Patents by Inventor Frank A. Friedman

Frank A. Friedman 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).

  • Universal support apparatus for camera enabled mobile computer devices
    Patent number: 11913601
    Abstract: A universal support apparatus for supporting different camera enabled mobile computer devices, such as laptop computers, tablets and cell phones, that have a display screen and camera coverage areas in front of the display screen and that are used for creating video sessions such as for on-line meetings, webinars and podcasts. The support apparatus includes mobile device support platform configured to support a laptop computer such that it's folded out display screen and camera can be positioned to face the user and an adaptor for the mobile device support platform for holding planar tablets, cell phones and the like in the same or similar user facing orientation.
    Type: Grant
    Filed: July 21, 2022
    Date of Patent: February 27, 2024
    Assignee: Herst Ventures, Inc.
    Inventors: Douglas J. Herst, Frank A. Friedman
  • UNIVERSAL SUPPORT APPARATUS FOR CAMERA ENABLED MOBILE COMPUTER DEVICES
    Publication number: 20220356989
    Abstract: A universal support apparatus for supporting different camera enabled mobile computer devices, such as laptop computers, tablets and cell phones, that have a display screen and camera coverage areas in front of the display screen and that are used for creating video sessions such as for on-line meetings, webinars and podcasts. The support apparatus includes mobile device support platform configured to support a laptop computer such that it's folded out display screen and camera can be positioned to face the user and an adaptor for the mobile device support platform for holding planar tablets, cell phones and the like in the same or similar user facing orientation.
    Type: Application
    Filed: July 21, 2022
    Publication date: November 10, 2022
    Inventors: Douglas J. Herst, Frank A. Friedman
  • CDMA/OFDM linearity compliant wireless communication amplifier
    Patent number: 9385664
    Abstract: A digital pre-distortion system which can provide the flexibility to model the highly non-linear distortion associated with High Efficiency RF Power Amplifiers while through a novel implementation of a least squares estimation process allows an implementation well suited for an FPGA application where limited resources and in particular memory resources are available.
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: July 5, 2016
    Assignee: ACEAXIS NETWORK TECHNOLOGY LTD
    Inventors: Philip Brown, Jeremy Segar, John Ibison, Frank Friedman, Stephen Cooper
  • CDMA/OFDM LINEARITY COMPLIANT WIRELESS COMMUNICATION AMPLIFIER
    Publication number: 20140167845
    Abstract: A digital pre-distortion system which can provide the flexibility to model the highly non-linear distortion associated with High Efficiency RF Power Amplifiers while through a novel implementation of a least squares estimation process allows an implementation well suited for an FPGA application where limited resources and in particular memory resources are available.
    Type: Application
    Filed: December 19, 2013
    Publication date: June 19, 2014
    Applicant: AceAxis Limited
    Inventors: Philip Brown, Jeremy Segar, John Ibison, Frank Friedman, Stephen Cooper
  • CDMA/OFDM linearity compliant wireless communication amplifier
    Patent number: 8736366
    Abstract: A digital pre-distortion system which can provide the flexibility to model the highly non-linear distortion associated with High Efficiency RF Power Amplifiers while through a novel implementation of a least squares estimation process allows an implementation well suited for an FPGA application where limited resources and in particular memory resources are available.
    Type: Grant
    Filed: November 14, 2012
    Date of Patent: May 27, 2014
    Assignee: AceAxis Limited
    Inventors: Philip Brown, Jeremy Segar, John Ibison, Frank Friedman, Stephen Cooper
  • Light emitting devices and applications thereof
    Patent number: 8721152
    Abstract: In one aspect, the present invention provides light emitting devices, including light fixtures and luminaires. In some embodiments, a light emitting device comprises at least one light source, a lightguide operable to receive light from the at least one light source at a first location on the lightguide, at least one light extraction region optically coupled to the lightguide and a substantially non-scattering region along a portion of the lightguide.
    Type: Grant
    Filed: May 3, 2010
    Date of Patent: May 13, 2014
    Assignees: ABL IP Holding LLC, Fusion Optix, Inc.
    Inventors: Zane Coleman, John X Zhang, Peter Yi Yan Ngai, Frank Friedman, James M Young
  • Digital compensation for parasitic distortion resulting from direct baseband to RF modulation
    Patent number: 8340603
    Abstract: A digital pre-distortion system which can provide the flexibility to model the highly non-linear distortion associated with High Efficiency RF Power Amplifiers while through a novel implementation of a least squares estimation process allows an implementation well suited for an FPGA application where limited resources and in particular memory resources are available.
    Type: Grant
    Filed: July 7, 2010
    Date of Patent: December 25, 2012
    Inventors: Philip Brown, John Ibison, Jeremy Segar, Stephen Cooper, Frank Friedman
  • Distributed mobile communication network
    Patent number: 8301090
    Abstract: A digital pre-distortion system which can provide the flexibility to model the highly non-linear distortion associated with High Efficiency RF Power Amplifiers while through a novel implementation of a least squares estimation process allows an implementation well suited for an FPGA application where limited resources and in particular memory resources are available.
    Type: Grant
    Filed: July 6, 2010
    Date of Patent: October 30, 2012
    Inventors: Philip Brown, John Ibison, Jeremy Segar, Stephen Cooper, Frank Friedman
  • CDMA/OFDM compliant wireless communication from a non-linear finite impulse response filter configured with coefficients that are responsive to an input signal magnitude
    Patent number: 8283978
    Abstract: A digital pre-distortion system which can provide the flexibility to model the highly non-linear distortion associated with High Efficiency RF Power Amplifiers while through a novel implementation of a least squares estimation process allows an implementation well suited for an FPGA application where limited resources and in particular memory resources are available.
