JP5180292B2 - 時間推定の精度を向上させるための回路を備えるメモリ装置とその装置で使用する方法 - Google Patents

時間推定の精度を向上させるための回路を備えるメモリ装置とその装置で使用する方法 Download PDF

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Publication number
JP5180292B2
JP5180292B2 JP2010511333A JP2010511333A JP5180292B2 JP 5180292 B2 JP5180292 B2 JP 5180292B2 JP 2010511333 A JP2010511333 A JP 2010511333A JP 2010511333 A JP2010511333 A JP 2010511333A JP 5180292 B2 JP5180292 B2 JP 5180292B2
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Japan
Prior art keywords
time
memory device
accuracy
calculating
operating
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Expired - Fee Related
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JP2010511333A
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English (en)
Japanese (ja)
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JP2010531486A (ja
Inventor
ホルツマン，マイケル
セラ，ロッテム
バージライ，ロン
イー． ジョガンド−クーロン，ファブリス
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サンディスク テクノロジィース インコーポレイテッド
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Priority claimed from US11/811,347 external-priority patent/US20080304364A1/en
Priority claimed from US11/811,284 external-priority patent/US8688924B2/en
Application filed by サンディスク テクノロジィース インコーポレイテッド filed Critical サンディスク テクノロジィース インコーポレイテッド
Publication of JP2010531486A publication Critical patent/JP2010531486A/ja
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Publication of JP5180292B2 publication Critical patent/JP5180292B2/ja
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
    • G06F1/14—Time supervision arrangements, e.g. real time clock
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/71—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information
    • G06F21/72—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information in cryptographic circuits
    • G06F21/725—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information in cryptographic circuits operating on a secure reference time value

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Technology Law (AREA)
  • Mathematical Physics (AREA)
  • Storage Device Security (AREA)
  • Electric Clocks (AREA)
  • Debugging And Monitoring (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
JP2010511333A 2007-06-08 2008-06-05 時間推定の精度を向上させるための回路を備えるメモリ装置とその装置で使用する方法 Expired - Fee Related JP5180292B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US11/811,284 2007-06-08
US11/811,347 US20080304364A1 (en) 2007-06-08 2007-06-08 Memory device with circuitry for improving accuracy of a time estimate
US11/811,284 US8688924B2 (en) 2007-06-08 2007-06-08 Method for improving accuracy of a time estimate from a memory device
US11/811,347 2007-06-08
PCT/US2008/065965 WO2008154307A2 (en) 2007-06-08 2008-06-05 Memory device with circuitry for improving accuracy of a time estimate and method for use therewith

Publications (2)

Publication Number Publication Date
JP2010531486A JP2010531486A (ja) 2010-09-24
JP5180292B2 true JP5180292B2 (ja) 2013-04-10

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JP2010511333A Expired - Fee Related JP5180292B2 (ja) 2007-06-08 2008-06-05 時間推定の精度を向上させるための回路を備えるメモリ装置とその装置で使用する方法

Country Status (6)

Country Link
EP (1) EP2153299A2 (ko)
JP (1) JP5180292B2 (ko)
KR (1) KR20100017715A (ko)
CN (1) CN101720455B (ko)
TW (1) TW200907686A (ko)
WO (1) WO2008154307A2 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109388617B (zh) * 2018-10-31 2020-10-30 厦门市美亚柏科信息股份有限公司 一种文件时间戳可信度的判定方法及装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3056084B2 (ja) * 1996-08-15 2000-06-26 静岡日本電気株式会社 無線選択呼出受信機
DE69937682T2 (de) * 1999-10-20 2008-11-20 Sony Deutschland Gmbh Mobiler Terminal für ein drahtloses Telekommunikationsverfahren mit genauer Echtzeiterzeugung
JP3419407B1 (ja) * 2002-03-29 2003-06-23 セイコーエプソン株式会社 電子機器および電子機器の受信制御方法
WO2004075525A1 (en) * 2003-02-20 2004-09-02 Ase R & D Europe Method for offering time on smart card and method for time registration by means of mobile communication device
JP2005063079A (ja) * 2003-08-11 2005-03-10 Matsushita Electric Ind Co Ltd メモリカード装置、権利管理システムおよび時間管理方法
JP3949648B2 (ja) * 2003-12-05 2007-07-25 株式会社東芝 移動通信端末装置
JP4301035B2 (ja) * 2004-03-02 2009-07-22 ソニー株式会社 再生時刻管理システム、再生時刻管理方法、再生装置、再生方法、記録媒体
JP2005331461A (ja) * 2004-05-21 2005-12-02 Seiko Epson Corp 電波修正時計、その制御方法、その制御プログラム、記憶媒体
US7411868B2 (en) * 2004-11-14 2008-08-12 International Business Machines Corporation Estimation of time within untrusted time device disconnected from trusted time device
JP4680686B2 (ja) * 2005-06-06 2011-05-11 アドバンス・デザイン株式会社 コンピュータ端末用記憶媒体
KR20070059380A (ko) * 2005-12-06 2007-06-12 삼성전자주식회사 내장 전원이 구비되지 않은 기기에서의 안전 클럭 구현방법 및 장치
WO2007148319A2 (en) * 2006-06-20 2007-12-27 Nds Limited Time information management system

Also Published As

Publication number Publication date
WO2008154307A3 (en) 2009-07-23
CN101720455B (zh) 2013-08-14
EP2153299A2 (en) 2010-02-17
KR20100017715A (ko) 2010-02-16
TW200907686A (en) 2009-02-16
JP2010531486A (ja) 2010-09-24
WO2008154307A2 (en) 2008-12-18
CN101720455A (zh) 2010-06-02

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