Global Patent Index - EP 0737022 B1

EP 0737022 B1 2000-05-31 - Device for noise reduction

Title (en)

Device for noise reduction

Title (de)

Einrichtung zur Verminderung von Störschall

Title (fr)

Dispositif de réduction du bruit

Publication

EP 0737022 B1 (DE)

Application

EP 96104496 A

Priority

DE 19513111 A

Abstract (en)

[origin: EP0737022A2] The noise compensation device has a microphone (5) detecting the background noise, coupled to a compensation circuit (6) providing a signal for an electroacoustic transducer (7) used for noise compensation. The microphone has a compensation element (9) extending across its sound wave entry aperture (8), for reducing the effect of sound reflection at the ear. Pref. the microphone and the electroacoustic transducer face in the same direction and lie along a common centre axis.

IPC 1-7 (main, further and additional classification)

H04R 3/00

IPC 8 full level (invention and additional information)

H04R 3/00 (2006.01)

CPC (invention and additional information)

H04R 3/00 (2013.01)

Designated contracting state (EPC)

CH DE FR GB LI NL SE

EPO simple patent family

EP 0737022 A2 19961009; EP 0737022 A3 19970730; EP 0737022 B1 20000531; DE 19513111 A1 19961010; US 6122383 A 20000919

INPADOC legal status


2016-05-03 [REG SE EUG] EUROPEAN PATENT HAS LAPSED

2016-04-29 [PG25 GB] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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- Free text: LAPSE BECAUSE OF EXPIRATION OF PROTECTION

- Effective date: 20160320

2016-04-13 [REG GB PE20] PATENT EXPIRED AFTER TERMINATION OF 20 YEARS

- Expiry date: 20160320

2016-03-21 [REG DE R071] EXPIRY OF RIGHT

- Document: DE 59605337

2015-05-29 [PGFP GB] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

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2015-03-19 [REG FR PLFP] FEE PAYMENT

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2005-11-15 [REG CH PL] PATENT CEASED

2005-03-31 [PG25 CH] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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- Free text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

- Effective date: 20050331

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- Year of fee payment: 9

2002-01-01 [REG GB IF02] EUROPEAN PATENT IN FORCE AS OF 2002-01-01

2001-05-16 [26N] NO OPPOSITION FILED

2000-11-01 [NLV1] NL: LAPSED OR ANNULLED DUE TO FAILURE TO FULFILL THE REQUIREMENTS OF ART. 29P AND 29M OF THE PATENTS ACT

2000-07-21 [ET] FR: TRANSLATION FILED

2000-07-06 [REF] CORRESPONDS TO:

- Document: DE 59605337 20000706

2000-06-21 [GBT] GB: TRANSLATION OF EP PATENT FILED (GB SECTION 77(6)(A)/1977)

- Effective date: 20000531

2000-06-15 [REG CH NV] NEW AGENT

- Representative's name: PATENTANWAELTE SCHAAD, BALASS, MENZL & PARTNER AG

2000-05-31 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: B1

- Designated State(s): CH DE FR GB LI NL SE

2000-05-31 [REG CH EP] ENTRY IN THE NATIONAL PHASE

2000-05-31 [PG25 NL] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

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- Free text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

- Effective date: 20000531

1998-02-04 [17Q] FIRST EXAMINATION REPORT

- Effective date: 19971219

1998-01-28 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: SENNHEISER ELECTRONIC GMBH & CO. KG

1997-11-19 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19970910

1997-07-30 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A3

- Designated State(s): CH DE FR GB LI NL SE

1996-10-09 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A2

- Designated State(s): CH DE FR GB LI NL SE