Patents by Inventor John Videtich
John Videtich 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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Publication number: 20230341540Abstract: A system is provided and includes a receiver and an access module. The receiver is configured to receive a signal transmitted from a portable access device to a vehicle. The access module is configured to generate a differentiated signal based on the received signal, up-sample the differentiated signal to generate a first up-sampled signal, up-sample an expected signal to generate a second up-sampled signal, cross-correlate the first up-sampled signal and the second up-sampled signal to generate a cross-correlation signal, determine, based on the cross-correlation signal, a phase difference between the first up-sampled signal and the second up-sampled signal, determine a round trip time of the signal received by the receiver based on the phase difference, and permit access to the vehicle based on the round trip time.Type: ApplicationFiled: June 27, 2023Publication date: October 26, 2023Applicants: DENSO International America, Inc., DENSO CORPORATIONInventors: Raymond Michael STITT, John VIDETICH
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Patent number: 11714184Abstract: An access system for a vehicle includes a receiver and an access module. The receiver is configured to receive a signal transmitted from a portable access device to the vehicle. The access module is configured to: generate a differentiated signal based on the received signal; up-sample the differentiated signal to generate a first up-sampled signal; obtain or generate an expected signal; up-sample the expected signal to generate a second up-sampled signal; cross-correlate the first up-sampled signal and the second up-sampled signal to generate a cross-correlation signal; based on the cross-correlation signal, determine a phase difference between the first up-sampled signal and the second up-sampled signal; determine a round trip time of the signal received by the receiver; and permit access to the vehicle based on the round trip time.Type: GrantFiled: August 8, 2022Date of Patent: August 1, 2023Assignees: DENSO International America, Inc., DENSO CORPORATIONInventors: Raymond Michael Stitt, John Videtich
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Publication number: 20230021586Abstract: A system for improving a display coupled to an inductive cooktop includes an induction coil and an electrically-actuated display (EAD) assembly. The induction coil includes a magnetic field. The EAD assembly is disposed on the induction coil and includes a frontplate adjacent to the induction coil and a thin film transistor (TFT) array backplane opposite the frontplane. The TFT array backplane includes a scan line with some degree of orthogonality to the magnetic field and a data line with some degree of parallelism to the magnetic field. The scan line and the data line are configured to activate a display pixel corresponding to the EAD assembly. One or more ground lines of the EAD assembly have some degree of parallelism to the magnetic field of the induction coil.Type: ApplicationFiled: January 7, 2021Publication date: January 26, 2023Inventors: Cort Corwin, Andrew Foley, Warren Gutherie, John Videtich
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Publication number: 20220379845Abstract: An access system for a vehicle includes a receiver and an access module. The receiver is configured to receive a signal transmitted from a portable access device to the vehicle. The access module is configured to: generate a differentiated signal based on the received signal; up-sample the differentiated signal to generate a first up-sampled signal; obtain or generate an expected signal; up-sample the expected signal to generate a second up-sampled signal; cross-correlate the first up-sampled signal and the second up-sampled signal to generate a cross-correlation signal; based on the cross-correlation signal, determine a phase difference between the first up-sampled signal and the second up-sampled signal; determine a round trip time of the signal received by the receiver; and permit access to the vehicle based on the round trip time.Type: ApplicationFiled: August 8, 2022Publication date: December 1, 2022Applicants: DENSO International America, Inc., DENSO CORPORATIONInventors: Raymond Michael STITT, John VIDETICH
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Patent number: 11428799Abstract: An access system for a vehicle includes a receiver and an access module. The receiver is configured to receive a signal transmitted from a portable access device to the vehicle. The access module is configured to: generate a differentiated signal based on the received signal; up-sample the differentiated signal to generate a first up-sampled signal; obtain or generate an expected signal; up-sample the expected signal to generate a second up-sampled signal; cross-correlate the first up-sampled signal and the second up-sampled signal to generate a cross-correlation signal; based on the cross-correlation signal, determine a phase difference between the first up-sampled signal and the second up-sampled signal; determine a round trip time of the signal received by the receiver; and permit access to the vehicle based on the round trip time.Type: GrantFiled: March 19, 2020Date of Patent: August 30, 2022Assignees: DENSO International America, Inc., DENSO CORPORATIONInventors: Raymond Michael Stitt, John Videtich
