Patents Assigned to Fox Enterprises, Inc.
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Patent number: 11005446Abstract: A family of resonators and other devices which employ virtual electrodes using pixel based projection across a gap onto a material. In many embodiments, the pixel is projected onto a piezoelectric material, such as quartz crystal, by an integrated circuit die placed opposite a face of the crystal. The die projects a single pixel of electromagnetic energy onto the crystal, which vibrates and produces its own electromagnetic energy which is received by the pixel. Pixel projection onto other materials, including non-resonant materials, is also disclosed. The pixel based projected electrodes may be used in combination with, or in lieu of, conventional metal electrodes. The single pixel may be controlled in gain and phase in order to achieve specific desired resonator response characteristics. Many types of devices using pixel based electrode projection are disclosed—including resonators having one or more single-pixel virtual electrodes, and other types of devices.Type: GrantFiled: December 30, 2019Date of Patent: May 11, 2021Assignee: FOX ENTERPRISES, INC.Inventors: James Bryan Northcutt, Eugene S. Trefethen
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Patent number: 10931284Abstract: A family of resonators and other devices which employ virtual electrodes using pixel based projection across a gap onto a material. In many embodiments, the pixels are projected onto a piezoelectric material, such as quartz crystal, by an integrated circuit die placed opposite a face of the crystal. The die projects individual pixels of electromagnetic energy onto the crystal, which vibrates and produces its own electromagnetic energy which is received by the pixels. Pixel projection onto other materials, including non-resonant materials, is also disclosed. The pixel based projected electrodes may be used in combination with, or in lieu of, conventional metal electrodes. Individual pixels may be turned on and off, and gain- and phase-controlled, in order to achieve specific desired resonator response characteristics. Many types of devices using pixel based electrode projection are disclosed—including resonators having one or more electrodes, oscillators, filters, delay lines, antennas and others.Type: GrantFiled: May 7, 2019Date of Patent: February 23, 2021Assignee: FOX ENTERPRISES, INC.Inventors: James Bryan Northcutt, Eugene S. Trefethen
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Patent number: 6965272Abstract: A worldwide logistics network includes a processing center for receiving customer orders for crystal oscillators over communications links, processing the orders, and generating work orders that are selectively disseminated over communications links to programming centers at strategic locations around the world. Each of the programming centers carries an inventory of generic programmable crystal oscillators. Upon receipt of a work order, a programming center withdraws quantity of programmable crystal oscillators from inventory sufficient to fill the customer order, and, using automated parts handling equipment, the oscillators are successively directed to an interface position with a computer. There, the unique crystal frequency of each oscillator is read and each oscillator is uniquely programmed on the basis of its crystal frequency to generate an output frequency meeting customer specification.Type: GrantFiled: May 12, 2004Date of Patent: November 15, 2005Assignee: Fox Enterprises, Inc.Inventors: Eugene S. Trefethen, John W. Fallisgaard
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Publication number: 20040239433Abstract: A worldwide logistics network includes a processing center for receiving customer orders for crystal oscillators over communications links, processing the orders, and generating work orders that are selectively disseminated over communications links to programming centers at strategic locations around the world. Each of the programming centers carries an inventory of generic programmable crystal oscillators. Upon receipt of a work order, a programming center withdraws quantity of programmable crystal oscillators from inventory sufficient to fill the customer order, and, using automated parts handling equipment, the oscillators are successively directed to an interface position with a computer. There, the unique crystal frequency of each oscillator is read and each oscillator is uniquely programmed on the basis of its crystal frequency to generate an output frequency meeting customer specification.Type: ApplicationFiled: May 12, 2004Publication date: December 2, 2004Applicant: Fox Enterprises, Inc.Inventors: Eugene S. Trefethan, John W. Fallisgaard
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Patent number: 6664860Abstract: A programmable crystal oscillator is provided having a memory for storing frequency-defining parameters. Typically, one of these parameters is used to program an adjustable capacitive load circuit coupled to a crystal to thereby adjust the crystal source frequency. Additional parameters are used to program the output frequency of a phase locked loop circuit coupled to receive the adjusted source frequency. A further parameter can also be used to divide the output frequency of the phase locked loop circuit to supply a specified output frequency. The oscillators can be manufactured as generic programmable crystal oscillators without regard for output frequency and then quickly programmed to produce customer-specified output frequencies with a high degree of accuracy.Type: GrantFiled: January 5, 2001Date of Patent: December 16, 2003Assignees: Fox Enterprises, Inc., Jet City ElectronicsInventors: John W. Fallisgaard, Eugene S. Trefethan
