BR8707960A - Aparelho projetor - Google Patents
Aparelho projetorInfo
- Publication number
- BR8707960A BR8707960A BR8707960A BR8707960A BR8707960A BR 8707960 A BR8707960 A BR 8707960A BR 8707960 A BR8707960 A BR 8707960A BR 8707960 A BR8707960 A BR 8707960A BR 8707960 A BR8707960 A BR 8707960A
- Authority
- BR
- Brazil
- Prior art keywords
- projector
- appliance
- projector appliance
- Prior art date
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
-
- 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)
- Optical Elements Other Than Lenses (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8700245A SE8700245D0 (sv) | 1987-01-22 | 1987-01-22 | Projektionsanordning |
SE8701304A SE457022B (sv) | 1987-01-22 | 1987-03-30 | Projektionsanordning innefattande ett objekthuvud, ett mellan ljuskaellor och objektivhuvud belaeget objektfoenster, och ett antal ellipsoidspeglar |
PCT/SE1987/000562 WO1988005557A1 (en) | 1987-01-22 | 1987-11-27 | Projector apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8707960A true BR8707960A (pt) | 1990-02-13 |
Family
ID=26659668
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8707960A BR8707960A (pt) | 1987-01-22 | 1987-11-27 | Aparelho projetor |
Country Status (7)
Country | Link |
---|---|
US (1) | US4838686A (pt) |
EP (1) | EP0277469A3 (pt) |
AU (1) | AU1157688A (pt) |
BR (1) | BR8707960A (pt) |
DE (1) | DE277469T1 (pt) |
WO (1) | WO1988005557A1 (pt) |
YU (1) | YU227387A (pt) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3828562A1 (de) * | 1988-08-23 | 1990-03-08 | Grunwald Projektoren Ag | Durchlichtprojektor |
EP0730194A1 (en) * | 1995-03-02 | 1996-09-04 | Agfa-Gevaert N.V. | A photographic exposure device |
US5795049A (en) * | 1996-08-27 | 1998-08-18 | In Focus Systems, Inc. | Image projection system |
JPH1073884A (ja) * | 1996-08-30 | 1998-03-17 | Minolta Co Ltd | オーバーヘッドプロジェクタ装置 |
DE10016381A1 (de) * | 2000-03-29 | 2001-10-04 | Franc Godler | Overhead-Projektor mit Flächenlichtquelle |
US20060022895A1 (en) * | 2004-07-28 | 2006-02-02 | Williams David A | Remote control unit with memory interface |
DE202006015526U1 (de) * | 2006-10-10 | 2006-12-14 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | Projektionsvorrichtung mit Filter |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB525350A (en) * | 1938-02-21 | 1940-08-27 | Philips Nv | Improvements in illuminating devices |
DE1153915B (de) * | 1961-04-26 | 1963-09-05 | Leitz Ernst Gmbh | Schreibprojektor |
FR1364060A (fr) * | 1963-05-07 | 1964-06-19 | Perfectionnements aux appareils projecteurs d'images | |
US3547530A (en) * | 1968-11-12 | 1970-12-15 | Bell Telephone Labor Inc | Overhead projector |
DE6913928U (de) * | 1969-04-05 | 1969-10-09 | Agfa-Gevaert Ag | Projektor, insbesondere overheadprojektor |
US3770344A (en) * | 1969-05-20 | 1973-11-06 | Ricoh Kk | Light source system for overhead projectors |
JPS51933Y1 (pt) * | 1969-06-17 | 1976-01-12 | ||
CH607652A5 (en) * | 1976-11-17 | 1978-09-29 | T & C Training & Communication | Illuminating system for overhead projectors |
JPS5557840A (en) * | 1978-10-24 | 1980-04-30 | Gakken Co Ltd | Overhead projector capable of projecting on vertical plane |
US4436392A (en) * | 1983-01-03 | 1984-03-13 | Minnesota Mining And Manufacturing Company | Distortion correction for an overhead projector system |
JPS59192236A (ja) * | 1983-04-15 | 1984-10-31 | Nec Corp | 投影装置 |
JPS60935A (ja) * | 1983-06-17 | 1985-01-07 | Brother Ind Ltd | 電磁誘導加工機 |
DE3413995A1 (de) * | 1984-04-13 | 1985-10-17 | Demolux Gmbh & Co Kg, 6070 Langen | Overhead-projektor |
DE3443356A1 (de) * | 1984-11-28 | 1986-05-28 | Demolux Gmbh & Co Kg, 6070 Langen | Overhead-projektor |
-
1987
- 1987-11-27 AU AU11576/88A patent/AU1157688A/en not_active Abandoned
- 1987-11-27 WO PCT/SE1987/000562 patent/WO1988005557A1/en unknown
- 1987-11-27 BR BR8707960A patent/BR8707960A/pt unknown
- 1987-11-27 EP EP87850372A patent/EP0277469A3/en not_active Ceased
- 1987-11-27 DE DE198787850372T patent/DE277469T1/de active Pending
- 1987-12-02 US US07/127,632 patent/US4838686A/en not_active Expired - Fee Related
- 1987-12-15 YU YU02273/87A patent/YU227387A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
WO1988005557A1 (en) | 1988-07-28 |
YU227387A (en) | 1990-06-30 |
EP0277469A3 (en) | 1988-10-12 |
US4838686A (en) | 1989-06-13 |
DE277469T1 (de) | 1988-11-24 |
AU1157688A (en) | 1988-08-10 |
EP0277469A2 (en) | 1988-08-10 |
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