Patents by Inventor Kannan Raj

Kannan Raj 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).

  • Patent number: 6992709
    Abstract: An apparatus for determining a type of an illuminant including a spectrum diffraction unit and a sensor coupled to the spectrum diffraction unit. An illuminant discrimination unit is coupled to the sensor and configured to receive a set of signals representative of a set of spectral components in the illuminant and to determine the type.
    Type: Grant
    Filed: February 26, 1999
    Date of Patent: January 31, 2006
    Assignee: Intel Corporation
    Inventors: Kannan Raj, Tonia Morris
  • Publication number: 20050104178
    Abstract: A method of fabricating an interconnect includes forming one or more holes in an anisotropic conductive film on a carrier substrate, filling at least one of the one or more holes with a material capable of transmitting an optical signal, and laminating the anisotropic conductive film on a packaging substrate. An electronic package includes a first substrate, a second substrate, and an interconnect located between the first substrate and the second substrate. The interconnect includes a conductive film for electrically coupling a first terminal formed on the first substrate to a second terminal formed on the second substrate, and one or more optically transmissive units embedded in the conductive film, wherein at least one of the one or more optically transmissive units provides an optical signal path between an optical element on the first substrate and an optical element on the second substrate.
    Type: Application
    Filed: December 22, 2004
    Publication date: May 19, 2005
    Inventors: Jonathan McFarland, Kannan Raj
  • Patent number: 6847747
    Abstract: An interconnect comprising an anisotropic conductive film and an optically transmissive unit embedded in the anisotropic conductive film. The optically transmissive unit provides an optically transmissive path through the anisotropic conductive film. In an alternative embodiment, an electronic package comprises a first substrate, a second substrate, and an interconnect located between the first substrate and the second substrate. The interconnect comprises an anisotropic conductive film for electrically coupling a first conductive element formed on the first substrate to a second conductive element formed on the second substrate and one or more optically transmissive units embedded in the anisotropic conductive film. At least one of the one or more optically transmissive units couples an optical signal path on the first substrate to an optical receiver on the second substrate.
    Type: Grant
    Filed: April 30, 2001
    Date of Patent: January 25, 2005
    Assignee: Intel Corporation
    Inventors: Jonathan McFarland, Kannan Raj
  • Publication number: 20040212704
    Abstract: A method to reduce the effect of noise on a pixel sensor element includes accumulating charge during an image capture operation (the accumulated charge representing a combination of noise and image), and discharging the accumulated charge for a predetermined time to generate a pixel sensor signal. The act of discharging may be passive or active.
    Type: Application
    Filed: May 27, 2004
    Publication date: October 28, 2004
    Inventors: Cynthia Bell, Kannan Raj
  • Patent number: 6795566
    Abstract: In accordance with one embodiment of the invention, a method is provided for integrating at least a portion of a watermark into at least a portion of a compressed image. The method of this embodiment includes encoding at least a portion of the watermark and compressing at least a portion of the image. The encoded watermark, or portion thereof, and the compressed image, or portion thereof, are combined. Of course, many other embodiments in accordance with the invention are included within the scope of the present invention.
    Type: Grant
    Filed: June 9, 2003
    Date of Patent: September 21, 2004
    Assignee: Intel Corporation
    Inventors: Tinku Acharya, Kannan Raj
  • Patent number: 6786651
    Abstract: A system for coupling optoelectronic devices, associated electrical components, and optical fibers is described. The system includes a substrate to which optoelectronic devices and at least some of the associated electronic components are formed on or formed using the substrate material. The substrate is further configured to receive and attach to one or more optical fibers. The system can be used to form transceivers for multiplexing and/or demultiplexing electronic information.
    Type: Grant
    Filed: March 22, 2002
    Date of Patent: September 7, 2004
    Assignee: Primarion, Inc.
    Inventors: Kannan Raj, Wuchun Chou, C. Phillip McClay, Robert Carroll, Suresh Golwalkar, Noah Davis, John Burns
  • Patent number: 6731306
    Abstract: A method includes storing an analog indication of a terminal voltage of a pixel cell. A second indication of an incremental update to the terminal voltage is received, and the analog indication is used to modify the terminal voltage to reflect the incremental update. The pixel cell may form part of a display panel.
    Type: Grant
    Filed: October 9, 2001
    Date of Patent: May 4, 2004
    Assignee: Intel Corporation
    Inventors: Lawrence A. Booth, Jr., Kannan Raj
  • Patent number: 6722792
    Abstract: An improved optical interconnect structure, system including the structure, and method of forming the structure and system are disclosed. The optical interconnect structure includes a waveguide and a reflective structure. Either the waveguide, the reflective structure, or both include a curved surface to facilitate focusing of light transmitted between the waveguide and an optoelectronic device.
    Type: Grant
    Filed: January 22, 2002
    Date of Patent: April 20, 2004
    Assignee: Primarion, Inc.
    Inventors: Kannan Raj, C. Phillip McClay
  • Patent number: 6665014
    Abstract: An array of photosensitive devices may be formed with improved fill factors by including a diffractive microlens which may have a stepped configuration. The microlens may be formed of a sol-gel material having a photoinitiator, or other materials that may be defined with low temperature techniques commonly used in connection with photoresist. In particular, a gray scale mask may be used to define a plurality of steps in the resulting microlens which have different diffractive characteristics.
    Type: Grant
    Filed: November 25, 1998
    Date of Patent: December 16, 2003
    Assignee: Intel Corporation
    Inventors: Azar Assadi, Kannan Raj
  • Patent number: 6654501
    Abstract: In accordance with one embodiment of the invention, a method of integrating a watermark, or portion thereof, into an image, or portion thereof, includes the following. The watermark, or portion thereof, is blended into the image, or portion thereof, so as to appear as noise.
