Means for compensating rear sound effect

Details Means for compensating rear sound effect Means for compensating rear sound effect

2006-01-03

2006-01-03

Grier, Laura A. (Department: 2644)

Electrical audio signal processing systems and devices

Binaural and stereophonic

Stereo speaker arrangement

C381S074000, C381S017000, C381S300000

Reexamination Certificate

active

06983054

ABSTRACT:
Means for compensating rear sound effect, comprising a headphone-like or an earphone-like device with rear speakers carried therein, the headphone-like or earphone-like device including an opening for receiving the front speaker signal, wherein the headphone-like or the earphone-like device includes a housing for receiving the rear speakers, wherein the housings opposite each other, the two housings being joined by a headband, to compose the headphone-like structure; an input plug with conductive wire connected to the housing; and wherein the earphone-like or headphone-like device cannot cover the whole ear for receiving the sound from the front speakers and sub-woofer speaker, the opening allowing the ears to listen the sound from the front speakers, the rear speakers being respectively located on both sides of the earphone-like or headphone-like device to provide virtual speaker of rear side without losing rear bass.

REFERENCES:
patent: 6144747 (2000-11-01), Scofield et al.
patent: 6169806 (2001-01-01), Kimura et al.
patent: 6356644 (2002-03-01), Pollak
patent: 2003/0083024 (2003-05-01), Richenstein et al.
patent: 2003/0103637 (2003-06-01), Huang
patent: 2004/0109576 (2004-06-01), You et al.
patent: 2004/0218775 (2004-11-01), Huang

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