Global Patent Index - EP 1542502 A3

EP 1542502 A3 20090422 - Headphone with surround-sound effect

Title (en)

Headphone with surround-sound effect

Title (de)

Kopfhörer mit Raumklangwirkung

Title (fr)

Casque d'écoute à effet spatial

Publication

EP 1542502 A3 20090422 (DE)

Application

EP 04029072 A 20041208

Priority

DE 10358141 A 20031210

Abstract (en)

[origin: EP1542502A2] The device has two sound transducers (3,17;7,8) per hearing capsule (1,6) for left and right arranged non-centrally relative to the normal central sound transducer position in front of the ear canal and a sound signal feed device (9-11,16) for supplying the sound transducers with stereo sound signals and for conditioning the signals relative to each other in relation to phase angle and/or level so that an original signal is fed to one of the two sound transducers while the other signal is fed to the other transducer with phase rotated and/or level reduced.

IPC 8 full level

H04S 3/00 (2006.01); H04R 5/033 (2006.01); H04S 5/00 (2006.01)

CPC (source: EP)

H04R 5/033 (2013.01); H04S 3/004 (2013.01); H04S 5/005 (2013.01); H04S 2400/01 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA HR LV MK YU

DOCDB simple family (publication)

EP 1542502 A2 20050615; EP 1542502 A3 20090422; CN 1681358 A 20051012; DE 10358141 A1 20050721

DOCDB simple family (application)

EP 04029072 A 20041208; CN 200410094250 A 20041210; DE 10358141 A 20031210