DE69326704T2 - Flüssigkristallanzeige für laser-markierungsvorrichtung - Google Patents

Flüssigkristallanzeige für laser-markierungsvorrichtung

Info

Publication number
DE69326704T2
DE69326704T2 DE69326704T DE69326704T DE69326704T2 DE 69326704 T2 DE69326704 T2 DE 69326704T2 DE 69326704 T DE69326704 T DE 69326704T DE 69326704 T DE69326704 T DE 69326704T DE 69326704 T2 DE69326704 T2 DE 69326704T2
Authority
DE
Germany
Prior art keywords
liquid crystal
crystal display
marking device
laser marking
laser
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
DE69326704T
Other languages
English (en)
Other versions
DE69326704D1 (de
Inventor
Yukihiro Tsuda
Yoshinori Saito
Akira Mori
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.)
Komatsu Ltd
Original Assignee
Komatsu 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 JP4326073A external-priority patent/JP2811138B2/ja
Priority claimed from JP31734392A external-priority patent/JP3195449B2/ja
Application filed by Komatsu Ltd filed Critical Komatsu Ltd
Application granted granted Critical
Publication of DE69326704D1 publication Critical patent/DE69326704D1/de
Publication of DE69326704T2 publication Critical patent/DE69326704T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • 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
    • G06K15/1238—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
    • B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
    • B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
    • B23K26/066—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms by using masks
    • 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
    • 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
    • G06K15/1238—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
    • 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
    • G06K15/1238—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
    • G06K15/1242—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 one main scanning line
    • G06K15/1252—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 one main scanning line using an array of light modulators, e.g. a linear array

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Liquid Crystal (AREA)
  • Laser Beam Processing (AREA)
  • Liquid Crystal Display Device Control (AREA)
DE69326704T 1992-11-11 1993-11-10 Flüssigkristallanzeige für laser-markierungsvorrichtung Expired - Fee Related DE69326704T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP4326073A JP2811138B2 (ja) 1992-11-11 1992-11-11 レーザマーキング装置及びレーザマーキング方法
JP31734392A JP3195449B2 (ja) 1992-11-26 1992-11-26 レーザマーカにおける液晶表示切換え装置
PCT/JP1993/001637 WO1994011147A1 (en) 1992-11-11 1993-11-10 Liquid crystal display for laser marker

Publications (2)

Publication Number Publication Date
DE69326704D1 DE69326704D1 (de) 1999-11-11
DE69326704T2 true DE69326704T2 (de) 2000-06-08

Family

ID=26568994

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69326704T Expired - Fee Related DE69326704T2 (de) 1992-11-11 1993-11-10 Flüssigkristallanzeige für laser-markierungsvorrichtung

Country Status (5)

Country Link
US (1) US5726673A (de)
EP (2) EP0901873A3 (de)
KR (1) KR950703427A (de)
DE (1) DE69326704T2 (de)
WO (1) WO1994011147A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3263516B2 (ja) * 1994-02-08 2002-03-04 株式会社小松製作所 液晶マスクマーカの画像表示方法
JP3265553B2 (ja) * 1994-08-19 2002-03-11 株式会社小松製作所 レーザマーキング方法
JP2860765B2 (ja) * 1995-03-07 1999-02-24 株式会社小松製作所 レーザ刻印装置の制御装置
JPH09277069A (ja) * 1996-04-12 1997-10-28 Komatsu Ltd 液晶マスク、液晶式レーザマーカ及びそれを用いた刻印方法
US20050162380A1 (en) * 2004-01-28 2005-07-28 Jim Paikattu Laser sensitive screen

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59121391A (ja) * 1982-12-28 1984-07-13 シチズン時計株式会社 液晶表示装置
US4734558A (en) * 1983-05-16 1988-03-29 Nec Corporation Laser machining apparatus with controllable mask
US4778260A (en) * 1985-04-22 1988-10-18 Canon Kabushiki Kaisha Method and apparatus for driving optical modulation device
JP2633954B2 (ja) * 1989-04-10 1997-07-23 株式会社日立製作所 液晶式マーキング方法及びその装置
JPH0825044B2 (ja) * 1989-06-15 1996-03-13 株式会社小松製作所 レーザ印字装置
DE69030537T2 (de) * 1989-07-20 1997-12-04 Sanyo Electric Co Flüssigkristallprojektor
US5432461A (en) * 1991-06-28 1995-07-11 Photon Dynamics, Inc. Method of testing active matrix liquid crystal display substrates
US5363117A (en) * 1991-09-04 1994-11-08 Sony Corporation Laser-addressed liquid crystal display

Also Published As

Publication number Publication date
EP0901873A2 (de) 1999-03-17
KR950703427A (ko) 1995-09-20
EP0742071A4 (de) 1996-09-19
EP0742071B1 (de) 1999-10-06
EP0901873A3 (de) 1999-07-28
WO1994011147A1 (en) 1994-05-26
EP0742071A1 (de) 1996-11-13
US5726673A (en) 1998-03-10
DE69326704D1 (de) 1999-11-11

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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