GB2232780B - Opaque projector - Google Patents

Opaque projector

Info

Publication number
GB2232780B
GB2232780B GB9008087A GB9008087A GB2232780B GB 2232780 B GB2232780 B GB 2232780B GB 9008087 A GB9008087 A GB 9008087A GB 9008087 A GB9008087 A GB 9008087A GB 2232780 B GB2232780 B GB 2232780B
Authority
GB
United Kingdom
Prior art keywords
opaque projector
projector
opaque
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
GB9008087A
Other versions
GB2232780A (en
GB9008087D0 (en
Inventor
Ritsuo Koga
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.)
Plus Corp
Original Assignee
Plus 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 Plus Corp filed Critical Plus Corp
Publication of GB9008087D0 publication Critical patent/GB9008087D0/en
Publication of GB2232780A publication Critical patent/GB2232780A/en
Application granted granted Critical
Publication of GB2232780B publication Critical patent/GB2232780B/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
    • G03B21/06—Projectors or projection-type viewers; Accessories therefor affording only episcopic projection

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
GB9008087A 1989-06-15 1990-04-10 Opaque projector Expired - Fee Related GB2232780B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7013889U JPH0311237U (en) 1989-06-15 1989-06-15

Publications (3)

Publication Number Publication Date
GB9008087D0 GB9008087D0 (en) 1990-06-06
GB2232780A GB2232780A (en) 1990-12-19
GB2232780B true GB2232780B (en) 1993-08-04

Family

ID=13422911

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9008087A Expired - Fee Related GB2232780B (en) 1989-06-15 1990-04-10 Opaque projector

Country Status (6)

Country Link
JP (1) JPH0311237U (en)
CA (1) CA2014370C (en)
DE (1) DE4013426A1 (en)
FR (1) FR2648577A1 (en)
GB (1) GB2232780B (en)
HK (1) HK1000427A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG114471A1 (en) * 2000-09-08 2005-09-28 Vista Technology Co Ltd Projector with image source from objects
JP2002214708A (en) * 2001-01-12 2002-07-31 Sony Corp Projector
DE102010022735B4 (en) 2010-06-04 2022-07-07 Volkswagen Ag Method for projecting a graphic onto a projection surface, in particular onto a surface of a motor vehicle and method for manufacturing a motor vehicle
RU2552012C1 (en) * 2014-01-10 2015-06-10 Николай Борисович Болотин Hydrogen gas-turbine engine

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB542211A (en) * 1938-03-15 1941-12-31 Anciens Ets Barbier Improvements in or relating to optical projection apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1797080A1 (en) * 1968-08-13 1972-01-20 Enna Werk Optik Apelt Episcope
US4002408A (en) * 1971-10-14 1977-01-11 Gakken Co. Ltd. System and device for overhead projection
DE3136970C2 (en) * 1981-09-17 1984-09-13 Fa. Ed. Liesegang, 4000 Düsseldorf Device for adjusting the lens position in relation to the original plane on the device head of a projector
JPS59165042A (en) * 1983-03-11 1984-09-18 Fuji Xerox Co Ltd Projector for deskwork
DE3316246A1 (en) * 1983-05-04 1984-11-22 Hartmut Dr. 2352 Bordesholm Wiedling Focus-correcting device for inclined projection in overhead projectors

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB542211A (en) * 1938-03-15 1941-12-31 Anciens Ets Barbier Improvements in or relating to optical projection apparatus

Also Published As

Publication number Publication date
FR2648577A1 (en) 1990-12-21
JPH0311237U (en) 1991-02-04
GB2232780A (en) 1990-12-19
CA2014370C (en) 1993-11-02
CA2014370A1 (en) 1990-12-15
GB9008087D0 (en) 1990-06-06
DE4013426A1 (en) 1990-12-20
HK1000427A1 (en) 1998-03-20
DE4013426C2 (en) 1993-07-08

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Legal Events

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

Effective date: 20030410