Patents by Inventor Richard Jales
Richard Jales 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: 20180198414Abstract: Systems and methods for automatically controlling the bias in a pulsed power amplifier include components for measuring the current in an amplifier, comparing the measured value with the desired value, modifying the bias, and controlling the bias applied to the power amplifier. A measurement circuit converts the measured current to a voltage, and a comparator compares a measured voltage with a reference voltage to continuously indicate whether the amplifier current is less than a desired quiescent value. A circuit controls the level of the gate-bias (Vg) during a pulse, such as with a pulse width modulator. The measurement of the amplifier current is registered after the bias is enabled, but before the signal pulse. Drive control logic implements a control algorithm for adjusting the gate value in between pulses and in time to be used for the next pulse.Type: ApplicationFiled: March 6, 2018Publication date: July 12, 2018Inventor: Richard Jales
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Patent number: 9907105Abstract: Various techniques are provided to securely pair devices using default connection information. In one example, a method includes storing, on a first device, a connection list comprising a plurality of connection entries. The first device selects a default connection entry in the connection list. A secure default connection is established between the first device and a second device using the default connection entry. Defined connection information is received at the first device from the second device over the secure default connection. The defined connection information is stored in a defined connection entry of the connection list. A secure defined connection between the first device and the second device is established using the defined connection entry.Type: GrantFiled: November 10, 2016Date of Patent: February 27, 2018Assignee: FLIR Belgium BVBAInventors: Richard Jales, Stephen Tostevin, Edward Hull, Andrew Mallion
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Publication number: 20170315209Abstract: Various techniques are disclosed for providing a radar system. In one example, such a radar system includes a radar unit adapted to broadcast radar signals and receive return signals in response thereto. The radar unit includes a waveform generator adapted to provide pulse waveforms of different pulse widths and Frequency Modulated Continuous Wave (FMCW) waveforms, wherein the waveforms are interleaved with each other to provide a transmission sequence for the radar signals for detection of long range and short range targets, a power amplifier adapted to amplify the radar signals for broadcast, and an antenna adapted to broadcast the radar signals and receive the return signals. Other examples of radar systems and related methods are also provided.Type: ApplicationFiled: April 7, 2017Publication date: November 2, 2017Inventors: Stuart Johnson, Richard Jales, Stuart Mudge, Larry Yeomans, Chris Freeman, Stewart Lawton, Steve Tostevin
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Publication number: 20170176586Abstract: Techniques are disclosed for systems and methods to provide orientation and/or position data from an orientation and/or position sensor (OPS) while it is rotating. A system includes a logic device configured to communicate with an OPS that is rotationally coupled to a mobile structure. The logic device is configured to receive orientation and/or position data from the OPS while the OPS is rotating relative to the mobile structure and determine rotationally corrected orientation and/or position data referenced to the mobile structure, a rotationally actuated sensor assembly mounted to the mobile structure, and/or an absolute coordinate frame.Type: ApplicationFiled: February 28, 2017Publication date: June 22, 2017Inventors: Mark Johnson, Paul Stokes, Richard Jales
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Publication number: 20170142765Abstract: Various techniques are provided to securely pair devices using default connection information. In one example, a method includes storing, on a first device, a connection list comprising a plurality of connection entries. The first device selects a default connection entry in the connection list. A secure default connection is established between the first device and a second device using the default connection entry. Defined connection information is received at the first device from the second device over the secure default connection. The defined connection information is stored in a defined connection entry of the connection list. A secure defined connection between the first device and the second device is established using the defined connection entry.Type: ApplicationFiled: November 10, 2016Publication date: May 18, 2017Inventors: Richard Jales, Stephen Tostevin, Edward Hull, Andrew Mallion
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Patent number: 9645229Abstract: A radar or sonar system amplifies the signal received by an antenna of the radar system or a transducer of the sonar system is amplified and then subject to linear demodulation by a linear receiver. There may be an anti-aliasing filter and an analog-to-digital converter between the amplifier and the linear receiver. The system may also have a digital signal processor with a network stack running in the processor. That processor may also have a network interface media access controller, where the system operates at different ranges, the modulator may produce pulses of two pulse patterns differing in pulse duration and inter-pulse spacing, those pulse patterns are introduced and used to form two radar images with the two images being derived from data acquired in a duration not more than twenty times larger than the larger inter-pulse spacing, or for a radar system, larger than one half of the antenna resolution time. One or more look-up tables may be used to control the amplifier.Type: GrantFiled: June 20, 2016Date of Patent: May 9, 2017Assignee: FLIR Belgium BVBAInventors: Richard Jales, Andrew Lawrence, Matthieu Maindrou
