FR2734902B1 - Dispositif de commande d'intensite de lumiere - Google Patents

Dispositif de commande d'intensite de lumiere

Info

Publication number
FR2734902B1
FR2734902B1 FR9606663A FR9606663A FR2734902B1 FR 2734902 B1 FR2734902 B1 FR 2734902B1 FR 9606663 A FR9606663 A FR 9606663A FR 9606663 A FR9606663 A FR 9606663A FR 2734902 B1 FR2734902 B1 FR 2734902B1
Authority
FR
France
Prior art keywords
control device
light intensity
intensity control
light
intensity
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 - Fee Related
Application number
FR9606663A
Other languages
English (en)
Other versions
FR2734902A1 (fr
Inventor
Tadashi Minakuchi
Taminori Odano
Masahiro Oono
Mitsunori Iima
Hiroshi Kanazawa
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo 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
Priority claimed from JP7155180A external-priority patent/JPH08330662A/ja
Priority claimed from JP07518296A external-priority patent/JP3283179B2/ja
Application filed by Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of FR2734902A1 publication Critical patent/FR2734902A1/fr
Application granted granted Critical
Publication of FR2734902B1 publication Critical patent/FR2734902B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01S5/0683—Stabilisation of laser output parameters by monitoring the optical output parameters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/435—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material
    • B41J2/47—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using the combination of scanning and modulation of light
    • B41J2/471—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material using the combination of scanning and modulation of light using dot sequential main scanning by means of a light deflector, e.g. a rotating polygonal mirror
    • 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
    • H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
    • H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
FR9606663A 1995-05-30 1996-05-30 Dispositif de commande d'intensite de lumiere Expired - Fee Related FR2734902B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7155180A JPH08330662A (ja) 1995-05-30 1995-05-30 レーザーパワー検出装置
JP07518296A JP3283179B2 (ja) 1996-03-05 1996-03-05 光強度制御装置および光強度制御方法

Publications (2)

Publication Number Publication Date
FR2734902A1 FR2734902A1 (fr) 1996-12-06
FR2734902B1 true FR2734902B1 (fr) 1999-01-08

Family

ID=26416340

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9606663A Expired - Fee Related FR2734902B1 (fr) 1995-05-30 1996-05-30 Dispositif de commande d'intensite de lumiere

Country Status (5)

