FR825697A - Perfectionnements aux fichiers - Google Patents

Perfectionnements aux fichiers

Info

Publication number: FR825697A
Authority: FR; France
Prior art keywords: file enhancements; enhancements; file
Prior art date: 1936-09-28
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

Application number

Other languages

Inventor

Birger Aagaard

Priority date (The priority date 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 date listed.)

1936-09-28

Filing date

1937-08-17

Publication date

1938-03-10

1937-08-17 Application filed filed Critical

1938-03-10 Application granted granted Critical

1938-03-10 Publication of FR825697A publication Critical patent/FR825697A/fr

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06K21/02—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 mechanically, e.g. by needle

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Theoretical Computer Science (AREA)

FR825697D 1936-09-28 1937-08-17 Perfectionnements aux fichiers Expired FR825697A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NO825697X		1936-09-28

Publications (1)

Publication Number	Publication Date
FR825697A true FR825697A (fr)	1938-03-10

Family

ID=19907221

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR825697D Expired FR825697A (fr)	1936-09-28	1937-08-17	Perfectionnements aux fichiers

Country Status (1)

Country	Link
FR (1)	FR825697A (fr)

1937
- 1937-08-17 FR FR825697D patent/FR825697A/fr not_active Expired

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