DE2228141A1 - Pneumatische lesestation fuer lochkarten - Google Patents

Pneumatische lesestation fuer lochkarten

Info

Publication number
DE2228141A1
DE2228141A1 DE2228141A DE2228141A DE2228141A1 DE 2228141 A1 DE2228141 A1 DE 2228141A1 DE 2228141 A DE2228141 A DE 2228141A DE 2228141 A DE2228141 A DE 2228141A DE 2228141 A1 DE2228141 A1 DE 2228141A1
Authority
DE
Germany
Prior art keywords
openings
card
plate
grooves
contact
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
Application number
DE2228141A
Other languages
German (de)
English (en)
Inventor
Donald Frederick Jensen
Richard Edward Lagergren
Robert Charles Lentz
John Ralph Reidenbach
Minn Rochester
Robert Rudolph Schaffer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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.)
Filing date
Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE2228141A1 publication Critical patent/DE2228141A1/de
Pending legal-status Critical Current

Links

Classifications

    • H10W74/43—
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/02—Methods or arrangements for sensing record carriers, e.g. for reading patterns by pneumatic or hydraulic means, e.g. sensing punched holes with compressed air; by sonic means ; by ultrasonic means
    • H10W20/40—

Landscapes

  • Engineering & Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Push-Button Switches (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Manufacture Of Switches (AREA)
DE2228141A 1971-06-25 1972-06-09 Pneumatische lesestation fuer lochkarten Pending DE2228141A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15672871A 1971-06-25 1971-06-25

Publications (1)

Publication Number Publication Date
DE2228141A1 true DE2228141A1 (de) 1973-01-11

Family

ID=22560824

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2228141A Pending DE2228141A1 (de) 1971-06-25 1972-06-09 Pneumatische lesestation fuer lochkarten

Country Status (6)

Country Link
US (1) US3783243A (cg-RX-API-DMAC10.html)
JP (1) JPS5132387B1 (cg-RX-API-DMAC10.html)
DE (1) DE2228141A1 (cg-RX-API-DMAC10.html)
FR (2) FR2150291B1 (cg-RX-API-DMAC10.html)
GB (1) GB1384096A (cg-RX-API-DMAC10.html)
IT (1) IT950716B (cg-RX-API-DMAC10.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5038165B1 (cg-RX-API-DMAC10.html) * 1970-12-22 1975-12-08
DE3128408A1 (de) * 1981-07-17 1983-02-03 Kaltenbach & Voigt Gmbh & Co, 7950 Biberach Vorrichtung zur umwandlung des druckes eines druckmittels in ein elektrisches signal

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1536202A (fr) * 1967-01-30 1968-08-16 Parisienne D Expansion Chimiqu Palpeur pneumatique
US3485970A (en) * 1968-12-27 1969-12-23 Sperry Rand Corp Pressure operated paper tape reader
US3594522A (en) * 1969-07-24 1971-07-20 Ibm Elastic diaphragm switch
US3571542A (en) * 1969-08-12 1971-03-23 Ibm Fluid logic controlled elastic diaphragm switch matrix with cross point shielding

Also Published As

Publication number Publication date
FR2150291B1 (cg-RX-API-DMAC10.html) 1976-06-11
GB1384096A (en) 1975-02-19
FR2150291A1 (cg-RX-API-DMAC10.html) 1973-04-06
FR2143014B1 (cg-RX-API-DMAC10.html) 1978-03-03
IT950716B (it) 1973-06-20
JPS4815070A (cg-RX-API-DMAC10.html) 1973-02-26
FR2143014A1 (cg-RX-API-DMAC10.html) 1973-02-02
JPS5132387B1 (cg-RX-API-DMAC10.html) 1976-09-11
US3783243A (en) 1974-01-01

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