DE69309892D1 - Autofokusvorrichtung - Google Patents

Autofokusvorrichtung

Info

Publication number
DE69309892D1
DE69309892D1 DE69309892T DE69309892T DE69309892D1 DE 69309892 D1 DE69309892 D1 DE 69309892D1 DE 69309892 T DE69309892 T DE 69309892T DE 69309892 T DE69309892 T DE 69309892T DE 69309892 D1 DE69309892 D1 DE 69309892D1
Authority
DE
Germany
Prior art keywords
autofocus device
autofocus
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.)
Expired - Fee Related
Application number
DE69309892T
Other languages
English (en)
Other versions
DE69309892T2 (de
Inventor
Bernd Beuter
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.)
Eastman Kodak Co
Original Assignee
Kodak 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 Kodak GmbH filed Critical Kodak GmbH
Priority to DE69309892T priority Critical patent/DE69309892T2/de
Application granted granted Critical
Publication of DE69309892D1 publication Critical patent/DE69309892D1/de
Publication of DE69309892T2 publication Critical patent/DE69309892T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
DE69309892T 1992-10-21 1993-10-16 Selbstfokussiervorrichtung Expired - Fee Related DE69309892T2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE69309892T DE69309892T2 (de) 1992-10-21 1993-10-16 Selbstfokussiervorrichtung

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4235392A DE4235392A1 (de) 1992-10-21 1992-10-21 Selbstfokussiervorrichtung
PCT/EP1993/002856 WO1994009405A1 (en) 1992-10-21 1993-10-16 Autofocus device
DE69309892T DE69309892T2 (de) 1992-10-21 1993-10-16 Selbstfokussiervorrichtung

Publications (2)

Publication Number Publication Date
DE69309892D1 true DE69309892D1 (de) 1997-05-22
DE69309892T2 DE69309892T2 (de) 1997-11-06

Family

ID=6470915

Family Applications (2)

Application Number Title Priority Date Filing Date
DE4235392A Withdrawn DE4235392A1 (de) 1992-10-21 1992-10-21 Selbstfokussiervorrichtung
DE69309892T Expired - Fee Related DE69309892T2 (de) 1992-10-21 1993-10-16 Selbstfokussiervorrichtung

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE4235392A Withdrawn DE4235392A1 (de) 1992-10-21 1992-10-21 Selbstfokussiervorrichtung

Country Status (6)

Country Link
US (1) US5455411A (de)
EP (1) EP0620928B1 (de)
JP (1) JPH07502611A (de)
CA (1) CA2125407A1 (de)
DE (2) DE4235392A1 (de)
WO (1) WO1994009405A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6050690A (en) * 1998-01-08 2000-04-18 Siemens Information And Communication Networks, Inc. Apparatus and method for focusing a projected image

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1263129A (en) * 1969-09-05 1972-02-09 Rank Organisation Ltd Projector with automatic focussing arrangement
US4198138A (en) * 1978-04-19 1980-04-15 Bell & Howell Company Automatic focusing system for projectors
US4220850A (en) * 1978-09-29 1980-09-02 Abbott Laboratories Bimodal autofocusing apparatus
DE3207152A1 (de) * 1982-02-27 1983-09-22 Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar Automatische fokussiereinrichtung fuer diaprojektoren
DE3325042A1 (de) * 1983-07-12 1984-02-23 Kodak Ag, 7000 Stuttgart Selbstfokussiervorrichtung
US4748469A (en) * 1984-05-07 1988-05-31 Canon Kabushiki Kaisha Distance measuring device for camera
US4743109A (en) * 1987-09-04 1988-05-10 Eastman Kodak Company Slide projector with automatic slide warpage compensation
DE4201272A1 (de) * 1992-01-18 1993-07-22 Kodak Ag Verfahren zur automatischen bildscharfstellung bei verwendung glasgerahmter und glaslos gerahmter dias in diaprojektoren

Also Published As

Publication number Publication date
DE69309892T2 (de) 1997-11-06
EP0620928B1 (de) 1997-04-16
US5455411A (en) 1995-10-03
EP0620928A1 (de) 1994-10-26
JPH07502611A (ja) 1995-03-16
DE4235392A1 (de) 1994-04-28
WO1994009405A1 (en) 1994-04-28
CA2125407A1 (en) 1994-04-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: EASTMAN KODAK CO., ROCHESTER, N.Y., US

8328 Change in the person/name/address of the agent

Free format text: LEWANDOWSKY, K., DIPL.-ING., PAT.-ANW., 73033 GOEPPINGEN

8339 Ceased/non-payment of the annual fee