SE311768B - - Google Patents
Info
- Publication number
- SE311768B SE311768B SE12478/65A SE1247865A SE311768B SE 311768 B SE311768 B SE 311768B SE 12478/65 A SE12478/65 A SE 12478/65A SE 1247865 A SE1247865 A SE 1247865A SE 311768 B SE311768 B SE 311768B
- Authority
- SE
- Sweden
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
-
- 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
- Y10S353/04—Opaque
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US399651A US3293982A (en) | 1964-09-28 | 1964-09-28 | Overhead projector with an unsymmetrical reflective supporting stage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE311768B true SE311768B (es) | 1969-06-23 |
Family
ID=23580395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE12478/65A SE311768B (es) | 1964-09-28 | 1965-09-27 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US3293982A (es) |
| AT (1) | AT279207B (es) |
| BE (1) | BE670154A (es) |
| BR (1) | BR6573548D0 (es) |
| CH (1) | CH457901A (es) |
| DE (1) | DE1472179C2 (es) |
| DK (1) | DK116398B (es) |
| ES (1) | ES317843A1 (es) |
| GB (1) | GB1122217A (es) |
| NL (1) | NL6512484A (es) |
| NO (1) | NO121919B (es) |
| SE (1) | SE311768B (es) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3459475A (en) * | 1966-11-14 | 1969-08-05 | James Wortz Lucas | Overhead projector |
| US3525566A (en) * | 1968-07-24 | 1970-08-25 | Gerald Altman | Projection devices and graphic materials therefor |
| JPS51933Y1 (es) * | 1969-06-17 | 1976-01-12 | ||
| GB1273501A (en) * | 1970-01-23 | 1972-05-10 | Combined Optical Ind Ltd | Improvements in and relating to mirrors |
| GB1297107A (es) * | 1970-01-23 | 1972-11-22 | ||
| GB1300540A (en) * | 1970-06-02 | 1972-12-20 | Combined Optical Ind Ltd | Vehicle rear-view mirrors |
| US3908056A (en) * | 1973-09-10 | 1975-09-23 | Minnesota Mining & Mfg | Optically decorative web |
| DE2507515C2 (de) * | 1975-02-21 | 1983-03-24 | Demolux Gmbh & Co Kg, 6070 Langen | Schreibprojektor |
| DE2747916C3 (de) * | 1977-10-26 | 1980-12-11 | Fa. Ed. Liesegang, 4000 Duesseldorf | Schreibprojektor |
| US4492442A (en) * | 1979-10-04 | 1985-01-08 | Gaudyn Tad J | Three dimensional projection arrangement |
| JPS5879731U (ja) * | 1981-11-26 | 1983-05-30 | ソニー株式会社 | リアプロジエクタ装置 |
| DE3233257A1 (de) * | 1982-09-08 | 1984-03-08 | Demolux Gmbh & Co Kg, 6070 Langen | Overhead-projektor |
| DE3711542A1 (de) * | 1987-04-06 | 1988-11-10 | Demolux | Overhead-projektor |
| US5255029A (en) * | 1987-04-30 | 1993-10-19 | Nview Corporation | Liquid crystal display for projection systems |
| US5227821A (en) * | 1987-04-30 | 1993-07-13 | Nview Corporation | Liquid crystal display for projection systems |
| US4775232A (en) * | 1987-07-10 | 1988-10-04 | Spectra, Inc. | Catadioptric projection lantern |
| CA1327468C (en) * | 1988-09-12 | 1994-03-08 | Dennis F. Vanderwerf | First surface fresnel reflector for liquid crystal display |
| US4943156A (en) * | 1988-09-12 | 1990-07-24 | Minnesota Mining And Manufacturing Company | Off axis fresnel reflector for liquid crystal display |
| US4953971A (en) * | 1988-10-17 | 1990-09-04 | Highfill Robert R | Interactive image projection apparatus |
| US4986651A (en) * | 1989-08-04 | 1991-01-22 | Minnesota Mining And Manufacturing Company | Overhead projector with centerless Fresnel lens reflective stage |
| US5135301A (en) * | 1991-01-22 | 1992-08-04 | Minnesota Mining And Manufacturing Company | Reflective overhead projector with alternate light sources |
| JPH0559448U (ja) * | 1992-01-14 | 1993-08-06 | 松原電機工業株式会社 | ディスプレイ装置 |
| JP3655972B2 (ja) * | 1996-08-16 | 2005-06-02 | 大日本印刷株式会社 | 反射型スクリーン及び前方投影システム |
| JP4675746B2 (ja) * | 2005-10-26 | 2011-04-27 | 株式会社デンソー | 計器用文字盤 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2407680A (en) * | 1945-03-02 | 1946-09-17 | Minnesota Mining & Mfg | Reflex light reflector |
| US2588373A (en) * | 1947-10-08 | 1952-03-11 | Richard T Erban | Kinoptic device |
| US2495320A (en) * | 1948-03-27 | 1950-01-24 | Holophane Co Inc | Luminaire for surgical lighting |
| US2647437A (en) * | 1949-05-17 | 1953-08-04 | Instr Dev Lab Inc | Picture unit for stereopticons |
| US2986062A (en) * | 1956-09-25 | 1961-05-30 | Toledo Scale Corp | Weighing scale |
| US2914997A (en) * | 1956-10-03 | 1959-12-01 | Polaroid Corp | Combined range and view finder for cameras |
| US3051041A (en) * | 1959-05-25 | 1962-08-28 | Xerox Corp | Image projection |
| DE1153915B (de) * | 1961-04-26 | 1963-09-05 | Leitz Ernst Gmbh | Schreibprojektor |
| US3203306A (en) * | 1961-09-25 | 1965-08-31 | Lefferts Peter | Optical ray concentrator |
| USB322986I5 (es) * | 1963-01-04 |
-
1964
- 1964-09-28 US US399651A patent/US3293982A/en not_active Expired - Lifetime
-
1965
- 1965-09-08 GB GB38421/65A patent/GB1122217A/en not_active Expired
- 1965-09-16 NO NO159723A patent/NO121919B/no unknown
- 1965-09-21 DE DE1472179A patent/DE1472179C2/de not_active Expired
- 1965-09-27 BE BE670154D patent/BE670154A/xx not_active IP Right Cessation
- 1965-09-27 SE SE12478/65A patent/SE311768B/xx unknown
- 1965-09-27 DK DK496765AA patent/DK116398B/da unknown
- 1965-09-27 NL NL6512484A patent/NL6512484A/xx unknown
- 1965-09-28 CH CH1336465A patent/CH457901A/de unknown
- 1965-09-28 AT AT881065A patent/AT279207B/de not_active IP Right Cessation
- 1965-09-28 BR BR173548/65A patent/BR6573548D0/pt unknown
-
1966
- 1966-09-27 ES ES0317843A patent/ES317843A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DK116398B (da) | 1970-01-05 |
| AT279207B (de) | 1970-02-25 |
| BR6573548D0 (pt) | 1973-09-11 |
| DE1472179C2 (de) | 1975-09-18 |
| BE670154A (es) | 1966-03-28 |
| ES317843A1 (es) | 1967-03-01 |
| DE1472179B1 (de) | 1975-02-13 |
| CH457901A (de) | 1968-06-15 |
| US3293982A (en) | 1966-12-27 |
| NO121919B (es) | 1971-04-26 |
| GB1122217A (en) | 1968-07-31 |
| NL6512484A (es) | 1966-03-29 |