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公开(公告)号：US10309782B2
公开(公告)日：2019-06-04
申请号：US15092943
申请日：2016-04-07
Applicant: Analog Devices, Inc.
Inventor： Ronald A. Kapusta , Jiefeng Yan , James Lin
IPC: G01C19/5776 , G01C19/56
Abstract: Various embodiments provide methods of determining the quality factor of a resonating body in ways that are advantageous over previously known methods. For example, embodiments allow the determination of the quality factors of a resonating body without preventing the simultaneous use of the resonating body. For micromachined (“MEMS”) devices, embodiments allow the determination of the quality factors of a resonating body in a manner that is not dependent on transduction parameters of the MEMS device.
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公开(公告)号：US20180041722A1
公开(公告)日：2018-02-08
申请号：US15545677
申请日：2016-01-27
Applicant: Analog Devices, Inc.
Inventor： Erik Barnes , Ronald A. Kapusta
CPC classification number: H04N5/3577 , H04N5/378
Abstract: A regulated supply voltage can be established using switching cycles defined at least in part according to a switching clock period. Imaging information can be acquired from an imaging sensor and a discrete-time representation of the imaging information can be received. Noise, such as corresponding to the switching cycles, can be reduced or suppressed. In an example, a discrete-valued noise template can be stored in a memory, wherein a count of values in the noise template is less than a count of an entirety of a physical row of pixels from the imaging sensor. The discrete-valued noise template can be aligned with a portion of the discrete-time representation of the imaging information. The noise in the discrete-time representation can be at least partially canceled using the aligned discrete-valued noise template. The template can be constructed such as by aggregating imaging information obtained from an optically-black portion of the imaging sensor.
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公开(公告)号：US20140125407A1
公开(公告)日：2014-05-08
申请号：US13668790
申请日：2012-11-05
Applicant: ANALOG DEVICES, INC.
Inventor： Ronald A. Kapusta , Youn-Jae Kook
IPC: H03F1/38
CPC classification number: H03F1/34 , H03F3/45475 , H03F2203/45514 , H03F2203/45526 , H03F2203/45551
Abstract: An apparatus for limiting the bandwidth of an amplifier provides for the design of an input impedance, a feedback impedance, and a load impedance such that the load impedance is proportional to the sum of the input impedance and feedback impedance. A sampling circuit has a load impedance including a resistor and capacitor in series to reduce the effective amplifier transconductance, which decreases bandwidth without increasing noise density or making this circuit more difficult to drive than a conventional circuit.
Abstract translation: 用于限制放大器的带宽的装置提供输入阻抗，反馈阻抗和负载阻抗的设计，使得负载阻抗与输入阻抗和反馈阻抗的和成比例。 采样电路具有包括串联的电阻器和电容器的负载阻抗，以减少有效的放大器跨导，其降低带宽而不增加噪声密度或使得该电路比常规电路更难驱动。
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公开(公告)号：US11621539B2
公开(公告)日：2023-04-04
申请号：US16890600
申请日：2020-06-02
Applicant: Analog Devices, Inc.
Inventor： Shawn S. Kuo , James Lin , Ronald A. Kapusta
Abstract: This disclosure is directed to, among other things, techniques to quickly replenish a capacitance of a laser diode driver circuit after an optical pulse, which can enable a burst of pulses (more than one pulse), such as to enable pulse coding. An energy reservoir circuit can be coupled to a laser diode driver circuit and to a power supply circuit and configured to store enough energy to fire the RD laser diode driver more than once. The energy reservoir circuit can act as an intermediate interface between the RD laser diode driver and the power supply circuit to better optimize the current requirements of each block.
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公开(公告)号：US20210376566A1
公开(公告)日：2021-12-02
申请号：US16890600
申请日：2020-06-02
Applicant: Analog Devices, Inc.
Inventor： Shawn S. Kuo , James Lin , Ronald A. Kapusta
Abstract: This disclosure is directed to, among other things, techniques to quickly replenish a capacitance of a laser diode driver circuit after an optical pulse, which can enable a burst of pulses (more than one pulse), such as to enable pulse coding. An energy reservoir circuit can be coupled to a laser diode driver circuit and to a power supply circuit and configured to store enough energy to fire the RD laser diode driver more than once. The energy reservoir circuit can act as an intermediate interface between the RD laser diode driver and the power supply circuit to better optimize the current requirements of each block.
