AT312324B - Lichtbildprojektor mit selbsttätiger Scharfeinstellung - Google Patents

Lichtbildprojektor mit selbsttätiger Scharfeinstellung

Info

Publication number
AT312324B
AT312324B AT667970A AT667970A AT312324B AT 312324 B AT312324 B AT 312324B AT 667970 A AT667970 A AT 667970A AT 667970 A AT667970 A AT 667970A AT 312324 B AT312324 B AT 312324B
Authority
AT
Austria
Prior art keywords
automatic focusing
photo projector
projector
photo
focusing
Prior art date
Application number
AT667970A
Other languages
German (de)
English (en)
Original Assignee
Gaf Corp
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 Gaf Corp filed Critical Gaf Corp
Application granted granted Critical
Publication of AT312324B publication Critical patent/AT312324B/de

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/53—Means for automatic focusing, e.g. to compensate thermal effects

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automatic Focus Adjustment (AREA)
  • Focusing (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
AT667970A 1969-07-22 1970-07-22 Lichtbildprojektor mit selbsttätiger Scharfeinstellung AT312324B (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US84331169A 1969-07-22 1969-07-22
US3795070A 1970-05-18 1970-05-18

Publications (1)

Publication Number Publication Date
AT312324B true AT312324B (de) 1973-12-27

Family

ID=26714651

Family Applications (1)

Application Number Title Priority Date Filing Date
AT667970A AT312324B (de) 1969-07-22 1970-07-22 Lichtbildprojektor mit selbsttätiger Scharfeinstellung

Country Status (11)

Country Link
JP (1) JPS5012304B1 (enExample)
AT (1) AT312324B (enExample)
BE (1) BE753741A (enExample)
CA (1) CA948908A (enExample)
CH (1) CH516172A (enExample)
DE (2) DE2036119C3 (enExample)
FR (1) FR2053071B1 (enExample)
GB (1) GB1285870A (enExample)
IL (1) IL34951A (enExample)
NL (1) NL7010832A (enExample)
SE (1) SE360747B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0514728A1 (de) * 1991-05-23 1992-11-25 Agfa-Gevaert AG Vorrichtung zur gleichmässigen Ausleuchtung einer Projektionsfläche

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2518767A1 (fr) * 1981-12-17 1983-06-24 Centre Nat Etd Spatiales Procede de reglage automatique de la nettete d'images projetees sur un ecran et dispositifs pour la mise en oeuvre dudit procede
DE3325042A1 (de) * 1983-07-12 1984-02-23 Kodak Ag, 7000 Stuttgart Selbstfokussiervorrichtung
JPS6351681A (ja) * 1986-08-20 1988-03-04 Agency Of Ind Science & Technol 半導体装置
US6835921B2 (en) 2000-11-15 2004-12-28 Agfa Corporation Focusing system for use in imaging systems
EP1408360A3 (en) * 2002-10-11 2004-07-28 Agfa Corporation Focusing system and method for use in imaging systems

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0514728A1 (de) * 1991-05-23 1992-11-25 Agfa-Gevaert AG Vorrichtung zur gleichmässigen Ausleuchtung einer Projektionsfläche

Also Published As

Publication number Publication date
DE2036119C3 (de) 1974-03-28
IL34951A (en) 1973-02-28
IL34951A0 (en) 1970-09-17
CH516172A (de) 1971-11-30
JPS5012304B1 (enExample) 1975-05-10
GB1285870A (en) 1972-08-16
DE2036119B2 (de) 1973-08-23
NL7010832A (enExample) 1971-01-26
FR2053071A1 (enExample) 1971-04-16
DE7027406U (de) 1970-12-03
DE2036119A1 (de) 1971-02-04
FR2053071B1 (enExample) 1977-11-04
BE753741A (fr) 1970-12-31
SE360747B (enExample) 1973-10-01
CA948908A (en) 1974-06-11

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee