GB9703709D0 - Piezoelectric sounder - Google Patents

Piezoelectric sounder

Info

Publication number
GB9703709D0
GB9703709D0 GBGB9703709.7A GB9703709A GB9703709D0 GB 9703709 D0 GB9703709 D0 GB 9703709D0 GB 9703709 A GB9703709 A GB 9703709A GB 9703709 D0 GB9703709 D0 GB 9703709D0
Authority
GB
United Kingdom
Prior art keywords
piezoelectric sounder
sounder
piezoelectric
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.)
Granted
Application number
GBGB9703709.7A
Other versions
GB2322502A8 (en
GB2322502B (en
GB2322502A (en
Inventor
Kieron Chapman
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.)
Eaton Electrical Products Ltd
Original Assignee
Fulleon Synchrobell 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 Fulleon Synchrobell Ltd filed Critical Fulleon Synchrobell Ltd
Priority to GB9703709A priority Critical patent/GB2322502B/en
Priority to GB0030499A priority patent/GB2354903B/en
Publication of GB9703709D0 publication Critical patent/GB9703709D0/en
Publication of GB2322502A publication Critical patent/GB2322502A/en
Publication of GB2322502A8 publication Critical patent/GB2322502A8/en
Application granted granted Critical
Publication of GB2322502B publication Critical patent/GB2322502B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
    • G10K11/025—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators horns for impedance matching
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
    • G10K9/122—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using piezoelectric driving means
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/18—Details, e.g. bulbs, pumps, pistons, switches or casings
    • G10K9/22—Mountings; Casings

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
GB9703709A 1997-02-22 1997-02-22 Piezoelectric sounder Expired - Lifetime GB2322502B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9703709A GB2322502B (en) 1997-02-22 1997-02-22 Piezoelectric sounder
GB0030499A GB2354903B (en) 1997-02-22 1997-02-22 Piezoelectric sounder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9703709A GB2322502B (en) 1997-02-22 1997-02-22 Piezoelectric sounder

Publications (4)

Publication Number Publication Date
GB9703709D0 true GB9703709D0 (en) 1997-04-09
GB2322502A GB2322502A (en) 1998-08-26
GB2322502A8 GB2322502A8 (en) 1998-09-11
GB2322502B GB2322502B (en) 2001-03-07

Family

ID=10808131

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9703709A Expired - Lifetime GB2322502B (en) 1997-02-22 1997-02-22 Piezoelectric sounder
GB0030499A Expired - Lifetime GB2354903B (en) 1997-02-22 1997-02-22 Piezoelectric sounder

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0030499A Expired - Lifetime GB2354903B (en) 1997-02-22 1997-02-22 Piezoelectric sounder

Country Status (1)

Country Link
GB (2) GB2322502B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0019078D0 (en) * 2000-08-03 2000-09-27 Fulleon Ltd Sounder
JP6567462B2 (en) * 2016-05-19 2019-08-28 株式会社今仙電機製作所 Electronic horn
CN106248323B (en) * 2016-07-11 2019-10-29 重庆大学 Rotor damage detection method based on coupling Piezoelectric Impedance
JP6493929B2 (en) 2017-03-01 2019-04-03 株式会社今仙電機製作所 Electronic horn
WO2019092828A1 (en) * 2017-11-09 2019-05-16 株式会社今仙電機製作所 Electronic horn

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2102668A (en) * 1933-06-14 1937-12-21 Rca Corp Piezoelectric loudspeaker
US4190784A (en) * 1978-07-25 1980-02-26 The Stoneleigh Trust, Fred M. Dellorfano, Jr. & Donald P. Massa, Trustees Piezoelectric electroacoustic transducers of the bi-laminar flexural vibrating type
US4420706A (en) * 1979-01-15 1983-12-13 Molex Incorporated Connector assembly for a piezoelectric transducer
US4330729A (en) * 1980-07-30 1982-05-18 General Electric Company Locking support arrangement for a flexible sound-generating diaphragm
US4429247A (en) * 1982-01-28 1984-01-31 Amp Incorporated Piezoelectric transducer supporting and contacting means
GB2145905B (en) * 1983-08-31 1987-05-07 Kobishi Electric Co Ltd Audible warning device
DE68919100T2 (en) * 1988-03-17 1995-03-09 Tdk Corp Piezoelectric buzzer and process for its production.
US4979219A (en) * 1989-03-14 1990-12-18 Lin Kuang Yao Piezoelectric speakers

Also Published As

Publication number Publication date
GB0030499D0 (en) 2001-01-31
GB2322502A8 (en) 1998-09-11
GB2354903A (en) 2001-04-04
GB2322502B (en) 2001-03-07
GB2322502A (en) 1998-08-26
GB2354903B (en) 2001-05-16

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20170221