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Patent number: 9618605Abstract: Various techniques are disclosed for providing a radar system. In one example, such a radar system includes a radar unit adapted to broadcast radar signals and receive return signals in response thereto. The radar unit includes a waveform generator adapted to provide pulse waveforms of different pulse widths and Frequency Modulated Continuous Wave (FMCW) waveforms, wherein the waveforms are interleaved with each other to provide a transmission sequence for the radar signals for detection of long range and short range targets, a power amplifier adapted to amplify the radar signals for broadcast, and an antenna adapted to broadcast the radar signals and receive the return signals. Other examples of radar systems and related methods are also provided.Type: GrantFiled: December 21, 2012Date of Patent: April 11, 2017Assignee: FLIR Systems, Inc.Inventors: Stuart Johnson, Richard Jales, Stuart Mudge, Larry Yeomans, Chris Freeman, Stewart Lawton, Steve Tostevin
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Publication number: 20170031004Abstract: A radar or sonar system amplifies the signal received by an antenna of the radar system or a transducer of the sonar system is amplified and then subject to linear demodulation by a linear receiver. There may be an anti-aliasing filter and an analog-to-digital converter between the amplifier and the linear receiver. The system may also have a digital signal processor with a network stack running in the processor. That processor may also have a network interface media access controller, where the system operates at different ranges, the modulator may produce pulses of two pulse patterns differing in pulse duration and inter-pulse spacing, those pulse patterns are introduced and used to form two radar images with the two images being derived from data acquired in a duration not more than twenty times larger than the larger inter-pulse spacing, or for a radar system, larger than one half of the antenna resolution time. One or more look-up tables may be used to control the amplifier.Type: ApplicationFiled: June 20, 2016Publication date: February 2, 2017Inventors: Richard Jales, Andrew Lawrence, Matthieu Maindrou
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Patent number: 9372257Abstract: A radar or sonar system amplifies the signal received by an antenna of the radar system or a transducer of the sonar system is amplified and then subject to linear demodulation by a linear receiver. There may be an anti-aliasing filter and an analog-to-digital converter between the amplifier and the linear receiver. The system may also have a digital signal processor with a network stack running in the processor. That processor may also have a network interface media access controller, where the system operates at different ranges, the modulator may produce pulses of two pulse patterns differing in pulse duration and inter-pulse spacing, those pulse patterns are introduced and used to form two radar images with the two images being derived from data acquired in a duration not more than twenty times larger than the larger inter-pulse spacing, or for a radar system, larger than one half of the antenna resolution time. One or more look-up tables may be used to control the amplifier.Type: GrantFiled: May 1, 2015Date of Patent: June 21, 2016Assignee: Raymarine UK LimitedInventors: Richard Jales, Andrew Lawrence, Matthieu Maindrou
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Publication number: 20150316645Abstract: A radar or sonar system amplifies the signal received by an antenna of the radar system or a transducer of the sonar system is amplified and then subject to linear demodulation by a linear receiver. There may be an anti-aliasing filter and an analog-to-digital converter between the amplifier and the linear receiver. The system may also have a digital signal processor with a network stack running in the processor. That processor may also have a network interface media access controller, where the system operates at different ranges, the modulator may produce pulses of two pulse patterns differing in pulse duration and inter-pulse spacing, those pulse patterns are introduced and used to form two radar images with the two images being derived from data acquired in a duration not more than twenty times larger than the larger inter-pulse spacing, or for a radar system, larger than one half of the antenna resolution time. One or more look-up tables may be used to control the amplifier.Type: ApplicationFiled: May 1, 2015Publication date: November 5, 2015Inventors: Richard Jales, Andrew Lawrence, Matthieu Maindrou
