DE69232701T2 - Elektronische Schaltung zum Empfangen von RF modulierten digitalen Signalen - Google Patents

Elektronische Schaltung zum Empfangen von RF modulierten digitalen Signalen

Info

Publication number
DE69232701T2
DE69232701T2 DE1992632701 DE69232701T DE69232701T2 DE 69232701 T2 DE69232701 T2 DE 69232701T2 DE 1992632701 DE1992632701 DE 1992632701 DE 69232701 T DE69232701 T DE 69232701T DE 69232701 T2 DE69232701 T2 DE 69232701T2
Authority
DE
Germany
Prior art keywords
receiving
electronic circuit
digital signals
modulated digital
modulated
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.)
Expired - Lifetime
Application number
DE1992632701
Other languages
English (en)
Other versions
DE69232701D1 (de
Inventor
Andrew Gordon Francis Dingwall
Jonathan Lloyd Schepps
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.)
Sarnoff Corp
Original Assignee
Sarnoff 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 Sarnoff Corp filed Critical Sarnoff Corp
Priority claimed from EP92912571A external-priority patent/EP0641450B1/de
Publication of DE69232701D1 publication Critical patent/DE69232701D1/de
Application granted granted Critical
Publication of DE69232701T2 publication Critical patent/DE69232701T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/077—Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749—Constructional details, e.g. mounting of circuits in the carrier the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
    • G06K19/07773—Antenna details
    • G06K19/07786—Antenna details the antenna being of the HF type, such as a dipole
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
    • G06K19/0723—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
    • 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
    • G06K7/0008—General problems related to the reading of electronic memory record carriers, independent of its reading method, e.g. power transfer
    • 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
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10019—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers.
    • G06K7/10029—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers. the collision being resolved in the time domain, e.g. using binary tree search or RFID responses allocated to a random time slot
    • G06K7/10039—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves resolving collision on the communication channels between simultaneously or concurrently interrogated record carriers. the collision being resolved in the time domain, e.g. using binary tree search or RFID responses allocated to a random time slot interrogator driven, i.e. synchronous

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Radar Systems Or Details Thereof (AREA)
DE1992632701 1992-05-21 1992-05-21 Elektronische Schaltung zum Empfangen von RF modulierten digitalen Signalen Expired - Lifetime DE69232701T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP92912571A EP0641450B1 (de) 1992-05-21 1992-05-21 Elektronisches system und verfahren zur identifizeirung aus der ferne von kodierten gegenständen und ähnlichem

Publications (2)

Publication Number Publication Date
DE69232701D1 DE69232701D1 (de) 2002-08-29
DE69232701T2 true DE69232701T2 (de) 2003-03-13

Family

ID=8212392

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1992632701 Expired - Lifetime DE69232701T2 (de) 1992-05-21 1992-05-21 Elektronische Schaltung zum Empfangen von RF modulierten digitalen Signalen

Country Status (3)

Country Link
EP (1) EP0917088B1 (de)
DE (1) DE69232701T2 (de)
ES (2) ES2139601T3 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1021125C2 (nl) * 2002-07-22 2004-01-23 Nedap Nv Schakelende modulator.
WO2004109583A1 (en) * 2003-06-06 2004-12-16 Stemco Llc Wireless communication device, system for communication and communication method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4068232A (en) * 1976-02-12 1978-01-10 Fairchild Industries, Inc. Passive encoding microwave transponder
FR2631725B1 (fr) * 1988-05-20 1990-07-27 Guena Jean Systeme radio de transmission de donnees a une extremite passive
JP3192139B2 (ja) * 1990-06-14 2001-07-23 三菱電機株式会社 非接触型ｉｃカード及び非接触型ｉｃカードシステム並びに端末装置と非接触型ｉｃカードとの間の信号伝送方法

Also Published As

Publication number Publication date
DE69232701D1 (de) 2002-08-29
ES2182218T3 (es) 2003-03-01
EP0917088B1 (de) 2002-07-24
ES2139601T3 (es) 2000-02-16
EP0917088A3 (de) 1999-11-03
EP0917088A2 (de) 1999-05-19

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