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Publication number: 20030122630Abstract: A programmable crystal oscillator is provided having a memory for storing frequency-defining parameters. Typically, one of these parameters is used to program an adjustable capacitive load circuit coupled to a crystal to thereby adjust the crystal source frequency. Additional parameters are used to program the output frequency of a phase locked loop circuit coupled to receive the adjusted source frequency. A further parameter can also be used to divide the output frequency of the phase locked loop circuit to supply a specified output frequency. The oscillators can be manufactured as generic programmable crystal oscillators without regard for output frequency and then quickly programmed to produce customer-specified output frequencies with a high degree of accuracy.Type: ApplicationFiled: February 19, 2003Publication date: July 3, 2003Applicant: Fox Enterprises, Inc., a Florida corporationInventors: John W. Fallisgaard, Eugene S. Trefethan
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Publication number: 20010017573Abstract: A programmable crystal oscillator is provided having a memory for storing frequency-defining parameters. Typically, one of these parameters is used to program an adjustable capacitive load circuit coupled to a crystal to thereby adjust the crystal source frequency. Additional parameters are used to program the output frequency of a phase locked loop circuit coupled to receive the adjusted source frequency. A further parameter can also be used to divide the output frequency of the phase locked loop circuit to supply a specified output frequency. The oscillators can be manufactured as generic programmable crystal oscillators without regard for output frequency and then quickly programmed to produce customer-specified output frequencies with a high degree of accuracy.Type: ApplicationFiled: January 5, 2001Publication date: August 30, 2001Applicant: Fox Enterprises, Inc., a Florida Corporation and Jet City Electronic, a Washington CorporationInventors: John W. Fallisgaard, Eugene S. Trefethan
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Patent number: 6188290Abstract: A programmable crystal oscillator is provided having a memory for storing frequency-defining parameters. Typically, one of these parameters is used to program an adjustable capacitive load circuit coupled to a crystal to thereby adjust the crystal source frequency. Additional parameters are used to program the output frequency of a phase locked loop circuit coupled to receive the adjusted source frequency. A further parameter can also be used to divide the output frequency of the phase locked loop circuit to supply a specified output frequency. The oscillators can be manufactured as generic programmable crystal oscillators without regard for output frequency and then quickly programmed to produce customer-specified output frequencies with a high degree of accuracy.Type: GrantFiled: May 3, 1999Date of Patent: February 13, 2001Assignees: Fox Enterprises, Inc., Jet City ElectronicsInventors: John W. Fallisgaard, Eugene S. Trefethen
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Patent number: 5960405Abstract: A worldwide logistics network includes a processing center for receiving customer orders for crystal oscillators over communications links, processing the orders, and generating work orders that are selectively disseminated over communications links to programming centers at strategic locations around the world. Each of the programming centers carries an inventory of generic programmable crystal oscillators. Upon receipt of a work order, a programming center withdraws quantity of programmable crystal oscillators from inventory sufficient to fill the customer order, and, using automated parts handling equipment, the oscillators are successively directed to an interface position with a computer. There, the unique crystal frequency of each oscillator is read and each oscillator is uniquely programmed on the basis of its crystal frequency to generate an output frequency meeting customer specification.Type: GrantFiled: February 5, 1997Date of Patent: September 28, 1999Assignee: Fox Enterprises, Inc.Inventors: Eugene S. Trefethan, John W. Fallisgaard
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Patent number: 5952890Abstract: A programmable crystal oscillator is provided having a memory for storing frequency-defining parameters. Typically, one of these parameters is used to program an adjustable capacitive load circuit coupled to a crystal to thereby adjust the crystal source frequency. Additional parameters are used to program the output frequency of a phase locked loop circuit coupled to receive the adjusted source frequency. A further parameter can also be used to divide the output frequency of the phase locked loop circuit to supply a specified output frequency. The oscillators can be manufactured as generic programmable crystal oscillators without regard for output frequency and then quickly programmed to produce customer-specified output frequencies with a high degree of accuracy.Type: GrantFiled: February 5, 1997Date of Patent: September 14, 1999Assignees: Fox Enterprises, Inc., Jet City ElectronicsInventors: John W. Fallisgaard, Eugene S. Trefethan