Patents by Inventor Istvan Philipe Bernard Csajaghy

Istvan Philipe Bernard Csajaghy 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: 11750284
    Abstract: An optical wireless communication (OWC) device comprises: a receiver comprising: a dual-wavelength filter configured to filter light arriving at the receiver, wherein the dual-wavelength filter is configured to pass light of a first frequency and light of a second, different frequency, and wherein the dual-wavelength filter is configured to substantially block light of a third frequency between the first frequency and second frequency; and a photodetector configured to receive the filtered light and to sense modulated light of the first frequency and/or modulated light of the second frequency to produce at least one receiver signal; demodulation circuitry and a processing resource for performing a demodulation and processing with respect to the at least one receiver signal to obtain data encoded in the modulated light of the first frequency and/or data encoded in the modulated light of the second frequency; a transmitter comprising a light source configured to output modulated light of the third frequency; a
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: September 5, 2023
    Assignee: PURELIFI LIMITED
    Inventors: Luca Carraro, Istvan Philipe Bernard Csajaghy, Christopher Nigel Tate, Duncan John William Walker
  • Publication number: 20220166506
    Abstract: An optical wireless communication (OWC) device comprises: a receiver comprising: a dual-wavelength filter configured to filter light arriving at the receiver, wherein the dual-wavelength filter is configured to pass light of a first frequency and light of a second, different frequency, and wherein the dual-wavelength filter is configured to substantially block light of a third frequency between the first frequency and second frequency; and a photodetector configured to receive the filtered light and to sense modulated light of the first frequency and/or modulated light of the second frequency to produce at least one receiver signal; demodulation circuitry and a processing resource for performing a demodulation and processing with respect to the at least one receiver signal to obtain data encoded in the modulated light of the first frequency and/or data encoded in the modulated light of the second frequency; a transmitter comprising a light source configured to output modulated light of the third frequency; a
    Type: Application
    Filed: March 19, 2020
    Publication date: May 26, 2022
    Applicant: pureLiFi Limited
    Inventors: Luca Carraro, Istvan Philipe Bernard Csajaghy, Christopher Nigel Tate, Duncan John William Walker