Patents by Inventor Kaniyalal SHAH

Kaniyalal SHAH 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).

  • Publication number: 20190121433
    Abstract: A haptic enabled system that is configured to render one or more haptic effects is provided. The haptic enabled system includes an actuator that is configured to render a haptic test pattern, a built-in accelerometer that is configured to collect acceleration data during the rendering of the haptic test pattern and according to a sampling rate of the built-in accelerometer, and a processor that is configured to calculate a haptic profile based on the acceleration data. The haptic effects are rendered according to the haptic profile.
    Type: Application
    Filed: October 20, 2017
    Publication date: April 25, 2019
    Inventors: Kaniyalal SHAH, Douglas G. BILLINGTON, Van H. TRAN, Jason D. FLEMING
  • Patent number: 10268286
    Abstract: Systems and methods for controlling power and/or current consumption for multiple haptic output devices are provided. Various features of the haptic output device may be described within a data structure. In response to a haptic instruction, a power budget for the haptic output device may be determined in accordance with its operational characteristics. A drive signal may then be applied to the haptic output device to produce the haptic effect in accordance with the calculated power budget. The calculated power budget may be configured to limit the current or power drawn by the haptic output device.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: April 23, 2019
    Assignee: IMMERSION CORPORATION
    Inventors: Srivatsav Venkatesan, Kaniyalal Shah, Douglas George Billington, Stephen Rank
  • Patent number: 10254838
    Abstract: The embodiments are directed toward an architecture and communication protocol for controlling haptic output devices. According to the embodiments, a composite drive signal is generated that includes a first drive signal to be rendered by a first haptic output device, a second drive signal to be rendered by a second haptic output device, and a packet identifier. A controller includes the first haptic output device that is associated with a first user input element and the second haptic output device associated with a second user input element. The composite drive signal is transmitted to controller, and the execution order of the first and second drive signals is determined based on the packet identifier.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: April 9, 2019
    Assignee: IMMERSION CORPORATION
    Inventors: Srivatsav Venkatesan, Kaniyalal Shah, Andrew C. Prock, Henry Da Costa
  • Patent number: 10249157
    Abstract: An interface device configured to provide an electrostatic friction (ESF) effect is disclosed. The interface device comprises a plurality of electrodes disposed at a surface of the interface device. It further comprises a signal generating circuit configured to generate a first drive signal at an output of the signal generating circuit, and comprises a plurality of frequency filter units or delay elements electrically connected to the signal generating circuit and to the plurality of electrodes. The interface device further comprises a control unit configured to use the plurality of frequency filter units or delay elements: (i) to cause only a subset of one or more electrodes of the plurality of electrodes to output one or more respective ESF effects with the first drive signal, or (ii) to cause at least two electrodes to output respective ESF effects with the first drive signal in different respective manners.
    Type: Grant
    Filed: March 9, 2018
    Date of Patent: April 2, 2019
    Assignee: IMMERSION CORPORATION
    Inventors: Vincent Levesque, Juan Manuel Cruz-Hernandez, Mohammadreza Motamedi, Kaniyalal Shah, Ali Modarres
  • Publication number: 20190080568
    Abstract: In each of the various embodiments, a haptic driver is configured to attenuate a drive signal of an actuator. In particular, the haptic drivers described herein are configured to identify the resonance frequency of the actuator and to attenuate the haptic drive signal within a range of frequencies, the range being based on the identified resonance frequency. As a result, the strength of haptic effects produced by the actuator may be more uniform along a wider frequency range.
    Type: Application
    Filed: September 12, 2018
    Publication date: March 14, 2019
    Inventor: Kaniyalal SHAH
  • Patent number: 10209774
    Abstract: A haptically-enabled system includes an actuator that has a first terminal and a second terminal. The second terminal is coupled to a voltage source, and a first switch is coupled to the first terminal and to ground. A second switch is coupled to the actuator. The second switch is parallel to the actuator.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: February 19, 2019
    Assignee: IMMERSION CORPORATION
    Inventors: Douglas George Billington, Kaniyalal Shah, Van Hilton Tran
  • Publication number: 20190041990
    Abstract: Systems and methods for rendering a haptic effect at a user input element associated with a haptic output device are provided. A primary range and a secondary range of positions are defined for the user input element associated with the haptic output device. In addition, a boundary range of positions is defined for the user input element associated with the haptic output device, the boundary range partially overlapping each of the primary and secondary ranges. A position of the user input element is monitored, and the haptic effect rendered in response to an entry of the user input element to positions within the boundary range.
