GB9726932D0 - Overhead projection apparatus - Google Patents

Overhead projection apparatus

Info

Publication number
GB9726932D0
GB9726932D0 GBGB9726932.8A GB9726932A GB9726932D0 GB 9726932 D0 GB9726932 D0 GB 9726932D0 GB 9726932 A GB9726932 A GB 9726932A GB 9726932 D0 GB9726932 D0 GB 9726932D0
Authority
GB
United Kingdom
Prior art keywords
projection apparatus
overhead projection
overhead
projection
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.)
Granted
Application number
GBGB9726932.8A
Other versions
GB2320585B (en
GB2320585A (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.)
MARTIN BUNZL MARKETING Ltd
Original Assignee
MARTIN BUNZL MARKETING 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
Priority claimed from GBGB9626456.9A external-priority patent/GB9626456D0/en
Priority claimed from GBGB9719394.0A external-priority patent/GB9719394D0/en
Application filed by MARTIN BUNZL MARKETING Ltd filed Critical MARTIN BUNZL MARKETING Ltd
Publication of GB9726932D0 publication Critical patent/GB9726932D0/en
Publication of GB2320585A publication Critical patent/GB2320585A/en
Application granted granted Critical
Publication of GB2320585B publication Critical patent/GB2320585B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42F—SHEETS TEMPORARILY ATTACHED TOGETHER; FILING APPLIANCES; FILE CARDS; INDEXING
    • B42F7/00—Filing appliances without fastening means
    • B42F7/02—Filing appliances comprising only one pocket or compartment, e.g. single gussetted pockets
    • B42F7/025—Filing appliances comprising only one pocket or compartment, e.g. single gussetted pockets made of transparent material
    • 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
    • G03B21/54—Accessories
    • G03B21/64—Means for mounting individual pictures to be projected, e.g. frame for transparency

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Sheet Holders (AREA)
GB9726932A 1996-12-20 1997-12-19 Overhead projection transparency pockets and mask Expired - Fee Related GB2320585B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9626456.9A GB9626456D0 (en) 1996-12-20 1996-12-20 Overhead projection apparatus
GBGB9719039.1A GB9719039D0 (en) 1996-12-20 1997-09-08 Overhead projection apparatus
GBGB9719394.0A GB9719394D0 (en) 1997-09-11 1997-09-11 Overhead projection apparatus

Publications (3)

Publication Number Publication Date
GB9726932D0 true GB9726932D0 (en) 1998-02-18
GB2320585A GB2320585A (en) 1998-06-24
GB2320585B GB2320585B (en) 2001-06-13

Family

ID=27268645

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9726932A Expired - Fee Related GB2320585B (en) 1996-12-20 1997-12-19 Overhead projection transparency pockets and mask

Country Status (3)

Country Link
AU (1) AU5330798A (en)
GB (1) GB2320585B (en)
WO (1) WO1998030935A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6862388B2 (en) 2001-07-30 2005-03-01 Nanyang Technological University High density fibre coupling
CN107448820B (en) * 2017-07-18 2020-03-24 东莞市闻誉实业有限公司 Projection type decorative lamp

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3438703A (en) * 1966-11-28 1969-04-15 Carl W Winnemann Transparency projection accessory
US3476474A (en) * 1967-09-12 1969-11-04 Eastman Kodak Co Slide projector for corner pivot slide mounts
US3600079A (en) * 1969-05-19 1971-08-17 Milton Bradley Co Transparency holder and viewing device
US3778143A (en) * 1973-02-05 1973-12-11 J Treher Remote controlled slide changer for overhead projector

Also Published As

Publication number Publication date
GB2320585B (en) 2001-06-13
AU5330798A (en) 1998-08-03
GB2320585A (en) 1998-06-24
WO1998030935A1 (en) 1998-07-16

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20011219