FR49600E - - Google Patents
Info
- Publication number
- FR49600E FR49600E FR49600DA FR49600E FR 49600 E FR49600 E FR 49600E FR 49600D A FR49600D A FR 49600DA FR 49600 E FR49600 E FR 49600E
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K21/00—Information retrieval from punched cards designed for manual use or handling by machine; Apparatus for handling such cards, e.g. marking or correcting
- G06K21/04—Information retrieval from punched cards designed for manual use or handling by machine; Apparatus for handling such cards, e.g. marking or correcting in which coincidence of markings is sensed optically, e.g. peek-a-boo system
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR49600E true FR49600E (pt) | 1939-05-11 |
Family
ID=1363231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR49600D Expired FR49600E (pt) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR49600E (pt) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2483035A (en) * | 1944-12-09 | 1949-09-27 | Cloyd E Burns | Card record system |
| US2588286A (en) * | 1942-01-07 | 1952-03-04 | Sortex A G | Card index |
-
0
- FR FR49600D patent/FR49600E/fr not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2588286A (en) * | 1942-01-07 | 1952-03-04 | Sortex A G | Card index |
| US2483035A (en) * | 1944-12-09 | 1949-09-27 | Cloyd E Burns | Card record system |