Patents Assigned to LADAR LIMITED
  • Patent number: 11467269
    Abstract: A laser detection and ranging device for detecting an object under a water surface, the laser detection and ranging device having a laser transmitter being configured to modulate a laser beam by a binary pseudo-random coding sequence to obtain a modulated laser beam, and to transmit the modulated laser beam towards the water surface, a laser detector for detecting a reflected laser beam, the reflected laser beam forming a reflected version of the transmitted laser beam, and a processor for detecting the object under the water surface upon the basis of the reflected laser beam.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: October 11, 2022
    Assignees: LADAR LIMITED, HIELMSTAD AS
    Inventor: Jens Hjelmstad
  • Publication number: 20190146074
    Abstract: A laser detection and ranging device for detecting an object under a water surface, the laser detection and ranging device having a laser transmitter being configured to modulate a laser beam by a binary pseudo-random coding sequence to obtain a modulated laser beam, and to transmit the modulated laser beam towards the water surface, a laser detector for detecting a reflected laser beam, the reflected laser beam forming a reflected version of the transmitted laser beam, and a processor for detecting the object under the water surface upon the basis of the reflected laser beam.
    Type: Application
    Filed: December 18, 2018
    Publication date: May 16, 2019
    Applicants: LADAR LIMITED, HJELMSTAD AS
    Inventor: Jens HJELMSTAD
  • Patent number: 10247818
    Abstract: A detection system for detecting an object on a water surface, the detection system having a radio detection and ranging device for coarsely detecting a target water surface area with the object, and a laser detection and ranging device for detecting the object within the target water surface area, wherein the laser detection and ranging device includes a laser transmitter for transmitting a laser beam towards the target water surface area, a laser detector for detecting a reflected laser beam, the reflected laser beam forming a reflected version of the transmitted laser beam, and a processor for detecting the object within the target water surface area upon the basis of the reflected laser beam.
    Type: Grant
    Filed: October 23, 2014
    Date of Patent: April 2, 2019
    Assignees: LADAR LIMITED, HJELMSTAD AS
    Inventor: Jens Hjelmstad
  • Patent number: 10175356
    Abstract: A laser detection and ranging device for detecting an object under a water surface, the laser detection and ranging device having a laser transmitter being configured to modulate a laser beam by a binary pseudo-random coding sequence to obtain a modulated laser beam, and to transmit the modulated laser beam towards the water surface, a laser detector for detecting a reflected laser beam, the reflected laser beam forming a reflected version of the transmitted laser beam, and a processor for detecting the object under the water surface upon the basis of the reflected laser beam.
    Type: Grant
    Filed: October 23, 2014
    Date of Patent: January 8, 2019
    Assignees: LADAR LIMITED, HJELMSTAD AS
    Inventor: Jens Hjelmstad
  • Publication number: 20160266246
    Abstract: A system for monitoring a maritime environment, the system including a plurality of detection devices for detecting objects in the maritime environment, the detection devices being configured for object detection according to different object detection schemes, and a data processing device having a communication interface and a processor, wherein the communication interface is configured to receive detection signals from the detection devices, and wherein the processor is configured to determine locations of the objects in the maritime environment upon the basis of the received detection signals within a common coordinate system.
    Type: Application
    Filed: October 23, 2014
    Publication date: September 15, 2016
    Applicant: LADAR LIMITED
    Inventor: Jens HJELMSTAD