JPH0529465Y2 - - Google Patents

Info

Publication number
JPH0529465Y2
JPH0529465Y2 JP1985198336U JP19833685U JPH0529465Y2 JP H0529465 Y2 JPH0529465 Y2 JP H0529465Y2 JP 1985198336 U JP1985198336 U JP 1985198336U JP 19833685 U JP19833685 U JP 19833685U JP H0529465 Y2 JPH0529465 Y2 JP H0529465Y2
Authority
JP
Japan
Prior art keywords
lamp house
opening
overhead projector
mesh
mirror
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 - Lifetime
Application number
JP1985198336U
Other languages
English (en)
Japanese (ja)
Other versions
JPS62169335U (en]
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 filed Critical
Priority to JP1985198336U priority Critical patent/JPH0529465Y2/ja
Priority to US06/943,321 priority patent/US4824239A/en
Publication of JPS62169335U publication Critical patent/JPS62169335U/ja
Application granted granted Critical
Publication of JPH0529465Y2 publication Critical patent/JPH0529465Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
  • Overhead Projectors And Projection Screens (AREA)
JP1985198336U 1985-12-25 1985-12-25 Expired - Lifetime JPH0529465Y2 (en])

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1985198336U JPH0529465Y2 (en]) 1985-12-25 1985-12-25
US06/943,321 US4824239A (en) 1985-12-25 1986-12-22 Reflection-type overhead projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985198336U JPH0529465Y2 (en]) 1985-12-25 1985-12-25

Publications (2)

Publication Number Publication Date
JPS62169335U JPS62169335U (en]) 1987-10-27
JPH0529465Y2 true JPH0529465Y2 (en]) 1993-07-28

Family

ID=16389417

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985198336U Expired - Lifetime JPH0529465Y2 (en]) 1985-12-25 1985-12-25

Country Status (2)

Country Link
US (1) US4824239A (en])
JP (1) JPH0529465Y2 (en])

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4978218A (en) * 1990-03-01 1990-12-18 Minnesota Mining And Manufacturing Company Folding arm for overhead projector
AU634053B2 (en) * 1990-05-10 1993-02-11 Christopher John Curtis Projector
JP4259571B2 (ja) * 2006-11-22 2009-04-30 船井電機株式会社 プロジェクタ

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1444054A (en) * 1919-03-10 1923-02-06 Benjamin Electric Mfg Co Lamp guard
US1474401A (en) * 1922-03-25 1923-11-20 Matthew F Bramley Lantern cage
US3340765A (en) * 1964-07-27 1967-09-12 Bell Telephone Labor Inc Projection system
JPS4510775Y1 (en]) * 1966-07-08 1970-05-15
US3459475A (en) * 1966-11-14 1969-08-05 James Wortz Lucas Overhead projector
DE2747916C3 (de) * 1977-10-26 1980-12-11 Fa. Ed. Liesegang, 4000 Duesseldorf Schreibprojektor
DE3002105C2 (de) * 1980-01-22 1982-05-19 Lumoprint Zindler Kg (Gmbh & Co), 2000 Hamburg Arbeitsprojektor
JPS59101250U (ja) * 1982-12-24 1984-07-07 キヤビン工業株式会社 オ−バ−ヘツドプロジエクタ−
JPS60163034A (ja) * 1984-02-06 1985-08-24 Fuji Photo Film Co Ltd ランプハウスの安全カバ−装置

Also Published As

Publication number Publication date
JPS62169335U (en]) 1987-10-27
US4824239A (en) 1989-04-25

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