CH359553A - Device for capacitive high-speed scanning of perforated recording media - Google Patents

Device for capacitive high-speed scanning of perforated recording media

Info

Publication number
CH359553A
CH359553A CH359553DA CH359553A CH 359553 A CH359553 A CH 359553A CH 359553D A CH359553D A CH 359553DA CH 359553 A CH359553 A CH 359553A
Authority
CH
Switzerland
Prior art keywords
recording media
speed scanning
capacitive high
perforated recording
perforated
Prior art date
Application number
Other languages
German (de)
Inventor
Erik Dipl-Ing Stemme Ni Gustaf
Original Assignee
Atvidabergs Ind Ab
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 Atvidabergs Ind Ab filed Critical Atvidabergs Ind Ab
Publication of CH359553A publication Critical patent/CH359553A/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06K7/08—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes
    • G06K7/081—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means detecting the change of an electrostatic or magnetic field, e.g. by detecting change of capacitance between electrodes electrostatic, e.g. by detecting the charge of capacitance between electrodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L17/00—Apparatus or local circuits for transmitting or receiving codes wherein each character is represented by the same number of equal-length code elements, e.g. Baudot code
    • H04L17/02—Apparatus or circuits at the transmitting end
    • H04L17/12—Automatic transmitters, e.g. controlled by perforated tape
    • H04L17/14—Automatic transmitters, e.g. controlled by perforated tape with optical sensing means

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Credit Cards Or The Like (AREA)
CH359553D 1957-08-13 1957-08-09 Device for capacitive high-speed scanning of perforated recording media CH359553A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2559257A GB830679A (en) 1957-08-13 1957-08-13 An apparatus for dielectric sensing of punched records

Publications (1)

Publication Number Publication Date
CH359553A true CH359553A (en) 1962-01-15

Family

ID=10230179

Family Applications (1)

Application Number Title Priority Date Filing Date
CH359553D CH359553A (en) 1957-08-13 1957-08-09 Device for capacitive high-speed scanning of perforated recording media

Country Status (3)

Country Link
CH (1) CH359553A (en)
FR (1) FR1181661A (en)
GB (1) GB830679A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1198096B (en) * 1960-04-02 1965-08-05 Ibm Deutschland Arrangement for the automatic evaluation of hole checks u. like billing forms
US3210527A (en) * 1961-06-12 1965-10-05 Ibm Magnetic reader
DE1223594B (en) * 1961-09-23 1966-08-25 Ibm Deutschland Device for capacitive scanning of recording media
US3479491A (en) * 1964-11-18 1969-11-18 Bendix Corp Electrostatic reader head

Also Published As

Publication number Publication date
FR1181661A (en) 1959-06-17
GB830679A (en) 1960-03-16

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