FI114079B - Pietsosähköinen audiolaite ja menetelmä äänen tuottamiseen - Google Patents

Pietsosähköinen audiolaite ja menetelmä äänen tuottamiseen

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
English (en)
Swedish (sv)
Other versions
FI991061A (fi
FI991061A0 (fi
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/fi
Publication of FI991061A0 publication Critical patent/FI991061A0/fi
Priority to EP00106906A priority patent/EP1051058A3/en
Priority to JP2000138235A priority patent/JP2000333288A/ja
Publication of FI991061A publication Critical patent/FI991061A/fi
Application granted granted Critical
Publication of FI114079B publication Critical patent/FI114079B/fi

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 Pietsosähköinen audiolaite ja menetelmä äänen tuottamiseen FI114079B (fi)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI991061A FI114079B (fi) 1999-05-07 1999-05-07 Pietsosähköinen audiolaite ja menetelmä äänen tuottamiseen
EP00106906A EP1051058A3 (en) 1999-05-07 2000-03-31 Piezoelectric audio device and method for sound production
JP2000138235A JP2000333288A (ja) 1999-05-07 2000-05-02 圧電型可聴装置および音響発生方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI991061A FI114079B (fi) 1999-05-07 1999-05-07 Pietsosähköinen audiolaite ja menetelmä äänen tuottamiseen

Publications (3)

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

Family

ID=8554626

Family Applications (1)

Application Number Title Priority Date Filing Date
FI991061A FI114079B (fi) 1999-05-07 1999-05-07 Pietsosähköinen audiolaite ja menetelmä äänen tuottamiseen

Country Status (3)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106488366A (zh) * 2015-08-27 2017-03-08 悠声股份有限公司 具有位置传感器的mems扬声器

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015114245A1 (de) * 2015-08-27 2017-03-02 USound GmbH MEMS-Schallwandler mit geschlossenem Regelsystem
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 (ko) * 2018-11-01 2023-08-25 주식회사 아모텍 베젤리스 전자장치용 근접 센서
CN113365192A (zh) * 2020-03-06 2021-09-07 华为技术有限公司 压电扬声器和电子设备

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 (fi) * 1963-06-26
JPS59209000A (ja) * 1983-05-13 1984-11-27 Shigeru Tsutsumi 聴音器
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 (fr) * 1996-11-14 1998-12-11 Alsthom Cge Alcatel Combine telephonique

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106488366A (zh) * 2015-08-27 2017-03-08 悠声股份有限公司 具有位置传感器的mems扬声器
CN106488366B (zh) * 2015-08-27 2020-11-03 悠声股份有限公司 具有位置传感器的mems扬声器

Also Published As

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

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