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公开(公告)号：US10909836B2
公开(公告)日：2021-02-02
申请号：US16441315
申请日：2019-06-14
Inventor： Hyun Tae Cho , Dong Sam Ha
Abstract: A device for preventing mobile phone loss for reducing the times of erroneous occurrences of an alarm, and to a method for providing an alarm for mobile phone loss prevention are disclosed. A device for preventing mobile phone loss according to an embodiment of the inventive concept includes a receiving unit that receives a predetermined signal from a pre-registered tag, a calculating unit that calculates a distance between a mobile phone and the tag based on the received signal, a controller that determines whether the mobile phone is in a predetermined safe place, and an alarm providing unit that provides an alarm for preventing the mobile phone loss based on whether the mobile phone is in the safe place and whether the calculated distance is equal to or greater than a predetermined reference distance.
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2.发明申请公开(公告)号：US20200242917A1
公开(公告)日：2020-07-30
申请号：US16441404
申请日：2019-06-14
Inventor： Dong Sam Ha , Hyun Tae Cho , Jae Won Lee
Abstract: Disclosed is a car seat system for reducing false alarm occurrences and a method for operating the car seat system. A car seat system according to one embodiment of the inventive concept includes a sensor unit including a plurality of sensors including a pressure sensor, and sensing an object on a car seat, a sensor controller that controls a main controller to enter a wake-up mode from a sleep mode when pressure information sensed about the object is received from the pressure sensor, the main controller that, upon entering the wake-up mode by the sensor controller, determines the object based on information sensed by each of the plurality of sensors and received via the sensor controller, and provides a beacon signal about the object based on the determination, and a transmitting unit that broadcasts the beacon signal from the main controller.
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公开(公告)号：US20200242912A1
公开(公告)日：2020-07-30
申请号：US16441315
申请日：2019-06-14
Inventor： Hyun Tae Cho , Dong Sam Ha
Abstract: A device for preventing mobile phone loss for reducing the times of erroneous occurrences of an alarm, and to a method for providing an alarm for mobile phone loss prevention are disclosed. A device for preventing mobile phone loss according to an embodiment of the inventive concept includes a receiving unit that receives a predetermined signal from a pre-registered tag, a calculating unit that calculates a distance between a mobile phone and the tag based on the received signal, a controller that determines whether the mobile phone is in a predetermined safe place, and an alarm providing unit that provides an alarm for preventing the mobile phone loss based on whether the mobile phone is in the safe place and whether the calculated distance is equal to or greater than a predetermined reference distance.
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