Patents by Inventor Charles M. Sprinkle
Charles M. Sprinkle has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9924249Abstract: A horn for use with a loudspeaker may include an entrance disposed at a first axial end of the horn and configured to receive a driver. A mouth may be disposed at a second axial end of the horn opposite the entrance. A contoured surface may extend between the entrance and the mouth. A cross sectional shape of a coverage pattern of audible sound emitted by the loudspeaker coupled with the horn may be independent of a shape of the entrance and a shape of the mouth.Type: GrantFiled: February 22, 2016Date of Patent: March 20, 2018Assignee: Harman International Industries, IncorporatedInventor: Charles M. Sprinkle
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Patent number: 9591397Abstract: A loudspeaker mounting assembly includes a frame, a sleeve, and a tilt-angle adjustment mechanism. The frame may include an outer frame, an inner frame rotatable about a frame axis relative to the outer frame, and a frame wall extending away from a rear side. The sleeve is coupled to the inner frame at a pivot axis and is tiltable to a plurality of tilt angles relative to the inner frame. The tilt-angle adjustment mechanism is engageable with the sleeve to enable selection of a desired tilt angle. A loudspeaker may be mounted to the sleeve such that the loudspeaker may be swiveled about the frame axis and tilted about the pivot axis.Type: GrantFiled: September 10, 2014Date of Patent: March 7, 2017Assignee: Harman International Industries, IncorporatedInventor: Charles M. Sprinkle
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Patent number: 9386361Abstract: A horn for use with a loudspeaker may include an entrance disposed at a first axial end of the horn and configured to receive a driver. A mouth may be disposed at a second axial end of the horn opposite the entrance. A contoured surface may extend between the entrance and the mouth. A cross sectional shape of a coverage pattern of audible sound emitted by the loudspeaker coupled with the horn may be independent of a shape of the entrance and a shape of the mouth.Type: GrantFiled: January 8, 2013Date of Patent: July 5, 2016Assignee: Harman International Industries, IncorporatedInventor: Charles M. Sprinkle
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Publication number: 20160173975Abstract: A horn for use with a loudspeaker may include an entrance disposed at a first axial end of the horn and configured to receive a driver. A mouth may be disposed at a second axial end of the horn opposite the entrance. A contoured surface may extend between the entrance and the mouth. A cross sectional shape of a coverage pattern of audible sound emitted by the loudspeaker coupled with the horn may be independent of a shape of the entrance and a shape of the mouth.Type: ApplicationFiled: February 22, 2016Publication date: June 16, 2016Inventor: Charles M. Sprinkle
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Publication number: 20150014089Abstract: A horn for use with a loudspeaker may include an entrance disposed at a first axial end of the horn and configured to receive a driver. A mouth may be disposed at a second axial end of the horn opposite the entrance. A contoured surface may extend between the entrance and the mouth. A cross sectional shape of a coverage pattern of audible sound emitted by the loudspeaker coupled with the horn may be independent of a shape of the entrance and a shape of the mouth.Type: ApplicationFiled: January 8, 2013Publication date: January 15, 2015Applicant: HARMAN INTERNATIONAL INDUSTRIES, INCORPORATEDInventor: Charles M. Sprinkle
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Publication number: 20130022229Abstract: A loudspeaker mounting assembly includes a frame, a sleeve, and a tilt-angle adjustment mechanism. The frame may include an outer frame, an inner frame rotatable about a frame axis relative to the outer frame, and a frame wall extending away from a rear side. The sleeve is coupled to the inner frame at a pivot axis and is tiltable to a plurality of tilt angles relative to the inner frame. The tilt-angle adjustment mechanism is engageable with the sleeve to enable selection of a desired tilt angle. A loudspeaker may be mounted to the sleeve such that the loudspeaker may be swiveled about the frame axis and tilted about the pivot axis.Type: ApplicationFiled: July 16, 2012Publication date: January 24, 2013Applicant: Harman International Industries, IncorporatedInventor: Charles M. Sprinkle
