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GB9217137D0 - Display device - Google Patents

Display device

Info

Publication number
GB9217137D0
GB9217137D0 GB929217137A GB9217137A GB9217137D0 GB 9217137 D0 GB9217137 D0 GB 9217137D0 GB 929217137 A GB929217137 A GB 929217137A GB 9217137 A GB9217137 A GB 9217137A GB 9217137 D0 GB9217137 D0 GB 9217137D0
Authority
GB
United Kingdom
Prior art keywords
display device
display
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.)
Withdrawn
Application number
GB929217137A
Other versions
GB2269680A (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB9217137A priority Critical patent/GB2269680A/en
Publication of GB9217137D0 publication Critical patent/GB9217137D0/en
Publication of GB2269680A publication Critical patent/GB2269680A/en
Withdrawn legal-status Critical Current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
    • G03B21/132—Overhead projectors, i.e. capable of projecting hand-writing or drawing during action

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Overhead Projectors And Projection Screens (AREA)
GB9217137A 1992-08-13 1992-08-13 Overhead projector display device having slidable support frame and opaque blind Withdrawn GB2269680A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9217137A GB2269680A (en) 1992-08-13 1992-08-13 Overhead projector display device having slidable support frame and opaque blind

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9217137A GB2269680A (en) 1992-08-13 1992-08-13 Overhead projector display device having slidable support frame and opaque blind

Publications (2)

Publication Number Publication Date
GB9217137D0 true GB9217137D0 (en) 1992-09-23
GB2269680A GB2269680A (en) 1994-02-16

Family

ID=10720246

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9217137A Withdrawn GB2269680A (en) 1992-08-13 1992-08-13 Overhead projector display device having slidable support frame and opaque blind

Country Status (1)

Country Link
GB (1) GB2269680A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2116191A1 (en) * 1994-02-22 1995-08-23 George B. Blake Overhead projector presentation system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3661449A (en) * 1969-05-19 1972-05-09 John S Wright Overhead visual shutter device
FI88214C (en) * 1987-12-30 1993-04-13 Educatek Oy BILDKASTARE
US5073023A (en) * 1990-01-04 1991-12-17 Arsem Alvan D Overhead projector display
US5121984A (en) * 1990-03-05 1992-06-16 Mark Jones Masking device for use with image projectors
GB2246873A (en) * 1990-06-19 1992-02-12 Brian Bottomley Overhead projection accessory

Also Published As

Publication number Publication date
GB2269680A (en) 1994-02-16

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)