GB2441369B - Piezoelectric speaker - Google Patents

Piezoelectric speaker

Info

Publication number
GB2441369B
GB2441369B GB0707907A GB0707907A GB2441369B GB 2441369 B GB2441369 B GB 2441369B GB 0707907 A GB0707907 A GB 0707907A GB 0707907 A GB0707907 A GB 0707907A GB 2441369 B GB2441369 B GB 2441369B
Authority
GB
United Kingdom
Prior art keywords
piezoelectric speaker
piezoelectric
speaker
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
GB0707907A
Other versions
GB2441369A (en
GB0707907D0 (en
Inventor
Su-Pei Yang
Ing-Ming Lai
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
Original Assignee
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
Publication of GB0707907D0 publication Critical patent/GB0707907D0/en
Publication of GB2441369A publication Critical patent/GB2441369A/en
Application granted granted Critical
Publication of GB2441369B publication Critical patent/GB2441369B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/025—Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
GB0707907A 2006-09-04 2007-04-24 Piezoelectric speaker Expired - Fee Related GB2441369B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0617386.8A GB0617386D0 (en) 2006-09-04 2006-09-04 Piezoelectric speaker

Publications (3)

Publication Number Publication Date
GB0707907D0 GB0707907D0 (en) 2007-05-30
GB2441369A GB2441369A (en) 2008-03-05
GB2441369B true GB2441369B (en) 2009-01-07

Family

ID=37137297

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0617386.8A Ceased GB0617386D0 (en) 2006-09-04 2006-09-04 Piezoelectric speaker
GB0707907A Expired - Fee Related GB2441369B (en) 2006-09-04 2007-04-24 Piezoelectric speaker

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0617386.8A Ceased GB0617386D0 (en) 2006-09-04 2006-09-04 Piezoelectric speaker

Country Status (1)

Country Link
GB (2) GB0617386D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204377130U (en) * 2015-01-06 2015-06-03 瑞声精密电子沭阳有限公司 Sound-producing device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07274299A (en) * 1995-04-27 1995-10-20 Murata Mfg Co Ltd Manufacture of piezoelectric sounder

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07274299A (en) * 1995-04-27 1995-10-20 Murata Mfg Co Ltd Manufacture of piezoelectric sounder

Also Published As

Publication number Publication date
GB2441369A (en) 2008-03-05
GB0707907D0 (en) 2007-05-30
GB0617386D0 (en) 2006-10-11

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20140424