    Type: Grant
    Filed: March 6, 2000
    Date of Patent: November 25, 2003
    Assignee: Intel Corporation
    Inventors: Tinku Acharya, Kannan Raj
  • Patent number: 6642915
    Abstract: A method includes storing an analog indication of a terminal voltage of a pixel cell. A second indication of an incremental update to the terminal voltage is received, and the analog indication is used to modify the terminal voltage to reflect the incremental update. The pixel cell may form part of a display panel.
    Type: Grant
    Filed: July 13, 1999
    Date of Patent: November 4, 2003
    Assignee: Intel Corporation
    Inventors: Lawrence A. Booth, Jr., Kannan Raj
  • Patent number: 6639714
    Abstract: An integrated circuit may have a spatial light modulator formed on one side of a semiconductor support and a microprocessor formed on the opposite side. The microprocessor and the spatial light modulator may communicate with one another through electrical connections which extend completely through the semiconductor support. The microprocessor may be contacted using bump packaging techniques.
    Type: Grant
    Filed: November 7, 2001
    Date of Patent: October 28, 2003
    Assignee: Intel Corporation
    Inventors: Ronald D. Smith, Kannan Raj
  • Publication number: 20030194109
    Abstract: In accordance with one embodiment of the invention, a method of integrating at least a portion of a watermark into at least a portion of a compressed image includes the following. The at least a portion of the watermark is encoded. THe at least a portion the image is compressed. The at least a portion of the-encoded watermark and the at least a portion of the compressed image are combined. Of course, many other embodiments in accordance with the invention are included within the scope of the present invention.
    Type: Application
    Filed: June 9, 2003
    Publication date: October 16, 2003
    Inventors: Tinku Acharya, Kannan Raj
  • Patent number: 6608912
    Abstract: In accordance with one embodiment of the invention, a method is provided for integrating at least a portion of a watermark into at least a portion of a compressed image. The method of this embodiment includes encoding at least a portion of the watermark and compressing at least a portion of the image. The encoded watermark, or portion thereof, and the compressed image, or portion thereof, are combined. Of course, many other embodiments in accordance with the invention are included within the scope of the present invention.
    Type: Grant
    Filed: July 12, 2002
    Date of Patent: August 19, 2003
    Assignee: Intel Corporation
    Inventors: Tinku Acharya, Kannan Raj
  • Patent number: 6588940
    Abstract: A fiber optic connector system may include a elliptical reflector arranged to couple light from one optical fiber to another. The elliptical reflector has two foci, one of which may correspond to an end of a first optical fiber and the other of which may correspond to an end of another optical fiber. Thus, light emitted from one fiber may be coupled to another fiber.
    Type: Grant
    Filed: January 27, 2002
    Date of Patent: July 8, 2003
    Assignee: Intel Corporation
    Inventors: Kannan Raj, Roland M. Morley
  • Publication number: 20030122939
    Abstract: An embodiment of the invention is a method of generating a final exposure setting, including, (a) selecting one of a number of predetermined exposure settings as a current exposure setting for a solid state camera having a camera imager, (b) generating a captured scene by the camera imager using the current exposure setting, (c) selecting according to an automated search methodology another one of the exposure settings to be the current setting in response to the captured scene being underexposed or overexposed, and, (d) repeating (b) and (c) until the captured scene is neither underexposed or overexposed.
    Type: Application
    Filed: November 25, 2002
    Publication date: July 3, 2003
    Inventors: Cynthia S. Bell, Edward P. Tomaszewski, Amy E. Hansen, Kannan Raj
  • Patent number: 6542134
    Abstract: A projection system includes at least one light source, at least one light modulator and a holographic beam splitter. The light source(s) are adapted to furnish unmodulated beams of light, and each unmodulated beam of light is associated with a different color channel. Each light modulator is associated with a different one of the unmodulated beams of light and is adapted to modulate the associated unmodulated beam of light to produce a modulated beam of light. The holographic beam splitter is adapted to direct each of the unmodulated beams of light to the associated light modulator.
    Type: Grant
    Filed: March 24, 1999
    Date of Patent: April 1, 2003
    Assignee: Intel Corporation
    Inventor: Kannan Raj
  • Patent number: 6530666
    Abstract: A system detects reflected light from a projection screen associated with a projection display. Reflected light may be analyzed to determine whether the projector is in focus. This information may be used to create input signals that automatically focus the projection display.
    Type: Grant
    Filed: June 10, 1999
    Date of Patent: March 11, 2003
    Assignee: Intel Corporation
    Inventors: Ronald D. Smith, Kannan Raj
  • Publication number: 20030038297
    Abstract: A system for transmitting information between a plurality of microelectronic devices is disclosed. The system includes a plurality of microelectronic devices coupled to an interconnect, which may be optical or electrical. The system may further include one or more switches to transfer information between the various microelectronic devices.
    Type: Application
    Filed: September 5, 2002
    Publication date: February 27, 2003
    Inventors: Robert Carroll, William Pohlman, Jonathan McFarland, Kannan Raj, Suresh Golwalkar, Wuchun Chou, C. Phillip McClay
  • Patent number: 6496291
    Abstract: An optical serial link may be formed of an optical transceiver and a reflective wavelength coupler. The coupler may reflect light beams of different wavelengths using an elliptical reflector and a dispersive element.
    Type: Grant
    Filed: October 17, 2000
    Date of Patent: December 17, 2002
    Assignee: Intel Corporation
    Inventors: Kannan Raj, Werner Metz