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No. Publication Number Title Publication/Patent Number Publication/Patent Number Publication Date Publication Date
Application Number Application Number Filing Date Filing Date
Inventor Inventor Assignee Assignee IPC IPC
1 US2020256675A1
DISTANCE MEASURING DEVICE AND METHOD OF MEASURING DISTANCE BY USING THE SAME
Publication/Patent Number: US2020256675A1 Publication Date: 2020-08-13 Application Number: 16/860,811 Filing Date: 2020-04-28 Inventor: Otsuka tatsuhiro   Kim, Jungwoo   Yoon, Heesun   Hwang, Inoh   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: G01C15/00 Abstract: Provided is a distance measuring device and a method of measuring a distance. The distance measuring device detects light reflected by an object, generates an electrical signal based on the detected light, detects whether the electrical signal is saturated or not by comparing the electrical signal with a reference value, controls a magnitude of the electrical signal based on whether the signal is saturated, and calculates a distance to the object using the electrical signal.
2 US10802119B2
Lidar device and method of measuring distance using the same
Publication/Patent Number: US10802119B2 Publication Date: 2020-10-13 Application Number: 15/386,565 Filing Date: 2016-12-21 Inventor: Yoon, Heesun   Kim, Jungwoo   Otsuka tatsuhiro   Hwang, Inoh   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: G01S7/48 Abstract: A lidar device includes a light source configured to emit a laser pulse to an object, a light receiver configured to receive the laser pulse reflected by the object, a first periodic wave generator configured to generate a first periodic wave when the light source emits the laser pulse and generate a second periodic wave when the light source receives the laser pulse, and a first comparator configured to compare a phase of the first periodic wave and a phase of the second periodic wave to each other. The lidar device calculates a distance between the lidar device and the object based on a phase difference determined by the first comparator.
3 US10670397B2
Distance measuring device and method of measuring distance by using the same
Publication/Patent Number: US10670397B2 Publication Date: 2020-06-02 Application Number: 15/821,071 Filing Date: 2017-11-22 Inventor: Otsuka tatsuhiro   Kim, Jungwoo   Yoon, Heesun   Hwang, Inoh   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: G01V8/00 Abstract: Provided is a distance measuring device and a method of measuring a distance. The distance measuring device detects light reflected by an object, generates an electrical signal based on the detected light, detects whether the electrical signal is saturated or not by comparing the electrical signal with a reference value, controls a magnitude of the electrical signal based on whether the signal is saturated, and calculates a distance to the object using the electrical signal.
4 US2020049819A1
OPTICAL SCANNER AND LIDAR SYSTEM INCLUDING THE SAME
Publication/Patent Number: US2020049819A1 Publication Date: 2020-02-13 Application Number: 16/237,359 Filing Date: 2018-12-31 Inventor: Cho, Yongchul   Kim, Jungwoo   Otsuka tatsuhiro   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: G01S17/02 Abstract: An optical scanner includes at least one light source configured to emit light, a steering unit configured to perform scanning in a first direction based on the light emitted from the at least one light source, and a polygon mirror configured to perform, by using the light output from the steering unit, scanning in a second direction different than the first direction based on a rotation of the polygon mirror. The steering unit includes a plurality of first prisms, and each of the plurality of first prisms includes an incident facet configured to pass the light emitted from the at least one light source, and an output facet configured to refract and output the light. The polygon mirror includes a plurality of reflective facets, and each of the plurality of reflective facets is configured to that reflect the light output from the steering unit.
5 US2020174104A1
LIGHT DETECTION AND RANGING DEVICE AND METHOD OF DRIVING THE SAME
Publication/Patent Number: US2020174104A1 Publication Date: 2020-06-04 Application Number: 16/535,902 Filing Date: 2019-08-08 Inventor: Kim, Jungwoo   Otsuka tatsuhiro   Cho, Yongchul   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: G01S7/481 Abstract: Provided in a light detection and ranging (LiDAR) device including a scanning optical system including a plurality of light sources and a beam steering device, the scanning optical system being configured to scan an object with a plurality of irradiation beams projected from the plurality of light sources toward the object at a plurality of irradiation angles, respectively, a light detector including a plurality of pixel regions that are configured to separately detect the plurality of irradiation beams projected toward the object at the plurality of irradiation angles and reflected from the object, and a processor configured to control the scanning optical system and the light detector, and obtain information about the object based on the plurality of irradiation beams detected by the light detector.
6 EP3663792A1
LIGHT DETECTION AND RANGING DEVICE AND METHOD OF DRIVING THE SAME
Publication/Patent Number: EP3663792A1 Publication Date: 2020-06-10 Application Number: 19192889.4 Filing Date: 2019-08-21 Inventor: Kim, Jungwoo   Otsuka tatsuhiro   Cho, Yongchul   Assignee: Samsung Electronics Co., Ltd.   IPC: G01S7/481 Abstract: Provided in a light detection and ranging (LiDAR) device including a scanning optical system including a plurality of light sources and a beam steering device, the scanning optical system being configured to scan an object with a plurality of irradiation beams projected from the plurality of light sources toward the object at a plurality of irradiation angles, respectively, a light detector including a plurality of pixel regions that are configured to separately detect the plurality of irradiation beams projected toward the object at the plurality of irradiation angles and reflected from the object, and a processor configured to control the scanning optical system and the light detector, and obtain information about the object based on the plurality of irradiation beams detected by the light detector.
7 US202049819A1
OPTICAL SCANNER AND LIDAR SYSTEM INCLUDING THE SAME
Publication/Patent Number: US202049819A1 Publication Date: 2020-02-13 Application Number: 20/181,623 Filing Date: 2018-12-31 Inventor: Otsuka tatsuhiro   Kim, Jungwoo   Cho, Yongchul   Assignee: Samsung Electronics Co., Ltd.   IPC: G02B27/09 Abstract: An optical scanner includes at least one light source configured to emit light, a steering unit configured to perform scanning in a first direction based on the light emitted from the at least one light source, and a polygon mirror configured to perform, by using the light output from the steering unit, scanning in a second direction different than the first direction based on a rotation of the polygon mirror. The steering unit includes a plurality of first prisms, and each of the plurality of first prisms includes an incident facet configured to pass the light emitted from the at least one light source, and an output facet configured to refract and output the light. The polygon mirror includes a plurality of reflective facets, and each of the plurality of reflective facets is configured to that reflect the light output from the steering unit.
8 EP3650886A1
BEAM SCANNING APPARATUS AND OPTICAL APPARATUS INCLUDING THE SAME
Publication/Patent Number: EP3650886A1 Publication Date: 2020-05-13 Application Number: 19183920.8 Filing Date: 2019-07-02 Inventor: Park, Junghyun   Otsuka tatsuhiro   Lee, Duhyun   Assignee: Samsung Electronics Co., Ltd.   IPC: G01S7/481 Abstract: Provided is a beam scanning apparatus (100) including a plurality of antenna resonators (10) disposed two-dimensionally in a row direction and a column direction, a plurality of row voltage lines that are configured to provide a plurality of driving voltages in a row direction, respectively, a plurality of column voltage lines that are configured to provide a plurality of driving voltages in a column direction, respectively, and a driving voltage conversion circuit configured to control a driving voltage applied to each of the plurality of antenna resonators based on a driving voltage in the row direction that is provided from each of the plurality of row voltage lines and a driving voltage in the column direction that is provided from each of the plurality of column voltage lines.
9 US2020150277A1
BEAM SCANNING APPARATUS AND OPTICAL APPARATUS INCLUDING THE SAME
Publication/Patent Number: US2020150277A1 Publication Date: 2020-05-14 Application Number: 16/441,544 Filing Date: 2019-06-14 Inventor: Park, Junghyun   Otsuka tatsuhiro   Lee, Duhyun   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: G01S17/93 Abstract: Provided is a beam scanning apparatus including a plurality of antenna resonators disposed two-dimensionally in a row direction and a column direction, a plurality of row voltage lines that are configured to provide a plurality of driving voltages in a row direction, respectively, a plurality of column voltage lines that are configured to provide a plurality of driving voltages in a column direction, respectively, and a driving voltage conversion circuit configured to control a driving voltage applied to each of the plurality of antenna resonators based on a driving voltage in the row direction that is provided from each of the plurality of row voltage lines and a driving voltage in the column direction that is provided from each of the plurality of column voltage lines.
