NL7312506A - - Google Patents
Info
- Publication number
- NL7312506A NL7312506A NL7312506A NL7312506A NL7312506A NL 7312506 A NL7312506 A NL 7312506A NL 7312506 A NL7312506 A NL 7312506A NL 7312506 A NL7312506 A NL 7312506A NL 7312506 A NL7312506 A NL 7312506A
- Authority
- NL
- Netherlands
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
-
- 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
- G03B21/08—Projectors or projection-type viewers; Accessories therefor affording epidiascopic projection
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Transforming Electric Information Into Light Information (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE11778/72A SE366842B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-09-12 | 1972-09-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NL7312506A true NL7312506A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-03-14 |
| NL155662B NL155662B (nl) | 1978-01-16 |
Family
ID=20294608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7312506.A NL155662B (nl) | 1972-09-12 | 1973-09-11 | Projectorstelsel. |
Country Status (15)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4177484A (en) * | 1977-05-16 | 1979-12-04 | Agar International Ltd. | Large screen television |
| EP0104465B1 (de) * | 1982-09-02 | 1986-11-05 | Demolux GmbH & Co.KG. | Overhead-Projektor |
| GB2256498B (en) * | 1991-05-10 | 1994-08-03 | Simon John Richards | Projector apparatus for projecting overhead projector transparencies and slides |
| ES2154945B1 (es) * | 1995-06-08 | 2001-11-01 | Soriano Salvador Puig | Perfeccionamientos en maquinas para colocar ojetes en pieles y similares. |
| WO1997046995A1 (en) * | 1996-06-07 | 1997-12-11 | Haworth, Inc. | Table with internal projection system |
| US5826962A (en) * | 1997-04-30 | 1998-10-27 | Minnesota Mining And Manufacturing Company | LCD integrated/overhead projector |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1341665A (en) * | 1916-10-31 | 1920-06-01 | Spencer Lens Co | Projection apparatus |
| US1870702A (en) * | 1931-04-13 | 1932-08-09 | Rca Corp | Television apparatus |
| US2332691A (en) * | 1940-10-22 | 1943-10-26 | Spencer Lens Co | Projection apparatus |
| US2414977A (en) * | 1943-10-07 | 1947-01-28 | Reid And Sigrist Ltd | Optical projection apparatus |
| US2482031A (en) * | 1944-07-21 | 1949-09-13 | Joseph K Rose | Image display apparatus and cabinet having adjustable light shields |
| US2608126A (en) * | 1950-03-21 | 1952-08-26 | Oestreicher Leonard | Apparatus for projecting strip films and related cabinet structures |
| US3535030A (en) * | 1967-09-18 | 1970-10-20 | Doban Labs Inc | Display device |
| US3535033A (en) * | 1968-01-11 | 1970-10-20 | Edwin Busch | Multiple unit projection system |
| GB1280977A (en) * | 1970-04-15 | 1972-07-12 | Charles Frank Ltd | Optical projection device |
-
1972
- 1972-09-12 SE SE11778/72A patent/SE366842B/xx unknown
-
1973
- 1973-09-05 GB GB4168673A patent/GB1443464A/en not_active Expired
- 1973-09-06 ZA ZA00737129A patent/ZA737129B/xx unknown
- 1973-09-07 US US395134A patent/US3922079A/en not_active Expired - Lifetime
- 1973-09-07 BE BE135428A patent/BE804590A/xx unknown
- 1973-09-10 IL IL43187A patent/IL43187A/en unknown
- 1973-09-11 ES ES418656A patent/ES418656A1/es not_active Expired
- 1973-09-11 NO NO3544/73A patent/NO137737C/no unknown
- 1973-09-11 NL NL7312506.A patent/NL155662B/xx unknown
- 1973-09-11 CA CA180,800A patent/CA1001869A/en not_active Expired
- 1973-09-11 FR FR7332678A patent/FR2199414A6/fr not_active Expired
- 1973-09-12 CH CH1308573A patent/CH559920A5/xx not_active IP Right Cessation
- 1973-09-12 AT AT790573A patent/AT342890B/de not_active IP Right Cessation
- 1973-09-12 JP JP48102234A patent/JPS4994329A/ja active Pending
- 1973-09-12 IT IT28849/73A patent/IT995343B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| CA1001869A (en) | 1976-12-21 |
| US3922079A (en) | 1975-11-25 |
| AT342890B (de) | 1978-04-25 |
| DE2345818A1 (de) | 1974-03-28 |
| NO137737C (no) | 1978-04-19 |
| GB1443464A (en) | 1976-07-21 |
| JPS4994329A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-09-07 |
| IT995343B (it) | 1975-11-10 |
| AU6018873A (en) | 1975-03-13 |
| IL43187A0 (en) | 1973-11-28 |
| FR2199414A6 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-04-05 |
| ATA790573A (de) | 1977-08-15 |
| IL43187A (en) | 1976-09-30 |
| ZA737129B (en) | 1975-04-30 |
| DE2345818B2 (de) | 1977-06-02 |
| SE366842B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-05-06 |
| NL155662B (nl) | 1978-01-16 |
| ES418656A1 (es) | 1976-02-16 |
| NO137737B (no) | 1978-01-02 |
| BE804590A (fr) | 1974-03-07 |
| CH559920A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-03-14 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| VJC | Lapsed due to non-payment of the due maintenance fee for the patent or patent application | ||
| NL80 | Information provided on patent owner name for an already discontinued patent |
Owner name: LINDACO |