Acoustics – Diaphragm and enclosure – Reflector baffle
Patent
1987-04-27
1989-06-06
Fuller, B. R.
Acoustics
Diaphragm and enclosure
Reflector baffle
181156, 181175, 181176, 181199, 381160, H05K 500
Patent
active
048363286
ABSTRACT:
An enclosure for a transduction element incorporates a geometrically shaped acoustically reflective shell. This acoustically reflective shell is shaped so that the inner surface thereof is at a least a section of that shape generated when a parabolic structure is rotated around a line which, lies in the plane of the parabolic structure, is perpendicular to the major axis of the parabolic structure. Such geomtrically generated shapes will have one distinct focal curve. A transduction element placed about this focal curve will, in operation, cause acoustic radiation to be produced which will be characterized by a plane wavefront of coherent radiation. Said device may alternately act as a transducer which produces a 360 degree beam width by placement of a plane wavefront producing transduction means at a position above the acoustically reflective shell and parallel to the plane of the distinct focal curve. Finally, by appropriate selection of transduction element and reflective shell composition, the device may operate as a transmitter or receiver of electromagnetic radiation.
REFERENCES:
patent: 1732722 (1929-10-01), Horn
patent: 2064911 (1936-12-01), Hayes
patent: 3007133 (1961-10-01), Padberg, Jr.
patent: 4421200 (1983-12-01), Ferralli et al.
patent: 4474258 (1984-10-01), Westlund
patent: 4588042 (1986-05-01), Palet et al.
patent: 4629030 (1986-12-01), Ferralli
LandOfFree
Omnidirectional acoustic transducer does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Omnidirectional acoustic transducer, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Omnidirectional acoustic transducer will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-33748