US20050178845A1 - Contactless electronic communication device with optional auxiliary power source - Google Patents

Contactless electronic communication device with optional auxiliary power source Download PDF

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Publication number
US20050178845A1
US20050178845A1 US11/082,429 US8242905A US2005178845A1 US 20050178845 A1 US20050178845 A1 US 20050178845A1 US 8242905 A US8242905 A US 8242905A US 2005178845 A1 US2005178845 A1 US 2005178845A1
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US
United States
Prior art keywords
card
terminals
power source
rectifying
output terminals
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.)
Abandoned
Application number
US11/082,429
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English (en)
Inventor
Thierry Desfontaines
Philippe Rincel
Nathalie Caye
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.)
Individual
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Individual
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 Individual filed Critical Individual
Priority to US11/082,429 priority Critical patent/US20050178845A1/en
Publication of US20050178845A1 publication Critical patent/US20050178845A1/en
Priority to US14/289,346 priority patent/US20140375136A1/en
Priority to US14/483,286 priority patent/US9152906B2/en
Abandoned legal-status Critical Current

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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
    • G06K19/0723—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
    • 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
    • G06K19/0701—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 at least one of the integrated circuit chips comprising an arrangement for power management
    • G06K19/0707—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 at least one of the integrated circuit chips comprising an arrangement for power management the arrangement being capable of collecting energy from external energy sources, e.g. thermocouples, vibration, electromagnetic radiation
    • G06K19/0708—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 at least one of the integrated circuit chips comprising an arrangement for power management the arrangement being capable of collecting energy from external energy sources, e.g. thermocouples, vibration, electromagnetic radiation the source being electromagnetic or magnetic
    • G06K19/0709—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 at least one of the integrated circuit chips comprising an arrangement for power management the arrangement being capable of collecting energy from external energy sources, e.g. thermocouples, vibration, electromagnetic radiation the source being electromagnetic or magnetic the source being an interrogation field
    • 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
    • G06K19/0727—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 the arrangement being a circuit facilitating integration of the record carrier with a hand-held device such as a smart phone of PDA
    • 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
    • G06K19/0775—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 arrangements for connecting the integrated circuit to the antenna
    • 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
    • G06K19/0775—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 arrangements for connecting the integrated circuit to the antenna
    • G06K19/07754—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 arrangements for connecting the integrated circuit to the antenna the connection being galvanic
    • 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
    • G06K19/07758—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 arrangements for adhering the record carrier to further objects or living beings, functioning as an identification tag
    • G06K19/07762—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 arrangements for adhering the record carrier to further objects or living beings, functioning as an identification tag the adhering arrangement making the record carrier wearable, e.g. having the form of a ring, watch, glove or bracelet
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive loop type
    • H04B5/77—
    • H04B5/26—

