FR2017354A1 - - Google Patents
Info
- Publication number
- FR2017354A1 FR2017354A1 FR6930015A FR6930015A FR2017354A1 FR 2017354 A1 FR2017354 A1 FR 2017354A1 FR 6930015 A FR6930015 A FR 6930015A FR 6930015 A FR6930015 A FR 6930015A FR 2017354 A1 FR2017354 A1 FR 2017354A1
- Authority
- FR
- France
- 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.)
- Withdrawn
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
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Optical Elements Other Than Lenses (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6348668 | 1968-09-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2017354A1 true FR2017354A1 (enExample) | 1970-05-22 |
Family
ID=13230607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR6930015A Withdrawn FR2017354A1 (enExample) | 1968-09-04 | 1969-09-03 |
Country Status (4)
| Country | Link |
|---|---|
| CA (1) | CA918973A (enExample) |
| DE (1) | DE1944364A1 (enExample) |
| FR (1) | FR2017354A1 (enExample) |
| GB (1) | GB1287943A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2383460A1 (fr) * | 1977-03-10 | 1978-10-06 | Canon Kk | Visionneuse |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50107958A (enExample) * | 1974-01-31 | 1975-08-25 | ||
| DE19506547C2 (de) * | 1994-08-01 | 1997-01-30 | Siemens Ag | Ganzbereichs-Stromrichtersicherung |
-
1969
- 1969-09-01 DE DE19691944364 patent/DE1944364A1/de active Pending
- 1969-09-03 CA CA060981A patent/CA918973A/en not_active Expired
- 1969-09-03 FR FR6930015A patent/FR2017354A1/fr not_active Withdrawn
- 1969-09-03 GB GB4356669A patent/GB1287943A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2383460A1 (fr) * | 1977-03-10 | 1978-10-06 | Canon Kk | Visionneuse |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1287943A (enExample) | 1972-09-06 |
| CA918973A (en) | 1973-01-16 |
| DE1944364A1 (de) | 1970-03-19 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |