Electrical audio signal processing systems and devices – Electro-acoustic audio transducer
Patent
1997-11-25
1998-10-20
Le, Huyen
Electrical audio signal processing systems and devices
Electro-acoustic audio transducer
381156, 381159, 181152, H04R 2500
Patent
active
058259007
ABSTRACT:
A loudspeaker housing for a video display appliance including a front housing to which a loudspeaker is engaged and a rear housing is disclosed. According to the present invention, the front housing has a main channel and a pair of subsidiary channels, the main channel being coupled with a loudspeaker. The rear housing has a pair of ducts for collecting sounds produced rearwardly from the loudspeaker and guiding the sounds to the subsidiary channels of the front housing. Each one end of the ducts is inserted into the respective subsidiary channel of the front housing, and each of the other ends is positioned within the rear housing, with the other ends being opened. And, the subsidiary channel of the front housing and the respective duct form an acoustic horn so that sound produced rearwardly from the loudspeaker is resonated at special frequency.
REFERENCES:
patent: 5513270 (1996-04-01), Lewis
patent: 5524062 (1996-06-01), Oh
patent: 5604337 (1997-02-01), Sugimoto et al.
Le Huyen
LG Electronics Inc.
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