Patents by Inventor Lodevicus Petrus M. Bracke

Lodevicus Petrus M. Bracke 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: 4079319
    Abstract: Radio frequency signal distribution device for use in a distribution system for VHF and UHF signals, which device comprises an input terminal, an output terminal and a signal transmission line connected between the input terminal and the output terminal, which signal transmission line is provided with a plurality of directional couplers which are connected in series for the radio frequency signal on the signal transmission line, each directional coupler comprising a coupling loop as well as a tap-off terminal which is connected to the coupling loop, which coupling loop has an electrical length of a quarter of the wavelength of a frequency in the TV UHF range, which signal distribution device can supply signals to some dozens of subscribers within a radius of 80 to 100 m which signals satisfy the requirements imposed in practice as regards the signal level within given frequency bands.
    Type: Grant
    Filed: January 21, 1977
    Date of Patent: March 14, 1978
    Assignee: U.S. Philips Corporation
    Inventor: Lodevicus Petrus M. Bracke