Definitions

  • the invention relates to contactless electronic communication systems in which at least one electronic communication device without an internal electric power source carried by a user communicates, by means of electromagnetic signals, with an electronic interrogation/reading/writing device.
  • Such contactless electronic communication systems are used, for example, for controlling access to ski runs, premises, garages, public transportation, etc, since the absence of any contact increases the speed of passage of the users whilst allowing exchange of information between the electronic device carried and the interrogation/reading/writing device so as to manage access according to certain criteria.
  • the electronic interrogation/reading/writing device emits electromagnetic signals, for example at radio frequency, which are detected by the electronic communication device carried by the user and serve on the one hand as a transmission medium for the information to be exchanged and on the other hand as an energy source for the electrical power supply to the electronic communication device.
  • the latter comprises, for example, as shown in the simplified diagram in FIG. 1 , an antenna 10 consisting of a resonant circuit 12 comprising a coil 14 and a capacitor 16 .
  • the radio frequency signals received by the antenna 10 coming from the interrogation/reading/writing device are applied to a demodulator 18 which detects the low-frequency modulation signals containing the binary information transmitted by the interrogation/reading/writing device.
  • binary information signals are processed by a digital processing circuit 20 in order to interpret them and if necessary produce a response in the form of binary signals which are transmitted to the interrogation/reading/writing device via a modulator 24 represented by a switch 22 and a load impedance ( 30 ) connected to the terminals of the resonant circuit 12 .
  • the radio frequency signals detected by the antenna 10 are also applied to a rectifying and filtering circuit 26 which supplies, at the terminals A and B, a supply voltage V cc to the circuits 18 , 20 and 24 .
  • the contactless electronic communication device is produced in the form of a microcircuit 28 disposed in a plastic card, of the bank card type, the coil 14 of the antenna being disposed along the periphery of the card, the whole constituting a communication module MC.
  • the capacitor 16 is produced partly in the microcircuit 28 and partly outside it with a view to the tuning adjustment of the resonant circuit 12 .
  • Such a microcircuit can also be disposed in the case of a watch, the material of the case being designed to allow passage of the electromagnetic signals to the antenna inside the case.
  • Such contactless electronic communication systems have the major drawback that their operating distance is limited, for example a few tens of centimetres at the frequency of 13.56 MHz in read/write mode, because of the inadequacy of the electrical supply power which is actually available for the microcircuit, beyond a certain distance between the interrogation/reading/writing device and the antenna.
  • the purpose of the invention is therefore to produce a contactless electronic communication device which has a maximum operating distance and a calculation power which are greater than those of the devices of the prior art.
  • This aim is achieved by modifying the contactless electronic communication device so that it can be connected to an electrical power source of a normal object, such as an electric battery, disposed on a support such as a card holder or a watch.
  • a normal object such as an electric battery
  • the invention therefore relates to a contactless electronic electromagnetic communication device of the type comprising in a module:
  • connection means also comprise a switch for establishing or cutting off the connection between the power source and the terminals of the rectifying and filtering circuit.
  • connection means comprise:
  • the means of supporting the electrical power source comprise a card holder
  • the means of connecting the said first and second contact terminals comprise means of guiding and holding the card in the card holder so as to make the said first and second contact terminals coincide.
  • the means of supporting the electrical power source comprise an object such as a watch with an electric battery
  • the first contact terminals comprise a connector disposed on the case of the module
  • the second contact terminals comprise a connector disposed on the watch case
  • the said connectors cooperate with each other in order to establish electrical connections and being held in this position by holding means carried by the case of the module and the object supporting the electrical power source.
  • the connectors can be studs which are situated opposite each other or connectors of the male/female type.
  • the battery charging terminals are used for establishing the connection between the battery and the module.
  • FIG. 1 is a functional electronic diagram of an electronic communication device having characteristics of the invention
  • FIGS. 2A and 2B show a microcircuit card implementing a contactless electronic communication device and a card holder according to the invention, the latter being able to receive the card of FIG. 2A ,
  • FIG. 3 is a plan view of a watch containing an electric battery
  • FIG. 4 is a right-hand view of the watch of FIG. 3 .
  • FIG. 5 is a view from below of the watch of FIG. 3 .
  • FIG. 6 is a left-hand view of the watch of FIG. 3 .
  • FIG. 7 is a perspective view of a case containing a contactless communication module and designed to adapt to a watch containing an electric battery
  • FIG. 8 is a view in section of the case of FIG. 7 .
  • FIG. 9 is a view in exploded perspective of the case of FIG. 7 and of the case of the watch containing the electric battery,
  • FIG. 10 is a view in exploded perspective of a variant combination between a case containing a communication module and a watch containing an electric battery,
  • FIG. 11 is a view in perspective from below of the case of FIG. 10 .
  • FIG. 12 is a view in perspective of a case containing a contactless communication module associated with a mobile telephone handset according to the invention.
  • FIG. 13 is a view in perspective of a portable mobile telephone handset associated with a microcircuit card according to FIG. 2A .
  • FIG. 1 The diagram in FIG. 1 of a contactless electronic device will not be described again for the elements known from the prior art.
  • the so-called contactless communication module MC is normally housed in the thickness of a plastic card 40 , the coil 14 of the antenna 10 being housed at the periphery of the card in one or more turns.
  • the contact terminals 36 and 38 are disposed on the surface of the card 40 .
  • the card 40 cooperates with a card holder PC so as to be inserted, by sliding for example, in raised grooves 42 and 44 with a stop 46 .
