JP2002511222A - 電力消費低減手段を有する受動データキャリア - Google Patents
電力消費低減手段を有する受動データキャリアInfo
- Publication number
- JP2002511222A JP2002511222A JP54908599A JP54908599A JP2002511222A JP 2002511222 A JP2002511222 A JP 2002511222A JP 54908599 A JP54908599 A JP 54908599A JP 54908599 A JP54908599 A JP 54908599A JP 2002511222 A JP2002511222 A JP 2002511222A
- Authority
- JP
- Japan
- Prior art keywords
- clock signal
- signal
- clk
- data
- power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0701—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips at least one of the integrated circuit chips comprising an arrangement for power management
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
- G06K19/07—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips
- G06K19/0723—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with integrated circuit chips the record carrier comprising an arrangement for non-contact communication, e.g. wireless communication circuits on transponder cards, non-contact smart cards or RFIDs
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Near-Field Transmission Systems (AREA)
- Primary Cells (AREA)
- Communication Cables (AREA)
- Surgical Instruments (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.受信すべきデータに依存して振幅変調され、高振幅の大間隔(H)および減 少振幅の休止間隔(P)を具える振幅変調キャリア信号(S)を受信する受信 手段(2)と、この受信手段(2)に接続され受信キャリア信号(S)から直 流電力を発生し、発生直流電力の記憶用記憶手段(10)を含む電力発生手段 (4)と、前記受信手段(2)に接続され受信キャリア信号(S)の前記休止 間隔(P)を検出するとともに休止間隔(P)を検出すると識別信号(KS) を発生し、供給する休止検出手段(5)と、前記受信手段(2)に接続され受 信キャリア信号(S)からクロック信号(CLK)を発生せしめ、この発生ク ロック信号(CLK)を供給するクロック信号発生手段(6)と前記電力発生 手段(4)の前記記憶手段(10)から直流電力を受けるとともに前記クロッ ク信号発生手段(6)からのクロック信号(CLK)を受けるように配列され 、受信キャリア信号(S)で変調されたデータを処理するとともにクロック信 号(CLK)が供給されない場合に遊休電力消費を行うとともにクロック信号( CLK)が供給される場合に前記遊休電力消費よりも高い動作電力消費を行う データ処理手段(8)とを具えるデータキャリア(1)において、前記休止検 出手段(5)を含み、休止間隔(P)の検出時に前記クロック信号(CLK) の前記データ処理手段(8)への供給を禁止せしめる制御手段(19)を設け るようにしたことを特徴とするデータキャリア。 2.前記制御手段(19)は論理手段(20)を具え、前記休止検出手段(5) によって発生した識別信号(KS)および前記クロック信号発生手段(6)に よって発生したクロック信号(CLK)を前記論理手段(20)に供給し得る ようにし、前記論理手段(20)によって前記識別信号(KS)に依存し、前 記クロック信号(CLK)の前記データ処理手段(8)への供給を禁止せしめ ることを特徴とする請求項1に記載のデータキャリア。 3.前記論理手段(20)は、前記識別信号(KS)の発生開始時(T2)に直 ちに前記クロック信号(CLK)の前記データ処理手段(8)への供給禁止を 開始することを特徴とする請求項2に記載のデータキャリア。 4.前記論理手段(20)は、前記識別信号(KS)の発生停止時(T5)に前 記クロック信号(CLK)の前記データ処理手段(8)への供給禁止をある遅 延を持って停止することを特徴とする請求項3に記載のデータキャリア。 5.受信すべきデータに依存して振幅変調され、高振幅の大間隔(H)および減 少振幅の休止間隔(P)を具える受信振幅変調キャリア信号(S)を供給し得 、受信キャリア信号(S)から直流電力を発生し且つ発生直流電力の記憶用記 憶手段(10)を含む、以下電力発生手段(4)と称される手段と;受信キャ リア信号(S)を供給して受信キャリア信号(S)の休止間隔(P)を検出す るとともに休止間隔(P)の検出時に識別信号(KS)を発生し、供給する休 止検出手段(5)と;前記受信キャリア信号(S)を供給して受信キャリア信 号(S)からクロック信号(CLK)を発生せしめ、この発生クロック信号( CLK)を供給するクロック信号発生手段(6)と;前記電力発生手段(4) の前記記憶手段(10)から直流電力を受けるとともに前記クロック信号発生 手段(6)からのクロック信号(CLK)を受けるように配列され、受信キャ リア信号(S)で変調されたデータを処理するとともにクロック信号(CLK )が供給されない場合に遊休電力消費のみを行うとともにクロック信号(CL K)が供給される場合に前記遊休電力消費よりも高い動作電力消費を行うデー タ処理手段(8)と;を具える回路(4,5,6,7,8,19)において、前記休止検出 手段(5)を含み、休止間隔(P)の検出時に前記クロック信号(CLK)の 前記データ処理手段(8)への供給を禁止せしめる制御手段(19)を設ける ようにしたことを特徴とする回路。 6.請求項5に記載の回路(4,5,6,7,8,19)において、前記制御手段(19)は 論理手段(20)を具え、前記休止検出手段(5)によって発生した識別信号 (KS)および前記クロック信号発生手段(6)によって発生したクロック信 号(CLK)を前記論理手段(20)に供給し得るようにし、前記論理手段( 20)によって前記識別信号(KS)に依存し、前記クロック信号(CLK) の前記データ処理手段(8)への供給を禁止せしめることを特徴とする回路。 7.請求項6に記載の回路(4,5,6,7,8,19)において、前記論理手段(20)は 、前記識別信号(KS)の発生開始時(T2)に直ちに前記クロック信号(C L K)の前記データ処理手段(8)への供給禁止を開始することを特徴とする回 路。 8.請求項7に記載の回路(4,5,6,7,8,19)において、前記論理手段(20)は 、前記識別信号(KS)の発生停止時(T5)に前記クロック信号(CLK) の前記データ処理手段(8)への供給禁止をある遅延を持って停止することを 特徴とする回路。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98890087.4 | 1998-03-27 | ||
