EP1051058A3 - Piezoelektrisches Audiogerät und Verfahren zur Schallwiedergabe - Google Patents

Piezoelektrisches Audiogerät und Verfahren zur Schallwiedergabe Download PDF

Info

Publication number: EP1051058A3
Authority: EP; European Patent Office
Prior art keywords: response; audio device; sound production; compensate; order
Prior art date: 1999-05-07
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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

EP00106906A

Other languages

English (en)

French (fr)

Other versions

EP1051058A2 (de

Inventor

Juha Backman

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.)

Nokia Oyj

Original Assignee

Nokia Oyj

Nokia Inc

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.)

1999-05-07

Filing date

2000-03-31

Publication date

2004-09-29

2000-03-31 Application filed by Nokia Oyj, Nokia Inc filed Critical Nokia Oyj

2000-11-08 Publication of EP1051058A2 publication Critical patent/EP1051058A2/de

2004-09-29 Publication of EP1051058A3 publication Critical patent/EP1051058A3/de

Status Withdrawn legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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)

EP00106906A 1999-05-07 2000-03-31 Piezoelektrisches Audiogerät und Verfahren zur Schallwiedergabe Withdrawn EP1051058A3 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FI991061		1999-05-07
FI991061A FI114079B (fi)	1999-05-07	1999-05-07	Pietsosähköinen audiolaite ja menetelmä äänen tuottamiseen

Publications (2)

Publication Number	Publication Date
EP1051058A2 EP1051058A2 (de)	2000-11-08
EP1051058A3 true EP1051058A3 (de)	2004-09-29

Family

ID=8554626

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP00106906A Withdrawn EP1051058A3 (de)	1999-05-07	2000-03-31	Piezoelektrisches Audiogerät und Verfahren zur Schallwiedergabe

Country Status (3)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102015114242A1 (de)	2015-08-27	2017-03-02	USound GmbH	MEMS-Lautsprecher mit Positionssensor
DE102015114245B4 (de) *	2015-08-27	2025-04-17	USound GmbH	MEMS-Lautsprecher 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
EP3321933B1 (de) *	2016-11-14	2021-08-25	Goodix Technology (HK) Company Limited	Lineares resonanzaktuatorsteuergerät
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

Citations (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
GB1031145A (en) *	1963-06-26	1966-05-25	Philips Electronic Associated	Improvements in or relating to audio-frequency amplifiers
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
FR2755813A1 (fr) *	1996-11-14	1998-05-15	Alsthom Cge Alcatel	Combine telephonique

1999
- 1999-05-07 FI FI991061A patent/FI114079B/fi not_active IP Right Cessation
2000
- 2000-03-31 EP EP00106906A patent/EP1051058A3/de not_active Withdrawn
- 2000-05-02 JP JP2000138235A patent/JP2000333288A/ja active Pending

Patent Citations (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
GB1031145A (en) *	1963-06-26	1966-05-25	Philips Electronic Associated	Improvements in or relating to audio-frequency amplifiers
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
FR2755813A1 (fr) *	1996-11-14	1998-05-15	Alsthom Cge Alcatel	Combine telephonique

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 0090, no. 75 (E - 306) 4 April 1985 (1985-04-04) *

Also Published As

Publication number	Publication date
FI114079B (fi)	2004-07-30
FI991061A0 (fi)	1999-05-07
FI991061L (fi)	2000-11-08
EP1051058A2 (de)	2000-11-08
JP2000333288A (ja)	2000-11-30

Legal Events

Date	Code	Title	Description
2000-09-22	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2000-11-08	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
2000-11-08	AX	Request for extension of the european patent	Free format text: AL;LT;LV;MK;RO;SI
2002-03-13	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: NOKIA CORPORATION
2004-08-13	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
2004-09-29	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
2004-09-29	AX	Request for extension of the european patent	Extension state: AL LT LV MK RO SI
2005-06-15	AKX	Designation fees paid
2005-07-21	REG	Reference to a national code	Ref country code: DE Ref legal event code: 8566
2005-11-11	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2005-12-28	18D	Application deemed to be withdrawn	Effective date: 20050330

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JPS6133508B2 (de)	1986-08-02
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JPS6340958Y2 (de)	1988-10-26
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JPS6024051Y2 (ja)	1985-07-17	圧電型振動子
US1839137A (en)	1931-12-29	Telephonic loud-speaker
JPH03207199A (ja)	1991-09-10	圧電スピーカ
JPS5834878Y2 (ja)	1983-08-05	スピ−カ