Patents by Inventor Wolfram Schilz

Wolfram Schilz 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).

  • Doppler radar measuring apparatus
    Patent number: 4567484
    Abstract: Range-dependent sensitivity of an RF doppler radar apparatus is reduced to prevent false alarms when small objects move in close proximity to the apparatus' antenna. The sensitivity is reduced by periodically FM-modulating the transmitted RF signal at a frequency corresponding to a wavelength which is at least four times the operating range of the apparatus. The reflection of the transmitted signal is mixed with the transmitted signal to produce a difference frequency signal which is sampled at instants of maximum amplitude.
    Type: Grant
    Filed: May 18, 1984
    Date of Patent: January 28, 1986
    Assignee: U.S. Philips Corporation
    Inventors: Wolfram Schilz, Burkhard Schiek
  • Microwave method for measuring the relative moisture content of an object
    Patent number: 4361801
    Abstract: The moisture content of an object is determined by placing the object in a field produced by a microwave applicator and measuring the dielectric properties of the applicator. The measured properties are used to derive the moisture content from known dielectric properties for the applicator without the object present, and from known moisture/dielectric properties for the specific material of the object.
    Type: Grant
    Filed: July 14, 1980
    Date of Patent: November 30, 1982
    Assignee: U.S. Philips Corporation
    Inventors: Wolfgang Meyer, Wolfram Schilz
  • Microwave range measuring system for measuring the distance of an object
    Patent number: 4238795
    Abstract: Disclosed is a microwave range measuring system for determing the distance to an object by means of the phase difference between a transmitted frequency-modulated wave and the wave reflected by and received from the object. The frequency of the transmitted microwave signal is varied between two fixed frequencies f.sub.u and f.sub.o and the signal reflected by and received from the object is converted by means of a signal converter into an intermediate frequency signal from whose total phase shift the distance is derived.
    Type: Grant
    Filed: October 24, 1978
    Date of Patent: December 9, 1980
    Assignee: U.S. Philips Corporation
    Inventors: Burkhard Schiek, Wolfram Schilz, Rolf Jacobson
  • Device for reducing the granulation in the transmission of optical information by means of a highly coherent beam of radiation
    Patent number: 3941456
    Abstract: A device is described for reducing the granulation during the transmission of optical information with a highly coherent radiation beam. The device includes a first objective system, a radiation-diffusing element disposed in the image plane thereof, a second objective system and a radiation refracting element of a medium whose refractive property is variable under the influence of an ultrasonic wave.
    Type: Grant
    Filed: March 25, 1974
    Date of Patent: March 2, 1976
    Assignee: U.S. Philips Corporation
    Inventors: Wolfram Schilz, Manfred Rahlff, Uwe Jurgen Schmidt, Klaus Gottfried Plass, Eckhard Schroder