JPS57500574A - - Google Patents
Info
- Publication number
- JPS57500574A JPS57500574A JP50159581A JP50159581A JPS57500574A JP S57500574 A JPS57500574 A JP S57500574A JP 50159581 A JP50159581 A JP 50159581A JP 50159581 A JP50159581 A JP 50159581A JP S57500574 A JPS57500574 A JP S57500574A
- Authority
- JP
- Japan
- 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.)
- Pending
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
-
- 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
- G03B21/115—Projectors with built-in or built-on screen for microfilm reading of microfiches
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 |
|---|---|---|---|
| US14145680A | 1980-04-18 | 1980-04-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57500574A true JPS57500574A (de) | 1982-04-01 |
Family
ID=22495775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50159581A Pending JPS57500574A (de) | 1980-04-18 | 1981-04-17 |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0050155A4 (de) |
| JP (1) | JPS57500574A (de) |
| WO (1) | WO1981003075A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5020900A (en) * | 1988-11-07 | 1991-06-04 | Canon Kabushiki Kaisha | Film feeding apparatus |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2130562A (en) * | 1936-03-11 | 1938-09-20 | Plant Liquidation Corp | Selecting and indicating device |
| US2481850A (en) * | 1946-12-05 | 1949-09-13 | Edmund F Lindner | Microfilm projection viewer having manual lens adjusting and film moving means |
| DE1217094B (de) * | 1965-06-01 | 1966-05-18 | Dual Gebrueder Steidinger | Antriebseinrichtung fuer Magnettongeraet mit umspulbarem Aufzeichnungstraeger |
| US3741645A (en) * | 1971-11-04 | 1973-06-26 | George Lithograph Co | Photo-electronic film transport |
| US4126387A (en) * | 1976-12-27 | 1978-11-21 | Broome Barry G | Microform reader |
-
1981
- 1981-04-17 EP EP19810901254 patent/EP0050155A4/de not_active Withdrawn
- 1981-04-17 JP JP50159581A patent/JPS57500574A/ja active Pending
- 1981-04-17 WO PCT/US1981/000525 patent/WO1981003075A1/en not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| WO1981003075A1 (en) | 1981-10-29 |
| EP0050155A4 (de) | 1982-07-19 |
| EP0050155A1 (de) | 1982-04-28 |