FI114079B - Piezoelectric audio device and method of sound production - Google Patents

Piezoelectric audio device and method of sound production

Info

Publication number
FI114079B
FI114079B FI991061A FI991061A FI114079B FI 114079 B FI114079 B FI 114079B FI 991061 A FI991061 A FI 991061A FI 991061 A FI991061 A FI 991061A FI 114079 B FI114079 B FI 114079B
Authority
FI
Finland
Prior art keywords
audio device
sound production
piezoelectric audio
piezoelectric
sound
Prior art date
Application number
FI991061A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI991061A0 (en
FI991061A (en
Inventor
Juha Backman
Original Assignee
Nokia Corp
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 Nokia Corp filed Critical Nokia Corp
Priority to FI991061A priority Critical patent/FI114079B/en
Publication of FI991061A0 publication Critical patent/FI991061A0/en
Priority to EP00106906A priority patent/EP1051058A3/en
Priority to JP2000138235A priority patent/JP2000333288A/en
Publication of FI991061A publication Critical patent/FI991061A/en
Application granted granted Critical
Publication of FI114079B publication Critical patent/FI114079B/en

Links

Classifications

    • 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

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Circuit For Audible Band Transducer (AREA)
FI991061A 1999-05-07 1999-05-07 Piezoelectric audio device and method of sound production FI114079B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI991061A FI114079B (en) 1999-05-07 1999-05-07 Piezoelectric audio device and method of sound production
EP00106906A EP1051058A3 (en) 1999-05-07 2000-03-31 Piezoelectric audio device and method for sound production
JP2000138235A JP2000333288A (en) 1999-05-07 2000-05-02 Piezoelectric audible unit and sound generating method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI991061A FI114079B (en) 1999-05-07 1999-05-07 Piezoelectric audio device and method of sound production

Publications (3)

Publication Number Publication Date
FI991061A0 FI991061A0 (en) 1999-05-07
FI991061A FI991061A (en) 2000-11-08
FI114079B true FI114079B (en) 2004-07-30

Family

ID=8554626

Family Applications (1)

Application Number Title Priority Date Filing Date
FI991061A FI114079B (en) 1999-05-07 1999-05-07 Piezoelectric audio device and method of sound production

Country Status (3)

Country Link
EP (1) EP1051058A3 (en)
JP (1) JP2000333288A (en)
FI (1) FI114079B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106488366A (en) * 2015-08-27 2017-03-08 悠声股份有限公司 There is the MEMS speaker of position sensor

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015114245A1 (en) * 2015-08-27 2017-03-02 USound GmbH MEMS sound transducer with closed control system
GB2542119B (en) * 2015-09-07 2018-08-29 Jaguar Land Rover Ltd Multi-function transducer assembly and system
GB2547919B (en) * 2016-03-02 2019-08-21 Arm Ip Ltd Proximity authentication protocol
EP3907734B1 (en) 2016-11-14 2022-11-02 Goodix Technology (HK) Company Limited Linear resonant actuator controller
KR102570630B1 (en) * 2018-11-01 2023-08-25 주식회사 아모텍 Proximity sensor for bezel-less type electronic device
CN113365192A (en) * 2020-03-06 2021-09-07 华为技术有限公司 Piezoelectric speaker and electronic apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2860183A (en) * 1954-02-01 1958-11-11 Conrad Ivan Willard Sound reproducing system
NL294600A (en) * 1963-06-26
JPS59209000A (en) * 1983-05-13 1984-11-27 Shigeru Tsutsumi Audiphone
US4709360A (en) * 1985-11-12 1987-11-24 Sparton Corporation Hydrophone transducer with negative feedback system
US5488954A (en) * 1994-09-09 1996-02-06 Georgia Tech Research Corp. Ultrasonic transducer and method for using same
FR2755813B1 (en) * 1996-11-14 1998-12-11 Alsthom Cge Alcatel HANDSET

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106488366A (en) * 2015-08-27 2017-03-08 悠声股份有限公司 There is the MEMS speaker of position sensor
CN106488366B (en) * 2015-08-27 2020-11-03 悠声股份有限公司 MEMS speaker with position sensor

Also Published As

Publication number Publication date
JP2000333288A (en) 2000-11-30
FI991061A0 (en) 1999-05-07
EP1051058A3 (en) 2004-09-29
FI991061A (en) 2000-11-08
EP1051058A2 (en) 2000-11-08

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Legal Events

Date Code Title Description
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