Patents by Inventor Cheng-Yih Jenq
Cheng-Yih Jenq 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: 11044553Abstract: A speaker system includes drivers, each of which has a front face, a rear face and an axis of symmetry extending through the front and rear faces. The drivers are mounted to a frame so that the axes of symmetry of the drivers converge on a single center point, with the front faces of the drivers facing toward the single center point. The frame and the drivers are disposed to define an open area from which sound energy generated by the drivers can be emitted.Type: GrantFiled: March 26, 2020Date of Patent: June 22, 2021Inventor: Cheng Yih Jenq
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Publication number: 20200329306Abstract: A speaker system includes drivers, each of which has a front face, a rear face and an axis of symmetry extending through the front and rear faces. The drivers are mounted to a frame so that the axes of symmetry of the drivers converge on a single center point, with the front faces of the drivers facing toward the single center point. The frame and the drivers are disposed to define an open area from which sound energy generated by the drivers can be emitted.Type: ApplicationFiled: March 26, 2020Publication date: October 15, 2020Inventor: Cheng Yih Jenq
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Publication number: 20150381296Abstract: Systems and methods for wireless communication of sound signals to multiple discrete speakers to establish a rich wireless audio system for use in multiple environments is provided. In one embodiment of the present disclosure, a computing device receives a multiplexed audio signal containing multiple audio channels and demultiplexes the signal and transmits separate demultiplexed signals to wireless speakers, where the separate wireless signals are played by the individual wireless speakers. In another embodiment of the present disclosure, a computing device receives a multiplexed audio signal containing a left and a right audio signal and demultiplexes the signal and uses the left and right audio signals to create a bass signal for use with a three way sound system. In yet another embodiment of the present disclosure, a wireless speaker is configured to listen and intercept a wirelessly transmitted multiplex signal and demultiplex the signal to play a predetermined audio channel.Type: ApplicationFiled: June 25, 2015Publication date: December 31, 2015Inventors: Cheng Yih Jenq, Ming-Jye Sheng
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Patent number: 9191746Abstract: Loudspeaker drivers are provided. According to one embodiment, a loudspeaker driver comprises a diaphragm, a connection tube, first and second voice coils, and first and second magnet assemblies. The connection tube has a first end section, a second end section, and a middle section. The first voice coil is connected to and surrounds at least a portion of the first end section. The second voice coil is connected to and surrounds at least a portion of the second end section. The first magnet assembly is configured to suspend the first voice coil in a first magnetic field and the second magnet assembly is configured to suspend the second voice coil in a second magnetic field. The connection tube intersects the diaphragm and the middle section of the connection tube is connected to the diaphragm.Type: GrantFiled: August 24, 2012Date of Patent: November 17, 2015Inventor: Cheng Yih Jenq
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Publication number: 20150172822Abstract: Loudspeaker drivers are provided. According to one embodiment, a loudspeaker driver comprises a diaphragm, a connection tube, first and second voice coils, and first and second magnet assemblies. The connection tube has a first end section, a second end section, and a middle section. The first voice coil is connected to and surrounds at least a portion of the first end section. The second voice coil is connected to and surrounds at least a portion of the second end section. The first magnet assembly is configured to suspend the first voice coil in a first magnetic field and the second magnet assembly is configured to suspend the second voice coil in a second magnetic field. The connection tube intersects the diaphragm and the middle section of the connection tube is connected to the diaphragm.Type: ApplicationFiled: February 25, 2015Publication date: June 18, 2015Inventor: Cheng Yih Jenq
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Patent number: 8917881Abstract: A loudspeaker system is provided for uniformly emanating sound waves to a listening area. The loudspeaker system includes a plurality of drivers, where each driver includes a front face, a rear face, and an axis of symmetry extending substantially perpendicularly through both the front and rear face. Each driver is configured to emanate low and high frequency sound waves from its front face substantially along its axis of symmetry. The loudspeaker system also includes a support structure having an inner volume. The support structure is configured to support the drivers in an arrangement such that the front face of each driver is directed toward the inner volume and the axis of symmetry of each driver intersects a relatively small volume near a central point located at the center of the inner volume. A listening area for the loudspeaker system is outside of the inner volume of the support structure.Type: GrantFiled: February 9, 2011Date of Patent: December 23, 2014Inventor: Cheng Yih Jenq
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Publication number: 20140056466Abstract: Loudspeaker drivers are provided. According to one embodiment, a loudspeaker driver comprises a diaphragm, a connection tube, first and second voice coils, and first and second magnet assemblies. The connection tube has a first end section, a second end section, and a middle section. The first voice coil is connected to and surrounds at least a portion of the first end section. The second voice coil is connected to and surrounds at least a portion of the second end section. The first magnet assembly is configured to suspend the first voice coil in a first magnetic field and the second magnet assembly is configured to suspend the second voice coil in a second magnetic field. The connection tube intersects the diaphragm and the middle section of the connection tube is connected to the diaphragm.Type: ApplicationFiled: August 24, 2012Publication date: February 27, 2014Inventor: Cheng Yih Jenq
