Noise abatement device
OwnerStanley Lynn Marquissinventor
Life of this patent
Estimating the term…
Abstract
A device and method for minimizing noise particularly adjacent a source such as a highway. A plurality of transducers (10) are oriented in a specific alignment and driven in a sequence which sends corrective pressure waves so that the noise emanating from the source will be modified upon coaction with the corrective pressure waves emanating from each transducer (10). The transducers (10) themselves include at least one pair of diaphragms (60) that are adapted to move in a arc thereby sending a pulse out from the transducers (10).
Claims24
A device for abating traffic noise, comprising, in combination:
- a plurality of transducers oriented in an array strategically placed proximate a source of noise pollution and physically detached therefrom,
- means in each said transducer to alter a pressure wave emanating from said source and for selective projection of certain waves from each transducer to correlate with portions of the noise being treated, and
- means coupled to each transducer for orchestrating a sequence in which plural said transducers are enabled.
A method for abating traffic noise pollution, the steps including;
- determining a signature of the traffic noise pollution,
- determining a radiating pattern of the traffic noise pollution,
- orienting an array of transducers strategically adjacent a highway carrying said traffic for meeting a pressure wave which emanates from the traffic, and
- projecting an active pressure wave from the array of transducers to meet with the pressure wave of the traffic noise pollution to alter the profile of the traffic noise pollution produced by vehicles on said highway.
A transducer for use in attenuating a noise pressure wave emanating from a source comprising in combination:
- means for supporting said transducer adjacent a highway,
- means formed with the transducer and including at least one diaphragm for inducing a corrective pressure wave,
- means for orienting the corrective pressure wave from the transducer towards the source of noise, and
- means for altering a characteristic of the corrective pressure wave emanating form the transducer specific to a signature of the noise pressure wave emanating from the source of noise.
A transducer for use in attenuating a noise pressure wave emanating from a source comprising in combination:
- means formed with the transducer for inducing a corrective pressure wave,
- means for orienting the corrective pressure wave from the transducer towards the source of noise, and
- means for altering a characteristic of the corrective pressure wave emanating from the transducer specific to a signature of the noise pressure wave emanating from the source of noise,
- said means for inducing a corrective pressure wave includes at least one diaphragm,
- said diaphragm has drive means operatively coupled thereto,
- said drive means includes at least one current carrying coil operatively coupled to a drive rod which in turn is operatively coupled to said diaphragm,
- said drive means further includes means for providing a constant magnetic field in which said coil is located, and
- means for supporting said transducer adjacent a highway.
A method for abating noise pollution, the steps including;
- determining a signature of the source of noise pollution,
- determining a radiating pattern of the source of noise pollution,
- orienting an array of transducers strategically adjacent the source of noise pollution for meeting a pressure wave which emanates from the source of noise pollution,
- projecting an active pressure wave from the array of transducers to meet with the pressure wave of the source of noise pollution to alter the profile of the noise pollution, and
- orienting the transducers adjacent a highway and directing the active pressure waves to oppose vehicular highway noise.
A transducer for use in attenuating a noise pressure wave emanating from a source comprising in combination:
- means formed with the transducer for inducing a corrective pressure wave,
- means for orienting the corrective pressure wave from the transducer towards the source of noise,
- means for altering a characteristic of the corrective pressure wave emanating from the transducer specific to a signature of the noise pressure wave emanating from the source of noise, and
- means for supporting said transducer adjacent a highway.
A device for abating noise, comprising, in combination:
- a plurality of transducers oriented in an array strategically placed adjacent a source of noise pollution,
- means in each said transducer to alter a pressure wave emanating from a source of the noise pollution, and
- means coupled to each transducer for orchestrating a sequence in which plural said transducers are enabled,
- means in each said transducer for selective projection of certain waves from each said transducer to correlate with portions of the noise to be treated,
- said plurality of said transducers are oriented in a single row adjacent a highway thereby defining said array with every other transducer in said single row in phase and the remaining transducers 180.degree. out of phase to oppose vehicular noise on the highway.
A device for abating noise produced by a moving object travelling in a path and causing pressure waves which carry audible sound, comprising in combination:
- a plurality of pressure wave producing transducers oriented in a static array strategically placed proximate said path and physically detached from said moving object, to produce a sequence of pressure waves which alter said pressure waves caused by said moving object to thereby abate said noise.
A method for abating noise produced by a moving object travelling in a path and generating a pressure wave carrying audible noise, comprising the steps of:
- a. producing a series of pressure waves from a location proximate said path and physically detached from said object;
- and,
- b. sequencing said series of said waves in cooperating phase relationships, so as to alter the pressure waves generated by said moving object, thereby abating said noise.
Dependencies are inferred from the claim text.