FR2015169A1 - - Google Patents

Info

Publication number
FR2015169A1
FR2015169A1 FR6927010A FR6927010A FR2015169A1 FR 2015169 A1 FR2015169 A1 FR 2015169A1 FR 6927010 A FR6927010 A FR 6927010A FR 6927010 A FR6927010 A FR 6927010A FR 2015169 A1 FR2015169 A1 FR 2015169A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6927010A
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.)
Bell and Howell Co
Original Assignee
Bell and Howell Co
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 Bell and Howell Co filed Critical Bell and Howell Co
Publication of FR2015169A1 publication Critical patent/FR2015169A1/fr
Withdrawn legal-status Critical Current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
    • G03B21/10—Projectors with built-in or built-on screen
    • G03B21/11—Projectors with built-in or built-on screen for microfilm reading

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Lenses (AREA)
  • Projection Apparatus (AREA)
FR6927010A 1968-08-06 1969-08-06 Withdrawn FR2015169A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US75061268A 1968-08-06 1968-08-06

Publications (1)

Publication Number Publication Date
FR2015169A1 true FR2015169A1 (fr) 1970-04-24

Family

ID=25018555

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6927010A Withdrawn FR2015169A1 (fr) 1968-08-06 1969-08-06

Country Status (4)

Country Link
US (1) US3582203A (fr)
CH (1) CH506804A (fr)
DE (1) DE1939629A1 (fr)
FR (1) FR2015169A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3848520A (en) * 1972-07-24 1974-11-19 Gerber Scientific Instr Co Line drawing photoexposure device with image rotating means
US3981574A (en) * 1973-12-17 1976-09-21 Addressograph Multigraph Corporation Optical device
DE3241574A1 (de) * 1981-11-11 1983-05-26 Canon K.K., Tokyo Geraet zur bilderzeugung unter veraenderbarer vergroesserung
DE3604518A1 (de) * 1985-02-14 1986-08-14 Canon K.K., Tokio/Tokyo Filmbild-suchvorrichtung
US4733951A (en) * 1987-04-01 1988-03-29 Minnesota Mining And Manufacturing Company Zoom lens having magnification factors in the range of 6.5x to 14x for micrographic applications
US4750820A (en) * 1987-04-01 1988-06-14 Minnesota Mining And Manufacturing Company Zoom lens having magnification factors in the range of 20X to 47X for micrographic applications
US4743102A (en) * 1987-04-01 1988-05-10 Minnesota Mining And Manufacturing Company Zoom lens having magnification factors in the range of 12X to 24X for micrographic applications
US4746204A (en) * 1987-04-01 1988-05-24 Minnesota Mining And Manufacturing Company Zoom lens having magnification factors in the range of 14X to 32X for micrographic applications
JP2780309B2 (ja) * 1989-02-28 1998-07-30 ミノルタ株式会社 コンパクトなズームレンズ系
US6688525B1 (en) 1999-09-22 2004-02-10 Eastman Kodak Company Apparatus and method for reading a coded pattern
TWI565966B (zh) 2015-07-24 2017-01-11 大立光電股份有限公司 光學攝像鏡組、取像裝置及電子裝置
TWI607238B (zh) 2016-08-22 2017-12-01 大立光電股份有限公司 光學攝像系統組、取像裝置及電子裝置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2434378A (en) * 1944-07-15 1948-01-13 Sun Chemical Corp Photographic reversing unit and system for producing reversed images
US2815696A (en) * 1953-10-27 1957-12-10 Viewlex Inc Brightness control means
US3286592A (en) * 1961-04-22 1966-11-22 Wagner Helmut Objective with continually variable focal length and fixed image plane
US3354776A (en) * 1964-11-20 1967-11-28 Bell & Howell Co Microfilm reader
US3497289A (en) * 1967-09-25 1970-02-24 Bausch & Lomb Prism variable anamorphic optical system

Also Published As

Publication number Publication date
DE1939629A1 (de) 1970-03-05
CH506804A (fr) 1971-04-30
US3582203A (en) 1971-06-01

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Legal Events

Date Code Title Description
ST Notification of lapse