FR1521040A - Système optique de maintien de diapositif sous vide - Google Patents

Système optique de maintien de diapositif sous vide

Info

Publication number
FR1521040A
FR1521040A FR8476A FR06008476A FR1521040A FR 1521040 A FR1521040 A FR 1521040A FR 8476 A FR8476 A FR 8476A FR 06008476 A FR06008476 A FR 06008476A FR 1521040 A FR1521040 A FR 1521040A
Authority
FR
France
Prior art keywords
holding system
slide holding
vacuum slide
optical vacuum
optical
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
Application number
FR8476A
Other languages
English (en)
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of FR1521040A publication Critical patent/FR1521040A/fr
Expired 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
    • G03B27/00—Photographic printing apparatus
    • G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
    • G03B27/52—Details
    • G03B27/62—Holders for the original
    • G03B27/64—Holders for the original using a vacuum or fluid pressure
    • 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
    • G03B21/001—Slide projectors
    • 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
    • G03B21/16—Cooling; Preventing overheating
    • 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
    • G03B23/00—Devices for changing pictures in viewing apparatus or projectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Lenses (AREA)
FR8476A 1966-06-15 1967-04-25 Système optique de maintien de diapositif sous vide Expired FR1521040A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US55771366A 1966-06-15 1966-06-15

Publications (1)

Publication Number Publication Date
FR1521040A true FR1521040A (fr) 1968-04-12

Family

ID=24226597

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8476A Expired FR1521040A (fr) 1966-06-15 1967-04-25 Système optique de maintien de diapositif sous vide

Country Status (3)

Country Link
US (1) US3433564A (fr)
FR (1) FR1521040A (fr)
GB (1) GB1123138A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2433768A1 (fr) * 1978-08-18 1980-03-14 Dainippon Screen Mfg Dispositif pneumatique de maintien de film

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3645621A (en) * 1970-05-27 1972-02-29 Western Blue Print Co Camera-projector with vacuum film platen
US3734615A (en) * 1971-05-27 1973-05-22 Western Blue Print Co Vacuum film platen and condenser lens assembly for photo reproduction apparatus
US4043665A (en) * 1975-03-26 1977-08-23 Xerox Corporation Copier document handler
US3963346A (en) * 1975-04-28 1976-06-15 Veb Pentacon Dresden Microfilm cameras
JP4511269B2 (ja) * 2004-07-21 2010-07-28 三洋電機株式会社 投写型映像表示装置
CN104028504A (zh) * 2013-03-04 2014-09-10 台达电子工业股份有限公司 适用于投影装置的清洁模块

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2645153A (en) * 1947-12-13 1953-07-14 Bernard R Halpern Optically true support for photographic film, copy, or other material
US2584401A (en) * 1949-08-11 1952-02-05 Marvin A Thralls Transparent vacuum back
US2941461A (en) * 1958-01-31 1960-06-21 Frederic G Ludwig Platen for use in photographic processes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2433768A1 (fr) * 1978-08-18 1980-03-14 Dainippon Screen Mfg Dispositif pneumatique de maintien de film

Also Published As

Publication number Publication date
US3433564A (en) 1969-03-18
GB1123138A (en) 1968-08-14

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