American Technology Corporation Announces Allowance Of Patent On PureBass Subwoofer Technology

17-Dec-01

American Technology Corporation (NASDAQ: ATCO) announced the allowance of a key U.S. patent on its PureBass? extended range, band-pass, subwoofer technology. PureBass technology incorporates a novel acoustic filter system to reduce distortion while increasing the output capabilities relative to conventional woofer systems. It also provides a unique, seamless interface with all upper range satellite speaker systems. PureBass, originally developed to fill the desire for higher quality low frequency devices to match the company's high performance, Stratified FieldÆ and NeoPlanar? thin-film speaker technologies, offers improved performance with a wide variety of loudspeaker types and applications.Bob Todrank, Vice President Of Sales, Marketing, And Business Development for ATC, said, ""PureBass is a breakthrough in subwoofer technology, enabling the unique ability to improve low frequency performance while simultaneously reducing the system costs for a variety of consumer, commercial, and professional applications. The unique, patented design of PureBass is notable in the category of high powered, cone-based subwoofer technologies in that its unusually low distortion and impressive stop band behavior allow it to integrate in a surprisingly seamless manner, even with highly accurate thin-film planar speaker systems.""Jim Croft, Chief Technology Officer with ATC, continued, ""PureBass is a unique offering in the audio field that not only provides significant performance advantages but also increased design flexibility and a multitude of alignment options which enables the new subwoofer system to couple more effectively with all types of upper-range satellite speakers. Besides its performance advantages and ideal matching to our high performance thin-film systems, it also enables our licensees to improve the performance and significantly reduce the size and cost of their conventional satellite speaker systems when used with PureBass. Greater output, reduced size, higher reliability, lower distortion, and reduced system cost make this a valuable technology for our prospective licensees.""The company is marketing PureBass technology to OEM manufacturers and prospective licensees for a wide variety of consumer, automotive, commercial, and professional applications. The high quality sound, low distortion, potential for smaller, lower cost satellites, and greater flexibility in room placement while maintaining ideal sound field imaging makes PureBass an ideal complement to high quality home audio systems including home theatre and hi-fi subwoofer/satellite speaker applications. In-wall and custom home installations will benefit from the low distortion, smooth response, and flexible form factor. PureBass provides much greater output capability while removing audible distortion normally found to be problematic in conventional systems when used in high output applications. This distortion reduction is achieved through the use of multiple Helmholtz-reflex tunings to significantly reduce cone excursion and provide a specialized 30+ dB per octave acoustic filtering system.Mr. Todrank added, ""With the allowance of this key PureBass patent, we are now aggressively and selectively pursuing the more than 350 licensing inquiries we have received from global companies across all categories of the audio industry including stereo/hi-fi, home theatre, automotive, professional and commercial, free space and in-wall installations. Sample units are available and have already begun shipping to our prospective customers.""Terry Conrad, President of ATC commented, ""This is one of ATC's most valuable audio-related patents. We are now the recognized owner of the most effective low frequency reproduction method available for many applications. In addition to the patent coverage in the United States, our extensive worldwide applications will protect the technology abroad in order to ensure revenue when PureBass is manufactured and/or sold anywhere around the world. Prior to the allowance of this patent, the company granted PureBass licenses to three companies; we expect several models under a variety of brand names to enter the marketplace, adding to our revenues in 2002.""For more information about American Technology Corporation, visit www.atcsd.com.

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