10 US10558079B2
Display apparatus
Publication/Patent Number: US10558079B2 Publication Date: 2020-02-11 Application Number: 15/580,769 Filing Date: 2016-03-16 Inventor: Jung, Moon Il   Kim, Joo Ho   Seo, Byung Hwa   Sohn, Dong Hyun   Otsuka tatsuhiro   Assignee: Samsung Electronics Co., Ltd.   IPC: G02F1/1335 Abstract: An aspect of the present disclosure is to provide a display apparatus capable of performing an information display function and a mirror function. Another aspect of the present disclosure is to provide a display apparatus of displaying a predetermined object in a turned-off state. Another aspect of the present disclosure is to provide a display apparatus including partition walls disposed in space between electrodes of a cholesteric Liquid Crystal Display (LCD) device. Another aspect of the present disclosure is to provide a transparent display apparatus with improved visibility using cholesteric liquid crystals. Disclosed is a display apparatus includes a reflective layer; and a liquid crystal layer disposed in front of the reflective layer, and configured to be converted between a transmissive mode for transmitting outside light, a display mode for reflecting outside light to display an object, and a transflective mode for transmitting outside light and reflecting outside light at a predetermined area.
11 EP2388657B1
Apparatus and method to control temperature of heating roller used in fusing device of image forming apparatus
Publication/Patent Number: EP2388657B1 Publication Date: 2020-01-22 Application Number: 11165569.2 Filing Date: 2011-05-10 Inventor: Kim, Dae-hwan   Kuk, Keon   Kim, Jin-han   Kim, Jun-o   Otsuka tatsuhiro   Ko, Young-dae   Assignee: Hewlett-Packard Development Company, L.P.   IPC: G03G15/20
12 US10690984B2
Electronic apparatus and control method thereof
Publication/Patent Number: US10690984B2 Publication Date: 2020-06-23 Application Number: 15/780,025 Filing Date: 2016-11-08 Inventor: Bae, Jun Cheol   Baik, Chul   Kim, Hong Suk   Seo, Byung Hwa   Song, Hyun Min   Otsuka tatsuhiro   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: G02F1/163 Abstract: One aspect of the present invention is to provide an electronic apparatus which is configured to provide a color writing function by means of the physical force of an external input means, and a control method thereof. More particularly, the present invention is to provide an electronic apparatus equipped with a plurality of liquid crystal panels in an electronic apparatus so that a plurality of colors can be written by the physical force of an external input means, and a control method thereof.
13 EP3364243B1
ELECTRONIC DISPLAY APPARATUS AND CONTROL METHOD THEREOF
Publication/Patent Number: EP3364243B1 Publication Date: 2020-06-24 Application Number: 16870933.5 Filing Date: 2016-11-08 Inventor: Bae, Jun Cheol   Baik, Chul   Kim, Hong Suk   Seo, Byung Hwa   Song, Hyun Min   Otsuka tatsuhiro   Assignee: Samsung Electronics Co., Ltd.   IPC: G02F1/163
14 US2019064356A1
LiDAR DEVICE AND METHOD OF OPERATING THE SAME
Publication/Patent Number: US2019064356A1 Publication Date: 2019-02-28 Application Number: 15/870,005 Filing Date: 2018-01-12 Inventor: Yoon, Heesun   Kim, Jungwoo   Otsuka tatsuhiro   Hwang, Inoh   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: G01S17/10 Abstract: Provided are a LiDAR device and a method of operating the LiDAR device. The LiDAR device includes a light-emitting unit configured to emit modulated light onto an object, a light-receiving unit configured to receive the modulated light reflected by the object, a computation unit configured to calculate a distance to the object based on a reception signal of the modulated light provided by the light-receiving unit, a modulation unit configured to provide a modulation signal to the light-emitting unit to generate the modulated light, and a controller configured to control operations of at least one of the light-emitting unit, the light-receiving unit, the computation unit, and the modulation unit.
