AT270273B - Abfühlvorrichtung für gelochte Datenträger - Google Patents

Abfühlvorrichtung für gelochte Datenträger

Info

Publication number
AT270273B
AT270273B AT845967A AT845967A AT270273B AT 270273 B AT270273 B AT 270273B AT 845967 A AT845967 A AT 845967A AT 845967 A AT845967 A AT 845967A AT 270273 B AT270273 B AT 270273B
Authority
AT
Austria
Prior art keywords
sensing device
data carriers
perforated data
perforated
carriers
Prior art date
Application number
AT845967A
Other languages
English (en)
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Application granted granted Critical
Publication of AT270273B publication Critical patent/AT270273B/de

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current 
    • G05F1/46—Regulating voltage or current  wherein the variable actually regulated by the final control device is DC
    • G05F1/613—Regulating voltage or current  wherein the variable actually regulated by the final control device is DC using semiconductor devices in parallel with the load as final control devices
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current 
    • G05F1/46—Regulating voltage or current  wherein the variable actually regulated by the final control device is DC
    • G05F1/56—Regulating voltage or current  wherein the variable actually regulated by the final control device is DC using semiconductor devices in series with the load as final control devices
    • 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
    • G06K7/06—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means which conduct current when a mark is sensed or absent, e.g. contact brush for a conductive mark

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Conveying Record Carriers (AREA)
  • Controlling Sheets Or Webs (AREA)
  • Measurement Of Current Or Voltage (AREA)
AT845967A 1966-09-26 1967-09-15 Abfühlvorrichtung für gelochte Datenträger AT270273B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US58191766A 1966-09-26 1966-09-26

Publications (1)

Publication Number Publication Date
AT270273B true AT270273B (de) 1969-04-25

Family

ID=24327091

Family Applications (1)

Application Number Title Priority Date Filing Date
AT845967A AT270273B (de) 1966-09-26 1967-09-15 Abfühlvorrichtung für gelochte Datenträger

Country Status (8)

Country Link
US (1) US3452185A (de)
AT (1) AT270273B (de)
CH (1) CH464581A (de)
DE (1) DE1549779C2 (de)
FR (1) FR1538073A (de)
GB (1) GB1133180A (de)
NL (1) NL149307B (de)
SE (1) SE318139B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9327912B2 (en) * 2014-03-07 2016-05-03 Lucien J Wroblewski Spring separator

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE890139C (de) * 1940-12-14 1953-09-17 Ibm Deutschland Abfuehleinrichtung fuer durch Lochkarten gesteuerte Maschinen
US2994476A (en) * 1956-11-15 1961-08-01 Rca Corp Perforation sensing circuit
DE1069410B (de) * 1957-01-09 1959-11-19 Olympia Werke A.G., Wilhelmshaven Einrichtung zur Abtastung von Lochkarten
US3031608A (en) * 1958-07-28 1962-04-24 Eschen Robert L Von Voltage regulator
US3104292A (en) * 1959-06-15 1963-09-17 Holzer Walter Fully automatic washing machines
US3174094A (en) * 1962-02-01 1965-03-16 Hughes Aircraft Co High efficiency power supply utilizing a negative resistance device
US3247363A (en) * 1962-03-28 1966-04-19 Rca Corp Electrical circuit
US3218542A (en) * 1962-06-25 1965-11-16 Collins Radio Co Electronic circuit protector

Also Published As

Publication number Publication date
DE1549779B1 (de) 1973-05-17
CH464581A (de) 1968-10-31
SE318139B (de) 1969-12-01
DE1549779C2 (de) 1974-02-14
US3452185A (en) 1969-06-24
NL149307B (nl) 1976-04-15
FR1538073A (fr) 1968-08-30
NL6711074A (de) 1968-03-27
GB1133180A (en) 1968-11-13

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