Patents by Inventor Daniel Ostrowsky

Daniel Ostrowsky 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).

  • Coaxial optical fibre cable
    Patent number: 4158478
    Abstract: This invention provides a coaxial cable of the type comprising a central electric conductor and a peripheral electrically conducting screen separated from one another by a solid dielectric, this cable further comprising optical fibres embedded in the dielectric and symmetrically distributed between the central conductor and the peripheral screen.
    Type: Grant
    Filed: July 12, 1977
    Date of Patent: June 19, 1979
    Assignee: Thomson-CSF
    Inventors: Luigi D'Auria, Daniel Ostrowsky, Andre Jacques
  • Optical radiation generator electrically controlled
    Patent number: 3996526
    Abstract: An optical radiation generator, controlled by an input current, comprising a light emissive diode optically coupled to an optical waveguide and a photodiode located close to the radiating surface of the emissive diode for picking off a part of the optical radiation and for delivering a feedback current which is used in a current negative feedback loop. The light emissive diode, the extremity of the waveguide and the photodiode are encased in a transparent material providing optical coupling and mechanical stability.
    Type: Grant
    Filed: June 30, 1975
    Date of Patent: December 7, 1976
    Assignee: Thomson-CSF
    Inventors: Luigi d'Auria, Daniel Ostrowsky
  • Coupling device for an optical waveguide and a method for manufacturing such a device
    Patent number: 3977763
    Abstract: The invention relates to a coupling device for an optical waveguide, using a hologram recorded in a photoresist layer arranged on a face of the waveguide, and capable of coupling a wave having a predetermined wafe front and travelling outside the waveguide and a plane wave travelling inside the guide. The invention also describes a holographic method for manufacturing such a coupling device.
    Type: Grant
    Filed: March 12, 1975
    Date of Patent: August 31, 1976
    Assignee: Thomson-CSF
    Inventors: Daniel Ostrowsky, Andre Jacques, Michel Papuchon