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Patent number: 11353538Abstract: A system is disclosed and includes a plurality of antennas. Each antenna includes a plurality of conductive elements and is circularly polarized. The plurality of conductive elements is configured to receive radio frequency (RF) signals. A first end of each of the plurality of conductive elements is electrically coupled to a printed circuit board, which includes a plurality of coupler circuits and a switching circuit. The plurality of coupler circuits is configured to combine the RF signals and output a signal to the switching circuit based on the combined RF signals. The switching circuit is configured to selectively output one of the signals based on at least one control port of the switching circuit being selectively activated by a control signal. The system also includes a microcontroller configured to determine, based on at least one of the signals, an angle of arrival associated with the plurality of antennas.Type: GrantFiled: June 19, 2019Date of Patent: June 7, 2022Assignees: DENSO International America, Inc., DENSO CORPORATIONInventors: Warren Guthrie, John Videtich, Raymond Michael Stitt, Eric Emens
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Patent number: 11217048Abstract: An access system for a vehicle is provided and includes antennas and an access module. The antennas are configured to each receive a signal transmitted from a portable access device to the vehicle. One of the antennas is a circular polarized antenna. The access module is configured to: downconvert the received signal to generate an in-phase signal and a quadrature phase signal; execute a music algorithm to determine angles of arrival of the received signal as received at the antennas; determine a distance between the portable access device and the vehicle based on the angles of arrival; and permit access to the vehicle based on the distance.Type: GrantFiled: March 19, 2020Date of Patent: January 4, 2022Assignees: DENSO International America, Inc., DENSO CORPORATIONInventors: Raymond Michael Stitt, John Videtich
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Patent number: 11150317Abstract: Methods and systems are disclosed and include receiving a signal via a first communication channel at a plurality of azimuth angles. The method includes determining a plurality of first communication channel phase angle differences between a pair of antennas. The method includes receiving a second signal via a second communication channel and at the plurality of azimuth angles. The method includes determining a plurality of second communication channel phase angle differences between the pair of antennas that each correspond to one of the plurality of azimuth angles. The method includes generating a first reference curve based on the plurality of first communication channel phase angle differences. The method includes generating a second reference curve based on the plurality of second communication channel phase angle differences. The method also includes generating a calibration curve that is based on an interpolation of the first reference curve and the second reference curve.Type: GrantFiled: June 19, 2019Date of Patent: October 19, 2021Assignees: DENSO International America, Inc., DENSO CORPORATIONInventors: Raymond Michael Stitt, John Videtich, Warren Guthrie, Karl Jager, Thomas Peterson
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Precision agricultural-device control system and wireless agricultural-device communication protocol
Patent number: 11134603Abstract: The present invention provides a precision agricultural-device control system for controlling agricultural implements (such as seed feeders and fertilizer sprayers) or on a line planter. More particularly, a command and control module is provided that is in communication with an interface module and provides commands in accordance with a field prescription. The interface module wirelessly transmits command messages to the agricultural implements or and receives monitoring messages from the agricultural implements. In certain embodiments, a novel, low latency and high reliability wireless protocol or using repeats is used to communicate wirelessly with the agricultural implements.Type: GrantFiled: March 5, 2019Date of Patent: October 5, 2021Assignee: Graham Equipment, LLCInventors: Jerry Graham, Paul Zoric, John Videtich, Warren Guthrie -
Patent number: 11105883Abstract: Methods and systems are disclosed and include receiving, at a plurality of azimuth angles, a signal via a first communication channel and a second signal via a second communication channel. The method includes determining a plurality of first and second communication channel phase angle differences of the antenna system that each correspond to one of the plurality of azimuth angles. The method includes generating a first reference curve and a second reference curve based on the plurality of first and second communication channel phase angle differences, respectively. The method includes determining a first set and a second set of phase difference limits, and for each set, the method includes: identifying a minimum and maximum capping region; determining a minimum phase difference limit based on a central location of the minimum capping region; and determining a maximum phase difference limit based on a central location of the maximum capping region.Type: GrantFiled: July 15, 2019Date of Patent: August 31, 2021Assignees: DENSO International America, Inc., DENSO CORPORATIONInventors: John Videtich, Raymond Michael Stitt
