Loudspeaker enclosure system

Details Loudspeaker enclosure system Loudspeaker enclosure system

2005-05-03

2005-05-03

Hsieh, Shih-Yung (Department: 2837)

Acoustics

Sound-modifying means

Housing or enclosure

C181S148000, C181S151000, C181S155000, C181S156000

Reexamination Certificate

active

06886658

ABSTRACT:
The system consists of 2 large speakers (1A &1B), and 2 small full range speakers (2A &2B) having about half the active cone area as the large speakers, mounted in a dual chamber enclosure (3) with the large speaker (1A) mounted on an internal baffle (4) forming a partition for a large bass reflex chamber (3A), with the large speaker (1B) mounted in common direction thereto immediately in front thereof together with the 2 smaller speakers (2A &2B) mounted adjacent thereto on a front baffle (7) forming a small tympanic chamber (3B) by and with the large speakers (1A &1B) and small speaker (2B) electrically connected to operate in common acoustic phase to each other with the other small speaker (2A) connected to operate in opposing phase thereto.

REFERENCES:
patent: 4008374 (1977-02-01), Tiefenbrun
patent: 4213008 (1980-07-01), Helffrich
patent: 5430260 (1995-07-01), Koura et al.
patent: 5514841 (1996-05-01), Rochon
patent: 3740643 (1987-12-01), None
patent: 29804231 (1998-03-01), None
patent: 0188295 (1986-07-01), None
patent: 2663181 (1991-12-01), None
patent: 2256344 (1992-12-01), None
patent: 09187091 (1995-12-01), None

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