)

Country Link
JP (1) JPS56140477A (fr)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5897882A (ja) * 1981-12-08 1983-06-10 Nec Corp 波長安定化半導体レ−ザ装置
JPS60223374A (ja) * 1984-04-20 1985-11-07 Fujitsu Ltd 電子写真式記録装置
JPS6119184A (ja) * 1984-07-05 1986-01-28 Matsushita Electric Ind Co Ltd 半導体レ−ザ駆動回路
JPS6142182A (ja) * 1984-08-02 1986-02-28 Matsushita Electric Ind Co Ltd 半導体レ−ザ駆動回路
JPS61159865A (ja) * 1984-09-05 1986-07-19 Fuji Photo Film Co Ltd 画像出力装置における光量補正装置
JPS61175656A (ja) * 1985-01-30 1986-08-07 Ricoh Co Ltd 半導体レ−ザの出力制御装置
JPS62240919A (ja) * 1986-04-14 1987-10-21 Canon Inc 画像記録装置
JPS62273862A (ja) * 1986-05-23 1987-11-27 Ricoh Co Ltd 半導体レ−ザアレイの出力制御装置
JPS63146062A (ja) * 1986-12-10 1988-06-18 Canon Inc 画像記録装置
JPS63198387A (ja) * 1987-02-13 1988-08-17 Hitachi Ltd 半導体レ−ザアレイ装置
JPH01179058A (ja) * 1987-12-29 1989-07-17 Ricoh Co Ltd 画像形成装置
JPH02188277A (ja) * 1989-01-18 1990-07-24 Fuji Xerox Co Ltd レーザ光量制御方法
JPH03134683A (ja) * 1989-10-20 1991-06-07 Fuji Photo Film Co Ltd 自動光量制御装置
EP1005121A3 (fr) * 1998-11-25 2002-10-16 Canon Kabushiki Kaisha Dispositif de commande laser, méthode de commande, et appareil de formation d'images qui les utilise
JP2002318475A (ja) * 2001-04-23 2002-10-31 Ricoh Co Ltd 画像形成装置
JP2006154013A (ja) * 2004-11-26 2006-06-15 Fuji Xerox Co Ltd 光走査装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56105686A (en) * 1980-01-28 1981-08-22 Canon Inc Controller for quantity of light

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56105686A (en) * 1980-01-28 1981-08-22 Canon Inc Controller for quantity of light

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5897882A (ja) * 1981-12-08 1983-06-10 Nec Corp 波長安定化半導体レ−ザ装置
JPS60223374A (ja) * 1984-04-20 1985-11-07 Fujitsu Ltd 電子写真式記録装置
JPS6119184A (ja) * 1984-07-05 1986-01-28 Matsushita Electric Ind Co Ltd 半導体レ−ザ駆動回路
JPS6142182A (ja) * 1984-08-02 1986-02-28 Matsushita Electric Ind Co Ltd 半導体レ−ザ駆動回路
JPS61159865A (ja) * 1984-09-05 1986-07-19 Fuji Photo Film Co Ltd 画像出力装置における光量補正装置
JPS61175656A (ja) * 1985-01-30 1986-08-07 Ricoh Co Ltd 半導体レ−ザの出力制御装置
JPS62240919A (ja) * 1986-04-14 1987-10-21 Canon Inc 画像記録装置
JPS62273862A (ja) * 1986-05-23 1987-11-27 Ricoh Co Ltd 半導体レ−ザアレイの出力制御装置
JPS63146062A (ja) * 1986-12-10 1988-06-18 Canon Inc 画像記録装置
JPS63198387A (ja) * 1987-02-13 1988-08-17 Hitachi Ltd 半導体レ−ザアレイ装置
JPH01179058A (ja) * 1987-12-29 1989-07-17 Ricoh Co Ltd 画像形成装置
JPH02188277A (ja) * 1989-01-18 1990-07-24 Fuji Xerox Co Ltd レーザ光量制御方法
JPH03134683A (ja) * 1989-10-20 1991-06-07 Fuji Photo Film Co Ltd 自動光量制御装置
EP1005121A3 (fr) * 1998-11-25 2002-10-16 Canon Kabushiki Kaisha Dispositif de commande laser, méthode de commande, et appareil de formation d'images qui les utilise
US6560256B1 (en) 1998-11-25 2003-05-06 Canon Kabushiki Kaisha Laser driving apparatus, driving method thereof, and image-forming apparatus using it
JP2002318475A (ja) * 2001-04-23 2002-10-31 Ricoh Co Ltd 画像形成装置
JP2006154013A (ja) * 2004-11-26 2006-06-15 Fuji Xerox Co Ltd 光走査装置

Also Published As

Publication number Publication date
JPS6410152B2 (fr) 1989-02-21

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