DK127349B - Apparat til opbevaring og forevisning af transparenter. - Google Patents

Apparat til opbevaring og forevisning af transparenter.

Info

Publication number
DK127349B
DK127349B DK407469AA DK407469A DK127349B DK 127349 B DK127349 B DK 127349B DK 407469A A DK407469A A DK 407469AA DK 407469 A DK407469 A DK 407469A DK 127349 B DK127349 B DK 127349B
Authority
DK
Denmark
Prior art keywords
storing
transparencies
displaying
displaying transparencies
Prior art date
Application number
DK407469AA
Other languages
Danish (da)
English (en)
Inventor
J Wright
Original Assignee
Transart Ltd
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 Transart Ltd filed Critical Transart Ltd
Publication of DK127349B publication Critical patent/DK127349B/da

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
    • G03B21/132—Overhead projectors, i.e. capable of projecting hand-writing or drawing during action
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S353/00—Optics: image projectors
    • Y10S353/05—Transparency holder accessories

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Projection Apparatus (AREA)
DK407469AA 1968-07-29 1969-07-28 Apparat til opbevaring og forevisning af transparenter. DK127349B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US74825568A 1968-07-29 1968-07-29

Publications (1)

Publication Number Publication Date
DK127349B true DK127349B (da) 1973-10-22

Family

ID=25008671

Family Applications (1)

Application Number Title Priority Date Filing Date
DK407469AA DK127349B (da) 1968-07-29 1969-07-28 Apparat til opbevaring og forevisning af transparenter.

Country Status (8)

Country Link
US (1) US3524703A (OSRAM)
DE (1) DE1915518A1 (OSRAM)
DK (1) DK127349B (OSRAM)
ES (1) ES369963A1 (OSRAM)
FR (1) FR2013881A1 (OSRAM)
GB (2) GB1232181A (OSRAM)
IE (1) IE33436B1 (OSRAM)
NL (1) NL6911560A (OSRAM)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3709590A (en) * 1970-09-14 1973-01-09 A Bisberg Folder for overhead projector
US3895453A (en) * 1970-10-02 1975-07-22 John S Wright Accessory storage and projection apparatus for visual communications
SE346166B (OSRAM) * 1970-10-06 1972-06-26 Almqvist & Wiksell Foerlag Ab
US3811212A (en) * 1972-01-31 1974-05-21 J Wright Transparency display devices
US3717870A (en) * 1972-02-14 1973-02-20 Litton Systems Inc Card directory
US3935583A (en) * 1974-03-22 1976-01-27 Spence Bate Apparatus for making microfiches
US4203659A (en) * 1978-06-12 1980-05-20 Instructo/Mcgraw-Hill, Inc. Transparency storage and display apparatus
CA1125066A (en) * 1979-09-11 1982-06-08 John S. Wright Extension platform to support transparencies for an overhead projector
SE420775B (sv) * 1980-03-13 1981-10-26 Minnesota Mining & Mfg Omslag for bildark till arbetsprojektorer och liknande projektionsapparater
DK230782A (da) * 1982-05-21 1983-11-22 Bjarne Mueller Nielsen Beskyttelsesindretning til transparenter
GB2156096B (en) * 1984-03-16 1987-05-28 Wilfred Levin Accessory for use with an overhead projector
SE439999B (sv) * 1984-07-23 1985-07-08 Nord Ab Ingfirma Forfarande for presentation av information pa ett flertal arkformiga informationsberare samt anordning for genomforande av forfarandet
US4707092A (en) * 1985-04-24 1987-11-17 D. O. Industries, Inc. Transparency transport system for overhead projector
US4732468A (en) * 1986-07-01 1988-03-22 Wright John S Registry device for transparencies for overhead projector
US4906091A (en) * 1987-09-02 1990-03-06 Slidex Corporation Glass stage and an overhead type projector system
US5371560A (en) * 1991-11-15 1994-12-06 Minnesota Mining And Manufacturing Company Envelope for transparency
US5237355A (en) * 1991-11-15 1993-08-17 Minnesota Mining And Manufacturing Company Envelope for transparency having increased flexibility
US5266987A (en) * 1991-11-15 1993-11-30 Minnesota Mining And Manufacturing Company Envelope for transparencies
US5475453A (en) * 1994-08-08 1995-12-12 Maccarthy; Patrick Manually-operated tray assembly for dispensing and receiving overhead projector transparencies
GB2299178A (en) * 1995-03-21 1996-09-25 Ian Richard Ladd Overhead projector transparency transport system
US6022111A (en) * 1997-12-22 2000-02-08 3M Innovative Properties Company Self-protected imageable presentation transparency assembly
US7106014B1 (en) * 2003-04-07 2006-09-12 Krueger International, Inc. Lectern
WO2010007625A1 (en) * 2008-07-16 2010-01-21 Bruce Gotfried Illumination of reading material

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB531904A (en) * 1939-07-11 1941-01-14 Standard Telephones Cables Ltd Improvements in or relating to electron discharge devices
US2962825A (en) * 1959-06-09 1960-12-06 Gen Aniline & Film Corp Portable viewing device
US3253358A (en) * 1963-07-17 1966-05-31 John S Wright Visual teaching system
US3269261A (en) * 1963-09-30 1966-08-30 Porter & Co Inc Registration method and frame
US3264767A (en) * 1964-01-29 1966-08-09 Tecnifax Corp Pin registration system of producing slide transparencies for overhead projection

Also Published As

Publication number Publication date
NL6911560A (OSRAM) 1970-02-02
IE33436B1 (en) 1974-06-26
FR2013881A1 (OSRAM) 1970-04-10
ES369963A1 (es) 1972-01-01
GB1244776A (en) 1971-09-02
US3524703A (en) 1970-08-18
GB1232181A (OSRAM) 1971-05-19
DE1915518A1 (de) 1970-07-16
IE33436L (en) 1970-01-29

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