NL7312312A - - Google Patents
Info
- Publication number
- NL7312312A NL7312312A NL7312312A NL7312312A NL7312312A NL 7312312 A NL7312312 A NL 7312312A NL 7312312 A NL7312312 A NL 7312312A NL 7312312 A NL7312312 A NL 7312312A NL 7312312 A NL7312312 A NL 7312312A
- Authority
- NL
- Netherlands
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
- G03B21/115—Projectors with built-in or built-on screen for microfilm reading of microfiches
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00286648A US3814514A (en) | 1972-09-06 | 1972-09-06 | Microform projection and viewer apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7312312A true NL7312312A (de) | 1974-03-11 |
Family
ID=23099540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7312312A NL7312312A (de) | 1972-09-06 | 1973-09-06 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3814514A (de) |
| CA (1) | CA990558A (de) |
| NL (1) | NL7312312A (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3941467A (en) * | 1974-10-29 | 1976-03-02 | Kaptron, Inc. | Optical projector/reader |
| US4327974A (en) * | 1978-04-11 | 1982-05-04 | Topper Manufacturing Corporation | Microform viewer |
| US4329045A (en) * | 1980-04-09 | 1982-05-11 | Xerox Corporation | Illumination system for microfilm printer |
| US4358184A (en) * | 1981-02-24 | 1982-11-09 | Topper Manufacturing Corporation | Compact collapsible microform viewer |
| DE3329003A1 (de) * | 1983-08-11 | 1985-02-28 | MAP Mikrofilm Apparatebau Dr. Poehler GmbH & Co KG, 6352 Ober-Mörlen | Vorrichtung zum fokussieren eines objektivs |
| EP0154195A3 (de) * | 1984-02-10 | 1986-04-30 | Fuji Photo Film Co., Ltd. | Mikrofilmlesegerät |
| EP0939333A4 (de) * | 1996-10-31 | 2003-05-14 | Sanyo Electric Co | Rückprojektionsanzeigevorrichtung |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR996137A (fr) * | 1949-08-10 | 1951-12-13 | Nouveau lecteur de bureau pour microfiches et microfilms | |
| US2847902A (en) * | 1954-12-03 | 1958-08-19 | Ferrania Spa | Portable projection apparatus for diapositives and microfilms |
| US3520599A (en) * | 1968-03-25 | 1970-07-14 | Eugene Martinez | Projector film advance mechanism |
| US3667839A (en) * | 1970-05-04 | 1972-06-06 | Stromberg Datagraphix Inc | Microfiche viewer |
| US3700321A (en) * | 1970-11-18 | 1972-10-24 | Micro 8 Co | Microfilm viewer |
-
1972
- 1972-09-06 US US00286648A patent/US3814514A/en not_active Expired - Lifetime
-
1973
- 1973-05-24 CA CA172,182A patent/CA990558A/en not_active Expired
- 1973-09-06 NL NL7312312A patent/NL7312312A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CA990558A (en) | 1976-06-08 |
| US3814514A (en) | 1974-06-04 |