CH534893A - Microfilm evaluation device - Google Patents
Microfilm evaluation deviceInfo
- Publication number
- CH534893A CH534893A CH342171A CH342171A CH534893A CH 534893 A CH534893 A CH 534893A CH 342171 A CH342171 A CH 342171A CH 342171 A CH342171 A CH 342171A CH 534893 A CH534893 A CH 534893A
- Authority
- CH
- Switzerland
- Prior art keywords
- microfilm
- evaluation device
- evaluation
- microfilm evaluation
- Prior art date
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
- G03B21/113—Handling roll films
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection-Type Copiers In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19702012295 DE2012295A1 (en) | 1970-03-14 | 1970-03-14 | Microfilm evaluation device |
Publications (1)
Publication Number | Publication Date |
---|---|
CH534893A true CH534893A (en) | 1973-03-15 |
Family
ID=5765170
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH342171A CH534893A (en) | 1970-03-14 | 1971-03-09 | Microfilm evaluation device |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE764086A (en) |
CH (1) | CH534893A (en) |
DE (1) | DE2012295A1 (en) |
FR (1) | FR2083142A5 (en) |
GB (1) | GB1351248A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2557986B1 (en) * | 1984-01-09 | 1986-06-06 | Lallier Eric | AUTOMATIC FILTER REWINDER FOR OVERHEAD PROJECTOR WITH TIMER |
DE3623293C2 (en) * | 1986-07-10 | 1995-09-07 | Hagen Uwe | Multi-part flat electrode, especially for HF surgery |
US4967094A (en) * | 1989-02-02 | 1990-10-30 | Eastman Kodak Company | Film detection apparatus |
-
1970
- 1970-03-14 DE DE19702012295 patent/DE2012295A1/en active Pending
-
1971
- 1971-03-04 FR FR7107426A patent/FR2083142A5/fr not_active Expired
- 1971-03-09 CH CH342171A patent/CH534893A/en not_active IP Right Cessation
- 1971-03-11 BE BE764086A patent/BE764086A/en unknown
- 1971-04-19 GB GB2405571A patent/GB1351248A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1351248A (en) | 1974-04-24 |
BE764086A (en) | 1971-09-13 |
DE2012295A1 (en) | 1971-10-07 |
FR2083142A5 (en) | 1971-12-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |