Patents by Inventor Ulf Leonhardt

Ulf Leonhardt 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: 10938486
    Abstract: An optical bus for multi-core processing providing optical data transfer between cores through a single planar waveguide employing a variable-thickness, light-propagation layer having a progressively changing effective refractive index in accordance with lateral position within the light-propagation layer such that light emission from a single light emitter in communication with one core is focused on each of multiple photodetectors in communication with its respective processer core.
    Type: Grant
    Filed: August 20, 2018
    Date of Patent: March 2, 2021
    Assignee: YEDA RESEARCH AND DEVELOPMENT CO. LTD.
    Inventor: Ulf Leonhardt
  • Publication number: 20200382221
    Abstract: An optical bus for multi-core processing providing optical data transfer between cores through a single planar waveguide employing a variable-thickness, light-propagation layer having a progressively changing effective refractive index in accordance with lateral position within the light-propagation layer such that light emission from a single light emitter in communication with one core is focused on each of multiple photodetectors in communication with its respective processer core.
    Type: Application
    Filed: August 20, 2018
    Publication date: December 3, 2020
    Applicant: YEDA RESEARCH AND DEVELOPMENT CO., LTD.
    Inventor: Ulf LEONHARDT
  • Patent number: 9581796
    Abstract: The resolution of conventional imaging devices is restricted by the diffraction limit. ‘Perfect’ imaging devices which can achieve a resolution beyond the diffraction limit have been considered impossible to implement. However, the present disclosure provides an imaging device which can achieve improved resolution beyond the diffraction limit and which can be implemented in practice. Said imaging device comprises: a. a lens having a refractive index that varies according to a predetermined refractive index profile; b. a source; c. an outlet for decoupling waves from the device; and d. a reflector provided around the lens, the source and the outlet, wherein the reflector and the refractive index profile of the lens are together arranged to direct waves transmitted in any of a plurality of directions from the source to the outlet.
    Type: Grant
    Filed: September 3, 2010
    Date of Patent: February 28, 2017
    Assignees: The University Court of the University of St. Andrews, Masaryk University, Cornell University
    Inventors: Ulf Leonhardt, Tomas Tyc, Lucas Heitzmann Gabrielli, Michal Lipson
  • Publication number: 20140374576
    Abstract: The resolution of conventional imaging devices is restricted by the diffraction limit ‘Perfect’ imaging devices which can achieve a resolution beyond the diffraction limit have been considered impossible to implement. However, the present disclosure provides an imaging device which can achieve improved resolution beyond the diffraction limit and which can be implemented in practice. Said imaging device comprises: a. a lens having a refractive index that varies according to a predetermined refractive index profile; b. a source; c. an outlet for decoupling waves from the device; and d. a reflector provided around the lens, the source and the outlet, wherein the reflector and the refractive index profile of the lens are together arranged to direct waves transmitted in any of a plurality of directions from the source to the outlet.
    Type: Application
    Filed: September 3, 2010
    Publication date: December 25, 2014
    Applicants: The University Court of the University of St Andrews, Masaryk University, Cornell University
    Inventors: Ulf Leonhardt, Tomas Tyc, Lucas Heitzmann Gabrielli, Michal Lipson
  • Publication number: 20140097332
    Abstract: The resolution of conventional imaging devices is restricted by the diffraction limit ‘Perfect’ imaging devices which can achieve a resolution beyond the diffraction limit have been considered impossible to implement. However, the present disclosure provides an imaging device which can achieve improved resolution beyond the diffraction limit and which can be implemented in practice. Said imaging device comprises: a. a lens having a refractive index that varies according to a predetermined refractive index profile; b. a source; c. an outlet for decoupling waves from the device; and d. a reflector provided around the lens, the source and the outlet, wherein the reflector and the refractive index profile of the lens are together arranged to direct waves transmitted in any of a plurality of directions from the source to the outlet.
    Type: Application
    Filed: September 3, 2010
    Publication date: April 10, 2014
    Applicants: The University Court of the University of St Andrews, Masaryk University, Cornell University
    Inventors: Ulf Leonhardt, Tomas Tyc, Lucas Heitzmann Gabrielli, Michal Lipson
  • Publication number: 20120312969
    Abstract: The resolution of conventional imaging devices is restricted by the diffraction limit. ‘Perfect’ imaging devices which can achieve a resolution beyond the diffraction limit have been considered impossible to implement. However, the present disclosure provides an imaging device which can achieve improved resolution beyond the diffraction limit and which can be implemented in practice. Said imaging device comprises: a. a lens having a refractive index that varies according to a predetermined refractive index profile; b. a source; c. an outlet for decoupling waves from the device; and d. a reflector provided around the lens, the source and the outlet, wherein the reflector and the refractive index profile of the lens are together arranged to direct waves transmitted in any of a plurality of directions from the source to the outlet.
    Type: Application
    Filed: September 3, 2010
    Publication date: December 13, 2012
    Inventors: Ulf Leonhardt, Tomas Tyc, Lucas Heitzmann Gabrielli, Michal Lipson