Patents by Inventor HakGu HAN
HakGu HAN 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).
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Patent number: 11953595Abstract: A lidar apparatus is disclosed. The lidar apparatus according to an exemplary embodiment of the present disclose includes a laser generating source for generating a laser; a fixture fixedly disposed on an installation object; a rotating body disposed to rotate about a rotation axis with respect to the fixture, and provided with a laser transmitting module for transmitting a laser generated by the laser generating source to the outside and a laser receiving module for receiving a laser reflected from an external object; and a light guide unit disposed on the rotation axis to transmit a laser generated by the laser generating source from the fixture to the rotating body.Type: GrantFiled: May 7, 2021Date of Patent: April 9, 2024Assignee: HL KLEMOVE CORP.Inventors: HakGu Han, Hoseok Shin, ChulSeung Lee, SeongHee Jeong, YunKi Han
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Publication number: 20230176202Abstract: Provided are an apparatus for manufacturing a light detection and ranging (LiDAR) receiver and a method of manufacturing a LiDAR receiver. In the apparatus for manufacturing a LiDAR receiver according to one embodiment of the present disclosure, a receiver board is coupled integrally to a barrel having one side provided with a lens after the receiver board having one side on which a light detection element is mounted is aligned with the other side of the barrel, and the apparatus includes a base plate having a plate shape, a light source unit, and a receiver alignment unit, wherein the light source unit may include a light-emitting module and a light-emitting module fixing member, and the receiver alignment unit may include an alignment plate having a plate shape, a barrel fixing member, a receiver board fixing member, and a receiver board alignment member.Type: ApplicationFiled: December 2, 2022Publication date: June 8, 2023Inventors: Yun Ki HAN, HoSeok SHIN, HakGu HAN, Yong Min PARK, Hyuk RYU
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Publication number: 20230176195Abstract: Disclosed is a light detection and ranging (LiDAR) apparatus capable of further reducing scattered light generated in a process of transmitting or receiving light waves. The LiDAR apparatus includes a transmitter and a receiver, wherein at least one of the transmitter and the receiver includes an absorbing coating layer that is formed of an absorbent material, which absorbs energy of laser light, and with which an interface of a lens, on which the laser light is incident, is coated.Type: ApplicationFiled: December 8, 2022Publication date: June 8, 2023Inventor: HakGu HAN
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Publication number: 20230161004Abstract: A LIDAR device is disclosed. A LIDAR device according to one embodiment of the present invention comprises: a light transmitting unit for transmitting laser light; a light receiving unit for receiving the laser light received by being reflected from the outside; a scanner including a transmitting mirror unit that has a reflective surface for reflecting the laser light transmitted from the light transmitting unit and transmitting the same to the outside, and a receiving mirror unit that has a reflective surface for reflecting the laser light reflected from the outside and transmitting the same to the light receiving unit; and an optical path dividing unit disposed in the vicinity of the scanner so as to block, from flowing into the light receiving unit, scattered light of a propagating laser light reflected from the transmitting mirror unit.Type: ApplicationFiled: April 16, 2021Publication date: May 25, 2023Inventors: HakGu HAN, Ho Seok SHIN, Chul Seung LEE, Seong Hee JEONG, Yun Ki HAN
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Publication number: 20230042957Abstract: A light detection and ranging (LIDAR) device according to one embodiment of the present disclosure includes: a light transmitting unit including a plurality of laser transmission channels for transmitting laser light for detecting an external object in an allocated transmission time slot; a light receiving unit including a plurality of laser reception channels for receiving the laser light reflected by the external object in a reception time slot allocated to correspond to the transmission time slot, N laser reception channels (N is a natural number greater than or equal to 2) being allocated to each of the reception time slots; and a signal amplification unit configured to sequentially amplify the laser light received by the light receiving unit according to the order of the reception time slots, and having N channels allocated in one-to-one correspondence with the N laser reception channels for each of the reception time slots.Type: ApplicationFiled: August 5, 2022Publication date: February 9, 2023Inventors: Yun Ki Han, HoSeok Shin, HakGu Han, Chuiseung Lee, Yong Min Park, Hyuk Ryu
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Publication number: 20230038743Abstract: The present invention relates to a light detection and ranging (LiDAR) system. The LiDAR system may include a transceiver configured to generate pieces of light having different wavelengths and receive pieces of reflected light having different wavelengths reflected from a target, a beam splitter configured to divide the pieces of light having the different wavelengths into long-wavelength light having a relatively long wavelength and short-wavelength light having a relatively short wavelength, and a scan mirror configured to transmit the long-wavelength light and the short-wavelength light, which are divided by the beam splitter, to an outside and allow reflected light of the long-wavelength light and reflected light of the short-wavelength light to be incident on the transceiver through the beam splitter.Type: ApplicationFiled: August 5, 2022Publication date: February 9, 2023Applicant: HL Klemove Corp.Inventors: YUN KI HAN, HoSeok SHIN, HakGu HAN, Yong Min PARK, Hyuk RYU
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Publication number: 20230043021Abstract: The present invention relates to a timing compensation device for an optical output signal of a Lidar and a method thereof, including an encoder for detecting a rotation period of a motor provided in a scanner, a Lidar controller for detecting a jitter time from the rotation period of the motor detected by the encoder, creating a histogram including a mode of a jitter time, and performing optical output control at a time point of the rotation period of the motor or when the mode of the jitter time is compensated for the rotation period of the motor; and a light transmitter for outputting laser light to the scanner according to the optical output control of the Lidar controller.Type: ApplicationFiled: August 5, 2022Publication date: February 9, 2023Inventors: Yun Ki HAN, HoSeok Shin, HakGu Han, Chulseung Lee, Yong Min Park, Hyuk Ryu
