DE69103861T2 - Gerät zur Steuerung der Laserleistung. - Google Patents

Gerät zur Steuerung der Laserleistung.

Info

Publication number
DE69103861T2
DE69103861T2 DE69103861T DE69103861T DE69103861T2 DE 69103861 T2 DE69103861 T2 DE 69103861T2 DE 69103861 T DE69103861 T DE 69103861T DE 69103861 T DE69103861 T DE 69103861T DE 69103861 T2 DE69103861 T2 DE 69103861T2
Authority
DE
Germany
Prior art keywords
controlling
laser 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
DE69103861T
Other languages
English (en)
Other versions
DE69103861D1 (de
Inventor
Juntaro Oku Juntaro Oku
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.)
Toshiba TEC Corp
Original Assignee
Tokyo Electric 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=17570056&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69103861(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Tokyo Electric Co Ltd filed Critical Tokyo Electric Co Ltd
Publication of DE69103861D1 publication Critical patent/DE69103861D1/de
Application granted granted Critical
Publication of DE69103861T2 publication Critical patent/DE69103861T2/de
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
    • H01S5/062—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
    • H01S5/06209—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in single-section lasers
    • 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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
    • 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
    • H04N1/40025—Circuits exciting or modulating particular heads for reproducing continuous tone value scales
    • H04N1/40037—Circuits exciting or modulating particular heads for reproducing continuous tone value scales the reproducing element being a laser
    • 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
    • H01S5/0617—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium using memorised or pre-programmed laser characteristics

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Plasma & Fusion (AREA)
  • Semiconductor Lasers (AREA)
  • Laser Beam Printer (AREA)
  • Fax Reproducing Arrangements (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Facsimile Scanning Arrangements (AREA)
DE69103861T 1990-10-17 1991-10-17 Gerät zur Steuerung der Laserleistung. Expired - Fee Related DE69103861T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2276481A JP2645177B2 (ja) 1990-10-17 1990-10-17 レーザパワー制御装置

Publications (2)

Publication Number Publication Date
DE69103861D1 DE69103861D1 (de) 1994-10-13
DE69103861T2 true DE69103861T2 (de) 1995-01-26

Family

ID=17570056

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69103861T Expired - Fee Related DE69103861T2 (de) 1990-10-17 1991-10-17 Gerät zur Steuerung der Laserleistung.

Country Status (4)

Country Link
EP (1) EP0481491B1 (de)
JP (1) JP2645177B2 (de)
KR (1) KR950002205B1 (de)
DE (1) DE69103861T2 (de)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0497431B1 (de) * 1987-04-13 1995-06-28 Sharp Kabushiki Kaisha Apparat zum Betreiben einer Halbleiterlaservorrichtung
DE68929443T2 (de) * 1988-09-06 2003-04-24 Canon Kk Belichtungsstärkesteuergerät
JP2610173B2 (ja) * 1988-09-06 1997-05-14 キヤノン株式会社 レーザ光量制御装置

Also Published As

Publication number Publication date
EP0481491A2 (de) 1992-04-22
DE69103861D1 (de) 1994-10-13
EP0481491A3 (en) 1992-06-03
JP2645177B2 (ja) 1997-08-25
EP0481491B1 (de) 1994-09-07
JPH04152750A (ja) 1992-05-26
KR920009005A (ko) 1992-05-28
KR950002205B1 (ko) 1995-03-14

Similar Documents

Publication Publication Date Title
DE69021806D1 (de) Schaltung zur Steuerung der Sendeleistung.
DE69111084T3 (de) Ferngesteuertes Stromversorgungsgerät.
DE69314585D1 (de) Einrichtung zur steuerung der beleuchtung
DE69006370T2 (de) Lasersteuerschaltung.
DE69409669T2 (de) Temperaturgesteuertes lasersintern
NO940358D0 (no) Kraftforsynings-anordning
DE59204589D1 (de) Vorrichtung zur Steuerung der Antriebsleistung eines Fahrzeugs.
DE69122847D1 (de) System zur Steuerung der zwischenbildkodierten Ausgangsdatenmenge
DE69112949D1 (de) Gerät zur automatischen Leistungssteuerung.
DE69323794T2 (de) Vorrichtung zur Sendeleistungssteuerung mit Vorspannungsstabilisierung
DE69110516D1 (de) Stromversorgung.
DE69107121D1 (de) Laservorrichtung.
DE69300426D1 (de) Verstärker mit optischer Leistungsbegrenzung.
DE69418173D1 (de) System zur steuerung der laserleistung
DE69116409D1 (de) Laservorrichtung mit Mitteln zur Erfassung der Laserleistung
DE68907861T2 (de) Numerisch gesteuerte laservorrichtung.
DE69206600T2 (de) Laservorrichtung.
DE69012338D1 (de) Kraftaufnahmevorrichtung.
FR2665957B1 (fr) Controleur de temperature.
DE69105318T2 (de) Stromversorgungsvorrichtung.
DE69103861D1 (de) Gerät zur Steuerung der Laserleistung.
DE69113699D1 (de) Vorrichtung zur Steuerung von Raumklangeffekten.
DE69108810D1 (de) Gepulster Laser.
DE69102867T2 (de) Entladungsausgeregte Gaslaser-Vorrichtung.
DE69114824T2 (de) Schaltung zur Steuerung der Oszillationsfrequenz.

Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8339 Ceased/non-payment of the annual fee