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FI832885A0 - Kapasitiv laesmetod foer kodkort och laesanordning foer foerverkligande av foerfarandet - Google Patents

Kapasitiv laesmetod foer kodkort och laesanordning foer foerverkligande av foerfarandet

Info

Publication number
FI832885A0
FI832885A0 FI832885A FI832885A FI832885A0 FI 832885 A0 FI832885 A0 FI 832885A0 FI 832885 A FI832885 A FI 832885A FI 832885 A FI832885 A FI 832885A FI 832885 A0 FI832885 A0 FI 832885A0
Authority
FI
Finland
Prior art keywords
capacitive
codes
coding
ceiling method
ceiling
Prior art date
Application number
FI832885A
Other languages
English (en)
Other versions
FI74358B (fi
FI832885L (fi
FI74358C (fi
Inventor
Jukka Korhonen
Teijo Viljanen
Original Assignee
Aspo Oy Elektroniikka
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 Aspo Oy Elektroniikka filed Critical Aspo Oy Elektroniikka
Priority to FI832885A priority Critical patent/FI74358C/fi
Publication of FI832885A0 publication Critical patent/FI832885A0/fi
Priority to NO842353A priority patent/NO842353L/no
Priority to EP84108174A priority patent/EP0133656A2/de
Publication of FI832885L publication Critical patent/FI832885L/fi
Publication of FI74358B publication Critical patent/FI74358B/fi
Application granted granted Critical
Publication of FI74358C publication Critical patent/FI74358C/fi

Links

Classifications

    • 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
    • G06K7/08—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
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/96—Touch switches
    • H03K2217/9607—Capacitive touch switches
    • H03K2217/960755—Constructional details of capacitive touch and proximity switches
    • H03K2217/960775—Emitter-receiver or "fringe" type detection, i.e. one or more field emitting electrodes and corresponding one or more receiving electrodes

Landscapes

  • Engineering & Computer Science (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)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Prepayment Telephone Systems (AREA)
FI832885A 1983-08-11 1983-08-11 Kapasitiv laesmetod foer kodkort och laesanordning foer foerverkligande av foerfarandet. FI74358C (fi)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI832885A FI74358C (fi) 1983-08-11 1983-08-11 Kapasitiv laesmetod foer kodkort och laesanordning foer foerverkligande av foerfarandet.
NO842353A NO842353L (no) 1983-08-11 1984-06-13 Kapasitiv lesemetode for kodekort og leseapparat til bruk ved samme
EP84108174A EP0133656A2 (de) 1983-08-11 1984-07-12 Verfahren zum kapazitiven Lesen von Codekarten und Vorrichtung zur Durchführung eines solchen Verfahrens

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI832885A FI74358C (fi) 1983-08-11 1983-08-11 Kapasitiv laesmetod foer kodkort och laesanordning foer foerverkligande av foerfarandet.
FI832885 1983-08-11

Publications (4)

Publication Number Publication Date
FI832885A0 true FI832885A0 (fi) 1983-08-11
FI832885L FI832885L (fi) 1985-02-12
FI74358B FI74358B (fi) 1987-09-30
FI74358C FI74358C (fi) 1988-01-11

Family

ID=8517595

Family Applications (1)

Application Number Title Priority Date Filing Date
FI832885A FI74358C (fi) 1983-08-11 1983-08-11 Kapasitiv laesmetod foer kodkort och laesanordning foer foerverkligande av foerfarandet.

Country Status (3)

Country Link
EP (1) EP0133656A2 (fi)
FI (1) FI74358C (fi)
NO (1) NO842353L (fi)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0390977A (ja) * 1989-09-01 1991-04-16 Toyo Ink Mfg Co Ltd 情報識別方法
DE3933542A1 (de) * 1989-10-07 1991-04-18 Kg Catts Ges Fuer Erkennungs & Kodeanordnung und vorrichtungen zum lesen sowie zum kodieren derselben
US5394969A (en) * 1991-12-31 1995-03-07 Authentication Technologies, Inc. Capacitance-based verification device for a security thread embedded within currency paper
US5419424A (en) * 1994-04-28 1995-05-30 Authentication Technologies, Inc. Currency paper security thread verification device
US5535871A (en) * 1995-08-29 1996-07-16 Authentication Technologies, Inc. Detector for a security thread having at least two security detection features
US5810146A (en) * 1996-10-31 1998-09-22 Authentication Technologies, Inc. Wide edge lead currency thread detection system
DE10064009A1 (de) * 2000-12-21 2002-07-04 Giesecke & Devrient Gmbh Trennmittel für die Bearbeitung von Blattgut
GB2394775B (en) * 2002-10-31 2006-12-20 Hm Technology Internat Ltd Mechanically operable electrical device

Also Published As

Publication number Publication date
FI74358B (fi) 1987-09-30
EP0133656A2 (de) 1985-03-06
FI832885L (fi) 1985-02-12
NO842353L (no) 1985-02-12
FI74358C (fi) 1988-01-11

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: ASPO OY