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Publication number: 20230035782Abstract: Disclosed is a spatial division structure.Type: ApplicationFiled: August 2, 2022Publication date: February 2, 2023Inventors: Yun Ki HAN, HoSeok SHIN, HakGu HAN, Chulseung LEE, Yong Min PARK, Hyuk RYU
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Publication number: 20230034553Abstract: Disclosed are a light receiving module and a light detection and ranging (LIDAR) including the same.Type: ApplicationFiled: August 2, 2022Publication date: February 2, 2023Inventors: Yun Ki HAN, HakGu HAN, Chulseung LEE, Yong Min PARK, Hyuk RYU
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Patent number: 11524661Abstract: The disclosure relates to a cleaning control device and cleaning control method. Specifically, according to the disclosure, a cleaning control device may comprise a shield divided into a plurality of regions, a moving actuator moving the shield, a sensor detecting an object by transmitting and receiving a detection signal through some regions of the plurality of regions of the shield, and a controller generating and outputting a cleaning control signal to spray a cleaning liquid to a signal transmission region placed side-by-side with the sensor among the plurality of regions if a foreign body is present in the signal transmission region and generating and outputting a moving control signal to move a signal non-transmission region placed non-side-by-side with the sensor among the plurality of regions to a position of the signal transmission region.Type: GrantFiled: June 12, 2020Date of Patent: December 13, 2022Assignee: HL KLEMOVE CORP.Inventor: Hakgu Han
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Publication number: 20210389425Abstract: The board structure for transmitting and receiving in a lidar device according to the present disclosure is installed in the lidar device, and includes a lens barrel having a lens mounted on a first inner circumferential surface so as to be movable, and having at least one first connection part provided on a first outer circumferential surface; a guide barrel having at least one second connection part connected to the first connection part on a second outer circumferential surface, and having a first fixing hole formed to penetrate from the second outer circumferential surface to a second inner circumferential surface; a transmission/reception board having a diode mounted on a part of an upper surface and at least partially inserted into an inner space of the guide barrel; and a first support member that penetrates through the first fixing hole and supports an upper surface or lower surface of the transmission/reception board.Type: ApplicationFiled: June 11, 2021Publication date: December 16, 2021Inventors: SeongHee JEONG, YunKi HAN, HoSeok SHIN, HakGu HAN, Chulseung LEE, YongMin PARK
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Publication number: 20210382150Abstract: The present disclosure relates to a wide field-of-view (FOV) lidar and a vehicle with multiple galvanometer scanners. The lidar according to an exemplary embodiment of the present disclosure includes a transmitter for generating light to output to an object, a receiver for receiving the light reflected from the object, and a signal processor for processing signals for the light of the transmitter and the receiver, wherein the transmitter includes first and second galvanometer scanners in which the direction of a rotation axis thereof is located on a line of the same axis.Type: ApplicationFiled: June 7, 2021Publication date: December 9, 2021Inventors: HakGu Han, HoSeok Shin, ChulSeung Lee, SeongHee Jeong, YunKi Han
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Publication number: 20210349212Abstract: A lidar apparatus is disclosed. The lidar apparatus according to an exemplary embodiment of the present disclose includes a laser generating source for generating a laser; a fixture fixedly disposed on an installation object; a rotating body disposed to rotate about a rotation axis with respect to the fixture, and provided with a laser transmitting module for transmitting a laser generated by the laser generating source to the outside and a laser receiving module for receiving a laser reflected from an external object; and a light guide unit disposed on the rotation axis to transmit a laser generated by the laser generating source from the fixture to the rotating body.Type: ApplicationFiled: May 7, 2021Publication date: November 11, 2021Inventors: HakGu HAN, HoSeok SHIN, ChulSeung LEE, SeongHee JEONG, YunKi HAN
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Publication number: 20210247492Abstract: A light reflection device is disclosed. The light reflection device according to an exemplary embodiment of the present disclosure includes a first reflector configured to reflect an optical signal emitted from a light output unit to an object, a second reflector configured to reflect the optical signal reflected from the object to a light receiving unit, a blocking plate interposed between the first reflector and the second reflector, a motor configured to rotate at least one of the first reflector, the second reflector, and the blocking plate, and a coupling part configured to couple the first reflector, the second reflector, and the blocking plate so that the first reflector, the second reflector, and the blocking plate rotate at the same angle on the basis of a rotation axis.Type: ApplicationFiled: February 10, 2021Publication date: August 12, 2021Inventors: HakGu HAN, SEONG HEE JEONG, YUN KI HAN, HoSeok SHIN, Chulseung LEE
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Publication number: 20200391703Abstract: The disclosure relates to a cleaning control device and cleaning control method. Specifically, according to the disclosure, a cleaning control device may comprise a shield divided into a plurality of regions, a moving actuator moving the shield, a sensor detecting an object by transmitting and receiving a detection signal through some regions of the plurality of regions of the shield, and a controller generating and outputting a cleaning control signal to spray a cleaning liquid to a signal transmission region placed side-by-side with the sensor among the plurality of regions if a foreign body is present in the signal transmission region and generating and outputting a moving control signal to move a signal non-transmission region placed non-side-by-side with the sensor among the plurality of regions to a position of the signal transmission region.Type: ApplicationFiled: June 12, 2020Publication date: December 17, 2020Inventor: HakGu HAN