KR970703003A - 오버헤드 프로젝터용 선회 영사 헤드(pivotng projetion head for overhead projector) - Google Patents

오버헤드 프로젝터용 선회 영사 헤드(pivotng projetion head for overhead projector)

Info

Publication number
KR970703003A
KR970703003A KR1019960706053A KR19960706053A KR970703003A KR 970703003 A KR970703003 A KR 970703003A KR 1019960706053 A KR1019960706053 A KR 1019960706053A KR 19960706053 A KR19960706053 A KR 19960706053A KR 970703003 A KR970703003 A KR 970703003A
Authority
KR
South Korea
Prior art keywords
head
overhead
pivotng
projetion
projectors
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.)
Ceased
Application number
KR1019960706053A
Other languages
English (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
Publication of KR970703003A publication Critical patent/KR970703003A/ko
Ceased 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
    • G03B21/14—Details
    • G03B21/30—Details adapted to collapse or fold, e.g. for portability
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S353/00—Optics: image projectors
    • Y10S353/03—Transparent

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
KR1019960706053A 1994-05-13 1996-10-28 오버헤드 프로젝터용 선회 영사 헤드(pivotng projetion head for overhead projector) Ceased KR970703003A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/242,291 US5382991A (en) 1994-05-13 1994-05-13 Pivoting projection head for overhead projector
PCT/US1995/003297 WO1995031749A1 (en) 1994-05-13 1995-03-15 Pivoting projection head for overhead projector

Publications (1)

Publication Number Publication Date
KR970703003A true KR970703003A (ko) 1997-06-10

Family

ID=22914209

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960706053A Ceased KR970703003A (ko) 1994-05-13 1996-10-28 오버헤드 프로젝터용 선회 영사 헤드(pivotng projetion head for overhead projector)

Country Status (8)

Country Link
US (1) US5382991A (ko)
EP (1) EP0759183B1 (ko)
JP (1) JPH10500228A (ko)
KR (1) KR970703003A (ko)
CN (1) CN1147861A (ko)
DE (1) DE69506399T2 (ko)
ES (1) ES2124540T3 (ko)
WO (1) WO1995031749A1 (ko)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD365836S (en) 1993-12-17 1996-01-02 Elmo Co., Ltd. Overhead projector
USD367073S (en) 1995-05-23 1996-02-13 Primax Electronics, Ltd. Overhead projector
USD419582S (en) * 1998-02-04 2000-01-25 Sony Corporation Collapsible overhead projector
JP3380853B2 (ja) * 1999-02-18 2003-02-24 株式会社エルモ社 アンダーミラー式オーバーヘッドプロジェクタ
JP3580170B2 (ja) * 1999-03-29 2004-10-20 セイコーエプソン株式会社 投写型表示装置
JP3744332B2 (ja) * 2000-09-27 2006-02-08 セイコーエプソン株式会社 ハンドルの取付構造およびプロジェクタ
US6595646B2 (en) * 2001-03-19 2003-07-22 3M Innovative Properties Company Low profile overhead projector having a foldable post
CA100928S (en) 2002-06-11 2004-02-09 Toshiba A T A Toshiba Corp Kk Liquid crystal projector
USD498782S1 (en) 2003-05-26 2004-11-23 Kabushiki Kaisha Toshiba Camera for liquid crystal projector
CN108510809A (zh) * 2018-05-17 2018-09-07 佛山拾念科技有限公司 一种历史课程教学用的一体投影机器人

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5545887B2 (ko) * 1972-01-07 1980-11-20
JPS5658647U (ko) * 1979-10-11 1981-05-20
JPH079530B2 (ja) * 1985-07-31 1995-02-01 株式会社リコー オ−バ−ヘツドプロジエクタ−
JPS63198028A (ja) * 1987-02-13 1988-08-16 Minolta Camera Co Ltd オ−バヘツドプロジエクタ
US4969733A (en) * 1989-10-02 1990-11-13 Dukane Corporation Foldable portable overhead projector
DE4111818A1 (de) * 1991-04-11 1992-11-12 Geha Werke Gmbh Klapparm fuer den projektionskopf eines arbeitsprojektors

Also Published As

Publication number Publication date
DE69506399D1 (de) 1999-01-14
JPH10500228A (ja) 1998-01-06
EP0759183A1 (en) 1997-02-26
DE69506399T2 (de) 1999-08-26
CN1147861A (zh) 1997-04-16
US5382991A (en) 1995-01-17
EP0759183B1 (en) 1998-12-02
ES2124540T3 (es) 1999-02-01
WO1995031749A1 (en) 1995-11-23

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Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 19961028

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20000302

Comment text: Request for Examination of Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20020130

Patent event code: PE09021S01D

E601 Decision to refuse application
PE0601 Decision on rejection of patent

Patent event date: 20020807

Comment text: Decision to Refuse Application

Patent event code: PE06012S01D

Patent event date: 20020130

Comment text: Notification of reason for refusal

Patent event code: PE06011S01I