GB2330957B - Power supply clamp and method in a smartcard - Google Patents

Power supply clamp and method in a smartcard

Info

Publication number
GB2330957B
GB2330957B GB9722994A GB9722994A GB2330957B GB 2330957 B GB2330957 B GB 2330957B GB 9722994 A GB9722994 A GB 9722994A GB 9722994 A GB9722994 A GB 9722994A GB 2330957 B GB2330957 B GB 2330957B
Authority
GB
United Kingdom
Prior art keywords
smartcard
power supply
supply clamp
clamp
power
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 - Fee Related
Application number
GB9722994A
Other versions
GB2330957A (en
GB9722994D0 (en
Inventor
Michael John Gay
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.)
Atmel Research
Motorola Solutions Inc
Original Assignee
Atmel Research
Motorola Inc
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 Atmel Research, Motorola Inc filed Critical Atmel Research
Priority to GB9722994A priority Critical patent/GB2330957B/en
Publication of GB9722994D0 publication Critical patent/GB9722994D0/en
Publication of GB2330957A publication Critical patent/GB2330957A/en
Application granted granted Critical
Publication of GB2330957B publication Critical patent/GB2330957B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G06K19/0723—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
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
    • G05F1/613—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in parallel with the load as final control devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Near-Field Transmission Systems (AREA)
GB9722994A 1997-11-01 1997-11-01 Power supply clamp and method in a smartcard Expired - Fee Related GB2330957B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9722994A GB2330957B (en) 1997-11-01 1997-11-01 Power supply clamp and method in a smartcard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9722994A GB2330957B (en) 1997-11-01 1997-11-01 Power supply clamp and method in a smartcard

Publications (3)

Publication Number Publication Date
GB9722994D0 GB9722994D0 (en) 1998-01-07
GB2330957A GB2330957A (en) 1999-05-05
GB2330957B true GB2330957B (en) 2002-06-05

Family

ID=10821355

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9722994A Expired - Fee Related GB2330957B (en) 1997-11-01 1997-11-01 Power supply clamp and method in a smartcard

Country Status (1)

Country Link
GB (1) GB2330957B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2807585B1 (en) * 2000-04-05 2002-07-05 St Microelectronics Sa RECTIFIER DEVICE IN AN INTEGRATED TELE-POWERED CIRCUIT
GB2381882B (en) 2001-11-09 2005-11-09 Micron Technology Inc Voltage clamp circuit
EP1672563B1 (en) * 2004-12-16 2007-10-10 EM Microelectronic-Marin SA Radio frequency transponder, in particular for UHF, comprising an ESD-protection circuit

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989007295A1 (en) * 1988-02-04 1989-08-10 Magellan Corporation (Australia) Pty. Ltd. Shunt regulator
US5262712A (en) * 1991-02-13 1993-11-16 Eurosil Electronic Gmbh Power supply selectively providing series and parallel regulation
US5479172A (en) * 1994-02-10 1995-12-26 Racom Systems, Inc. Power supply and power enable circuit for an RF/ID transponder
EP0706151A2 (en) * 1994-10-06 1996-04-10 Mitsubishi Denki Kabushiki Kaisha Non-contact type IC card and non-contact type IC card system
WO1998029830A1 (en) * 1996-12-31 1998-07-09 On Track Innovations Ltd. Data transaction device having contact and contactless modes of operation

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989007295A1 (en) * 1988-02-04 1989-08-10 Magellan Corporation (Australia) Pty. Ltd. Shunt regulator
US5262712A (en) * 1991-02-13 1993-11-16 Eurosil Electronic Gmbh Power supply selectively providing series and parallel regulation
US5479172A (en) * 1994-02-10 1995-12-26 Racom Systems, Inc. Power supply and power enable circuit for an RF/ID transponder
EP0706151A2 (en) * 1994-10-06 1996-04-10 Mitsubishi Denki Kabushiki Kaisha Non-contact type IC card and non-contact type IC card system
WO1998029830A1 (en) * 1996-12-31 1998-07-09 On Track Innovations Ltd. Data transaction device having contact and contactless modes of operation
EP1012784A1 (en) * 1996-12-31 2000-06-28 On Track Innovations Ltd. Data transaction device having contact and contactless modes of operation

Also Published As

Publication number Publication date
GB2330957A (en) 1999-05-05
GB9722994D0 (en) 1998-01-07

Similar Documents

Publication Publication Date Title
GB2335293B (en) Apparatus and method for reducing power consumption in a self-timed system
DE69834346D1 (en) Proteinexpression in baculovirus-vektor expressionsystemen
EP0920014A4 (en) Editing device and editing method
GB9809242D0 (en) Power supply device
EP0683451A3 (en) Power supply control method in multi-task environment.
EP0764297A4 (en) High-efficiency power supply
AU7563998A (en) Device and method used in washing a brassiere
GB2336425B (en) Drying system in a spraybooth
GB2320435B (en) Improvements in Magnotherapy
AU1541199A (en) Method and apparatus for conserving power in a pager
HK1028847A1 (en) Method and arrangement in a dc-to-dc converter
GB2335016B (en) Device and method for establishing an inlet in a unit
DE69732623D1 (en) Analogsignalmultiplexer in strombetriebsart
AU6091399A (en) Method and arrangement for limiting starting current in a power supply
PT862258E (en) Method and system for transporting electric power in a link
HK1019670A1 (en) Arrangement and method in a telesystem
GB2330957B (en) Power supply clamp and method in a smartcard
GB2328844B (en) Power supply for use in a portable appliance
GB9724613D0 (en) Power/data supply and garments for receiving the same
EP0938336A4 (en) A method for enhancing long-term memory in a subject and uses thereof
GB2330459B (en) Improvements in power tracks
GB2321026B (en) Improvements in and relating to machine tools
GB9615738D0 (en) A power supply
AU1515699A (en) A plant and a method in connection therewith
IL121776A (en) Information supply and method

Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20051101

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20090917 AND 20090923