GB2420861C - A frequency doubling device - Google Patents

A frequency doubling device

Info

Publication number
GB2420861C
GB2420861C GB0604712A GB0604712A GB2420861C GB 2420861 C GB2420861 C GB 2420861C GB 0604712 A GB0604712 A GB 0604712A GB 0604712 A GB0604712 A GB 0604712A GB 2420861 C GB2420861 C GB 2420861C
Authority
GB
United Kingdom
Prior art keywords
frequency doubling
doubling device
frequency
doubling
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
GB0604712A
Other versions
GB2420861B (en
GB0604712D0 (en
GB2420861A (en
Inventor
David Bernard Mapleston
Peter Robert Symons
Colin Philip Brooks
Andrew David White
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.)
Broadcom Innovision Ltd
Original Assignee
Innovision Research and Technology PLC
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 Innovision Research and Technology PLC filed Critical Innovision Research and Technology PLC
Publication of GB0604712D0 publication Critical patent/GB0604712D0/en
Publication of GB2420861A publication Critical patent/GB2420861A/en
Publication of GB2420861B publication Critical patent/GB2420861B/en
Application granted granted Critical
Publication of GB2420861C publication Critical patent/GB2420861C/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
    • 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
    • G06K7/10118—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 the sensing being preceded by at least one preliminary step
    • G06K7/10128—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 the sensing being preceded by at least one preliminary step the step consisting of detection of the presence of one or more record carriers in the vicinity of the interrogation device
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V15/00—Tags attached to, or associated with, an object, in order to enable detection of the object
    • 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
    • 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
    • G06K7/08—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
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/04—Testing magnetic properties of the materials thereof, e.g. by detection of magnetic imprint
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B19/00—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source
    • H03B19/03—Generation of oscillations by non-regenerative frequency multiplication or division of a signal from a separate source using non-linear inductance
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16—Power-driven cleaning or polishing devices
    • A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
    • A61C17/221—Control arrangements therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
    • A61C17/16—Power-driven cleaning or polishing devices
    • A61C17/22—Power-driven cleaning or polishing devices with brushes, cushions, cups, or the like
    • A61C17/222—Brush body details, e.g. the shape thereof or connection to handle

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Nonlinear Science (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Near-Field Transmission Systems (AREA)
  • Measuring Magnetic Variables (AREA)
  • Geophysics And Detection Of Objects (AREA)
GB0604712A 2001-12-10 2002-10-21 A frequency doubling device Expired - Fee Related GB2420861C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0129492A GB2382957A (en) 2001-12-10 2001-12-10 Detectable components and detection apparatus for detecting such components
GB0224431A GB2382876C (en) 2001-12-10 2002-10-21 Detectable components and detection apparatus for detecting such components

Publications (4)

Publication Number Publication Date
GB0604712D0 GB0604712D0 (en) 2006-04-19
GB2420861A GB2420861A (en) 2006-06-07
GB2420861B GB2420861B (en) 2006-07-19
GB2420861C true GB2420861C (en) 2006-08-04

Family

ID=9927315

Family Applications (4)

Application Number Title Priority Date Filing Date
GB0129492A Withdrawn GB2382957A (en) 2001-12-10 2001-12-10 Detectable components and detection apparatus for detecting such components
GB0604712A Expired - Fee Related GB2420861C (en) 2001-12-10 2002-10-21 A frequency doubling device
GB0526602A Expired - Fee Related GB2419959B (en) 2001-12-10 2002-10-21 Detectable components and detection apparatus for detecting such components
GB0224431A Expired - Fee Related GB2382876C (en) 2001-12-10 2002-10-21 Detectable components and detection apparatus for detecting such components

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0129492A Withdrawn GB2382957A (en) 2001-12-10 2001-12-10 Detectable components and detection apparatus for detecting such components

Family Applications After (2)