    Type: Application
    Filed: August 8, 2018
    Publication date: February 7, 2019
    Inventors: Srivatsav VENKATESAN, Kaniyalal SHAH, Douglas George BILLINGTON, Aaron KAPELUS, Stephen RANK, Daniel PARKER
  • Publication number: 20190035235
    Abstract: An apparatus, such as a haptic-enabled device, and a method for providing boost protection logic are presented. The method comprises receiving, by a control circuit of the apparatus, a nonzero drive signal to be used by the haptic actuator to generate a haptic effect. The control circuit causes a first portion of the nonzero drive signal to be applied to the haptic actuator in a boost mode. The control circuit detects a boost duration exceeding a first defined time threshold, such as a boost timeout threshold, or detects an accumulated boost time exceeding the first defined time threshold. In response, the control circuit causes a second portion of the nonzero drive signal to be applied to the haptic actuator in an amplitude-limited mode.
    Type: Application
    Filed: July 10, 2018
    Publication date: January 31, 2019
    Inventors: Henry DA COSTA, Kaniyalal SHAH, Andry RABEMIARISOA, Liwen WU
  • Patent number: 10175763
    Abstract: A non-transitory computer-readable medium for generating a haptic effect is provided. The computer-readable-medium has computer-executable code that causes a processor to receive a desired haptic effect waveform for the haptic effect, to receive sensor information that indicates at least one of speed, acceleration, and position of the haptic output device, and to generate a control signal for the haptic effect based on the desired haptic effect waveform and the at least one of the speed, acceleration, and position of the haptic output device, wherein the control signal causes a profile of the haptic effect to substantially match the desired haptic effect waveform, such that matching between the profile of the haptic effect and the desired haptic effect waveform is made more similar by basing the control signal on the at least one of the speed, acceleration, and position of the haptic output device.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: January 8, 2019
    Assignee: IMMERSION CORPORATION
    Inventor: Kaniyalal Shah
  • Publication number: 20190004606
    Abstract: Systems and methods or a low profile haptic actuator are disclosed. In one embodiment, a system for a low profile haptic actuator includes: a moveable surface comprising a first coil, the moveable surface configured to move in a degree of freedom; a fixed surface beneath the moveable surface, the fixed surface comprising a second coil coupled underneath the first coil; a suspension coupled to the fixed surface and the moveable surface and configured to suspend the moveable surface; and a controller coupled to the first coil and the second coil.
    Type: Application
    Filed: August 14, 2018
    Publication date: January 3, 2019
    Applicant: Immersion Corporation
    Inventors: Douglas Billington, Kaniyalal Shah, Daniel Parker, Mansoor Alghooneh, Vahid Khoshkava, William Rihn
  • Publication number: 20180321751
    Abstract: The embodiments are directed toward techniques for isolating a user input signal at a haptic output device. A signal originating from a user input element associated with the haptic output device is received. The received signal is separated into a first component including the user input signal, and a second component including a haptic feedback signal. While the first component is processed, the second component can be discarded or otherwise ignored.
    Type: Application
    Filed: May 4, 2018
    Publication date: November 8, 2018
    Inventors: Srivatsav VENKATESAN, Kaniyalal SHAH, Douglas George BILLINGTON, Stephen RANK, Daniel PARKER, Aaron KAPELUS
  • Patent number: 10109161
    Abstract: In each of the various embodiments, a haptic driver is configured to attenuate a drive signal of an actuator. In particular, the haptic drivers described herein are configured to identify the resonance frequency of the actuator and to attenuate the haptic drive signal within a range of frequencies, the range being based on the identified resonance frequency. As a result, the strength of haptic effects produced by the actuator may be more uniform along a wider frequency range.
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: October 23, 2018
    Assignee: IMMERSION CORPORATION
    Inventor: Kaniyalal Shah
  • Patent number: 10073525
    Abstract: Systems and methods or a low profile haptic actuator are disclosed. In one embodiment, a system for a low profile haptic actuator includes: a moveable surface comprising a first coil, the moveable surface configured to move in a degree of freedom; a fixed surface beneath the moveable surface, the fixed surface comprising a second coil coupled underneath the first coil; a suspension coupled to the fixed surface and the moveable surface and configured to suspend the moveable surface; and a controller coupled to the first coil and the second coil.
