GB9809435D0 - Molded transducers - Google Patents

Molded transducers

Info

Publication number
GB9809435D0
GB9809435D0 GBGB9809435.2A GB9809435A GB9809435D0 GB 9809435 D0 GB9809435 D0 GB 9809435D0 GB 9809435 A GB9809435 A GB 9809435A GB 9809435 D0 GB9809435 D0 GB 9809435D0
Authority
GB
United Kingdom
Prior art keywords
transducers
molded
molded transducers
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Withdrawn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
GBGB9809435.2A
Other versions
GB2336967A (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.)
Siemens Canada Ltd
Federal Industries Industrial Group Inc
Original Assignee
Federal Industries Industrial Group Inc
Milltronics 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 Federal Industries Industrial Group Inc, Milltronics Ltd filed Critical Federal Industries Industrial Group Inc
Priority to GB9809435A priority Critical patent/GB2336967A/en
Publication of GB9809435D0 publication Critical patent/GB9809435D0/en
Priority to CA002251395A priority patent/CA2251395C/en
Priority to US09/178,699 priority patent/US6166998A/en
Publication of GB2336967A publication Critical patent/GB2336967A/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Withdrawn legal-status Critical Current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
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0644—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element
    • B06B1/0651—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element of circular shape
    • 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
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0644—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element
    • B06B1/0662—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface
    • B06B1/067—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface which is used as, or combined with, an impedance matching layer
    • 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
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0644—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element
    • B06B1/0662—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface
    • B06B1/0681—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface and a damping structure
    • B06B1/0685—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface and a damping structure on the back only of piezoelectric elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Transducers For Ultrasonic Waves (AREA)
GB9809435A 1997-10-24 1998-05-01 Piezoelectric transducer made from preformed mouldings of acoustic material around the vibrating element Withdrawn GB2336967A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB9809435A GB2336967A (en) 1998-05-01 1998-05-01 Piezoelectric transducer made from preformed mouldings of acoustic material around the vibrating element
CA002251395A CA2251395C (en) 1997-10-24 1998-10-26 Moulded transducer
US09/178,699 US6166998A (en) 1997-10-24 1998-10-26 Moulded transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9809435A GB2336967A (en) 1998-05-01 1998-05-01 Piezoelectric transducer made from preformed mouldings of acoustic material around the vibrating element

Publications (2)

Publication Number Publication Date
GB9809435D0 true GB9809435D0 (en) 1998-07-01
GB2336967A GB2336967A (en) 1999-11-03

Family

ID=10831377

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9809435A Withdrawn GB2336967A (en) 1997-10-24 1998-05-01 Piezoelectric transducer made from preformed mouldings of acoustic material around the vibrating element

Country Status (1)

Country Link
GB (1) GB2336967A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006046251A1 (en) * 2006-09-28 2008-04-03 Vega Grieshaber Kg Oscillating device e.g. fill lever measuring device, has tensioning unit mounted in diaphragm in contact region, in which drive device is tensioned against diaphragm, and another tensioning unit partially formed in drive device
CN106140593B (en) * 2015-04-20 2020-05-19 无锡德众超声技术有限公司 Ultrasonic transducer with vibration damping function

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3826799C2 (en) * 1988-08-06 1995-08-31 Teves Gmbh Alfred Ultrasonic transducer
GB2260059B (en) * 1991-09-27 1995-04-12 Federal Ind Ind Group Inc Acoustic transducer
GB2330724B (en) * 1997-10-24 2002-01-16 Federal Ind Ind Group Inc Method of manufacturing an electro-acoustic transducer

Also Published As

Publication number Publication date
GB2336967A (en) 1999-11-03

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