  • the card holder serves as a support for an electric battery 48 housed in the thickness of the card holder.
  • the electrical terminals of the battery 48 are connected by conductors 50 and 52 housed in the thickness of the card holder, to contact terminals 56 and 58 disposed at the surface of the card holder so as to cooperate respectively with the contact terminals 36 and 38 of the card 40 , it being understood that the card 40 in FIG. 2A must be turned over in order to be inserted in the grooves 42 and 44 .
  • the electrical connection between the electric battery 48 and the contact terminals 56 and 58 may be permanent or intermittent as required by the user provided that a switch 60 is connected in series, on the conductor 50 for example, which is handled by the user.
  • the microcircuit 28 is supplied with the voltage of the electrical battery 48 , which can replace or possibly be added to the voltage supplied by the rectifying and filtering circuit 26 .
  • the result is a supply voltage V cc which is constant since it is independent of the distance between the card 40 and the interrogation/reading/writing device, giving rise to a greater maximum detection distance, a longer period available for processing and a higher calculation speed.
  • microcircuit cards known as “combicards” which are designed on the one hand to communicate with an interrogation/reading/writing device at a distance but also on the other hand to communicate with an interrogation/reading/writing device with contacts.
  • these combicards have a microcircuit 28 connected to contact terminals of the conventional type, for example according to ISO 7816-2.
  • the contact terminals 36 and 38 of the contactless card 40 and those 56 , 58 of the card holder PC will comply with the standard, which ipso facto will allow the use of combicards by the card holder PC.
  • the switch 60 can be of the push button microswitch type housed in the thickness of the card holder, the push button being for example disposed on the face of the card holder opposite to the one receiving the card 40 .
  • the electrical battery 48 is of the extra-flat type and is housed in a cavity in the card holder PC with a view to its possible replacement.
  • microswitch and its push button can be housed in the cavity of the extra-flat battery.
  • the contactless electronic module MC is carried by a plastic card 40 of the bank card type whilst the electrical battery 48 is carried by a card holder PC on which the card 40 is inserted so as to establish electrical contacts between the terminals 36 , 38 , 56 and 58 .
  • the invention also applies to any contactless electronic module as modified in order to have contact terminals 36 and 38 so as to be connected to contact terminals of a battery carried by an object such as an electronic watch or a mobile telephone handset.
  • FIGS. 4 to 11 show two examples of combination between a contactless electronic module and a watch with electrical battery whilst FIGS. 12 and 13 show two examples of combinations between a contactless electronic module and a mobile telephone.
  • a watch MO (FIGS. 3 to 11 ) of the electronic type comprises an electronic circuit (not shown), a display device ( 62 ) with one or more dials 64 , 66 , 68 and an electrical supply battery 70 , these three components being disposed in a case 72 provided on its periphery with various control buttons 74 .
  • the case 72 is held on the wrist by a bracelet 76 via connection articulations 78 .
  • the electrical battery 70 is connected not only to the electronic circuit and to the dials but also to a connector 80 (FIGS. 3 to 9 ), of the female type for example, which is carried by the lateral part of the watch case 72 .
  • This connector 80 cooperates with a male connector 82 carried by a case 84 containing the microcircuit 28 , the antenna coil 14 and the electrical conductors 32 and 34 .
  • a microswitch 86 is connected in series to the conductor 32 so as to supply or not the microcircuit 28 at the request of the user.
  • the case 84 is fixed to the back of the watch by snapping on the male 82 and female 80 connectors and by means of a lug 88 under which a thinned part 90 of the case 84 fits.
  • the output connector of the electrical battery 70 can be disposed on the back of the watch case in the form of two contacts 100 and 102 ( FIGS. 10 and 11 ) which cooperate respectively with two studs 104 and 106 on a case 108 containing the electronic microcircuit 28 , the antenna coil 14 and the electrical conductors 32 and 34 .
  • the studs 104 and 106 are connected to the points A and B of the electronic microcircuit 28 by the electrical conductors 32 and 34 , one of which is provided with a microswitch 110 actuated by the user.
  • the case 108 is fixed to the back of the watch by two brackets 112 , 114 which cooperate respectively with two housings 116 and 118 disposed in the back of the watch.
  • the case 108 has a thinned peripheral part 120 for release.
  • the electronic microcircuit 28 and its antenna are, for example, disposed in a parallelepipedal case 130 having on one face two male contacts, not shown. These two contacts are inserted in female contacts 132 on the mobile telephone, those used for recharging the telephone battery.
  • a microswitch 134 is disposed on an electrical conductor 32 or 34 and is actuated by the user by means of a push button carried by the case 130 .
  • Some mobile telephones 138 are equipped with a connector 140 ( FIG. 13 ) in which a card of the bank type can be inserted with a view to adding additional functions to the mobile telephone.
  • the contactless card 40 of FIG. 2A can be inserted in the connector 140 so as to connect its contacts 36 and 38 to the electrical supply contacts of the connector 140 .
  • the switch 142 is disposed on the mobile telephone 138 .
  • the switch 60 or 142 is carried by the card holder PC or the mobile telephone 138 , which contains the electrical power source, whilst the switch 86 or 134 is carried by the case 84 or 130 , which contains the microcircuit 28 .
  • the electrical power source can be a rechargeable battery, an electrical battery, removable or not, or so-called solar cells, for example of the photovoltaic type.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Credit Cards Or The Like (AREA)
  • Near-Field Transmission Systems (AREA)
  • Power Sources (AREA)
  • Transceivers (AREA)
  • Telephone Set Structure (AREA)
  • Optical Communication System (AREA)
US11/082,429 1998-12-09 2005-03-17 Contactless electronic communication device with optional auxiliary power source Abandoned US20050178845A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US11/082,429 US20050178845A1 (en) 1998-12-09 2005-03-17 Contactless electronic communication device with optional auxiliary power source
US14/289,346 US20140375136A1 (en) 1998-12-09 2014-05-28 Contactless Electronic Communication Device with Optional Auxiliary Power Source
US14/483,286 US9152906B2 (en) 1998-12-09 2014-09-11 Contactless electronic communication device with optional auxiliary power source

