BE728456A - - Google Patents

Info

Publication number
BE728456A
BE728456A BE728456DA BE728456A BE 728456 A BE728456 A BE 728456A BE 728456D A BE728456D A BE 728456DA BE 728456 A BE728456 A BE 728456A
Authority
BE
Belgium
Application number
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 DE19681613987 external-priority patent/DE1613987C3/de
Application filed filed Critical
Publication of BE728456A publication Critical patent/BE728456A/xx

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28—Systems for automatic generation of focusing signals
    • G02B7/36—Systems for automatic generation of focusing signals using image sharpness techniques, e.g. image processing techniques for generating autofocus signals
    • 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
    • B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D15/00—Component parts of recorders for measuring arrangements not specially adapted for a specific variable
    • G01D15/14—Optical recording elements; Recording elements using X-or nuclear radiation
    • 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
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/007—Marks, e.g. trade marks

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Recording Measured Values (AREA)
  • Focusing (AREA)
  • Mounting And Adjusting Of Optical Elements (AREA)
  • Automatic Focus Adjustment (AREA)
BE728456D 1968-02-17 1969-02-14 BE728456A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681613987 DE1613987C3 (de) 1968-02-17 1968-02-17 Regelanordnung zur Stabilisierung der Brennflecklage eines optischen Linsensystems

Publications (1)

Publication Number Publication Date
BE728456A true BE728456A (it) 1969-07-16

Family

ID=5681928

Family Applications (1)

Application Number Title Priority Date Filing Date
BE728456D BE728456A (it) 1968-02-17 1969-02-14

Country Status (7)

Country Link
US (1) US3614456A (it)
JP (1) JPS4837851B1 (it)
BE (1) BE728456A (it)
CH (1) CH477676A (it)
FR (1) FR1593883A (it)
GB (1) GB1260394A (it)
SE (1) SE345320B (it)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4032927A (en) * 1972-05-19 1977-06-28 Canon Kabushiki Kaisha High density optical recording apparatus
FR2222666B1 (it) * 1973-03-19 1976-11-05 Thomson Brandt
JPS5442266B2 (it) * 1973-07-27 1979-12-13
US3860935A (en) * 1973-12-19 1975-01-14 Honeywell Inc Auto focus camera
US4003059A (en) * 1974-02-07 1977-01-11 Canon Kabushiki Kaisha Optical recorder having focus controlling means
US3865483A (en) * 1974-03-21 1975-02-11 Ibm Alignment illumination system
JPS54133305A (en) * 1978-04-07 1979-10-17 Hitachi Ltd Information recorder
FR2425085A1 (fr) * 1978-05-05 1979-11-30 Quantel Sa Objectif a longueur focale variable
EP0091400A1 (de) * 1982-04-02 1983-10-12 GRETAG Aktiengesellschaft Verfahren und Vorrichtung zur Fokussierung eines kohärenten Lichtstrahls
US4567362A (en) * 1982-06-25 1986-01-28 Gretag Aktiengesellschaft Process and apparatus for the focusing of a beam of light on an object
JPH0668581B2 (ja) * 1985-10-08 1994-08-31 東芝機械株式会社 レ−ザ描画装置の焦点位置調整装置
GB2202647A (en) * 1987-03-25 1988-09-28 Atomic Energy Authority Uk Laser beam focussing
YU208988A (en) * 1988-11-10 1990-12-31 Inst Jozef Stefan Device for rasters making
US5157555A (en) * 1991-12-04 1992-10-20 General Electric Company Apparatus for adjustable correction of spherical aberration
US20030227614A1 (en) * 2002-06-05 2003-12-11 Taminiau August A. Laser machining apparatus with automatic focusing
IL151731A0 (en) * 2002-09-12 2004-05-12 Oleg Abel Focusing unit of optical device
CN100347603C (zh) * 2002-12-25 2007-11-07 北京中星微电子有限公司 带有自动对焦系统的数码摄像装置和方法
FR2989388B1 (fr) * 2012-04-17 2019-10-18 Saint-Gobain Glass France Procede d'obtention d'un substrat muni d'un revetement
US11906736B1 (en) * 2020-08-03 2024-02-20 Raytrx, Llc Wearable pupil-forming display apparatus
US11353711B1 (en) 2020-08-03 2022-06-07 Raytrx, Llc Wearable pupil-forming display apparatus
CN113634926B (zh) * 2021-07-27 2023-07-25 江苏先河激光研究院有限公司 一种基于激光旋切的方孔加工方法及系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2897722A (en) * 1953-11-27 1959-08-04 American Optical Corp Means and method of testing lenses
US3037423A (en) * 1957-12-30 1962-06-05 Polaroid Corp Automatic focusing system
DE1103050B (de) * 1958-04-16 1961-03-23 Leitz Ernst Gmbh Vorrichtung zum Scharfeinstellen optischer Systeme
US3161718A (en) * 1961-07-12 1964-12-15 William Kurasch Variable power fluid lens
DE1252931B (de) * 1965-04-06 1967-10-26 Voigtlaender Ag Einrichtung zum Scharfeinstellen eines Bildwerfers
US3519830A (en) * 1966-01-17 1970-07-07 Ibm Method and means for maintaining the resolution of a scanning system having an undefined object plane
US3506839A (en) * 1966-02-23 1970-04-14 Mitsubishi Electric Corp Contactless probe system
US3418477A (en) * 1966-09-28 1968-12-24 Sylvania Electric Prod Apparatus for determining the focal point of a light beam

Also Published As

Publication number Publication date
US3614456A (en) 1971-10-19
GB1260394A (en) 1972-01-19
SE345320B (it) 1972-05-23
JPS4837851B1 (it) 1973-11-14
FR1593883A (it) 1970-06-01
CH477676A (de) 1969-08-31

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