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1.发明授权Method of operating smart card and method of operating smart card system including the same 有权操作智能卡的方法及操作智能卡系统的方法公开(公告)号：US09589221B2
公开(公告)日：2017-03-07
申请号：US14819565
申请日：2015-08-06
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hyuck-Jun Cho , Donald Na , Seung-Hwan Baek , Jae-Keun Oh , Kee-Moon Chun
CPC classification number: G06K7/0021 , G06F1/00 , G06F1/06 , G06F1/3287 , G06K19/07 , G06K19/0701 , G06K19/0715 , G06Q20/341 , Y02D10/171 , Y02D50/20
Abstract: A smart card may include data storage and transmission circuitry, a plurality of voltage controllers to supply operational power to card circuitry, a plurality of oscillators to supply an internal clock for the card, and power management circuitry. The power management circuitry may be configured to shut down the oscillators and at least one, but not all, voltage controllers during a period after a data transmission is completed.
Abstract translation: 智能卡可以包括数据存储和传输电路，向卡电路提供操作电力的多个电压控制器，用于为该卡提供内部时钟的多个振荡器以及电源管理电路。 功率管理电路可以被配置为在数据传输完成之后的一段时间内关闭振荡器和至少一个但不是全部的电压控制器。
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公开(公告)号：US10565405B2
公开(公告)日：2020-02-18
申请号：US15432601
申请日：2017-02-14
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Hyuck-Jun Cho , Donald Na , Seung-Hwan Baek , Jae-Keun Oh , Kee-Moon Chun
Abstract: A smart card may include data storage and transmission circuitry, a plurality of voltage controllers to supply operational power to card circuitry, a plurality of oscillators to supply an internal clock for the card, and power management circuitry. The power management circuitry may be configured to shut down the oscillators and at least one, but not all, voltage controllers during a period after a data transmission is completed.
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公开(公告)号：US09628034B2
公开(公告)日：2017-04-18
申请号：US14798675
申请日：2015-07-14
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Ji-Yong Jeong , Jin-Soo Kim , Seung-Hwan Baek , Ha-Joon Shin
CPC classification number: H03F3/303 , G09G2310/0291 , G09G2320/0252 , G09G2330/021 , H03F3/45219 , H03F2203/30015 , H03F2203/30021 , H03F2203/45112 , H03F2203/45116 , H03F2203/45244 , H03F2203/45274 , H03F2203/45512
Abstract: An operational amplifying circuit are provided. The operational amplifying circuit includes a control circuit, pull-up and pull-down transistors, first and second bias circuits, and a bias voltage generating circuit. The control circuit includes first and second input terminals, and is configured to change, when an input voltage transitions to a first level, a voltage level of a pull-up node and a pull-down node to a second level different from the first level. The pull-up transistor provides a power supply voltage to the output terminal. The pull-down transistor connects the output terminal to a ground voltage. The first bias circuit provides a first bias current to the control circuit. The bias voltage generating circuit generates a bias voltage when the voltage level of at least one of the pull-up and pull-down nodes reaches a threshold voltage level, and the second bias circuit provides a second bias current to the control circuit.
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4.发明申请METHOD OF OPERATING SMART CARD AND METHOD OF OPERATING SMART CARD SYSTEM INCLUDING THE SAME 有权操作智能卡的方法和操作包括其的智能卡系统的方法公开(公告)号：US20160078337A1
公开(公告)日：2016-03-17
申请号：US14819565
申请日：2015-08-06
Applicant: Samsung Electronics Co., Ltd.
Inventor： Hyuck-Jun Cho , Donald Na , Seung-Hwan Baek , Jae-Keun Oh , Kee-Moon Chun
IPC: G06K19/07
CPC classification number: G06K7/0021 , G06F1/00 , G06F1/06 , G06F1/3287 , G06K19/07 , G06K19/0701 , G06K19/0715 , G06Q20/341 , Y02D10/171 , Y02D50/20
Abstract: A smart card may include data storage and transmission circuitry, a plurality of voltage controllers to supply operational power to card circuitry, a plurality of oscillators to supply an internal clock for the card, and power management circuitry. The power management circuitry may be configured to shut down the oscillators and at least one, but not all, voltage controllers during a period after a data transmission is completed.
Abstract translation: 智能卡可以包括数据存储和传输电路，向卡电路提供操作电力的多个电压控制器，用于为该卡提供内部时钟的多个振荡器以及电源管理电路。 功率管理电路可以被配置为在数据传输完成之后的一段时间内关闭振荡器和至少一个但不是全部的电压控制器。
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