Patents by Inventor Hendrik Bijl

Hendrik Bijl 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).

  • Formulations comprising vitamin b12, method of production and use thereof
    Publication number: 20060051323
    Abstract: Particles comprising a vitamin B12-containing microbial biomass and a solid carrier and compositions comprising said particles and a method for the production of such particles and compositions.
    Type: Application
    Filed: November 13, 2003
    Publication date: March 9, 2006
    Inventors: Hendrik Bijl, Sandjai Sardjoepersad
  • Movement detector with tapering kaleidoscopic mirrors and method of installing such a detector
    Patent number: 6737631
    Abstract: A movement detector for detecting movement of a body includes a light sensor, a kaleidoscopic mirror and a lens for projecting a multiple image of the space onto the sensor. The movement detector is very sensitive and has a very small diameter.
    Type: Grant
    Filed: April 23, 2001
    Date of Patent: May 18, 2004
    Assignee: Koninklijke Philips Electronics N.V.
    Inventors: Christiaan Jacob Martens, Hendrik Bijl
  • Lighting control device and method of controlling lighting
    Publication number: 20020015097
    Abstract: A lighting arrangement comprising a sensor which is capable of measuring electromagnetic radiation, preferably visible light as well as infrared light, in a room, and comprising control means for controlling the lighting in the room in dependence upon the measured radiation, the sensor comprising a video sensor, such as a CCD (Charged Coupled Device) sensor, which is capable of producing an electronic image of the room.
    Type: Application
    Filed: June 20, 2001
    Publication date: February 7, 2002
    Inventors: Christiaan Jacob Martens, Noel Francois Leopold Bonne, Hendrik Bijl
  • Movement detector and method of installing such a detector
    Publication number: 20020005487
    Abstract: A movement detector includes a lens and a kaleidoscopic mirror. The movement detector is very sensitive and has a very small diameter.
    Type: Application
    Filed: April 23, 2001
    Publication date: January 17, 2002
    Inventors: Christiaan Jacob Martens, Hendrik Bijl