Application Number Title Priority Date Filing Date
GB0526602A Expired - Fee Related GB2419959B (en) 2001-12-10 2002-10-21 Detectable components and detection apparatus for detecting such components
GB0224431A Expired - Fee Related GB2382876C (en) 2001-12-10 2002-10-21 Detectable components and detection apparatus for detecting such components

Country Status (1)

Country Link
GB (4) GB2382957A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2002352369A1 (en) 2001-12-10 2003-07-09 Innovision Research And Technology Plc Detectable components and detection apparatus for detecting such components
ATE545383T1 (en) * 2003-09-09 2012-03-15 Procter & Gamble ELECTRIC TOOTHBRUSH HAVING AN ELECTRICALLY POWERED ELEMENT
JP4371063B2 (en) * 2005-02-18 2009-11-25 富士ゼロックス株式会社 Magnetic body detection apparatus and method
DE102007022827A1 (en) * 2007-05-15 2008-11-20 Braun Gmbh Toothbrush attachment and method for its production
EP2184028B1 (en) * 2008-11-05 2013-06-05 W & H Dentalwerk Bürmoos GmbH Medical, in particular dental, treatment device
US20110089162A1 (en) * 2009-10-16 2011-04-21 Cookek Induction Systems, LLC, a division of Middleby Corporation Induction-Based Heating Appliances Employing Long Wave Magnetic Communication
DE102014218874A1 (en) * 2014-09-19 2016-03-24 Forschungszentrum Jülich GmbH High quality coil
JP6752564B2 (en) * 2015-10-07 2020-09-09 ロレアル Beauty Equipment
EP3636214B1 (en) * 2016-07-04 2021-04-21 W & H Dentalwerk Bürmoos GmbH Medical or dental treatment device and tool for such a treatment device
CN110907868B (en) * 2019-12-13 2022-09-02 中国人民解放军国防科技大学 Giant magneto-impedance sensor probe excitation and signal acquisition synchronization method and system and giant magneto-impedance sensor
CN111323737B (en) * 2020-04-09 2021-03-02 西安交通大学 Impedance sensitive type magnetic sensor and hardware detection circuit thereof
WO2022248681A1 (en) * 2021-05-28 2022-12-01 De'longhi Braun Household Gmbh Attachment recognition for a food processing appliance

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3771044A (en) * 1973-02-21 1973-11-06 Gte Laboratories Inc Broad band frequency doubler and limiter utilizing magneto-resistive effect in a rotating magnetic field
WO1980002340A1 (en) * 1979-04-24 1980-10-30 Rovex Ltd Sound generating electronic arrangement
CA2113329A1 (en) * 1993-02-02 1994-08-03 Avi Arad Talking playset
AU8902598A (en) * 1997-08-12 1999-03-01 Itron Inc. Method and apparatus for use of magnetic flux in electronic and signal processi ng systems
US6177870B1 (en) * 1999-01-13 2001-01-23 Sensormatic Electronics Corporation Resonant EAS marker with sideband generator
SG88748A1 (en) * 1999-03-15 2002-05-21 Univ Singapore An educational tool, entertainment system or search tool
US6504363B1 (en) * 2000-03-07 2003-01-07 Teodor Dogaru Sensor for eddy current testing and method of use thereof
US6356197B1 (en) * 2000-04-03 2002-03-12 Sensormatic Electronics Corporation Electronic article surveillance and identification device, system, and method

Also Published As

Publication number Publication date
GB2420861B (en) 2006-07-19
GB0129492D0 (en) 2002-01-30
GB2382876C (en) 2007-09-24
GB2382957A (en) 2003-06-11
GB2382876A (en) 2003-06-11
GB0224431D0 (en) 2002-11-27
GB2419959A (en) 2006-05-10
GB2419959B (en) 2006-06-28
GB0604712D0 (en) 2006-04-19
GB2382876B (en) 2006-06-07
GB2420861A (en) 2006-06-07
GB0526602D0 (en) 2006-02-08

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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: 20131021