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Patent number: 8224014Abstract: A loudspeaker mounting assembly includes a frame, a sleeve, and a tilt-angle adjustment mechanism. The frame may include an outer frame, an inner frame rotatable about a frame axis relative to the outer frame, and a frame wall extending away from a rear side. The sleeve is coupled to the inner frame at a pivot axis and is tiltable to a plurality of tilt angles relative to the inner frame. The tilt-angle adjustment mechanism is engageable with the sleeve to enable selection of a desired tilt angle. A loudspeaker may be mounted to the sleeve such that the loudspeaker may be swiveled about the frame axis and tilted about the pivot axis.Type: GrantFiled: April 5, 2007Date of Patent: July 17, 2012Assignee: Harman International Industries, IncorporatedInventor: Charles M. Sprinkle
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Patent number: 7450729Abstract: One embodiment of a low-profile transducer includes a at least one fin perpendicularly mounted on a planar diaphragm, with a voice coil mounted onto the fin. The voice coil may reside in a strong uniform magnetic field. The locations at which the diaphragm is connected to a frame may be coplanar with a center of mass of the diaphragm. The three-dimensional structure of diaphragm and fins may be formed using origami techniques.Type: GrantFiled: April 9, 2004Date of Patent: November 11, 2008Assignee: Harman International Industries, IncorporatedInventors: An Duc Nguyen, Charles M. Sprinkle
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Publication number: 20080247593Abstract: A loudspeaker mounting assembly includes a frame, a sleeve, and a tilt-angle adjustment mechanism. The frame may include an outer frame, an inner frame rotatable about a frame axis relative to the outer frame, and a frame wall extending away from a rear side. The sleeve is coupled to the inner frame at a pivot axis and is tiltable to a plurality of tilt angles relative to the inner frame. The tilt-angle adjustment mechanism is engageable with the sleeve to enable selection of a desired tilt angle. A loudspeaker may be mounted to the sleeve such that the loudspeaker may be swiveled about the frame axis and tilted about the pivot axis.Type: ApplicationFiled: April 5, 2007Publication date: October 9, 2008Applicant: Harman International Industries, IncorporatedInventor: Charles M. Sprinkle
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Patent number: 7412065Abstract: One embodiment of a low-profile transducer includes a at least one fin perpendicularly mounted on a planar diaphragm, with a voice coil mounted onto the fin. The voice coil may reside in a strong uniform magnetic field. The locations at which the diaphragm is connected to a frame may be coplanar with a center of mass of the diaphragm. The three-dimensional structure of diaphragm and fins may be formed using origami techniques.Type: GrantFiled: April 9, 2004Date of Patent: August 12, 2008Assignee: Harman International Industries, IncorporatedInventors: An Duc Nguyen, Charles M. Sprinkle
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Patent number: 7333620Abstract: One embodiment of a low-profile transducer includes a at least one fin perpendicularly mounted on a planar diaphragm, with a voice coil mounted onto the fin. The voice coil may reside in a strong uniform magnetic field. The locations at which the diaphragm is connected to a frame may be coplanar with a center of mass of the diaphragm. The three-dimensional structure of diaphragm and fins may be formed using origami techniques.Type: GrantFiled: April 9, 2004Date of Patent: February 19, 2008Assignee: Harman International Industries, IncorporatedInventors: An Duc Nguyen, Charles M. Sprinkle
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Patent number: D538791Type: GrantFiled: January 4, 2005Date of Patent: March 20, 2007Assignee: Harman International Industries, IncorporatedInventors: An D. Nguyen, Charles M. Sprinkle
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Patent number: D542780Type: GrantFiled: January 4, 2005Date of Patent: May 15, 2007Assignee: Harman International Industries, IncorporatedInventors: An D. Nguyen, Charles M. Sprinkle
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Patent number: D724569Type: GrantFiled: January 17, 2014Date of Patent: March 17, 2015Assignee: Harman International Industries, IncorporatedInventor: Charles M. Sprinkle
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Patent number: D783570Type: GrantFiled: October 2, 2015Date of Patent: April 11, 2017Assignee: Harman International Industries, IncorporatedInventor: Charles M. Sprinkle
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Patent number: D796472Type: GrantFiled: October 2, 2015Date of Patent: September 5, 2017Assignee: Harman International Industries, IncorporatedInventor: Charles M. Sprinkle