CH612517A5 - - Google Patents
Info
- Publication number
- CH612517A5 CH612517A5 CH441177A CH441177A CH612517A5 CH 612517 A5 CH612517 A5 CH 612517A5 CH 441177 A CH441177 A CH 441177A CH 441177 A CH441177 A CH 441177A CH 612517 A5 CH612517 A5 CH 612517A5
- Authority
- CH
- Switzerland
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
- G03B21/111—Projectors with built-in or built-on screen for microfilm reading of roll films
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
- Projection-Type Copiers In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US67565676A | 1976-04-12 | 1976-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH612517A5 true CH612517A5 (en:Method) | 1979-07-31 |
Family
ID=24711450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH441177A CH612517A5 (en:Method) | 1976-04-12 | 1977-04-07 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4123699A (en:Method) |
| CA (1) | CA1072380A (en:Method) |
| CH (1) | CH612517A5 (en:Method) |
| DE (1) | DE2715221C2 (en:Method) |
| GB (1) | GB1518070A (en:Method) |
| IT (1) | IT1079611B (en:Method) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3002844C2 (de) * | 1980-01-26 | 1982-08-26 | Agfa-Gevaert Ag, 5090 Leverkusen | Objetivwechsel-Einrichtung eines Mikrofilmlesegerätes |
| DE3437654A1 (de) * | 1984-10-13 | 1986-04-17 | MAP Mikrofilm Apparatebau Dr. Poehler GmbH & Co KG, 6352 Ober-Mörlen | Verfahren zum projizieren von filmbildern sowie mikrofilm-lesegeraet zu seiner durchfuehrung |
| DE3642159A1 (de) * | 1986-12-10 | 1988-06-23 | Liesegang Fa Ed | Handantrieb fuer mikrofilm-lesegeraet |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2130562A (en) * | 1936-03-11 | 1938-09-20 | Plant Liquidation Corp | Selecting and indicating device |
| US3241440A (en) * | 1963-12-26 | 1966-03-22 | Bausch & Lomb | Illumination system |
| US3809468A (en) * | 1970-12-24 | 1974-05-07 | Microform Data Syst Inc | Film strip reader |
| DE2351580A1 (de) * | 1973-10-13 | 1975-04-17 | Agfa Gevaert Ag | Mikrofilmlesegeraet |
-
1977
- 1977-03-28 CA CA274,911A patent/CA1072380A/en not_active Expired
- 1977-04-05 DE DE2715221A patent/DE2715221C2/de not_active Expired
- 1977-04-07 CH CH441177A patent/CH612517A5/xx not_active IP Right Cessation
- 1977-04-08 IT IT48905/77A patent/IT1079611B/it active
- 1977-04-12 GB GB15007/77A patent/GB1518070A/en not_active Expired
- 1977-09-23 US US05/836,207 patent/US4123699A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE2715221A1 (de) | 1977-10-20 |
| IT1079611B (it) | 1985-05-13 |
| CA1072380A (en) | 1980-02-26 |
| DE2715221C2 (de) | 1986-01-30 |
| GB1518070A (en) | 1978-07-19 |
| US4123699A (en) | 1978-10-31 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |