GB2388486B - Projection unit - Google Patents

Projection unit

Info

Publication number
GB2388486B
GB2388486B GB0318831A GB0318831A GB2388486B GB 2388486 B GB2388486 B GB 2388486B GB 0318831 A GB0318831 A GB 0318831A GB 0318831 A GB0318831 A GB 0318831A GB 2388486 B GB2388486 B GB 2388486B
Authority
GB
United Kingdom
Prior art keywords
projection unit
projection
unit
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 - Fee Related
Application number
GB0318831A
Other versions
GB2388486A (en
GB0318831D0 (en
Inventor
Guy Spencer Edney
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 claimed from GB0220903A external-priority patent/GB2381149B/en
Publication of GB0318831D0 publication Critical patent/GB0318831D0/en
Publication of GB2388486A publication Critical patent/GB2388486A/en
Application granted granted Critical
Publication of GB2388486B publication Critical patent/GB2388486B/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
    • G03B21/10—Projectors with built-in or built-on screen
    • 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
    • G03B21/14—Details
    • G03B21/16—Cooling; Preventing overheating

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transforming Electric Information Into Light Information (AREA)
GB0318831A 2000-09-07 2000-09-07 Projection unit Expired - Fee Related GB2388486B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0220903A GB2381149B (en) 2000-09-07 2000-09-07 Projection unit

Publications (3)

Publication Number Publication Date
GB0318831D0 GB0318831D0 (en) 2003-09-10
GB2388486A GB2388486A (en) 2003-11-12
GB2388486B true GB2388486B (en) 2004-04-14

Family

ID=28800416

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0318831A Expired - Fee Related GB2388486B (en) 2000-09-07 2000-09-07 Projection unit

Country Status (1)

Country Link
GB (1) GB2388486B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2366927B (en) * 2000-09-07 2003-03-26 Guy Spencer Edney Projection unit

Also Published As

Publication number Publication date
GB2388486A (en) 2003-11-12
GB0318831D0 (en) 2003-09-10

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Legal Events

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

Effective date: 20090907