Low frequency surface array

Electrical audio signal processing systems and devices – Having non-electrical feature – And loudspeaker

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C381S182000, C381S087000, C381S386000, C181S199000

Reexamination Certificate

active

07415124

ABSTRACT:
A low-frequency loudspeaker system based on a dipole principle. In some implementations, the system includes an open frame rigging system and multiple subwoofers mounted in a dipole surface array configuration in the open frame rigging system to produce controlled sound dispersion in both horizontal and vertical planes. The subwoofers are operable to produce low-frequency sound dispersion below about 300 Hz. The subwoofers mounted in the dipole configuration include a first set of subwoofers facing a first direction and a second set of subwoofers facing a second direction, in which the second direction is facing a direction that is 180 degrees with respect to the first direction. The second set of subwoofers are wired out-of-phase with respect to the first set of subwoofers to reduce non-liner distortion. The first and second sets of subwoofers are configured to concurrently move in a same direction when a signal is applied to the subwoofers.

REFERENCES:
patent: 2632055 (1953-03-01), Parker
patent: 5000286 (1991-03-01), Crawford et al.
patent: 5590214 (1996-12-01), Nakamura
patent: 5602366 (1997-02-01), Whelan et al.
patent: 6394223 (2002-05-01), Lehman
Weems, David B.,Designing, Building, and Testing Your Own Speaker System, 4thEdition, New York: McGraw-Hill, 1997.
Weems, David B., et al.,Great Sound Stereo Speaker Manual, Second Edition, New York: McGraw-Hill, 2000.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Low frequency surface array does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Low frequency surface array, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Low frequency surface array will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-4008223

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.