Country Link
US (2) US5892219A (fr)
DE (1) DE19621802B4 (fr)
FR (1) FR2734902B1 (fr)
GB (1) GB2301701B (fr)
IL (1) IL118458A (fr)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL118458A (en) * 1995-05-30 2000-08-31 Asahi Optical Co Ltd Light intensity controlling device
CA2253623A1 (fr) * 1996-05-07 1997-11-13 Purup-Eskofot A/S Procede et dispositif pour exposer des materiaux photosensibles
US6114682A (en) * 1997-08-27 2000-09-05 Asahi Kogaku Kogyo Kabushiki Kaisha Apparatus and method for controlling light intensity
JP3238648B2 (ja) * 1997-08-27 2001-12-17 旭光学工業株式会社 光強度制御装置および光強度制御方法
DE19944148C2 (de) * 1999-09-15 2003-08-21 Leica Microsystems Mikroskop
JP2001150726A (ja) 1999-11-30 2001-06-05 Ricoh Co Ltd 光書込装置
JP3645801B2 (ja) 2000-08-24 2005-05-11 ペンタックス株式会社 ビーム列検出方法および検出用位相フィルター
DE10105978B4 (de) * 2001-02-09 2011-08-11 HELL Gravure Systems GmbH & Co. KG, 24148 Mehrstrahl-Abtastvorrichtung zur Abtastung eines fotoempfindlichen Materials mit einem Multi-Spot-Array sowie Verfahren zur Korrektur der Position von Bildpunkten des Multi-Spot-Arrays
US6829414B2 (en) * 2001-12-17 2004-12-07 Pentax Corporation Multi-beam scanning apparatus
GB0201916D0 (en) * 2002-01-29 2002-03-13 Advanced Laser Solutions Ltd Method and apparatus for monitoring light beams
JP4278922B2 (ja) * 2002-05-30 2009-06-17 パイオニア株式会社 パワーコントロール装置
US20040051033A1 (en) * 2002-09-13 2004-03-18 Hagen Mark D. Method of controlling deflection amplitude and offset of a resonant scanning mirror using photo detector timing
DE10324478B3 (de) 2003-05-30 2004-12-09 Leica Microsystems Heidelberg Gmbh Vorrichtung zum Ermitteln der Lichtleistung eines Lichtstrahles und Scanmikroskop
US20050147146A1 (en) * 2004-01-07 2005-07-07 Ching-Sung Lin Dual-laser coupling device
US7248280B2 (en) * 2004-06-16 2007-07-24 Lexmark International, Inc. Laser scanner having reduced air currents
US20060000810A1 (en) * 2004-06-30 2006-01-05 Kerr James A Method of and system for dynamic laser welding
US7395967B2 (en) * 2005-07-21 2008-07-08 University Of Washington Methods and systems for counterbalancing a scanning beam device
JP2007069572A (ja) * 2005-09-09 2007-03-22 Ricoh Co Ltd 光走査装置・画像形成装置
JP2007283512A (ja) * 2006-04-12 2007-11-01 Canon Inc 画像形成装置、光学走査装置および自動光量制御方法
JP4868923B2 (ja) * 2006-04-12 2012-02-01 キヤノン株式会社 光走査装置および画像形成装置
US7665852B2 (en) * 2006-06-05 2010-02-23 Symbol Technologies, Inc. Arrangement for and method of projecting an image with safety circuitry
JP5439825B2 (ja) * 2008-01-25 2014-03-12 株式会社リコー 画像形成装置および画像形成方法
JP2009178860A (ja) * 2008-01-29 2009-08-13 Kyocera Mita Corp 光走査装置，画像形成装置及び画像形成方法
JP5439874B2 (ja) * 2008-03-18 2014-03-12 株式会社リコー 画像形成装置および画像形成方法
JP5428666B2 (ja) * 2008-09-17 2014-02-26 株式会社リコー 画像形成装置および画像形成方法
DE102009031871B4 (de) * 2009-07-06 2013-10-24 Nanosec Gesellschaft Für Nanotechnologie In Der Sicherheitstechnik MBH Verfahren und Vorrichtung zur Laserbeschriftung
JP5765915B2 (ja) * 2009-12-22 2015-08-19 キヤノン株式会社 画像形成装置