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Patent number: 9024816Abstract: A radar or sonar system amplifies the signal received by an antenna of the radar system or a transducer of the sonar system is amplified and then subject to linear demodulation by a linear receiver. There may be an anti-aliasing filter and an analog-to-digital converter between the amplifier and the linear receiver. The system may also have a digital signal processor with a network stack running in the processor. That processor may also have a network interface media access controller, where the system operates at different ranges, the modulator may produce pulses of two pulse patterns differing in pulse duration and inter-pulse spacing, those pulse patterns are introduced and used to form two radar images with the two images being derived from data acquired in a duration not more than twenty times larger than the larger inter-pulse spacing, or for a radar system, larger than one half of the antenna resolution time. One or more look-up tables may be used to control the amplifier.Type: GrantFiled: December 30, 2013Date of Patent: May 5, 2015Assignee: Raymarine UK LimitedInventors: Richard Jales, Andrew Lawrence, Matthieu Maindrou
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Publication number: 20140320336Abstract: A radar or sonar system amplifies the signal received by an antenna of the radar system or a transducer of the sonar system is amplified and then subject to linear demodulation by a linear receiver. There may be an anti-aliasing filter and an analog-to-digital converter between the amplifier and the linear receiver. The system may also have a digital signal processor with a network stack running in the processor. That processor may also have a network interface media access controller, where the system operates at different ranges, the modulator may produce pulses of two pulse patterns differing in pulse duration and inter-pulse spacing, those pulse patterns are introduced and used to form two radar images with the two images being derived from data acquired in a duration not more than twenty times larger than the larger inter-pulse spacing, or for a radar system, larger than one half of the antenna resolution time. One or more look-up tables may be used to control the amplifier.Type: ApplicationFiled: December 30, 2013Publication date: October 30, 2014Applicant: Raymarine UK LimitedInventors: Richard Jales, Andrew Lawrence, Matthieu Maindrou
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Patent number: 8624776Abstract: A radar or sonar system amplifies the signal received by an antenna of the radar system or a transducer of the sonar system is amplified and then subject to linear demodulation by a linear receiver. There may be an anti-aliasing filter and an analog-to-digital converter between the amplifier and the linear receiver. The system may also have a digital signal processor with a network stack running in the processor. That processor may also have a network interface media access controller, where the system operates at different ranges, the modulator may produce pulses of two pulse patterns differing in pulse duration and inter-pulse spacing, those pulse patterns are introduced and used to form two radar images with the two images being derived from data acquired in a duration not more than twenty times larger than the larger inter-pulse spacing, or for a radar system, larger than one half of the antenna resolution time. One or more look-up tables may be used to control the amplifier.Type: GrantFiled: August 29, 2008Date of Patent: January 7, 2014Assignee: Raymarine UK LimitedInventors: Richard Jales, Andrew Lawrence, Matthieu Maindrou
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Publication number: 20110102244Abstract: A radar or sonar system amplifies the signal received by an antenna of the radar system or a transducer of the sonar system is amplified and then subject to linear demodulation by a linear receiver. There may be an anti-aliasing filter and an analog-to-digital converter between the amplifier and the linear receiver. The system may also have a digital signal processor with a network stack running in the processor. That processor may also have a network interface media access controller, where the system operates at different ranges, the modulator may produce pulses of two pulse patterns differing in pulse duration and inter-pulse spacing, those pulse patterns are introduced and used to form two radar images with the two images being derived from data acquired in a duration not more than twenty times larger than the larger inter-pulse spacing, or for a radar system, larger than one half of the antenna resolution time. One or more look-up tables may be used to control the amplifier.Type: ApplicationFiled: August 29, 2008Publication date: May 5, 2011Applicant: Raymarine UK LimitedInventors: Richard Jales, Adrew Lawrence, Matthieu Maindrou
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Publication number: 20040051473Abstract: A fluorescent lamp driver circuit has regulator (SR); primary circuit of transformer (TF); electronic switches (TR2A and TR2B) and current sensing device (Rsense) connected successively in series across power supply (PSF). Controller (CTRL) is connected to create a feed back loop. The secondary circuit of transformer (TF) is coupled to fluorescent lamps (U10 and U11) via ballast capacitors (C1 and C2). Diode (D1) creates unidirectional current flow, so current sensing device (Rsense) indicates only energy input to lamps (U10 and U11). Capacitors (C1 and C2) are placed physically very close to their respective lamps, enabling good matching of currents through lamps (U10 and U11). Pulse width modulator (PM) with predetermined input is connected to regulator (SR) and, via delay circuit (TD) to controller (CTRL), thus permitting a larger dimming ratio, and further control of input power.Type: ApplicationFiled: July 31, 2003Publication date: March 18, 2004Inventors: Richard Jales, Barnaby Wilmott