Patents by Inventor Theodorus F. M. M. Maas

Theodorus F. M. M. Maas 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).

  • Light generator for introducing light into a bundle of optical fibers
    Patent number: 6402347
    Abstract: The light generator comprises a housing (1) with a light source in the form of a plurality of LEDs (3, 3′, . . . ), each having a luminous flux of at least 5 lm during operation. The housing (1) also comprises a collimating lens (6) and a Fresnel lens (8) for focusing the beam generated by the LEDs (3, 3′, . . . ). The light engine is further provided with drive means in a box (10) for driving the LEDs (3, 3′, . . . ). Preferably, the collimator lens (6) has a number of sub-lenses (7, 7′, . . . ), the optical axis of each of the sub-lenses coinciding with the optical axis of a respective one of the LEDs (3, 3′, . . .).
    Type: Grant
    Filed: December 15, 1999
    Date of Patent: June 11, 2002
    Assignee: Koninklijke Philips Electronics N.V.
    Inventors: Theodorus F. M. M. Maas, Johannes P. M. Ansems, Simon H. A. Begemann