DE2159820A1 - Automatische Fokussiervornchtung - Google Patents

Automatische Fokussiervornchtung

Info

Publication number
DE2159820A1
DE2159820A1 DE19712159820 DE2159820A DE2159820A1 DE 2159820 A1 DE2159820 A1 DE 2159820A1 DE 19712159820 DE19712159820 DE 19712159820 DE 2159820 A DE2159820 A DE 2159820A DE 2159820 A1 DE2159820 A1 DE 2159820A1
Authority
DE
Germany
Prior art keywords
turntable
light source
turntables
automatic focusing
focusing device
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.)
Pending
Application number
DE19712159820
Other languages
German (de)
English (en)
Inventor
Mitsuji Gonda Tsunemi Tsuruta Tadao Tokio P Kishi
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.)
Nikon Corp
Original Assignee
Nippon Kogaku KK
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 Nippon Kogaku KK filed Critical Nippon Kogaku KK
Publication of DE2159820A1 publication Critical patent/DE2159820A1/de
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/28Systems for automatic generation of focusing signals

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Automatic Focus Adjustment (AREA)
  • Eye Examination Apparatus (AREA)
DE19712159820 1970-12-04 1971-12-02 Automatische Fokussiervornchtung Pending DE2159820A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10677070 1970-12-04

Publications (1)

Publication Number Publication Date
DE2159820A1 true DE2159820A1 (de) 1972-06-22

Family

ID=14442125

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712159820 Pending DE2159820A1 (de) 1970-12-04 1971-12-02 Automatische Fokussiervornchtung

Country Status (5)

Country Link
CH (1) CH531729A (enExample)
DE (1) DE2159820A1 (enExample)
FR (1) FR2116550A1 (enExample)
GB (1) GB1368819A (enExample)
IT (1) IT945236B (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4090790A (en) * 1976-07-08 1978-05-23 American Optical Corporation Apparatus for testing the refractive power(s) of lenses
US4611913A (en) * 1982-04-19 1986-09-16 Sugino Paul S Method and apparatus for analyzing ophthalmic elements and the like

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4410785A (en) 1978-06-07 1983-10-18 Philip Morris Incorporated Method and apparatus for perforation of sheet material by laser
US4439663A (en) * 1978-08-10 1984-03-27 Philip Morris Incorporated Method and system for laser perforation of sheet material
US4404454A (en) 1978-09-20 1983-09-13 Philip Morris Incorporated Light energy perforation apparatus and system
US4404452A (en) 1979-06-08 1983-09-13 Philip Morris Incorporated Optical perforating apparatus and system
US4499361A (en) * 1983-05-02 1985-02-12 Philip Morris Incorporated Laser beam interrupter and divider
RU2153185C1 (ru) * 1999-09-10 2000-07-20 Тиглиев Георгий Самуилович Устройство для обеспечения повышения глубины резкости оптических приборов

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4090790A (en) * 1976-07-08 1978-05-23 American Optical Corporation Apparatus for testing the refractive power(s) of lenses
US4611913A (en) * 1982-04-19 1986-09-16 Sugino Paul S Method and apparatus for analyzing ophthalmic elements and the like

Also Published As

Publication number Publication date
CH531729A (de) 1973-01-31
FR2116550A1 (enExample) 1972-07-13
GB1368819A (en) 1974-10-02
IT945236B (it) 1973-05-10

Similar Documents

Publication Publication Date Title
EP0509979B1 (de) Photoelektronische Positionsmesseinrichtung
DE2657938C2 (enExample)
CH392079A (de) Einrichtung zur ziffernmässigen Messung der Verschiebung eines Gegenstandes
DE2159820A1 (de) Automatische Fokussiervornchtung
DE2650422C2 (de) AbstandsmeBgerät
DE2315471B2 (de) Stellungsgeber für elektrische Nachführeinrichtungen bei Registriersystemen
DE1202012B (de) Fotoelektrische Vorrichtung zum genauen Bestimmen der Lage eines Teilungsmerkmales
DE2454883C2 (de) Einrichtung zur automatischen, fotoelektrischen Auswertung stereoskopischer Bilder
DE2051491A1 (de) Langenmeßgerat
DE4015099A1 (de) Messwandler
DE2023677A1 (de) Verfahren und Vorrichtung zur digitalen Messung analoger Größen
DE3920627A1 (de) Vorrichtung zum messen der winkellage und der drehzahl, insbesondere fuer elektromotore
DE1093099B (de) Verfahren und Anordnung zur Messung von Strecken und Winkeln
DE1938231A1 (de) Einrichtung und Verfahren zur Toleranzwertbestimmung der Formkurve eines Nockens
DE2557136C3 (de) Vorrichtung zur unmittelbaren Messung von linearen und winkeligen Verschiebungen mit Ziffernablesung
DE3140638A1 (de) Verschiebungsmessinstrument
DE1082744B (de) Verfahren zum Messen oder Steuern von Bewegungen und Vorrichtung zur Durchfuehrung des Verfahrens
DE918996C (de) Vorrichtung zur lichtelektrischen Drehzahlmessung oder zum Drehzahlvergleich von umlaufenden Teilen an Elektrizitaetszaehlern
AT237321B (de) Vorrichtung zum automatischen Ablesen der Stellung eines Zeigers
DD229508A1 (de) Vorrichtung zur automatischen gangunterschiedmessung in interferometern
DE3536853C2 (de) Optische Fühlereinrichtung
DE868791C (de) Einrichtung zur Messung kleiner Laengenaenderungen
DE2357372A1 (de) Vorrichtung zur lagebestimmung eines beweglichen gegenstandes
DE2237138A1 (de) Winkelmesser
DE1123121B (de) Messgeraet fuer statistisches Messen