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE789497A (fr) * 1971-09-29 1973-01-15 Siemens Ag Dispositif pour realiser la memorisation optique sequentielle, incoherente et redondante des informations
GB1515606A (en) * 1975-12-23 1978-06-28 Ibm Electrophotographic apparatus
JPS59129854A (ja) * 1983-01-18 1984-07-26 Dainippon Screen Mfg Co Ltd 画像走査記録時における光量補正方法
DE3583969D1 (de) * 1984-06-13 1991-10-10 Fuji Photo Film Co Ltd Abtastvorrichtung mit halbleiterlaser.
JPH0422600Y2 (fr) * 1985-07-02 1992-05-25
JPH01105268A (ja) * 1986-04-05 1989-04-21 Ricoh Co Ltd 情報記録用光ビ−ムの出力安定化方法及び装置
JPS63198387A (ja) * 1987-02-13 1988-08-17 Hitachi Ltd 半導体レ−ザアレイ装置
JP2548930B2 (ja) * 1987-02-16 1996-10-30 旭光学工業株式会社 半導体レ−ザの光出力制御装置
JPS63250966A (ja) * 1987-04-07 1988-10-18 Asahi Optical Co Ltd 半導体レ−ザの光出力制御装置
JP3175935B2 (ja) * 1987-09-30 2001-06-11 株式会社東芝 光ファイバ応用センサ
US4942584A (en) * 1988-06-22 1990-07-17 Morihiro Karaki Semiconductor laser apparatus driving system
JPH02109013A (ja) * 1988-10-19 1990-04-20 Hitachi Koki Co Ltd 光走査装置
US4949345A (en) * 1989-06-30 1990-08-14 Microelectronics And Computer Technology Corporation Method and apparatus for reducing the effect of random polarization on the power/energy output of lasers
US5270736A (en) * 1989-09-19 1993-12-14 Canon Kabushiki Kaisha Light modulation method
JPH03202368A (ja) * 1989-12-28 1991-09-04 Toshiba Corp レーザ発振器の光量制御装置
US5166510A (en) * 1990-04-04 1992-11-24 Minolta Camera Co., Ltd. Light printer with photoelectric light quantity control means
JPH04355986A (ja) * 1990-06-26 1992-12-09 Canon Inc 光源駆動装置及びこの光源駆動装置を使用する装置
JP2562087Y2 (ja) * 1991-03-15 1998-02-04 旭光学工業株式会社 レーザーパワー調整装置
JP2840495B2 (ja) * 1991-03-20 1998-12-24 キヤノン株式会社 光学的情報記録再生装置
JPH0569964U (ja) * 1992-02-26 1993-09-21 旭光学工業株式会社 レーザダイオード発光装置の突入電流防止回路
JPH05304595A (ja) * 1992-04-24 1993-11-16 Minolta Camera Co Ltd レーザビーム走査装置
JPH0761041A (ja) * 1993-08-28 1995-03-07 Asahi Optical Co Ltd 光走査装置の光強度変調回路
IL118458A (en) * 1995-05-30 2000-08-31 Asahi Optical Co Ltd Light intensity controlling device
US5600126A (en) * 1995-06-20 1997-02-04 Xerox Corporation Method and apparatus for controlling the power output of multiple laser diodes
US5659414A (en) * 1995-06-20 1997-08-19 Xerox Corporation Means for controlling the power output of laser diodes in a ROS system
DE19703594A1 (de) * 1996-01-31 1997-08-07 Asahi Optical Co Ltd Abtastvorrichtung

Also Published As

Publication number Publication date
GB2301701A (en) 1996-12-11
DE19621802B4 (de) 2005-12-08
IL118458A (en) 2000-08-31
US6011250A (en) 2000-01-04
GB9611297D0 (en) 1996-07-31
IL118458A0 (en) 1996-09-12
FR2734902A1 (fr) 1996-12-06
US5892219A (en) 1999-04-06
GB2301701B (en) 1999-11-17
DE19621802A1 (de) 1996-12-19

Similar Documents

Publication Publication Date Title
FR2734902B1 (fr) Dispositif de commande d'intensite de lumiere
FR2738343B1 (fr) Dispositif de microstratigraphie optique
FR2735586B1 (fr) Dispositif optique
FR2732481B1 (fr) Dispositif lumineux transparent excitable
FR2740228B1 (fr) Dispositif de branchement optique sous-marin
DE69531153D1 (de) Optisches Projektionssystem mit Belichtungsgerät
FR2730333B1 (fr) Dispositif d'affichage par emission de rayonnement
FR2733305B3 (fr) Dispositif electrosolaire
FR2737784B1 (fr) Dispositif support de lentille
FR2731083B1 (fr) Dispositif de balayage optique
DE69621538D1 (de) Optische Vorrichtung
FR2743245B1 (fr) Dispositif de demultiplexage
FR2738925B1 (fr) Dispositif de visee optique stabilisee
FR2785687B1 (fr) Dispositif d'irradiation lumineuse
FR2724848B3 (fr) Dispositif de luminotherapie
DE69626256D1 (de) Optisches Gerät
FR2733604B1 (fr) Dispositif d'eclairement
DE69631319D1 (de) Lichtemittierende/-empfangende Vorrichtung und optisches System
FR2743001B1 (fr) Dispositif de projection de dessin de lumiere
FR2734638B1 (fr) Dispositif de neutronographie
DE59607912D1 (de) Optisches Zielhilfegerät
GB2332561B (en) Light intensity controlling device
DE69600471D1 (de) Lichtstrahlungseinrichtung
FR2768525B1 (fr) Dispositif de guide de lumiere
FR2739732B1 (fr) Dispositif d'amplification optique

Legal Events

Date Code Title Description
ST Notification of lapse