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
FR98/15543 1998-12-09
FR9815543A FR2787260B1 (fr) 1998-12-09 1998-12-09 Dispositif electronique de communication sans contact a source d'energie auxiliaire optionnelle
PCT/FR1999/003032 WO2000035114A1 (fr) 1998-12-09 1999-12-07 Dispositif electronique de communication sans contact a source d'energie auxiliaire optionnelle
US85775401A 2001-06-22 2001-06-22
US11/082,429 US20050178845A1 (en) 1998-12-09 2005-03-17 Contactless electronic communication device with optional auxiliary power source

Related Parent Applications (3)

Application Number Title Priority Date Filing Date
US09857754 Continuation 1999-12-07
PCT/FR1999/003032 Continuation WO2000035114A1 (fr) 1998-12-09 1999-12-07 Dispositif electronique de communication sans contact a source d'energie auxiliaire optionnelle
US85775401A Continuation 1998-12-09 2001-06-22

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US14/289,346 Continuation US20140375136A1 (en) 1998-12-09 2014-05-28 Contactless Electronic Communication Device with Optional Auxiliary Power Source

Publications (1)

Publication Number Publication Date
US20050178845A1 true US20050178845A1 (en) 2005-08-18

Family

ID=9533770

Family Applications (3)

Application Number Title Priority Date Filing Date
US11/082,429 Abandoned US20050178845A1 (en) 1998-12-09 2005-03-17 Contactless electronic communication device with optional auxiliary power source
US14/289,346 Abandoned US20140375136A1 (en) 1998-12-09 2014-05-28 Contactless Electronic Communication Device with Optional Auxiliary Power Source
US14/483,286 Expired - Fee Related US9152906B2 (en) 1998-12-09 2014-09-11 Contactless electronic communication device with optional auxiliary power source

Family Applications After (2)

Application Number Title Priority Date Filing Date
US14/289,346 Abandoned US20140375136A1 (en) 1998-12-09 2014-05-28 Contactless Electronic Communication Device with Optional Auxiliary Power Source
US14/483,286 Expired - Fee Related US9152906B2 (en) 1998-12-09 2014-09-11 Contactless electronic communication device with optional auxiliary power source

Country Status (9)

Country Link
US (3) US20050178845A1 (de)
EP (1) EP1138128B1 (de)
CN (1) CN1334998A (de)
AT (1) ATE259558T1 (de)
AU (1) AU1566300A (de)
DE (1) DE69914799T2 (de)
ES (1) ES2216597T3 (de)
FR (1) FR2787260B1 (de)
WO (1) WO2000035114A1 (de)

Cited By (5)

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US20060086806A1 (en) * 2003-07-09 2006-04-27 Stmicroelectronics S.A. Dual-mode smart card
US7181179B2 (en) * 2000-05-30 2007-02-20 Seiko Epson Corporation Hand-held electronic device
US20070247136A1 (en) * 2003-12-18 2007-10-25 Telefonaktiebolaget Lm Ericsson (Publ) Exchangeable Module for Additional Functionality
US20120263258A1 (en) * 2011-04-11 2012-10-18 Rf Micro Devices, Inc. Circuits and methods for providing a control voltage and improving switch performance in radio frequency (rf) modules
EP2579427A4 (de) * 2010-06-07 2015-12-09 Hanrim Postech Co Ltd Stromempfänger für drahtlose aufladung und tragbare elektronische vorrichtung damit

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Publication number Priority date Publication date Assignee Title
US7904627B2 (en) * 2007-10-23 2011-03-08 Psion Teklogix Inc. Passive client-host detection for connected peripherals
DE102011078000B4 (de) * 2011-06-22 2014-04-30 Continental Automotive Gmbh Kommunikationsanordnung
CA3153955C (en) * 2021-03-26 2024-03-19 Fortin Systemes Electroniques System with control device and method for vehicle proximity remote

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DE69914799D1 (de) 2004-03-18
ATE259558T1 (de) 2004-02-15
EP1138128A1 (de) 2001-10-04
EP1138128B1 (de) 2004-02-11
AU1566300A (en) 2000-06-26
DE69914799T2 (de) 2004-12-09
US20140374493A1 (en) 2014-12-25
US20140375136A1 (en) 2014-12-25
ES2216597T3 (es) 2004-10-16
CN1334998A (zh) 2002-02-06
US9152906B2 (en) 2015-10-06
FR2787260A1 (fr) 2000-06-16
WO2000035114A1 (fr) 2000-06-15
FR2787260B1 (fr) 2003-01-24

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