Patents by Inventor Anirudh Luthra

Anirudh Luthra 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).

  • Illumination apparatus
    Patent number: 7021795
    Abstract: Illumination apparatus (8) which comprises at least two light sources, at least one light collecting device for collecting light from the light sources (10), motion providing means for providing relative motion between the light sources (10) and the light collecting device (14), and control means for controlling the illumination of the light sources (10) such that the light sources (10) are illuminated for a predetermined time period when in a predetermined position relative to the light collecting device (14).
    Type: Grant
    Filed: January 10, 2003
    Date of Patent: April 4, 2006
    Assignee: SEOS Limited
    Inventors: Nicholas Richard Coates, Anirudh Luthra
  • Dynamic range enhancement of image display apparatus
    Patent number: 6985272
    Abstract: Image display apparatus comprising projector means, optical means for splitting incident light, a first modulator for modulating red light, a second modulator for modulating green light, a third modulator for modulating blue light, optical means for recombining the combined modulated red light, green light and blue light, and control means for controlling the operation of the first, second, third and fourth modulators such that the dynamic range of the image display apparatus is enhanced.
    Type: Grant
    Filed: November 26, 2003
    Date of Patent: January 10, 2006
    Assignee: SEOS Limited
    Inventors: Raymond John Bridgwater, Anirudh Luthra, John Robert Harding, Geoffrey Howard Blackham, Ian MacPherson
  • Dynamic range enhancement of image display apparatus
    Publication number: 20040169823
    Abstract: Image display apparatus comprising projector means, optical means for splitting incident light, a first modulator for modulating red light, a second modulator for modulating green light, a third modulator for modulating blue light, optical means for recombining the combined modulated red light, green light and blue light, and control means for controlling the operation of the first, second, third and fourth modulators such that the dynamic range of the image display apparatus is enhanced.
    Type: Application
    Filed: November 26, 2003
    Publication date: September 2, 2004
    Inventors: Raymond John Bridgwater, Anirudh Luthra, John Robert Harding, Geoffrey Howard Blackham, Ian MacPherson
  • Illumination apparatus
    Publication number: 20040125601
    Abstract: Illumination apparatus (8) which comprises at least two light sources, at least one light collecting device for collecting light from the light sources (10), motion providing means for providing relative motion between the light sources (10) and the light collecting device (14), and control means for controlling the illumination of the light sources (10) such that the light sources (10) are illuminated for a predetermined time period when in a predetermined position relative to the light collecting device (14).
    Type: Application
    Filed: September 23, 2003
    Publication date: July 1, 2004
    Inventors: Nicholas Richard Coates, Anirudh Luthra