    Type: Grant
    Filed: June 16, 2016
    Date of Patent: September 11, 2018
    Assignee: IMMERSION CORPORATION
    Inventors: Douglas Billington, Kaniyalal Shah, Daniel Parker, Mansoor Alghooneh, Vahid Khoshkava, William Rihn
  • Patent number: 10073523
    Abstract: Systems and methods for rendering a haptic effect at a user input element associated with a haptic output device are provided. A primary range and a secondary range of positions are defined for the user input element associated with the haptic output device. In addition, a boundary range of positions is defined for the user input element associated with the haptic output device, the boundary range partially overlapping each of the primary and secondary ranges. A position of the user input element is monitored, and the haptic effect rendered in response to an entry of the user input element to positions within the boundary range.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: September 11, 2018
    Assignee: Immersion Corporation
    Inventors: Srivatsav Venkatesan, Kaniyalal Shah, Douglas George Billington, Stephen Rank, Daniel Parker, Aaron Kapelus
  • Publication number: 20180246575
    Abstract: Systems and methods for monitoring insulation integrity for electrostatic friction are disclosed. One system may include a touch sensitive interface configured to detect user interaction; an electrostatic haptic output device configured to output one or more electrostatic haptic effects to the touch sensitive interface; a processor in communication with the touch sensitive interface and the electrostatic haptic output device, the processor configured to: determine an operating condition associated with the electrostatic haptic output device; determine a corrective action associated with the operating condition; and apply the corrective action.
    Type: Application
    Filed: April 27, 2018
    Publication date: August 30, 2018
    Applicant: Immersion Corporation
    Inventors: Kaniyalal Shah, Vincent Levesque
  • Publication number: 20180211496
    Abstract: An interface device configured to provide an electrostatic friction (ESF) effect is disclosed. The interface device comprises a plurality of electrodes disposed at a surface of the interface device. It further comprises a signal generating circuit configured to generate a first drive signal at an output of the signal generating circuit, and comprises a plurality of frequency filter units or delay elements electrically connected to the signal generating circuit and to the plurality of electrodes. The interface device further comprises a control unit configured to use the plurality of frequency filter units or delay elements: (i) to cause only a subset of one or more electrodes of the plurality of electrodes to output one or more respective ESF effects with the first drive signal, or (ii) to cause at least two electrodes to output respective ESF effects with the first drive signal in different respective manners.
    Type: Application
    Filed: March 9, 2018
    Publication date: July 26, 2018
    Inventors: Vincent Levesque, Juan Manuel Cruz-Hernandez, Mohammadreza Motamedi, Kaniyalal Shah, Ali Modarres
  • Patent number: 9996156
    Abstract: The embodiments are directed toward techniques for isolating a user input signal at a haptic output device. A signal originating from a user input element associated with the haptic output device is received. The received signal is separated into a first component including the user input signal, and a second component including a haptic feedback signal. While the first component is processed, the second component can be discarded or otherwise ignored.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: June 12, 2018
    Assignee: IMMERSION CORPORATION
    Inventors: Srivatsav Venkatesan, Kaniyalal Shah, Douglas George Billington, Stephen Rank, Daniel Parker, Aaron Kapelus
  • Patent number: 9983675
    Abstract: Systems and methods for monitoring insulation integrity for electrostatic friction are disclosed. One system may include a touch sensitive interface configured to detect user interaction; an electrostatic haptic output device configured to output one or more electrostatic haptic effects to the touch sensitive interface; a processor in communication with the touch sensitive interface and the electrostatic haptic output device, the processor configured to: determine an operating condition associated with the electrostatic haptic output device; determine a corrective action associated with the operating condition; and apply the corrective action.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: May 29, 2018
    Assignee: Immersion Corporation
    Inventors: Kaniyalal Shah, Vincent Levesque
  • Publication number: 20180136726
    Abstract: The present disclosure relates to systems and methods for haptically-enhanced smart home architectures. For example, one disclosed method includes determining a building component condition of a building component; determining an interaction with a control device in the building, the control device associated with the component of the building and comprising a haptic output device; determining a haptic effect based on the building component condition; and transmitting a signal to the haptic output device to cause the haptic output device to output the haptic effect.
    Type: Application
    Filed: November 14, 2016
    Publication date: May 17, 2018
    Inventors: Srivatsav Venkatesan, Graciela D. Franz, Kaniyalal Shah
  • Patent number: 9928700
    Abstract: An interface device configured to provide an electrostatic friction (ESF) effect is disclosed. The interface device comprises a plurality of electrodes disposed at a surface of the interface device. It further comprises a signal generating circuit configured to generate a first drive signal at an output of the signal generating circuit, and comprises a plurality of frequency filter units or delay elements electrically connected to the signal generating circuit and to the plurality of electrodes. The interface device further comprises a control unit configured to use the plurality of frequency filter units or delay elements: (i) to cause only a subset of one or more electrodes of the plurality of electrodes to output one or more respective ESF effects with the first drive signal, or (ii) to cause at least two electrodes to output respective ESF effects with the first drive signal in different respective manners.
    Type: Grant
    Filed: January 25, 2017
    Date of Patent: March 27, 2018
    Assignee: IMMERSION CORPORATION
    Inventors: Vincent Levesque, Juan Manuel Cruz-Hernandez, Mohammadreza Motamedi, Kaniyalal Shah, Ali Modarres