Electrical audio signal processing systems and devices – Binaural and stereophonic – Stereo speaker arrangement
Reexamination Certificate
2005-09-13
2005-09-13
Woo, Stella (Department: 2643)
Electrical audio signal processing systems and devices
Binaural and stereophonic
Stereo speaker arrangement
C381S310000, C381S374000, C381S380000
Reexamination Certificate
active
06944309
ABSTRACT:
A headphone system includes a headphone; and a signal processing circuit for outputting an acoustic signal to the headphone. The headphone includes a first speaker and a third speaker for a right ear of a listener, a second speaker and a fourth speaker for a left ear of the listener, and a support for supporting the first through fourth speakers so that the first and second speakers are located forward with respect to a vertical plane including a straight line connecting the hole of the right ear and the hole of the left ear of the listener, the second and fourth speakers are located rearward with respect to the vertical plane, and the first through fourth speakers are out of contact with the right ear and the left ear of the listener.
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Copy of Korean Office Action dated May 27, 2003.
Hamanaka Hiroshi
Hashimoto Hiroyuki
Kakuhari Isao
Terai Kenichi
Matsushita Electric - Industrial Co., Ltd.
Snella & Wilmer L.L.P.
Woo Stella
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