Audio speaker

Details Audio speaker Audio speaker

1999-05-04

2000-11-28

Dang, Khanh

Acoustics

Diaphragm and enclosure

Reflector baffle

181199, 181144, H05K 500

Patent

active

061522570

ABSTRACT:
A high-fidelity (hi-fi) stereo speaker (110) having a three-sided pyramidal-like cabinet (112) with pyramid-like reflectors (118, 120) that reflect sound through openings (124, 126) in three sidewalls (122A, 122B) of the cabinet (112). The speaker (110) includes a tweeter (114) and woofer (116), and optionally a midrange (128) mounted in the cabinet (112) between the tweeter (116) and woofer (116). The tweeter (114) faces upward to reflect sound off one of the reflectors (118) that faces downwardly from near the top of the cabinet (112). The woofer (116) faces downwardly, firing at one of the reflectors (120) that faces upwardly from near the bottom of the cabinet (112). The speaker (110) is configured to deliver sound through each of the three sidewalls (122A, 122B) of the cabinet (112), i.e., in three directions roughly 120 degrees apart--rearward from the speaker (110) through a sidewall (122B) designated as the backwall, and 60 degrees to either side of a forward direction from the front of the speaker (110).

REFERENCES:
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patent: 4876723 (1989-10-01), Fang
patent: 4991688 (1991-02-01), Kery et al.
patent: 5086871 (1992-02-01), Barbe
patent: 5115882 (1992-05-01), Woody
patent: 5418336 (1995-05-01), Negishi et al.

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