ZA200106760B - Variable capacitance coupling antenna. - Google Patents

Variable capacitance coupling antenna. Download PDF

Info

Publication number
ZA200106760B
ZA200106760B ZA200106760A ZA200106760A ZA200106760B ZA 200106760 B ZA200106760 B ZA 200106760B ZA 200106760 A ZA200106760 A ZA 200106760A ZA 200106760 A ZA200106760 A ZA 200106760A ZA 200106760 B ZA200106760 B ZA 200106760B
Authority
ZA
South Africa
Prior art keywords
antenna
capacitor
support
ink
coupling antenna
Prior art date
Application number
ZA200106760A
Other languages
English (en)
Inventor
Christophe Mathieu
Original Assignee
Ask Sa
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 Ask Sa filed Critical Ask Sa
Publication of ZA200106760B publication Critical patent/ZA200106760B/en

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/2208Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
    • H01Q1/2225Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems used in active tags, i.e. provided with its own power source or in passive tags, i.e. deriving power from RF signal
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06Record 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
    • G06K19/067Record 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
    • G06K19/07Record 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
    • G06K19/077Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749Constructional 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
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06Record 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
    • G06K19/067Record 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
    • G06K19/07Record 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
    • G06K19/077Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749Constructional 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
    • G06K19/07773Antenna details
    • G06K19/07777Antenna details the antenna being of the inductive type
    • G06K19/07779Antenna details the antenna being of the inductive type the inductive antenna being a coil
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06Record 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
    • G06K19/067Record 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
    • G06K19/07Record 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
    • G06K19/077Constructional details, e.g. mounting of circuits in the carrier
    • G06K19/07749Constructional 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
    • G06K19/07773Antenna details
    • G06K19/07777Antenna details the antenna being of the inductive type
    • G06K19/07779Antenna details the antenna being of the inductive type the inductive antenna being a coil
    • G06K19/07783Antenna details the antenna being of the inductive type the inductive antenna being a coil the coil being planar
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009Methods 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
    • G06K7/10316Methods 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 using at least one antenna particularly designed for interrogating the wireless record carriers
    • G06K7/10336Methods 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 using at least one antenna particularly designed for interrogating the wireless record carriers the antenna being of the near field type, inductive coil
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • H01Q7/005Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with variable reactance for tuning the antenna
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/16Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor
    • H05K1/162Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor incorporating printed capacitors
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/16Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor
    • H05K1/165Printed circuits incorporating printed electric components, e.g. printed resistor, capacitor, inductor incorporating printed inductors
ZA200106760A 2000-01-03 2001-08-16 Variable capacitance coupling antenna. ZA200106760B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0000209A FR2803439B1 (fr) 2000-01-03 2000-01-03 Antenne de couplage a capacite variable

Publications (1)

Publication Number Publication Date
ZA200106760B true ZA200106760B (en) 2001-12-19

Family

ID=8845718

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200106760A ZA200106760B (en) 2000-01-03 2001-08-16 Variable capacitance coupling antenna.

Country Status (20)

Country Link
US (1) US6522308B1 (zh)
EP (1) EP1183754A1 (zh)
JP (1) JP2003519948A (zh)
KR (1) KR100766645B1 (zh)
CN (1) CN1175521C (zh)
AU (1) AU767701B2 (zh)
BR (1) BR0103750A (zh)
CA (1) CA2362415C (zh)
FR (1) FR2803439B1 (zh)
HK (1) HK1048198B (zh)
ID (1) ID29786A (zh)
IL (1) IL144712A (zh)
MX (1) MXPA01008845A (zh)
NO (1) NO20014212L (zh)
NZ (1) NZ513515A (zh)
RU (1) RU2258282C2 (zh)
TR (1) TR200102544T1 (zh)
TW (1) TW526624B (zh)
WO (1) WO2001050547A1 (zh)
ZA (1) ZA200106760B (zh)

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Also Published As

Publication number Publication date
KR100766645B1 (ko) 2007-10-15
NO20014212D0 (no) 2001-08-30
HK1048198A1 (en) 2003-03-21
CN1175521C (zh) 2004-11-10
FR2803439B1 (fr) 2002-08-30
TR200102544T1 (tr) 2002-03-21
NZ513515A (en) 2004-02-27
US6522308B1 (en) 2003-02-18
EP1183754A1 (fr) 2002-03-06
CA2362415C (fr) 2010-03-23
WO2001050547A1 (fr) 2001-07-12
JP2003519948A (ja) 2003-06-24
AU767701B2 (en) 2003-11-20
KR20020004953A (ko) 2002-01-16
RU2258282C2 (ru) 2005-08-10
TW526624B (en) 2003-04-01
HK1048198B (zh) 2005-05-27
IL144712A0 (en) 2002-06-30
MXPA01008845A (es) 2003-02-12
NO20014212L (no) 2001-08-30
IL144712A (en) 2005-09-25
FR2803439A1 (fr) 2001-07-06
ID29786A (id) 2001-10-11
AU3182601A (en) 2001-07-16
CN1358342A (zh) 2002-07-10
CA2362415A1 (fr) 2001-07-12
BR0103750A (pt) 2001-12-26

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