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公开(公告)号：US11869532B2
公开(公告)日：2024-01-09
申请号：US17514460
申请日：2021-10-29
Applicant: KOREA PHOTONICS TECHNOLOGY INSTITUTE
Inventor： Seon Man Kim , Kwang Hoon Lee , Hoe Min Kim , Sung Kuk Chun , Seon Kyu Yoon , Jin Su Lee
Abstract: According to an embodiment of the disclosure, a system for controlling an emergency bell based on sound comprises an emergency bell device installed in a crime area, gathering sound information generated in the crime area, detecting an emergency event from the gathered sound information, and generating an emergency bell operation signal, an analysis server receiving, in real-time, the sound information from the emergency bell device if the emergency bell operation signal is received, classifying per-time key sound sources in the sound information, and providing a situation analysis result on whether a crime occurs using the classified per-time key sound sources, and a control server receiving the situation analysis result and providing on-site dispatch information or situation response information to a security terminal in charge of the crime area based on the received situation analysis result.
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公开(公告)号：US12045008B2
公开(公告)日：2024-07-23
申请号：US17403960
申请日：2021-08-17
Applicant: Korea Photonics Technology Institute
Inventor： Seon Kyu Yoon , Ha Mong Shim , Jin Su Lee , Kwang Hoon Lee
CPC classification number: G03H1/0005 , G01B9/021 , G01B11/164 , G03H1/0402 , G03H1/0443 , G03H1/0866 , G03H2001/005 , G03H2001/0415
Abstract: According to an embodiment, a holographic microscope comprises a light source, an optical system splitting light emitted from the light source into an object and a reflective mirror and inducing interference between light reflected by the object or transmitted through the object and light reflected by the reflective mirror, a first image sensor receiving the interference light and sensing interference information for the interference light, a second image sensor receiving the light reflected by the object or transmitted through the object and sensing information for the received light, and an image processor deriving a shape of the object based on the interference information sensed by the first image sensor and the information sensed by the second image sensor.
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Patent Agency Ranking
公开(公告)号：US11446755B2
公开(公告)日：2022-09-20
申请号：US16950920
申请日：2020-11-18
Applicant: KOREA PHOTONICS TECHNOLOGY INSTITUTE
Inventor： Hoe Min Kim , Sung Kuk Chun , Dong Kil Lee , Kwang Hoon Lee , Seon Man Kim
Abstract: According to an embodiment, an object tracking device in a welding process tracks and outputs a predetermined object in a welding image. The object tracking device comprises a camera device capturing the welding image including a base material and a welding torch for welding the base material, a controller receiving a plurality of camera control parameter-varied images from the camera device, identifying the predetermined object in the received images, and generating an object tracking image, the plurality of camera control parameter-varied images having varied camera control parameters of the camera device, and an output device outputting the welding image captured by the camera device, the plurality of images received by the controller, or the object tracking image generated by the controller.
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公开(公告)号：US11765524B1
公开(公告)日：2023-09-19
申请号：US18196047
申请日：2023-05-11
Applicant: Korea Photonics Technology Institute
Inventor： Seon Man Kim , Kwang Hoon Lee
CPC classification number: H04R25/505 , H04R25/604 , H04R25/609 , H04S3/008 , H04R2225/41 , H04S2400/01
Abstract: A hearing aid with the variable number of channels includes: a microphone that receives a sound signal; an AD converter that converts the sound signal input from the microphone into a digital signal and outputs the converted digital signal; a controller that determines a filter bank channel for processing the digital signal output from the AD converter; a buffer unit that delays the digital signal based on the determined filter bank channel; a signal processor that includes at least one filter bank channel, synthesizes the digital signal using the determined filter bank channel and outputs the synthesized digital signal; a DA converter that converts the digital signal into the sound signal and outputs the converted sound signal; and a speaker that outputs the sound signal output from the DA converter, in which the controller determines the filter bank channel for processing the digital signal based on a preset condition.
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公开(公告)号：US20220148616A1
公开(公告)日：2022-05-12
申请号：US17514460
申请日：2021-10-29
Applicant: Korea Photonics Technology Institute
Inventor： Seon Man Kim , Kwang Hoon Lee , Hoe Min Kim , Sung Kuk Chun , Seon Kyu Yoon , Jin Su Lee
Abstract: According to an embodiment of the disclosure, a system for controlling an emergency bell based on sound comprises an emergency bell device installed in a crime area, gathering sound information generated in the crime area, detecting an emergency event from the gathered sound information, and generating an emergency bell operation signal, an analysis server receiving, in real-time, the sound information from the emergency bell device if the emergency bell operation signal is received, classifying per-time key sound sources in the sound information, and providing a situation analysis result on whether a crime occurs using the classified per-time key sound sources, and a control server receiving the situation analysis result and providing on-site dispatch information or situation response information to a security terminal in charge of the crime area based on the received situation analysis result.
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公开(公告)号：US10432923B2
公开(公告)日：2019-10-01
申请号：US15304110
申请日：2015-04-23
Applicant: Korea Photonics Technology Institute
Inventor： Kwang Hoon Lee , Dong Kil Lee , Yang Gyu Kim
IPC: H04N13/398 , H04N13/302 , G02B27/22 , H04N13/305
Abstract: A unit light source module configured as a 3D display system includes a light emitting unit including a plurality of point light sources corresponding to a number of viewpoints and a light collecting unit disposed a predetermined distance apart from the light emitting unit and collecting and outputting the light source outputted from the plurality of point light sources.
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公开(公告)号：US20170041599A1
公开(公告)日：2017-02-09
申请号：US15304110
申请日：2015-04-23
Applicant: Korea Photonics Technology Institute
Inventor： Kwang Hoon Lee , Dong Kil Lee , Yang Gyu Kim
CPC classification number: H04N13/398 , G02B27/2214 , H04N13/302 , H04N13/305
Abstract: A unit light source module configured as a 3D display system includes a light emitting unit including a plurality of point light sources corresponding to a number of viewpoints and a light collecting unit disposed a predetermined distance apart from the light emitting unit and collecting and outputting the light source outputted from the plurality of point light sources.
Abstract translation: 配置为3D显示系统的单位光源模块包括：发光单元，包括与多个视点相对应的多个点光源;以及集光单元，设置成与发光单元隔开预定距离并且收集和输出光 源从多个点光源输出。
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