FR2131496A5 - - Google Patents
Info
- Publication number
- FR2131496A5 FR2131496A5 FR7209795A FR7209795A FR2131496A5 FR 2131496 A5 FR2131496 A5 FR 2131496A5 FR 7209795 A FR7209795 A FR 7209795A FR 7209795 A FR7209795 A FR 7209795A FR 2131496 A5 FR2131496 A5 FR 2131496A5
- 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.)
- Expired
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
- G03B21/10—Projectors with built-in or built-on screen
- G03B21/11—Projectors with built-in or built-on screen for microfilm reading
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
- Overhead Projectors And Projection Screens (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2115205A DE2115205C3 (de) | 1971-03-29 | 1971-03-29 | Einrichtung zum Verstellen der Schärfeebene eines Objektives in einem Mikrofilmlesegerät |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2131496A5 true FR2131496A5 (OSRAM) | 1972-11-10 |
Family
ID=5803142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7209795A Expired FR2131496A5 (OSRAM) | 1971-03-29 | 1972-03-21 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3718391A (OSRAM) |
| BE (1) | BE781361A (OSRAM) |
| CH (1) | CH541818A (OSRAM) |
| DE (1) | DE2115205C3 (OSRAM) |
| FR (1) | FR2131496A5 (OSRAM) |
| GB (1) | GB1387314A (OSRAM) |
| IT (1) | IT952406B (OSRAM) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4260246A (en) | 1978-04-20 | 1981-04-07 | Karl Vockenhuber | Projection device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51104823A (ja) * | 1975-03-12 | 1976-09-17 | Canon Kk | Toeisochi |
| DE2654320A1 (de) * | 1976-07-22 | 1978-06-01 | Agfa Gevaert Ag | Mikrofilmlesegeraet |
-
1971
- 1971-03-29 DE DE2115205A patent/DE2115205C3/de not_active Expired
-
1972
- 1972-03-20 CH CH412372A patent/CH541818A/de not_active IP Right Cessation
- 1972-03-21 FR FR7209795A patent/FR2131496A5/fr not_active Expired
- 1972-03-27 IT IT49254/72A patent/IT952406B/it active
- 1972-03-28 US US00238762A patent/US3718391A/en not_active Expired - Lifetime
- 1972-03-29 BE BE781361A patent/BE781361A/xx unknown
- 1972-03-29 GB GB1484372A patent/GB1387314A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4260246A (en) | 1978-04-20 | 1981-04-07 | Karl Vockenhuber | Projection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CH541818A (de) | 1973-09-15 |
| DE2115205A1 (de) | 1972-10-05 |
| IT952406B (it) | 1973-07-20 |
| DE2115205B2 (de) | 1979-08-09 |
| DE2115205C3 (de) | 1980-04-17 |
| US3718391A (en) | 1973-02-27 |
| BE781361A (fr) | 1972-09-29 |
| GB1387314A (en) | 1975-03-12 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |