Patents Assigned to Alces Technology
  • Compact 3D depth capture systems
    Patent number: 9389069
    Abstract: Compact 3D depth capture systems are based on a 3D system driver/interface, a 3D system camera, and a 3D system projector. The systems are compatible with integration in to mobile electronic devices such as smart phones and tablet computers.
    Type: Grant
    Filed: March 26, 2014
    Date of Patent: July 12, 2016
    Assignee: Alces Technology, Inc.
    Inventors: David M Bloom, Matthew A Leone
  • Grayscale patterns from binary spatial light modulators
    Patent number: 9316826
    Abstract: Brightness-by-column grayscale and spatial ?-? modulation grayscale allow grayscale patterns to be produced using a binary spatial light modulator as fast as the bright/dark switching speed.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: April 19, 2016
    Assignee: Alces Technology, Inc.
    Inventors: David M Bloom, Matthew A Leone
  • Grayscale patterns from binary spatial light modulators
    Patent number: 9175957
    Abstract: Brightness-by-column grayscale and spatial ?-? modulation grayscale allow grayscale patterns to be produced using a binary spatial light modulator as fast as the bright/dark switching speed.
    Type: Grant
    Filed: September 20, 2013
    Date of Patent: November 3, 2015
    Assignee: Alces Technology, Inc.
    Inventors: David M Bloom, Matthew A Leone
  • Digital drive signals for analog MEMS ribbon arrays
    Patent number: 9036243
    Abstract: On/off digital drive signals are used to create arbitrary spatial and temporal ribbon movement patterns in MEMS ribbon arrays.
    Type: Grant
    Filed: September 20, 2013
    Date of Patent: May 19, 2015
    Assignee: Alces Technology, Inc.
    Inventors: David M Bloom, Matthew A Leone
  • Structured light system
    Patent number: 8970676
    Abstract: A structured light system based on a fast, linear array light modulator and an anamorphic optical system captures three-dimensional shape information at high rates and has strong resistance to interference from ambient light. A structured light system having a modulated light source offers improved signal to noise ratios. A wand permits single point detection of patterns in structured light systems.
    Type: Grant
    Filed: March 26, 2014
    Date of Patent: March 3, 2015
    Assignee: Alces Technology
    Inventors: David M Bloom, Matthew A Leone
  • Structured light and time of flight depth capture with a MEMS ribbon linear array spatial light modulator
    Patent number: 8970827
    Abstract: A fast spatial light modulator based on a linear MEMS ribbon array enables a depth capture system to operate in structured light and time-of-flight modes. Time-of-flight depth information may be used to phase unwrap structured light depth information. Combined structured light and time-of-flight systems offer precise depth resolution over a wide range of distances.
    Type: Grant
    Filed: September 20, 2013
    Date of Patent: March 3, 2015
    Assignee: Alces Technology, Inc.
    Inventors: David M Bloom, Matthew A Leone
  • Structured light system
    Patent number: 8947509
    Abstract: A structured light system based on a fast, linear array light modulator and an anamorphic optical system captures three-dimensional shape information at high rates and has strong resistance to interference from ambient light. A structured light system having a modulated light source offers improved signal to noise ratios. A wand permits single point detection of patterns in structured light systems.
    Type: Grant
    Filed: March 26, 2014
    Date of Patent: February 3, 2015
    Assignee: Alces Technology, Inc.
    Inventors: David M Bloom, Matthew A Leone
  • Structured light system
    Publication number: 20140210948
    Abstract: A structured light system based on a fast, linear array light modulator and an anamorphic optical system captures three-dimensional shape information at high rates and has strong resistance to interference from ambient light. A structured light system having a modulated light source offers improved signal to noise ratios. A wand permits single point detection of patterns in structured light systems.
    Type: Application
    Filed: March 26, 2014
    Publication date: July 31, 2014
    Applicant: Alces Technology, Inc.
    Inventors: David M. Bloom, Matthew A. Leone
  • Low voltage drive for MEMS ribbon array light modulators
    Patent number: 8730557
    Abstract: A series bias voltage increases the sensitivity of a MEMS ribbon to control signal voltages. This effect is obtained because of the nonlinear dependence of ribbon deflection on applied voltage. The resulting low-voltage operation of MEMS ribbons makes them more compatible with high speed electronics.
    Type: Grant
    Filed: October 22, 2012
    Date of Patent: May 20, 2014
    Assignee: Alces Technology, Inc.
    Inventors: David M Bloom, Matthew A Leone
  • Structured light system
    Patent number: 8723923
    Abstract: A structured light system based on a fast, linear array light modulator and an anamorphic optical system captures three-dimensional shape information at high rates and has strong resistance to interference from ambient light. A structured light system having a modulated light source offers improved signal to noise ratios. A wand permits single point detection of patterns in structured light systems.
    Type: Grant
    Filed: January 14, 2010
    Date of Patent: May 13, 2014
    Assignee: Alces Technology
    Inventors: David M Bloom, Matthew A Leone
  • Multiple-linear-array MEMS display chips
    Patent number: 8451353
    Abstract: Single-chip, multiple-linear-array MEMS form the basis for high-resolution, high-frame-rate video displays.
    Type: Grant
    Filed: November 8, 2011
    Date of Patent: May 28, 2013
    Assignee: Alces Technology, Inc.
    Inventors: David M Bloom, Matthew A Leone
  • Monolithic IC and MEMS microfabrication process
    Patent number: 8445307
    Abstract: Monolithic IC/MEMS processes are disclosed in which high-stress silicon nitride is used as a mechanical material while amorphous silicon serves as a sacrificial layer. Electronic circuits and micro-electromechanical devices are built on separate areas of a single wafer. The sequence of IC and MEMS process steps is designed to prevent alteration of partially completed circuits and devices by subsequent high process temperatures.
    Type: Grant
    Filed: December 15, 2010
    Date of Patent: May 21, 2013
    Assignee: Alces Technology, Inc.
    Inventors: Richard Yeh, David M Bloom
  • MULTIPLE-LINEAR-ARRAY MEMS DISPLAY CHIPS
    Publication number: 20130114123
    Abstract: Single-chip, multiple-linear-array MEMS form the basis for high-resolution, high-frame-rate video displays.
    Type: Application
    Filed: November 8, 2011
    Publication date: May 9, 2013
    Applicant: Alces Technology, Inc.
    Inventors: David M. Bloom, Matthew A. Leone
  • Pseudo bipolar MEMS ribbon drive
    Patent number: 8368984
    Abstract: A pseudo bipolar method for driving a MEMS ribbon device reduces charging effects in the device.
    Type: Grant
    Filed: October 22, 2010
    Date of Patent: February 5, 2013
    Assignee: Alces Technology, Inc.
    Inventors: Richard Yeh, David M Bloom
  • Scanned, one-dimensional, phased-array display system
    Patent number: 8368994
    Abstract: A scanned, one-dimensional, phased-array display system combines imaging optics on one axis with Fourier transform optics on another. The display offers the energy efficiency and fault tolerance of phase modulator-based displays, and the compactness, flexibility and speed of optical MEMS. Also described is a mechanism to introduce amplitude variations on the Fourier axis if needed to compensate for image artifacts.
    Type: Grant
    Filed: June 28, 2008
    Date of Patent: February 5, 2013
    Assignee: Alces Technology, Inc.
    Inventor: David M. Bloom
  • Optical systems for laser arrays
    Patent number: 8249127
    Abstract: Surface emitting laser arrays with intra-cavity harmonic generation are coupled to an optical system that extracts harmonic light in both directions from an intra-cavity nonlinear optical material in such a way that the focusing properties of the light beams are matched.
    Type: Grant
    Filed: January 10, 2012
    Date of Patent: August 21, 2012
    Assignee: Alces Technology, Inc.
    Inventor: David M Bloom
  • Optical systems for laser arrays
    Publication number: 20120106580
    Abstract: Surface emitting laser arrays with intra-cavity harmonic generation are coupled to an optical system that extracts harmonic light in both directions from an intra-cavity nonlinear optical material in such a way that the focusing properties of the light beams are matched.
    Type: Application
    Filed: January 10, 2012
    Publication date: May 3, 2012
    Applicant: Alces Technology, Inc.
    Inventor: David M. Bloom
  • Pseudo Bipolar MEMS Ribbon Drive
    Publication number: 20120099171
    Abstract: A pseudo bipolar method for driving a MEMS ribbon device reduces charging effects in the device.
    Type: Application
    Filed: October 22, 2010
    Publication date: April 26, 2012
    Applicant: Alces Technology, Inc.
    Inventors: Richard Yeh, David M. Bloom
  • Display system
    Patent number: 8139282
    Abstract: A display system is based on a linear array phase modulator and a phase edge discriminator optical system.
    Type: Grant
    Filed: March 30, 2011
    Date of Patent: March 20, 2012
    Assignee: Alces Technology, Inc.
    Inventors: David M Bloom, Matthew A Leone
  • Optical systems for laser arrays
    Patent number: 8121171
    Abstract: Surface emitting laser arrays with intra-cavity harmonic generation are coupled to an optical system that extracts harmonic light in both directions from an intra-cavity nonlinear optical material in such a way that the focusing properties of the light beams are matched.
    Type: Grant
    Filed: October 16, 2009
    Date of Patent: February 21, 2012
    Assignee: Alces Technology, Inc.
    Inventor: David M Bloom