    Type: Grant
    Filed: June 11, 2010
    Date of Patent: October 9, 2012
    Inventors: Philip Brown, John Ibison, Jeremy Segar, Stephen Cooper, Frank Friedman
  • Dynamic radio frequency amplifier distortion adjustment based on linearly interpolating from a sample of pre-distortion coefficients that are selected based on signal magnitude
    Patent number: 8283977
    Abstract: A digital pre-distortion system which can provide the flexibility to model the highly non-linear distortion associated with High Efficiency RF Power Amplifiers while through a novel implementation of a least squares estimation process allows an implementation well suited for an FPGA application where limited resources and in particular memory resources are available.
    Type: Grant
    Filed: May 5, 2010
    Date of Patent: October 9, 2012
    Inventors: Philip Brown, John Ibison, Jeremy Segar, Stephen Cooper, Frank Friedman
  • Wireless signal corrective pre-distortion using linearly interpolated filter coefficients derived from an amplifier sample set that is representative of amplifier nonlinearlity
    Patent number: 8253490
    Abstract: A digital pre-distortion system which can provide the flexibility to model the highly non-linear distortion associated with High Efficiency RF Power Amplifiers while through a novel implementation of a least squares estimation process allows an implementation well suited for an FPGA application where limited resources and in particular memory resources are available.
    Type: Grant
    Filed: May 5, 2010
    Date of Patent: August 28, 2012
    Inventors: Philip Brown, John Ibison, Jeremy Segar, Stephen Cooper, Frank Friedman
  • Time-alignment of two signals used for digital pre-distortion
    Patent number: 8111101
    Abstract: A digital pre-distortion system which can provide the flexibility to model the highly non-linear distortion associated with High Efficiency RF Power Amplifiers while through a novel implementation of a least squares estimation process allows an implementation well suited for an FPGA application where limited resources and in particular memory resources are available.
    Type: Grant
    Filed: July 8, 2010
    Date of Patent: February 7, 2012
    Inventors: Philip Brown, John Ibison, Jeremy Segar, Stephen Cooper, Frank Friedman
  • Signal pre-distortion facility for amplifier non-linearity compensation
    Patent number: 8093949
    Abstract: A digital pre-distortion system which can provide the flexibility to model the highly non-linear distortion associated with High Efficiency RF Power Amplifiers while through a novel implementation of a least squares estimation process allows an implementation well suited for an FPGA application where limited resources and in particular memory resources are available.
    Type: Grant
    Filed: July 6, 2010
    Date of Patent: January 10, 2012
    Inventors: Philip Brown, John Ibison, Jeremy Segar, Stephen Cooper, Frank Friedman
  • Increasing the density of larger magnitude amplifier output samples for estimating a model of digital pre-distortion to compensate for amplifier non-linearity
    Patent number: 8049560
    Abstract: A digital pre-distortion system which can provide the flexibility to model the highly non-linear distortion associated with High Efficiency RF Power Amplifiers while through a novel implementation of a least squares estimation process allows an implementation well suited for an FPGA application where limited resources and in particular memory resources are available.
    Type: Grant
    Filed: July 8, 2010
    Date of Patent: November 1, 2011
    Inventors: Philip Brown, John Ibison, Jeremy Segar, Stephen Cooper, Frank Friedman
  • Resource efficient adaptive digital pre-distortion system
    Patent number: 8030997
    Abstract: A digital pre-distortion system which can provide the flexibility to model the highly non-linear distortion associated with High Efficiency RF Power Amplifiers while through a novel implementation of a least squares estimation process allows an implementation well suited for an FPGA application where limited resources and in particular memory resources are available.
    Type: Grant
    Filed: November 11, 2009
    Date of Patent: October 4, 2011
    Inventors: Philip Brown, John Ibison, Jeremy Segar, Stephen Cooper, Frank Friedman
  • Time - Alignment of Two Signals Used for Digital Pre-Distortion
    Publication number: 20110163805
    Abstract: A digital pre-distortion system which can provide the flexibility to model the highly non-linear distortion associated with High Efficiency RF Power Amplifiers while through a novel implementation of a least squares estimation process allows an implementation well suited for an FPGA application where limited resources and in particular memory resources are available.
    Type: Application
    Filed: July 8, 2010
    Publication date: July 7, 2011
    Applicant: AXIS NETWORK TECHNOLOGY LTD.
    Inventors: Philip Brown, John Ibison, Jeremy Segar, Stephen Cooper, Frank Friedman
  • Lighting fixture
    Patent number: D638982
    Type: Grant
    Filed: September 21, 2010
    Date of Patent: May 31, 2011
    Assignee: ABL IP Holding, LLC
    Inventor: Frank A. Friedman
  • Wall mounted lighting fixture
    Patent number: D653378
    Type: Grant
    Filed: June 3, 2011
    Date of Patent: January 31, 2012
    Assignee: ABL IP Holdings, LLC
    Inventors: Frank A. Friedman, Nicholas R. Trincia
  • Lighting fixture
    Patent number: D653794
    Type: Grant
    Filed: May 28, 2011
    Date of Patent: February 7, 2012
    Assignee: ABL IP Holding, LLC
    Inventor: Frank A. Friedman
  • Lighting fixture
    Patent number: D653796
    Type: Grant
    Filed: May 28, 2011
    Date of Patent: February 7, 2012
    Assignee: ABL IP Holding, LLC
    Inventor: Frank A. Friedman