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Patent Agency Ranking
6.发明申请公开(公告)号：US20200150228A1
公开(公告)日：2020-05-14
申请号：US16606721
申请日：2017-12-08
Applicant: Analog Devices, Inc.
Inventor： Ronald A. Kapusta , Andrew William Sparks , Harvey Weinberg
IPC: G01S7/483 , G01S17/89 , G01S17/931 , G01S7/481
Abstract: A system and method for providing a dynamic region of interest in a lidar system can include scanning a light beam over a field of view to capture a first lidar image, identifying a first object within the captured first lidar image, selecting a first region of interest within the field of view that contains at least a portion of the identified first object, and capturing a second lidar image, where capturing the second lidar image includes scanning the light beam over the first region of interest at a first spatial sampling resolution, and scanning the light beam over the field of view outside of the first region of interest at a second spatial sampling resolution, wherein the second sampling resolution is different the first spatial sampling resolution.
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公开(公告)号：US08941438B2
公开(公告)日：2015-01-27
申请号：US13668790
申请日：2012-11-05
Applicant: Analog Devices, Inc.
Inventor： Ronald A. Kapusta , Youn-Jae Kook
CPC classification number: H03F1/34 , H03F3/45475 , H03F2203/45514 , H03F2203/45526 , H03F2203/45551
Abstract: An apparatus for limiting the bandwidth of an amplifier provides for the design of an input impedance, a feedback impedance, and a load impedance such that the load impedance is proportional to the sum of the input impedance and feedback impedance. A sampling circuit has a load impedance including a resistor and capacitor in series to reduce the effective amplifier transconductance, which decreases bandwidth without increasing noise density or making this circuit more difficult to drive than a conventional circuit.
Abstract translation: 用于限制放大器的带宽的装置提供输入阻抗，反馈阻抗和负载阻抗的设计，使得负载阻抗与输入阻抗和反馈阻抗的和成比例。 采样电路具有包括串联的电阻器和电容器的负载阻抗，以减少有效的放大器跨导，其降低带宽而不增加噪声密度或使得该电路比常规电路更难驱动。
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公开(公告)号：US20220196838A1
公开(公告)日：2022-06-23
申请号：US17125000
申请日：2020-12-17
Applicant: Analog Devices, Inc.
Inventor： Ronald A. Kapusta
IPC: G01S17/89 , G01S7/484 , G01S17/04 , G01S7/4861
Abstract: A method for determining, in an optical detection system, a distance to a target region includes obtaining first and second light pulses from a signal generator within the optical detection system and obtaining samples of the respective first and second light pulses, where the samples having a first temporal resolution. The method also includes generating a reference waveform having a second temporal resolution by combining the samples of the respective first and second light pulses, where the second temporal resolution being higher than the first temporal resolution. The method further includes obtaining a reflection of a third light pulse from the target region and determining an arrival time of the reflection of the third light pulse using the reference waveform.
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公开(公告)号：US11075502B2
公开(公告)日：2021-07-27
申请号：US16555506
申请日：2019-08-29
Applicant: Analog Devices, Inc.
Inventor： Shawn S. Kuo , Ronald A. Kapusta , Xu Tang , Leonard Shtargot , Eugene L. Cheung , Jonathan Paolucci
Abstract: Techniques to achieve higher power/shorter pulses with a laser diode. By initially applying a static reverse bias across the laser diode, the laser diode can turn on at a larger inductor current. When the laser diode is initially reverse biased, depletion charge and diffusion charge can be populated before the laser diode will lase. This causes the laser diode to initially turn on at a larger inductor current, which will reduce the rise time, thereby achieving higher power/shorter pulses.
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公开(公告)号：US20200256955A1
公开(公告)日：2020-08-13
申请号：US16270075
申请日：2019-02-07
Applicant: Analog Devices, Inc.
Inventor： Ronald A. Kapusta , Miles R. Bennett
Abstract: Techniques are described to adjust one or more parameters to vary the illumination output within at least one of the regions-of-interest (ROIs) in a field-of-view (FOV) and to adjust one or more corresponding receiver parameter(s). By associating different parameters between two or more ROIs within an FOV, this disclosure describes a LIDAR system having an adaptive FOV. An adaptive FOV can allow a LIDAR system to vary its performance between ROIs. For example, in an FOV having at least a first ROI and a second ROI, the LIDAR system can output more optical power in the first ROI then the second ROI to increase the signal-to-noise (SNR) ratio and therefore achieve a longer detection range.
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