EP98890087 | 1998-03-27 | ||
PCT/IB1999/000434 WO1999050738A2 (en) | 1998-03-27 | 1999-03-15 | Passive data carrier having means for reducing the power consumption |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2002511222A true JP2002511222A (ja) | 2002-04-09 |
JP2002511222A5 JP2002511222A5 (ja) | 2006-07-20 |
JP4011637B2 JP4011637B2 (ja) | 2007-11-21 |
Family
ID=8237160
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP54908599A Expired - Lifetime JP4011637B2 (ja) | 1998-03-27 | 1999-03-15 | 電力消費低減手段を有する受動データキャリア |
Country Status (6)
Country | Link |
---|---|
US (1) | US6595414B1 (ja) |
EP (1) | EP0991992B1 (ja) |
JP (1) | JP4011637B2 (ja) |
AT (1) | ATE259513T1 (ja) |
DE (1) | DE69914692T2 (ja) |
WO (1) | WO1999050738A2 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001071487A2 (en) * | 2000-03-21 | 2001-09-27 | Koninklijke Philips Electronics N.V. | Data carrier having address mode extension means and command extension means |
JP2003532242A (ja) | 2000-05-03 | 2003-10-28 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 処理を中断するリセット手段を有するデータキャリア |
US7757094B2 (en) * | 2001-02-27 | 2010-07-13 | Qualcomm Incorporated | Power management for subscriber identity module |
JP4519476B2 (ja) * | 2004-02-03 | 2010-08-04 | 株式会社東芝 | 無線通信装置 |
JP4738771B2 (ja) * | 2004-07-29 | 2011-08-03 | ルネサスエレクトロニクス株式会社 | 通信システム、及び通信方法 |
KR101543646B1 (ko) * | 2009-03-13 | 2015-08-12 | 삼성전자주식회사 | Type-a 복조 장치 및 이를 구비한 집적회로 카드 |
EP3572968B1 (en) * | 2018-05-22 | 2021-08-04 | Nxp B.V. | Clock gating unit for a transponder |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT395224B (de) * | 1990-08-23 | 1992-10-27 | Mikron Ges Fuer Integrierte Mi | Kontaktloses, induktives datenuebertragungssystem |
DE4107311C2 (de) * | 1991-03-07 | 1996-02-08 | Telefunken Microelectron | Verfahren zur drahtlosen Übertragung von Daten auf einen Datenträger |
US5418353A (en) * | 1991-07-23 | 1995-05-23 | Hitachi Maxell, Ltd. | Non-contact, electromagnetically coupled transmission and receiving system for IC cards |
DE4243108A1 (de) * | 1992-12-18 | 1994-06-23 | Eurosil Electronic Gmbh | IC-Karte |
US5504910A (en) * | 1994-02-02 | 1996-04-02 | Advanced Micro Devices, Inc. | Power management unit including software configurable state register and time-out counters for protecting against misbehaved software |
JP2866016B2 (ja) * | 1994-12-22 | 1999-03-08 | 三菱電機株式会社 | Icカードのリード・ライト装置の変調器、その復調器 |
-
1999
- 1999-03-15 WO PCT/IB1999/000434 patent/WO1999050738A2/en active IP Right Grant
- 1999-03-15 AT AT99906398T patent/ATE259513T1/de not_active IP Right Cessation
- 1999-03-15 EP EP99906398A patent/EP0991992B1/en not_active Expired - Lifetime
- 1999-03-15 DE DE69914692T patent/DE69914692T2/de not_active Expired - Lifetime
- 1999-03-15 JP JP54908599A patent/JP4011637B2/ja not_active Expired - Lifetime
- 1999-03-24 US US09/275,369 patent/US6595414B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP4011637B2 (ja) | 2007-11-21 |
EP0991992A2 (en) | 2000-04-12 |
DE69914692T2 (de) | 2004-10-21 |
EP0991992B1 (en) | 2004-02-11 |
DE69914692D1 (de) | 2004-03-18 |
WO1999050738A3 (en) | 1999-12-09 |
ATE259513T1 (de) | 2004-02-15 |
WO1999050738A2 (en) | 1999-10-07 |
US6595414B1 (en) | 2003-07-22 |
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