SE424472B - Anordning for att fotoelektriskt bestemma leget av ett skerpeplan for en bild - Google Patents

Anordning for att fotoelektriskt bestemma leget av ett skerpeplan for en bild

Info

Publication number
SE424472B
SE424472B SE7514410A SE7514410A SE424472B SE 424472 B SE424472 B SE 424472B SE 7514410 A SE7514410 A SE 7514410A SE 7514410 A SE7514410 A SE 7514410A SE 424472 B SE424472 B SE 424472B
Authority
SE
Sweden
Prior art keywords
doctrine
sharp
plan
image
photoelectrically
Prior art date
Application number
SE7514410A
Other languages
English (en)
Other versions
SE7514410L (sv
Inventor
H Schmidt
K Heitmann
E Schneider
W Mandler
Original Assignee
Leitz Ernst Gmbh
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 Leitz Ernst Gmbh filed Critical Leitz Ernst Gmbh
Publication of SE7514410L publication Critical patent/SE7514410L/sv
Publication of SE424472B publication Critical patent/SE424472B/sv

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
    • G02B7/30—Systems for automatic generation of focusing signals using parallactic triangle with a base line
    • G02B7/32—Systems for automatic generation of focusing signals using parallactic triangle with a base line using active means, e.g. light emitter
    • 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
    • G02B7/30—Systems for automatic generation of focusing signals using parallactic triangle with a base line

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Automatic Focus Adjustment (AREA)
  • Eye Examination Apparatus (AREA)
  • Measurement Of Optical Distance (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
SE7514410A 1974-12-21 1975-12-18 Anordning for att fotoelektriskt bestemma leget av ett skerpeplan for en bild SE424472B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2460805A DE2460805C2 (de) 1974-12-21 1974-12-21 Optischer Entfernungsmesser

Publications (2)

Publication Number Publication Date
SE7514410L SE7514410L (sv) 1976-06-22
SE424472B true SE424472B (sv) 1982-07-19

Family

ID=5934218

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7514410A SE424472B (sv) 1974-12-21 1975-12-18 Anordning for att fotoelektriskt bestemma leget av ett skerpeplan for en bild

Country Status (9)

Country Link
US (1) US4037958A (sv)
CA (1) CA1036403A (sv)
CH (1) CH609453A5 (sv)
DE (1) DE2460805C2 (sv)
FR (1) FR2295443A2 (sv)
GB (1) GB1510807A (sv)
IT (1) IT1052720B (sv)
NL (1) NL7514326A (sv)
SE (1) SE424472B (sv)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2637284C3 (de) * 1976-08-19 1980-02-14 Ernst Leitz Wetzlar Gmbh, 6300 Lahn- Wetzlar Verfahren und Anordnungen zur automatischen Parallaxebestimmung
US4269512A (en) * 1979-02-21 1981-05-26 Nosler John C Electro-optical position-monitoring apparatus with tracking detector
DE3009535A1 (de) * 1980-03-12 1981-09-17 Siemens Ag Optikmodul fuer einen optoelektronischen entfernungsmesser
DE3039425A1 (de) * 1980-10-18 1982-05-19 Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar Einrichtung zur fotoelektrischen bestimmung der lage mindestens einer schaerfenebene eines bildes
JPS57128810A (en) * 1981-02-03 1982-08-10 Olympus Optical Co Ltd Distance measuring device
JPS58207013A (ja) * 1982-05-25 1983-12-02 Olympus Optical Co Ltd 合焦検出方法
DE3219503C2 (de) * 1982-05-25 1985-08-08 Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar Vorrichtung zum selbsttätigen Fokussieren auf in optischen Geräten zu betrachtende Objekte
DD234340A3 (de) * 1984-05-02 1986-04-02 Zeiss Jena Veb Carl Automatische fokussiereinrichtung
IT1201256B (it) * 1985-03-19 1989-01-27 Consiglio Nazionale Ricerche Perfezionamento nei dispositivi per la messa a fuoco automatica dei sistemi ottici,in particolare microspopi e strumenti per l'acquisizione elettronica di immagini microscopiche
DE3537782A1 (de) * 1985-10-24 1987-04-30 Leitz Ernst Gmbh Abtastgitter fuer einen schaerfedetektor
US4808807A (en) * 1986-12-04 1989-02-28 General Signal Corp. Optical focus sensor system
FR2726496B1 (fr) * 1994-11-09 1997-01-17 Aerospatiale Procede de localisation spatiale du point focal d'un faisceau laser d'une machine d'usinage et outillage pour la mise en oeuvre de ce procede

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3347129A (en) * 1964-10-29 1967-10-17 Wilhelm J Lohninger Photoelectric range finder
GB1249302A (en) * 1968-01-16 1971-10-13 Secr Defence Improvements in or relating to optical beam splitter devices and apparatus
DE2003492A1 (de) * 1970-01-27 1971-08-12 Leitz Ernst Gmbh Messverfahren fuer Schrittgeber zum Messen von Laengen oder Winkeln sowie Anordnungen zur Durchfuehrung dieses Messverfahrens
DE2156617C3 (de) * 1971-11-15 1980-08-21 Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar Einrichtung zur Bestimmung der Lage der Ebene maximaler Amplitude einer Ortsfrequenz, beispielsweise bei einem Entfernungsmesser
AT353497B (de) * 1972-05-23 1979-11-12 Leitz Ernst Gmbh Vorrichtung an mikroskopen, zum automatischen fokussieren des geraetes auf unterschiedliche objekt-ebenen

Also Published As

Publication number Publication date
DE2460805C2 (de) 1983-01-27
GB1510807A (en) 1978-05-17
CA1036403A (en) 1978-08-15
US4037958A (en) 1977-07-26
CH609453A5 (sv) 1979-02-28
DE2460805A1 (de) 1976-06-24
FR2295443B2 (sv) 1979-05-11
FR2295443A2 (fr) 1976-07-16
NL7514326A (nl) 1976-06-23
SE7514410L (sv) 1976-06-22
IT1052720B (it) 1981-07-20

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