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Patent number: 11010996Abstract: A system includes a transmitter, a receiver and a control module. The transmitter transmits a RF signal from one of a vehicle and a portable access device to the other one of the vehicle and the portable access device. The receiver receives a response signal from one of the vehicle and the portable access device in response to the RF signal. The control module: converts the response signal to in-phase and quadrature-phase signals; based on the RF, in-phase signal and quadrature-phase signals; detects a range extension type relay attack performed by an attacking device to obtain at least one of access to or operational control of the vehicle; where the RF signal is relayed via the attacking device from the vehicle to the portable access device or the response signal is relayed via the attacking device from the portable access device to the vehicle; and performs a countermeasure.Type: GrantFiled: October 10, 2019Date of Patent: May 18, 2021Assignees: DENSO International America, Inc., DENSO CORPORATIONInventors: Raymond Michael Stitt, John Videtich, Yuki Tokunaga
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Publication number: 20200219343Abstract: An access system for a vehicle is provided and includes antennas and an access module. The antennas are configured to each receive a signal transmitted from a portable access device to the vehicle. One of the antennas is a circular polarized antenna. The access module is configured to: downconvert the received signal to generate an in-phase signal and a quadrature phase signal; execute a music algorithm to determine angles of arrival of the received signal as received at the antennas; determine a distance between the portable access device and the vehicle based on the angles of arrival; and permit access to the vehicle based on the distance.Type: ApplicationFiled: March 19, 2020Publication date: July 9, 2020Inventors: Raymond Michael STITT, John VIDETICH
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Publication number: 20200217947Abstract: An access system for a vehicle includes a receiver and an access module. The receiver is configured to receive a signal transmitted from a portable access device to the vehicle. The access module is configured to: generate a differentiated signal based on the received signal; up-sample the differentiated signal to generate a first up-sampled signal; obtain or generate an expected signal; up-sample the expected signal to generate a second up-sampled signal; cross-correlate the first up-sampled signal and the second up-sampled signal to generate a cross-correlation signal; based on the cross-correlation signal, determine a phase difference between the first up-sampled signal and the second up-sampled signal; determine a round trip time of the signal received by the receiver; and permit access to the vehicle based on the round trip time.Type: ApplicationFiled: March 19, 2020Publication date: July 9, 2020Inventors: Raymond Michael STITT, John VIDETICH
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Publication number: 20200120509Abstract: A system includes a transmitter, a receiver and a control module. The transmitter transmits a RF signal from one of a vehicle and a portable access device to the other one of the vehicle and the portable access device. The receiver receives a response signal from one of the vehicle and the portable access device in response to the RF signal. The control module: converts the response signal to in-phase and quadrature-phase signals; based on the RF, in-phase signal and quadrature-phase signals; detects a range extension type relay attack performed by an attacking device to obtain at least one of access to or operational control of the vehicle; where the RF signal is relayed via the attacking device from the vehicle to the portable access device or the response signal is relayed via the attacking device from the portable access device to the vehicle; and performs a countermeasure.Type: ApplicationFiled: October 10, 2019Publication date: April 16, 2020Inventors: Raymond Michael STITT, John VIDETICH, Yuki TOKUNAGA
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Precision agricultural-device control system and wireless agricultural-device communication protocol
Patent number: 10548256Abstract: The present invention provides a precision agricultural-device control system for controlling agricultural implements (such as seed feeders and fertilizer sprayers) or on a line planter. More particularly, a command and control module is provided that is in communication with an interface module and provides commands in accordance with a field prescription. The interface module wirelessly transmits command messages to the agricultural implements or and receives monitoring messages from the agricultural implements. In certain embodiments, a novel, low latency and high reliability wireless protocol or using repeats is used to communicate wirelessly with the agricultural implements.Type: GrantFiled: August 29, 2016Date of Patent: February 4, 2020Assignee: Graham Equipment, LLCInventors: Jerry Graham, Paul Zoric, John Videtich, Warren Guthrie -