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Patent number: 8249268Abstract: A woofer-less and box-less loudspeaker system including a plurality of tweeter drivers is provided. The speaker system includes a plurality of drivers, each driver including a front face and a rear face with an axis of symmetry, each driver configured for propagating sound energy along the axis of each driver from the front face, wherein the sound energy includes low frequency and high frequency components; and a support structure for arranging the plurality of drivers in such a way that the axis extending from the rear face of each of the drivers converge in a single point in space, wherein as the sound is propagated along the axis of each driver from the front face, the high frequency components from each driver are evenly spaced and the low frequency components from each driver are reinforced by the low frequency components of adjacent drivers.Type: GrantFiled: January 26, 2010Date of Patent: August 21, 2012Inventor: Cheng Yih Jenq
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Publication number: 20110182449Abstract: A loudspeaker system is provided for uniformly emanating sound waves to a listening area. The loudspeaker system includes a plurality of drivers, where each driver includes a front face, a rear face, and an axis of symmetry extending substantially perpendicularly through both the front and rear face. Each driver is configured to emanate low and high frequency sound waves from its front face substantially along its axis of symmetry. The loudspeaker system also includes a support structure having an inner volume. The support structure is configured to support the drivers in an arrangement such that the front face of each driver is directed toward the inner volume and the axis of symmetry of each driver intersects a relatively small volume near a central point located at the center of the inner volume. A listening area for the loudspeaker system is outside of the inner volume of the support structure.Type: ApplicationFiled: February 9, 2011Publication date: July 28, 2011Inventor: Cheng Yih Jenq
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Publication number: 20110182440Abstract: A woofer-less and box-less loudspeaker system including a plurality of tweeter drivers is provided. The speaker system includes a plurality of drivers, each driver including a front face and a rear face with an axis of symmetry, each driver configured for propagating sound energy along the axis of each driver from the front face, wherein the sound energy includes low frequency and high frequency components; and a support structure for arranging the plurality of drivers in such a way that the axis extending from the rear face of each of the drivers converge in a single point in space, wherein as the sound is propagated along the axis of each driver from the front face, the high frequency components from each driver are evenly spaced and the low frequency components from each driver are reinforced by the low frequency components of adjacent drivers.Type: ApplicationFiled: January 26, 2010Publication date: July 28, 2011Inventor: Cheng Yih Jenq
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Patent number: 4446070Abstract: A process for the catalytic oxidation of polynuclear aromatic hydrocarbons in general and anthracene in particular in an oxygen-containing gas in the presence of a ceric ammonium nitrate catalyst system wherein turnover ratios are increased by: (1) use of acetic acid as solvent; (2) use of pure molecular oxygen as the oxygen-containing gas; (3) use of ammonium vanadate as a promoter; and (4) addition of acetic anhydride to react with water produced as a by-product of the oxidation reaction. By use of the filtrate, remaining after removal of anthraquinone by filtration, to catalyze the oxidation of fresh anthracene, and by addition of nitric acid to restore catalytic activity after a series of oxidation reactions, anthraquinone is produced from anthracene in a continuous system.Type: GrantFiled: June 10, 1981Date of Patent: May 1, 1984Assignee: HRI, Inc.Inventors: Derk T. A. Huibers, Cheng-Yih Jenq
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Patent number: 4431850Abstract: A process for thermal dealkylation of alkylated phenols feedstocks, which comprises reacting a feed mixture containing mono and poly-alkylated phenols and gaseous hydrogen at temperature ranging from about 900.degree. to about 1100.degree. F. at hydrogen partial pressure of 300 to 1600 psig, and space velocity of 0.2 to 3.0 volume feed/hr/volume of reactor to produce a phenol-containing product at increased selectivity and yield of phenol. For feedstream mixtures containing more than about 10 W % phenols, a prior distillation step is preferably used to remove the excessive phenol as product and thus avoid undesired dehydroxylation reactions in the hydrodealkylation step to which the feed phenol concentration is usually about 2-8 W %.Type: GrantFiled: November 9, 1981Date of Patent: February 14, 1984Assignee: HRI, Inc.Inventors: Derk T. A. Huibers, Cheng-Yih Jenq
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Patent number: 4359592Abstract: Organic liquid-water solutions, such as 5-30 W % alcohol in water, are separated efficiently in a two-stage adsorption process using a bed of selected adsorbent material in each stage to produce a concentrated organic product. Each adsorbent is selected to effectively adsorb the minor component from the feed solution and thus provide a dehydrated alcohol product. In the first-stage adsorber bed, activated carbon is used to selectively adsorb the alcohol, after which the desorbed alcohol vapor is passed to a second-stage adsorber bed of molecular sieve adsorbent for virtually complete removal of the remaining water. The process provides a dehydrated alcohol liquid product preferably containing less than about 2 W % water, and requires low energy usage.Type: GrantFiled: March 23, 1981Date of Patent: November 16, 1982Assignee: Hydrocarbon Research, Inc.Inventors: James C. Chao, Cheng-Yih Jenq
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Patent number: 4278702Abstract: A printed circuit board and a method of making the same is disclosed wherein a powdered conductive composition is placed on a dielectric substrate in a matrix corresponding to the desired electrical circuit pattern. The powdered conductive composition is then heated by induction so that the conductive particles are sintered to form continuous conductive pathways secured to the dielectric substrate. The use of relatively high frequency induction currents coupled with a relatively small size of the conductive particles results in rapid heating of the powdered conductive composition while leaving the underlying dielectric substrate unaffected by the induction heating.Type: GrantFiled: September 25, 1979Date of Patent: July 14, 1981Assignee: Anthony J. CasellaInventor: Cheng-Yih Jenq