DE69219036D1 - Verfahren zum Messen von Laserleistung in Laserdrucker - Google Patents

Verfahren zum Messen von Laserleistung in Laserdrucker

Info

Publication number
DE69219036D1
DE69219036D1 DE69219036T DE69219036T DE69219036D1 DE 69219036 D1 DE69219036 D1 DE 69219036D1 DE 69219036 T DE69219036 T DE 69219036T DE 69219036 T DE69219036 T DE 69219036T DE 69219036 D1 DE69219036 D1 DE 69219036D1
Authority
DE
Germany
Prior art keywords
laser
measuring
printers
power
laser power
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
DE69219036T
Other languages
English (en)
Other versions
DE69219036T2 (de
Inventor
Kurt Michael Sanger
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Application granted granted Critical
Publication of DE69219036D1 publication Critical patent/DE69219036D1/de
Publication of DE69219036T2 publication Critical patent/DE69219036T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06K15/1204—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 involving the fast moving of an optical beam in the main scanning direction
    • G06K15/1209—Intensity control of the optical beam
    • 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
    • H01S5/0014—Measuring characteristics or properties thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/40—Picture signal circuits
    • H04N1/401—Compensating positionally unequal response of the pick-up or reproducing head
    • H04N1/4015—Compensating positionally unequal response of the pick-up or reproducing head of the reproducing head

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Electromagnetism (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Semiconductor Lasers (AREA)
  • Laser Beam Printer (AREA)
  • Lasers (AREA)
  • Dot-Matrix Printers And Others (AREA)
DE69219036T 1991-08-23 1992-08-21 Verfahren zum Messen von Laserleistung in Laserdrucker Expired - Fee Related DE69219036T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/749,058 US5266973A (en) 1991-08-23 1991-08-23 Methods for measuring laser performance in laser printers

Publications (2)

Publication Number Publication Date
DE69219036D1 true DE69219036D1 (de) 1997-05-22
DE69219036T2 DE69219036T2 (de) 1997-11-13

Family

ID=25012057

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69219036T Expired - Fee Related DE69219036T2 (de) 1991-08-23 1992-08-21 Verfahren zum Messen von Laserleistung in Laserdrucker

Country Status (5)

Country Link
US (1) US5266973A (de)
EP (1) EP0529531B1 (de)
JP (1) JP3231851B2 (de)
DE (1) DE69219036T2 (de)
DK (1) DK0529531T3 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0902586B1 (de) * 1997-09-10 2005-11-16 Kabushiki Kaisha Toshiba Lichtstrahlabtast- und Bilderzeugungsgerät
US6303937B1 (en) 1998-02-27 2001-10-16 Eastman Kodak Company Ceramic calibration filter
US6590600B2 (en) 2001-03-16 2003-07-08 Eastman Kodak Company Method and apparatus for controlling exposure amplitude and printed track width by pulse width modulation
US20240013017A1 (en) * 2022-07-08 2024-01-11 Hand Held Products, Inc. Apparatuses, systems, and methods for visible laser diode preheat bias current for low temperature operation

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0165060B1 (de) * 1984-06-13 1991-09-04 Fuji Photo Film Co., Ltd. Abtastvorrichtung mit Halbleiterlaser
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
US4757327A (en) * 1987-02-24 1988-07-12 Lavenir Technology Photoplotter radiant source output equalization method
US4897672A (en) * 1987-07-02 1990-01-30 Fujitsu Limited Method and apparatus for detecting and compensating light emission from an LED array
US5050156A (en) * 1989-10-25 1991-09-17 Eastman Kodak Company Method and apparatus for calibrating the writing power applied to an optical media

Also Published As

Publication number Publication date
DK0529531T3 (da) 1997-07-28
DE69219036T2 (de) 1997-11-13
JP3231851B2 (ja) 2001-11-26
JPH05226741A (ja) 1993-09-03
EP0529531A3 (en) 1993-07-28
EP0529531A2 (de) 1993-03-03
EP0529531B1 (de) 1997-04-16
US5266973A (en) 1993-11-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee