FR1117418A - Punch card file and device for card selection - Google Patents
Punch card file and device for card selectionInfo
- Publication number
- FR1117418A FR1117418A FR1117418DA FR1117418A FR 1117418 A FR1117418 A FR 1117418A FR 1117418D A FR1117418D A FR 1117418DA FR 1117418 A FR1117418 A FR 1117418A
- Authority
- FR
- France
- Prior art keywords
- card
- punch
- file
- selection
- card selection
- 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.)
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1117418X | 1953-10-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1117418A true FR1117418A (en) | 1956-05-23 |
Family
ID=4558447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1117418D Expired FR1117418A (en) | 1953-10-27 | 1954-10-26 | Punch card file and device for card selection |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1117418A (en) |
-
1954
- 1954-10-26 FR FR1117418D patent/FR1117418A/en not_active Expired
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