DE69506399T2 - Schwenkbarer projektionskopf für einen overheadprojektor - Google Patents

Schwenkbarer projektionskopf für einen overheadprojektor

Info

Publication number: DE69506399T2
Authority: DE; Germany
Prior art keywords: overhead projector; projection head; swiveling; swiveling projection; head
Prior art date: 1994-05-13
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

DE69506399T

Other languages

English (en)

Other versions

DE69506399D1 (de

Inventor

Ernesto Rodriguez

Ronald Bender

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.)

3M Co

Original Assignee

Minnesota Mining and Manufacturing Co

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.)

1994-05-13

Filing date

1995-03-15

Publication date

1999-08-26

1995-03-15 Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co

1999-01-14 Publication of DE69506399D1 publication Critical patent/DE69506399D1/de

1999-08-26 Application granted granted Critical

1999-08-26 Publication of DE69506399T2 publication Critical patent/DE69506399T2/de

2015-03-16 Anticipated expiration legal-status Critical

Status 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
- G03B21/14—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

DE69506399T 1994-05-13 1995-03-15 Schwenkbarer projektionskopf für einen overheadprojektor Expired - Fee Related DE69506399T2 (de)

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 (2)

Publication Number	Publication Date
DE69506399D1 DE69506399D1 (de)	1999-01-14
DE69506399T2 true DE69506399T2 (de)	1999-08-26

Family

ID=22914209

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69506399T Expired - Fee Related DE69506399T2 (de)	1994-05-13	1995-03-15	Schwenkbarer projektionskopf für einen overheadprojektor

Country Status (8)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
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
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 (de) *	1972-01-07	1980-11-20
JPS5658647U (de) *	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

1994
- 1994-05-13 US US08/242,291 patent/US5382991A/en not_active Expired - Lifetime
1995
- 1995-03-15 JP JP7529624A patent/JPH10500228A/ja active Pending
- 1995-03-15 DE DE69506399T patent/DE69506399T2/de not_active Expired - Fee Related
- 1995-03-15 WO PCT/US1995/003297 patent/WO1995031749A1/en active IP Right Grant
- 1995-03-15 EP EP95913729A patent/EP0759183B1/de not_active Expired - Lifetime
- 1995-03-15 CN CN95192945A patent/CN1147861A/zh active Pending
- 1995-03-15 ES ES95913729T patent/ES2124540T3/es not_active Expired - Lifetime
1996
- 1996-10-28 KR KR1019960706053A patent/KR970703003A/ko not_active Application Discontinuation

Also Published As

Publication number	Publication date
JPH10500228A (ja)	1998-01-06
ES2124540T3 (es)	1999-02-01
KR970703003A (ko)	1997-06-10
US5382991A (en)	1995-01-17
CN1147861A (zh)	1997-04-16
WO1995031749A1 (en)	1995-11-23
EP0759183A1 (de)	1997-02-26
DE69506399D1 (de)	1999-01-14
EP0759183B1 (de)	1998-12-02

Legal Events

Date	Code	Title	Description
1999-12-30	8364	No opposition during term of opposition
2007-01-18	8339	Ceased/non-payment of the annual fee

Publication	Publication Date	Title
KR970700876A (ko)	1997-02-12	영사기(projector)
DE69516802T2 (de)	2000-12-07	Beleuchtungsystem für farbbildprojektion
DE59710318D1 (de)	2003-07-24	Bildschirm für laseraufprojektion
DE69528108D1 (de)	2002-10-17	System für optischen Kopf
DE69530162D1 (de)	2003-05-08	Projektionsobjektiv
FR2709569B1 (fr)	1996-08-02	Rétroprojecteur.
DE69506399T2 (de)	1999-08-26	Schwenkbarer projektionskopf für einen overheadprojektor
DE69324496T2 (de)	1999-10-28	Fokussierarmverstelleinrichtung für einen overheadprojektor
DE69406654T2 (de)	1998-06-18	Kondensor für Overheadprojektoren
DE59703204D1 (de)	2001-05-03	Diarahmen für Grossbildprojektion
DE9419254U1 (de)	1995-02-02	Diaprojektor
DE9404040U1 (de)	1994-07-21	Lampenaustauschvorrichtung für Overheadprojektoren
DE9408217U1 (de)	1994-09-01	Mobiler Großbild-Hellraumprojektor
DE9405296U1 (de)	1994-08-04	Arretiermechanismus für einen Overhead-Projektorarm
DE69700980T2 (de)	2000-05-04	Magnetkopf für magnetische Anzeige
KR970045343U (ko)	1997-07-31	오버 헤드 프로젝터용 보조 영사기기
DE9410758U1 (de)	1994-09-22	Overhead-Projektor
DE9415100U1 (de)	1994-12-22	Overhead-Projektor
DE9404793U1 (de)	1994-08-25	Overheadprojektor
DE29604452U1 (de)	1996-04-18	Overheadprojektor mit verschwenkbarem Projektionsarm
DE9406504U1 (de)	1995-08-17	Lüftungsanordnung für Projektoren
KR960026174U (ko)	1996-07-22	배면 투사형 프로젝터
KR970059484U (ko)	1997-11-10	오버헤드 프로젝터
KR970059485U (ko)	1997-11-10	오버헤드 프로젝터
KR960000724U (ko)	1996-01-17	회전가능한 투사경이 구비된 투사물 투영기