CA1069739A - Compact microform reader with projection screen - Google Patents

Compact microform reader with projection screen

Info

Publication number
CA1069739A
CA1069739A CA259,286A CA259286A CA1069739A CA 1069739 A CA1069739 A CA 1069739A CA 259286 A CA259286 A CA 259286A CA 1069739 A CA1069739 A CA 1069739A
Authority
CA
Canada
Prior art keywords
image
microform
screen
viewing
magnifying
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
CA259,286A
Other languages
English (en)
French (fr)
Inventor
Frank P. Bennett
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.)
GAF Corp
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 CA1069739A publication Critical patent/CA1069739A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/02—Viewing or reading apparatus
    • G02B27/022—Viewing apparatus
    • G02B27/024—Viewing apparatus comprising a light source, e.g. for viewing photographic slides, X-ray transparancies
    • G02B27/025—Viewing apparatus comprising a light source, e.g. for viewing photographic slides, X-ray transparancies and magnifying means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Lenses (AREA)
CA259,286A 1975-10-14 1976-08-17 Compact microform reader with projection screen Expired CA1069739A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/621,984 US4082440A (en) 1975-10-14 1975-10-14 Compact microform reader

Publications (1)

Publication Number Publication Date
CA1069739A true CA1069739A (en) 1980-01-15

Family

ID=24492478

Family Applications (1)

Application Number Title Priority Date Filing Date
CA259,286A Expired CA1069739A (en) 1975-10-14 1976-08-17 Compact microform reader with projection screen

Country Status (10)

Country Link
US (1) US4082440A (OSRAM)
JP (1) JPS5248340A (OSRAM)
AU (1) AU500238B2 (OSRAM)
BE (1) BE846171A (OSRAM)
CA (1) CA1069739A (OSRAM)
CH (1) CH596571A5 (OSRAM)
DE (1) DE2644544A1 (OSRAM)
FR (1) FR2328211A1 (OSRAM)
GB (1) GB1540311A (OSRAM)
IT (1) IT1068267B (OSRAM)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4372068A (en) * 1980-08-04 1983-02-08 Frederick A. Major Rechargeable transparent slide viewer apparatus
JPS58152797U (ja) * 1982-04-08 1983-10-13 日本鋼管株式会社 棒体の把持装置
DE3686710T2 (de) * 1985-06-24 1993-03-18 American Telephone & Telegraph Optische umordnungsanordnung.
DE4116801C2 (de) * 1991-05-23 1994-04-07 Agfa Gevaert Ag Vorrichtung zum Rückvergrößern von mikroverfilmten Vorlagen
US5644323A (en) * 1994-12-21 1997-07-01 Siliscape, Inc. Miniature synthesized virtual image electronic display
US5684497A (en) * 1994-12-21 1997-11-04 Siliscape, Inc. Twice folded compound magnified virtual image electronic display
JP3286133B2 (ja) * 1995-11-09 2002-05-27 シャープ株式会社 拡大用レンズとディスプレイ装置
US5771124A (en) * 1996-07-02 1998-06-23 Siliscape Compact display system with two stage magnification and immersed beam splitter
US6433935B2 (en) 1996-07-02 2002-08-13 Three-Five Systems, Inc. Display illumination system
GB9618331D0 (en) * 1996-09-03 1996-10-16 Virtuality Ip Ltd Display apparatus
US5808802A (en) * 1996-11-15 1998-09-15 Daewoo Electronics Co. Ltd. Head-mounted display apparatus with a single image display device
EP0887682A4 (en) * 1996-11-19 1999-11-17 Sony Corp Display
US7988296B2 (en) * 2008-07-25 2011-08-02 Zoran Perisic Apparatus for projecting two-dimensional images as pairs of pseudo-stereoscopic images
HU227721B1 (en) * 2008-08-18 2012-01-30 Laszlo Holakovszky Display device for cyclorama
WO2019116731A1 (ja) * 2017-12-11 2019-06-20 パナソニックＩｐマネジメント株式会社 ヘッドアップディスプレイおよびヘッドアップディスプレイを搭載した移動体

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2472259A (en) * 1949-06-07 Means and method of producing
US2735337A (en) * 1956-02-21 Frischmann
US1349018A (en) * 1916-07-25 1920-08-10 Terashima Toyojiro Stereoscope
FR818513A (fr) * 1936-12-07 1937-09-28 Dispositif automatique permettant à plusieurs personnes en même temps de regarder des dioramas naturels et en relief grandeur nature
US2517170A (en) * 1943-06-29 1950-08-01 Bernard Maurice Emile Binocular viewing apparatus for microfilms and the like
CH246723A (de) * 1945-01-04 1947-01-31 Alfred Dr Zwiauer Gerät zum Betrachten von Schrift- oder Bildwerke darstellenden Filmdiapositiven.
US2485411A (en) * 1945-08-30 1949-10-18 Verneur E Pratt Microfilm reading spectacles
US2674919A (en) * 1951-10-10 1954-04-13 Rodriguez Francisco Oropeza Stereoscopic projector and projection lens system
US3143920A (en) * 1958-04-07 1964-08-11 Jerry D Hawkins Motion picture viewer
US3072013A (en) * 1959-07-30 1963-01-08 Gen Telephone Directory Compan Microfilm reader
US3261977A (en) * 1961-08-25 1966-07-19 Lab For Electronics Inc Stereoscopic optical viewing system with a shutter element adjacent the object lens
US3659933A (en) * 1970-08-11 1972-05-02 Boxton Beel Inc Annotator for microfilm reader

Also Published As

Publication number Publication date
CH596571A5 (OSRAM) 1978-03-15
GB1540311A (en) 1979-02-07
IT1068267B (it) 1985-03-21
AU500238B2 (en) 1979-05-17
DE2644544A1 (de) 1977-04-28
AU1697976A (en) 1978-02-23
US4082440A (en) 1978-04-04
JPS5248340A (en) 1977-04-18
FR2328211A1 (fr) 1977-05-13
BE846171A (fr) 1977-03-14

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Legal Events

Date Code Title Description
MKEX Expiry