Patents by Inventor George C. Curatu

George C. Curatu 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).

  • Publication number: 20220252837
    Abstract: A laser system including a laser source that generates a laser beam and an optical switch that receives the laser beam and selectively sends the laser beam to either a fast path or a slow path, wherein in the fast path the laser beam has a first F/# and in the slow path the laser beam has a second F/# that is higher in value that of the first F/#. The laser system further including an afocal optical system that is in the slow path and receives the laser beam from the optical switch and an x-y scanner that receives either a first laser beam from the slow path or a second laser beam from the fast path. The laser system including a scan lens system that receives a scanning laser beam from the x-y scanner and performs a z-scan for the scanning laser beam only in the case wherein the scanning laser beam is generated from the laser beam in the fast path. The laser system further including an aspheric patient interface device that receives a laser beam from the scan lens system.
    Type: Application
    Filed: April 25, 2022
    Publication date: August 11, 2022
    Applicant: Lensar, Inc.
    Inventors: John McWhirter, Rudolph W. Frey, George C. Curatu, Steven E. Bott
  • Patent number: 11314051
    Abstract: A laser system including a laser source that generates a laser beam and an optical switch that receives the laser beam and selectively sends the laser beam to either a fast path or a slow path, wherein in the fast path the laser beam has a first F/# and in the slow path the laser beam has a second F/# that is higher in value that of the first F/#. The laser system further including an afocal optical system that is in the slow path and receives the laser beam from the optical switch and an x-y scanner that receives either a first laser beam from the slow path or a second laser beam from the fast path. The laser system including a scan lens system that receives a scanning laser beam from the x-y scanner and performs a z-scan for the scanning laser beam only in the case wherein the scanning laser beam is generated from the laser beam in the fast path. The laser system further including an aspheric patient interface device that receives a laser beam from the scan lens system.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: April 26, 2022
    Assignee: Lensar, Inc.
    Inventors: George C. Curatu, Rudolph W. Frey, John McWhirter, Steven E. Bott
  • Publication number: 20200379216
    Abstract: A laser system including a laser source that generates a laser beam and an optical switch that receives the laser beam and selectively sends the laser beam to either a fast path or a slow path, wherein in the fast path the laser beam has a first F/# and in the slow path the laser beam has a second F/# that is higher in value that of the first F/#. The laser system further including an afocal optical system that is in the slow path and receives the laser beam from the optical switch and an x-y scanner that receives either a first laser beam from the slow path or a second laser beam from the fast path. The laser system including a scan lens system that receives a scanning laser beam from the x-y scanner and performs a z-scan for the scanning laser beam only in the case wherein the scanning laser beam is generated from the laser beam in the fast path. The laser system further including an aspheric patient interface device that receives a laser beam from the scan lens system.
    Type: Application
    Filed: June 15, 2020
    Publication date: December 3, 2020
    Applicant: Lensar, Inc.
    Inventors: George C. Curatu, Rudolph W. Frey, John McWhirter, Steven E. Bott
  • Patent number: 10684449
    Abstract: A laser system including a laser source that generates a laser beam and an optical switch that receives the laser beam and sends the laser beam to either a fast path or a slow path, wherein the F/# of the fast path is lower than the F/# of the slow path. The laser system includes an afocal optical system in the slow path and receives the laser beam from the optical switch and an x-y scanner that receives either a laser beam from the slow path or a laser beam from the fast path. The laser system including a scan lens system that performs a z-scan for the scanning laser beam only in the case wherein the scanning laser beam is generated from the laser beam in the fast path. The laser system including an aspheric patient interface device that receives a laser beam from the scan lens system.
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: June 16, 2020
    Assignee: Lensar, Inc.
    Inventors: George C. Curatu, Rudolph W. Frey, John McWhirter, Steven E. Bott
  • Patent number: 10663595
    Abstract: To generate an image that captures a 360-degree horizontal view around a vehicle in a lidar system, four or more lidar sensors may be placed at the four corners of the vehicle. Each lidar sensor is phased 90 degrees apart and synchronously scans a respective 90-degree field of regard. The 90 degree fields of regard from each of the four or more lidar sensors may combine to scan a complete 360-degree field of regard around the vehicle.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: May 26, 2020
    Assignee: Luminar Technologies, Inc.
    Inventor: George C. Curatu
  • Patent number: 10191155
    Abstract: To solve depth of field issues when scanning, transmitting, and receiving light pulses in a lidar system, a receiver in the lidar system may include a lens having a lens plane in front of one or several photodetectors arranged on a detector plane. The lens plane and the detector plane may be nonparallel with respect to each other creating a wedge shaped depth of field. In this manner, return light pulses from far away and nearby targets may stay in focus.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: January 29, 2019
    Assignee: LUMINAR TECHNOLOGIES, INC.
    Inventor: George C. Curatu
  • Publication number: 20180284234
    Abstract: To identify the most important areas in front of a vehicle for avoiding collisions, a lidar system obtains a foveated imaging model. The foveated imaging model is generated by detecting the direction at which drivers' are facing at various points in time for several scenarios based on road conditions or upcoming maneuvers. The lidar system identifies an upcoming maneuver for the vehicle or a road condition and applies the identified maneuver or road condition to the foveated imaging model to identify a region of a field of regard at which to increase the resolution. The lidar system then increases the resolution at the identified region by increasing the pulse rate for transmitting light pulses within the identified region, filtering pixels outside of the identified region, or in any other suitable manner.
    Type: Application
    Filed: September 25, 2017
    Publication date: October 4, 2018
    Inventor: George C. Curatu
  • Publication number: 20180284284
    Abstract: To solve depth of field issues when scanning, transmitting, and receiving light pulses in a lidar system, a receiver in the lidar system may include a lens having a lens plane in front of one or several photodetectors arranged on a detector plane. The lens plane and the detector plane may be nonparallel with respect to each other creating a wedge shaped depth of field. In this manner, return light pulses from far away and nearby targets may stay in focus.
    Type: Application
    Filed: November 27, 2017
    Publication date: October 4, 2018
    Inventor: George C. Curatu
  • Publication number: 20180284285
    Abstract: To generate an image that captures a 360-degree horizontal view around a vehicle in a lidar system, four or more lidar sensors may be placed at the four corners of the vehicle. Each lidar sensor is phased 90 degrees apart and synchronously scans a respective 90-degree field of regard. The 90 degree fields of regard from each of the four or more lidar sensors may combine to scan a complete 360-degree field of regard around the vehicle.
    Type: Application
    Filed: November 27, 2017
    Publication date: October 4, 2018
    Inventor: George C. Curatu
  • Publication number: 20120271286
    Abstract: A laser system including a laser source that generates a laser beam and an optical switch that receives the laser beam and sends the laser beam to either a fast path or a slow path, wherein the F/# of the fast path is lower than the F/# of the slow path. The laser system includes an afocal optical system in the slow path and receives the laser beam from the optical switch and an x-y scanner that receives either a laser beam from the slow path or a laser beam from the fast path. The laser system including a scan lens system that performs a z-scan for the scanning laser beam only in the case wherein the scanning laser beam is generated from the laser beam in the fast path. The laser system including an aspheric patient interface device that receives a laser beam from the scan lens system.
    Type: Application
    Filed: March 30, 2012
    Publication date: October 25, 2012
    Inventors: George C. Curatu, Rudolph W. Frey, John McWhirter, Steven E. Bott