Arrayable two-way loudspeaker system and method

Details Arrayable two-way loudspeaker system and method Arrayable two-way loudspeaker system and method

1997-08-19

2000-06-27

Chang, Vivian

Electrical audio signal processing systems and devices

Including frequency control

Having crossover filter

381 98, 381182, H03G 500

Patent

active

060816023

ABSTRACT:
An arrayable loudspeaker system having a horn-loaded high frequency compression driver and a low frequency cone driver radiates acoustic energy from a focal point in a polar radiation pattern having amplitude and phase and includes a signal conditioning circuit for amplitude equalization and phase correction. The horn of the system's horn-loaded compression driver is designed in cooperation with the signal conditioning circuit such that the focal point of the loudspeaker system is substantially frequency independent over the operating frequency range of the loudspeaker system and such that over this operating frequency range the loudspeaker's focal point remains substantially fixed in space. Any two or more of such loudspeaker systems can be arrayed by aligning them in respect to their frequency independent focal points and by rotating the loudspeakers about an axis passing through the aligned focal points to obtain a desired coverage. To facilitate alignment, suitable visual or mechanical indicators or locators can be placed on the tops and bottoms of the arrayable loudspeaker systems.

REFERENCES:
patent: 4227050 (1980-10-01), Wilson
patent: 4348750 (1982-09-01), Schwind
patent: 4554414 (1985-11-01), House
patent: 5590214 (1996-12-01), Nakamura

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