15 KR20190132186A
Distance measuring device and method
Publication/Patent Number: KR20190132186A Publication Date: 2019-11-27 Application Number: 20180166407 Filing Date: 2018-12-20 Inventor: Kim, Jung Woo   Otsuka tatsuhiro   Yoon, Hee Sun   Assignee: Samsung Electronics Co., Ltd.   IPC: G01S17/10 Abstract: 복수의 증폭된 전기 신호들 중 적어도 하나의 증폭된 전기 신호의 레벨에 기초하여, 복수의 피크 검출 신호들 중에서 최적의 피크 검출 신호를 선택하고, 선택된 최적의 피크 검출 신호를 이용하여 대상체까지의 거리를 측정하는 거리 측정 장치 및 거리 측정 방법을 제공한다.
16 US2019011256A1
DISTANCE MEASURING DEVICE AND METHOD OF MEASURING DISTANCE BY USING THE SAME
Publication/Patent Number: US2019011256A1 Publication Date: 2019-01-10 Application Number: 15/821,071 Filing Date: 2017-11-22 Inventor: Otsuka tatsuhiro   Kim, Jungwoo   Yoon, Heesun   Hwang, Inoh   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: G01C15/00 Abstract: Provided is a distance measuring device and a method of measuring a distance. The distance measuring device detects light reflected by an object, generates an electrical signal based on the detected light, detects whether the electrical signal is saturated or not by comparing the electrical signal with a reference value, controls a magnitude of the electrical signal based on whether the signal is saturated, and calculates a distance to the object using the electrical signal.
17 EP3457179A1
LIDAR APPARATUS AND OPERATING METHOD THEREOF
Publication/Patent Number: EP3457179A1 Publication Date: 2019-03-20 Application Number: 18186125.3 Filing Date: 2018-07-27 Inventor: Kim, Jungwoo   Otsuka tatsuhiro   Yoon, Heesun   Hwang, Inoh   Assignee: Samsung Electronics Co., Ltd.   IPC: G01S17/93 Abstract: Provided are a method of identifying light reflected from an object, from among light incident from a plurality of different directions, based on information about an irradiation angle of light irradiated by a light source, and a light detection and ranging (LiDAR) apparatus therefor.
18 US2019079166A1
LIDAR APPARATUS AND OPERATING METHOD THEREOF
Publication/Patent Number: US2019079166A1 Publication Date: 2019-03-14 Application Number: 16/023,681 Filing Date: 2018-06-29 Inventor: Kim, Jungwoo   Otsuka tatsuhiro   Yoon, Heesun   Hwang, Inoh   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: G01S7/487 Abstract: Provided are a method of identifying light reflected from an object, from among light incident from a plurality of different directions, based on information about an irradiation angle of light irradiated by a light source, and a light detection and ranging (LiDAR) apparatus therefor.
19 US2019353788A1
DISTANCE MEASURING DEVICE AND METHOD
Publication/Patent Number: US2019353788A1 Publication Date: 2019-11-21 Application Number: 16/385,243 Filing Date: 2019-04-16 Inventor: Otsuka tatsuhiro   Kim, Jungwoo   Yoon, Heesun   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: G01S17/10 Abstract: Provided is a distance measuring method and device for selecting an optimum peak detection signal from among a plurality of peak detection signals, based on a level of at least one of a plurality of amplified electrical signals, and measuring a distance to an object by using the selected optimum peak detection signal.
20 KR20190086279A
LiDAR system and method of driving the same
Publication/Patent Number: KR20190086279A Publication Date: 2019-07-22 Application Number: 20180004612 Filing Date: 2018-01-12 Inventor: Hwang, In Oh   Otsuka tatsuhiro   Yoon, Hee Sun   Assignee: SAMSUNG ELECTRONICS CO., LTD.   IPC: G01S7/497 Abstract: Provided is a light detection and ranging (LiDAR) system which comprises: a beam steering device configured to steer light emitted from a light source toward an object; a light detector configured to receive the light coming from the beam steering device and reflected from the object; and a processor configured to perform an optimization operation of analyzing the light detected by the light detector and calculating a correction value for a driving signal of the beam steering device in order to correct an error of the beam steering device. According to the present invention, feedback on execution results can be given in real time such that accuracy of object analysis can be improved.