-
公开(公告)号:US11653308B2
公开(公告)日:2023-05-16
申请号:US17408700
申请日:2021-08-23
发明人: Junghun Heo , Youngduk Kim , Joonseok Kim , Dongsuk Shin
CPC分类号: H04W52/0287 , G06F1/32 , H04W52/0261 , Y02D30/70
摘要: A power management approach for a mobile device includes comparing a battery provided power supply voltage to a reference voltage in order to generate an alarm signal. In response to the alarm signal the frequency of an operating clock applied to a system-on-chip is changed.
-
公开(公告)号:US11611695B2
公开(公告)日:2023-03-21
申请号:US17038577
申请日:2020-09-30
发明人: Bongjin Sohn , Kyumin Kyung , Joonseok Kim , Seungchul Shin , Seoungjae Yoo , Inchun Lim
摘要: An imaging device includes a light source operating in response to an optical control signal having a predetermined frequency, a sensor including a plurality of pixels, configured to generate an electrical signal in response to a light reception signal output by the light source and reflected from a subject, and a logic circuit configured to generate first raw data of a spatial domain based on the electrical signal, and an image signal processor configured to convert the first raw data into second raw data of a frequency domain, to select low-frequency data of the second raw data within a frequency band lower than a predetermined reference frequency, to apply a predetermined weighting to the low-frequency data to generate weighted data, and to generate a resultant image based on the first raw data and the weighted data.
-
公开(公告)号:US20240192752A1
公开(公告)日:2024-06-13
申请号:US18584309
申请日:2024-02-22
发明人: Jaegon LEE , Yohan Kwon , Sangho Kim , Seki Kim , Joonseok Kim , Yooseok Shon , Dooseok Yoon , Iksu Lee , Jongpil Lee , Hyongmin Lee , Wookyeong Jeong
摘要: A system on chip includes a core configured to maintain a clock gating state; a plurality of header switch circuits configured to deliver a supply voltage, which is reduced from an external supply voltage, to the core in response to a plurality of control signals; and a voltage regulator configured to monitor the supply voltage, change logic levels of the plurality of control signals according to a difference level corresponding to a difference between the supply voltage and a preset target voltage, and output the plurality of control signals of which the logic levels have been changed to the plurality of header switch circuits.
-
公开(公告)号:US11947401B2
公开(公告)日:2024-04-02
申请号:US17559684
申请日:2021-12-22
发明人: Jaegon Lee , Yohan Kwon , Sangho Kim , Seki Kim , Joonseok Kim , Yooseok Shon , Dooseok Yoon , Iksu Lee , Jongpil Lee , Hyongmin Lee , Wookyeong Jeong
摘要: A system on chip includes a core configured to maintain a clock gating state; a plurality of header switch circuits configured to deliver a supply voltage, which is reduced from an external supply voltage, to the core in response to a plurality of control signals; and a voltage regulator configured to monitor the supply voltage, change logic levels of the plurality of control signals according to a difference level corresponding to a difference between the supply voltage and a preset target voltage, and output the plurality of control signals of which the logic levels have been changed to the plurality of header switch circuits.
-
公开(公告)号:US20220253117A1
公开(公告)日:2022-08-11
申请号:US17559684
申请日:2021-12-22
发明人: Jaegon Lee , Yohan Kwon , Sangho Kim , Seki Kim , Joonseok Kim , Yooseok Shon , Dooseok Yoon , Iksu Lee , Jongpil Lee , Hyongmin Lee , Wookyeong Jeong
摘要: A system on chip includes a core configured to maintain a clock gating state; a plurality of header switch circuits configured to deliver a supply voltage, which is reduced from an external supply voltage, to the core in response to a plurality of control signals; and a voltage regulator configured to monitor the supply voltage, change logic levels of the plurality of control signals according to a difference level corresponding to a difference between the supply voltage and a preset target voltage, and output the plurality of control signals of which the logic levels have been changed to the plurality of header switch circuits.
-
公开(公告)号:US11122513B2
公开(公告)日:2021-09-14
申请号:US16537869
申请日:2019-08-12
发明人: Junghun Heo , Youngduk Kim , Joonseok Kim , Dongsuk Shin
摘要: A power management approach for a mobile device includes comparing a battery provided power supply voltage to a reference voltage in order to generate an alarm signal. In response to the alarm signal the frequency of an operating clock applied to a system-on-chip is changed.
-
-
-
-
-