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You can use Global Patent Index (GPI) to carry out detailed searches in the EPO's worldwide bibliographic (DOCDB), legal event (INPADOC) and full-text data sets, and download or visualise the search results for statistical analysis.

Current content: 157 337 350 patent documents

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219 431 new documents added

1 247 852 documents amended

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EP 3506650 B1 20200401 - MICROPHONE ARRAY

Title (en)

MICROPHONE ARRAY

Title (de)

MIKROPHONANORDNUNG

Title (fr)

RESEAU DE MICROPHONES

Publication

EP 3506650 B1 20200401 (EN)

Application

EP 19157791 A 20141010

Priority

EP 19157791 A 20141010
EP 14188463 A 20141010

Abstract (en)

[origin: EP3007461A1] A spherical microphone array may include a sound-diffracting structure that has a closed three-dimensional shape with a surface surrounding the shape and at least two differential microphones mounted flush on the surface of the sound-diffracting structure.

IPC 8 full level

H04R 1/40 (2006.01); H04R 5/027 (2006.01); H04R 1/38 (2006.01); H04R 3/00 (2006.01)

CPC (source: EP)

H04R 1/406 (2013.01); H04R 5/027 (2013.01); H04R 1/38 (2013.01); H04R 3/005 (2013.01); H04R 2201/401 (2013.01)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

EP 3007461 A1 20160413; EP 3007461 B1 20190227; EP 3506650 A1 20190703; EP 3506650 B1 20200401

DOCDB simple family (application)

EP 14188463 A 20141010; EP 19157791 A 20141010