DE2233272A1 - Tragbares lesegeraet fuer mikrokopiekarten - Google Patents
Tragbares lesegeraet fuer mikrokopiekartenInfo
- Publication number
- DE2233272A1 DE2233272A1 DE19722233272 DE2233272A DE2233272A1 DE 2233272 A1 DE2233272 A1 DE 2233272A1 DE 19722233272 DE19722233272 DE 19722233272 DE 2233272 A DE2233272 A DE 2233272A DE 2233272 A1 DE2233272 A1 DE 2233272A1
- Authority
- DE
- Germany
- Prior art keywords
- housing
- card
- reading device
- lens
- screen
- Prior art date
- 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
- 238000006073 displacement reaction Methods 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 11
- 230000037431 insertion Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000002452 interceptive effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 239000002184 metal Substances 0.000 description 6
- 239000011521 glass Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 3
- 229920002972 Acrylic fiber Polymers 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000386 microscopy Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003779 heat-resistant material Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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 |
|---|---|---|---|
| US16027671A | 1971-07-07 | 1971-07-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2233272A1 true DE2233272A1 (de) | 1973-01-25 |
Family
ID=22576234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722233272 Pending DE2233272A1 (de) | 1971-07-07 | 1972-07-06 | Tragbares lesegeraet fuer mikrokopiekarten |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2233272A1 (enExample) |
| FR (1) | FR2145331A5 (enExample) |
| IT (1) | IT964487B (enExample) |
-
1972
- 1972-07-06 IT IT6917272A patent/IT964487B/it active
- 1972-07-06 DE DE19722233272 patent/DE2233272A1/de active Pending
- 1972-07-07 FR FR7224757A patent/FR2145331A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2145331A5 (enExample) | 1973-02-16 |
| IT964487B (it) | 1974-01-21 |
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