Publication number: 20200033436Abstract: Methods and systems are disclosed and include receiving, at a plurality of azimuth angles, a signal via a first communication channel and a second signal via a second communication channel. The method includes determining a plurality of first and second communication channel phase angle differences of the antenna system that each correspond to one of the plurality of azimuth angles. The method includes generating a first reference curve and a second reference curve based on the plurality of first and second communication channel phase angle differences, respectively. The method includes determining a first set and a second set of phase difference limits, and for each set, the method includes: identifying a minimum and maximum capping region; determining a minimum phase difference limit based on a central location of the minimum capping region; and determining a maximum phase difference limit based on a central location of the maximum capping region.Type: ApplicationFiled: July 15, 2019Publication date: January 30, 2020Inventors: John Videtich, Raymond Michael Stitt
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Publication number: 20190393618Abstract: A system is disclosed and includes a plurality of antennas. Each antenna includes a plurality of conductive elements and is circularly polarized. The plurality of conductive elements is configured to receive radio frequency (RF) signals. A first end of each of the plurality of conductive elements is electrically coupled to a printed circuit board, which includes a plurality of coupler circuits and a switching circuit. The plurality of coupler circuits is configured to combine the RF signals and output a signal to the switching circuit based on the combined RF signals. The switching circuit is configured to selectively output one of the signals based on at least one control port of the switching circuit being selectively activated by a control signal. The system also includes a microcontroller configured to determine, based on at least one of the signals, an angle of arrival associated with the plurality of antennas.Type: ApplicationFiled: June 19, 2019Publication date: December 26, 2019Inventors: Warren GUTHRIE, John VIDETICH, Raymond Michael STITT, Eric EMENS
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Publication number: 20190391224Abstract: Methods and systems are disclosed and include receiving a signal via a first communication channel at a plurality of azimuth angles. The method includes determining a plurality of first communication channel phase angle differences between a pair of antennas. The method includes receiving a second signal via a second communication channel and at the plurality of azimuth angles. The method includes determining a plurality of second communication channel phase angle differences between the pair of antennas that each correspond to one of the plurality of azimuth angles. The method includes generating a first reference curve based on the plurality of first communication channel phase angle differences. The method includes generating a second reference curve based on the plurality of second communication channel phase angle differences. The method also includes generating a calibration curve that is based on an interpolation of the first reference curve and the second reference curve.Type: ApplicationFiled: June 19, 2019Publication date: December 26, 2019Inventors: Raymond Michael STITT, John VIDETICH, Warren GUTHRIE, Karl JAGER, Thomas PETERSON
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PRECISION AGRICULTURAL-DEVICE CONTROL SYSTEM AND WIRELESS AGRICULTURAL-DEVICE COMMUNICATION PROTOCOL
Publication number: 20190191616Abstract: The present invention provides a precision agricultural-device control system for controlling agricultural implements (such as seed feeders and fertilizer sprayers) or on a line planter. More particularly, a command and control module is provided that is in communication with an interface module and provides commands in accordance with a field prescription. The interface module wirelessly transmits command messages to the agricultural implements or and receives monitoring messages from the agricultural implements. In certain embodiments, a novel, low latency and high reliability wireless protocol or using repeats is used to communicate wirelessly with the agricultural implements.Type: ApplicationFiled: March 5, 2019Publication date: June 27, 2019Inventors: Jerry GRAHAM, Paul ZORIC, John VIDETICH, Warren GUTHRIE -
Patent number: 10039969Abstract: A method and system relates to locating or otherwise generating positional information for an object, such as but not limited generating positional coordinates for an object attached to an athlete engaging in an athletic event. The positional coordinates may be processed with other telemetry and biometrical information to provide real-time performance metrics while the athlete engages in the athletic event.Type: GrantFiled: March 23, 2015Date of Patent: August 7, 2018Assignee: AvidaSports, LLCInventors: Bruce J. Burton, John Videtich, Warren Guthrie, Ryan Johnson, Paul Duckworth