Method and apparatus for a portable public address system

Details Method and apparatus for a portable public address system Method and apparatus for a portable public address system

2005-09-20

2005-09-20

Pendleton, Brian T. (Department: 2644)

Electrical audio signal processing systems and devices

Megaphones

C381S082000

Reexamination Certificate

active

06947566

ABSTRACT:
An improved light weight, portable public address system configured with high fidelity omni-directional and high wattage directional speakers for both indoor and outdoor use with a wide variety of sound inputs assembled in a self-contained, compact housing. Optional systems provide for the remote deployment of up to two speakers and the use of a remote wireless microphone. Improved options include a unique compact configuration that allows for modular construction of all components for plug and play operation and rapid field replacement; a weatherproof housing for operation in inclement weather, and a tape player to provide prerecorded programming.

REFERENCES:
patent: 2983791 (1961-05-01), Menarik et al.
patent: 4237341 (1980-12-01), Richards
The PT-1 is the original model shown here in a company brochure. Date unknown. USA.
The Power-T model introduced in Feb. 1998.
Power T revision 2 model shown here.

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