GB0618616D0 - A circuit - Google Patents

A circuit

Info

Publication number
GB0618616D0
GB0618616D0 GBGB0618616.7A GB0618616A GB0618616D0 GB 0618616 D0 GB0618616 D0 GB 0618616D0 GB 0618616 A GB0618616 A GB 0618616A GB 0618616 D0 GB0618616 D0 GB 0618616D0
Authority
GB
United Kingdom
Prior art keywords
circuit
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.)
Withdrawn
Application number
GBGB0618616.7A
Other versions
GB2442021A (en
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.)
Dyson Technology Ltd
Original Assignee
Dyson Technology Ltd
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 Dyson Technology Ltd filed Critical Dyson Technology Ltd
Priority to GB0618616A priority Critical patent/GB2442021A/en
Publication of GB0618616D0 publication Critical patent/GB0618616D0/en
Priority to PCT/GB2007/003375 priority patent/WO2008035033A1/en
Publication of GB2442021A publication Critical patent/GB2442021A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/0207—Driving circuits
    • B06B1/0215—Driving circuits for generating pulses, e.g. bursts of oscillations, envelopes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/0207—Driving circuits
    • B06B1/0223—Driving circuits for generating signals continuous in time
    • 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
    • G05F1/66—Regulating electric power
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/80—Constructional details
    • H10N30/802—Circuitry or processes for operating piezoelectric or electrostrictive devices not otherwise provided for, e.g. drive circuits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
    • B06B2201/40—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups with testing, calibrating, safety devices, built-in protection, construction details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
    • B06B2201/50—Application to a particular transducer type
    • B06B2201/55—Piezoelectric transducer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
    • B06B2201/70—Specific application
    • B06B2201/77—Atomizers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
GB0618616A 2006-09-21 2006-09-21 Controlling the power supplied to a high frequency agitator Withdrawn GB2442021A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0618616A GB2442021A (en) 2006-09-21 2006-09-21 Controlling the power supplied to a high frequency agitator
PCT/GB2007/003375 WO2008035033A1 (en) 2006-09-21 2007-09-10 A circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0618616A GB2442021A (en) 2006-09-21 2006-09-21 Controlling the power supplied to a high frequency agitator

Publications (2)

Publication Number Publication Date
GB0618616D0 true GB0618616D0 (en) 2006-11-01
GB2442021A GB2442021A (en) 2008-03-26

Family

ID=37421386

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0618616A Withdrawn GB2442021A (en) 2006-09-21 2006-09-21 Controlling the power supplied to a high frequency agitator

Country Status (2)

Country Link
GB (1) GB2442021A (en)
WO (1) WO2008035033A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011108163A1 (en) * 2011-07-21 2013-01-24 Weber Ultrasonics Gmbh Control circuit and operating method for an ultrasound device
US9306457B2 (en) 2013-12-04 2016-04-05 Apple Inc. Instantaneous load current monitoring

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH034973A (en) * 1989-05-30 1991-01-10 Sharp Corp Ultrasonic generator
US4972425A (en) * 1989-08-30 1990-11-20 Hughes Aircraft Company Laser frequency stabilization
GB2265845B (en) * 1991-11-12 1996-05-01 Medix Ltd A nebuliser and nebuliser control system
US5658408A (en) * 1992-04-21 1997-08-19 Branson Ultrasonics Corporation Method for processing workpieces by ultrasonic energy
US5213249A (en) * 1992-05-29 1993-05-25 International Business Machines Corporation Ultrasonic adhesion/dehesion monitoring apparatus with power feedback measuring means
US5276376A (en) * 1992-06-09 1994-01-04 Ultrasonic Power Corporation Variable frequency ultrasonic generator with constant power output
US5388569A (en) * 1992-09-04 1995-02-14 American Cyanamid Co Phacoemulsification probe circuit with switch drive
JPH08292214A (en) * 1995-04-24 1996-11-05 Advantest Corp Precise voltage measuring system
IT1277427B1 (en) * 1995-08-03 1997-11-10 Miat Spa ULTRASONIC AEROSOL APPARATUS
KR100418623B1 (en) * 1998-12-18 2004-06-18 페어차일드코리아반도체 주식회사 Switching mode power supply with constant power control circuit
JP4104808B2 (en) * 2000-04-27 2008-06-18 株式会社三社電機製作所 Lamp power supply
US6639367B2 (en) * 2002-02-27 2003-10-28 Texas Instruments Incorporated Control circuit employing preconditioned feedback amplifier for initializing VCO operating frequency
US6802460B2 (en) * 2002-03-05 2004-10-12 Microflow Engineering Sa Method and system for ambient air scenting and disinfecting based on flexible, autonomous liquid atomizer cartridges and an intelligent networking thereof
US20030192532A1 (en) * 2002-04-12 2003-10-16 Hopkins Andrew David Nebulizer
GB2389468B (en) * 2003-01-13 2005-11-16 Sansha Electric Mfg Co Ltd Power supply apparatus for light source
US7161263B2 (en) * 2003-06-18 2007-01-09 Marlex Engineering Inc. Low voltage low loss piezoelectric driver and switching apparatus
US7625388B2 (en) * 2004-03-22 2009-12-01 Alcon, Inc. Method of controlling a surgical system based on a load on the cutting tip of a handpiece

Also Published As

Publication number Publication date
GB2442021A (en) 2008-03-26
WO2008035033A1 (en) 2008-03-27

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)