Dipole speaker headrests

H - Electricity – 04 – R

Patent

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Details

H04R 5/02 (2006.01) H04R 1/02 (2006.01)

Patent

CA 2262927

A sound reproduction unit comprises a central, head receiving portion (22) and opposite first (24) and second (26) ends. The first (24) and second (26) ends have opposed front and back surfaces. A first acoustic transducer (40) is mounted within the first end (24) and a second acoustic transducer (42) is mounted within the second end (26). First (54), second (58), third (56), and fourth (60) acoustically substantially transparent pathways are provided between the first transducer (40) and the front surface of the first end (24), the first transducer (40) and the back surface of the first end (24), the second transducer (42) and the front surface of the second end (26), and between the second transducer (42) and the back surface of the second end (26), respectively.

Unité de reproduction de son qui comporte une partie centrale (22) destinée à accueillir la tête et des première (24) et seconde (26) extrémités opposées. Les première (24) et seconde (26) extrémités possèdent des surfaces avant et arrière opposées. Un premier transducteur acoustique (40) est monté à l'intérieur de la première extrémité (24) et un second transducteur acoustique (42) est monté à l'intérieur de la seconde extrémité (26). Des première (54), deuxième (58), troisième (56) et quatrième (60) trajectoires pratiquement transparentes sur le plan acoustique sont produites respectivement entre le premier transducteur (40) et la surface avant de la première extrémité (24), le premier transducteur (40) et la surface arrière de la première extrémité (24), le second transducteur (42) et la surface avant de la seconde extrémité (26) et entre le second transducteur (42) et la surface arrière de la seconde extrémité (26).

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