CH553421A - Einrichtung zur selbsttaetigen fokussierung. - Google Patents

Einrichtung zur selbsttaetigen fokussierung.

Info

Publication number
CH553421A
CH553421A CH1537972A CH1537972A CH553421A CH 553421 A CH553421 A CH 553421A CH 1537972 A CH1537972 A CH 1537972A CH 1537972 A CH1537972 A CH 1537972A CH 553421 A CH553421 A CH 553421A
Authority
CH
Switzerland
Prior art keywords
independent focusing
focusing
independent
Prior art date
Application number
CH1537972A
Other languages
German (de)
English (en)
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
Priority claimed from DE2156617A external-priority patent/DE2156617C3/de
Priority claimed from DE19722201092 external-priority patent/DE2201092C3/de
Application filed by Leitz Ernst Gmbh filed Critical Leitz Ernst Gmbh
Publication of CH553421A publication Critical patent/CH553421A/xx

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42—Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/46—Systems using spatial filters
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/40—Optical focusing aids

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Eye Examination Apparatus (AREA)
CH1537972A 1971-11-15 1972-10-20 Einrichtung zur selbsttaetigen fokussierung. CH553421A (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2156617A DE2156617C3 (de) 1971-11-15 1971-11-15 Einrichtung zur Bestimmung der Lage der Ebene maximaler Amplitude einer Ortsfrequenz, beispielsweise bei einem Entfernungsmesser
DE19722201092 DE2201092C3 (de) 1972-01-11 1972-01-11 Einrichtung zur Bestimmung der relativen Lage der Ebene maximaler Amplitude einer Ortsfrequenz

Publications (1)

Publication Number Publication Date
CH553421A true CH553421A (de) 1974-08-30

Family

ID=25762020

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1537972A CH553421A (de) 1971-11-15 1972-10-20 Einrichtung zur selbsttaetigen fokussierung.

Country Status (4)

Country Link
AT (1) AT349775B (cg-RX-API-DMAC7.html)
CH (1) CH553421A (cg-RX-API-DMAC7.html)
FR (1) FR2160399B1 (cg-RX-API-DMAC7.html)
GB (1) GB1396712A (cg-RX-API-DMAC7.html)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2506531C2 (de) * 1974-02-19 1983-07-28 The Marconi Co. Ltd., Chelmsford, Essex Vorrichtung zur Entfernungsbestimmung
DE2821722C2 (de) * 1978-05-18 1981-09-17 Siemens AG, 1000 Berlin und 8000 München Einrichtung zur automatischen oder halbautomatischen Scharfeinstellung der Abbildung eines Gegenstandes auf eine Bildebene
FR2442447A1 (fr) * 1978-11-22 1980-06-20 Hamel Bernard Procede et dispositif de mesure d'accelerations
US4474446A (en) * 1982-06-30 1984-10-02 Honeywell Inc. Focal sensor having optical low pass filter
DD234340A3 (de) * 1984-05-02 1986-04-02 Zeiss Jena Veb Carl Automatische fokussiereinrichtung
US4998011A (en) * 1989-11-17 1991-03-05 Applied Magnetics Corporation Flat plate focus sensing apparatus
US5568315A (en) * 1991-05-28 1996-10-22 Discovision Associates Optical beamsplitter
CN113188775B (zh) * 2021-07-02 2022-02-01 成都康拓兴业科技有限责任公司 一种航空防撞灯闪光频率测试仪

Also Published As

Publication number Publication date
AT349775B (de) 1979-04-25
GB1396712A (en) 1975-06-04
ATA905972A (de) 1978-09-15
FR2160399A1 (cg-RX-API-DMAC7.html) 1973-06-29
FR2160399B1 (cg-RX-API-DMAC7.html) 1979-04-27

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Legal Events

Date Code Title Description
PL Patent ceased