JP2009130896A - Idタグ - Google Patents
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- JP2009130896A JP2009130896A JP2007307000A JP2007307000A JP2009130896A JP 2009130896 A JP2009130896 A JP 2009130896A JP 2007307000 A JP2007307000 A JP 2007307000A JP 2007307000 A JP2007307000 A JP 2007307000A JP 2009130896 A JP2009130896 A JP 2009130896A
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- 238000004891 communication Methods 0.000 claims abstract description 47
- 238000001514 detection method Methods 0.000 claims description 6
- 230000005674 electromagnetic induction Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 17
- 230000005540 biological transmission Effects 0.000 description 13
- 238000005516 engineering process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000004044 response Effects 0.000 description 4
- 230000000087 stabilizing effect Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000989 no adverse effect Toxicity 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/40—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by components specially adapted for near-field transmission
- H04B5/48—Transceivers
-
- 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
- G06K19/0713—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 the arrangement including a power charge pump
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/72—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for local intradevice communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/77—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for interrogation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/79—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for data transfer in combination with power transfer
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
- H04Q2213/13095—PIN / Access code, authentication
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)
- Signal Processing (AREA)
- Near-Field Transmission Systems (AREA)
Abstract
【解決手段】ASK前段昇圧回路13は、アンテナ端子LA,LBがそれぞれ接続されており、整流回路9と並列に接続された構成となっている。このASK前段昇圧回路13には、変調部として作用するバックスキャッタ用スイッチ12が設けられている。バックスキャッタ通信時において、バックスキャッタ信号’1’を送信する場合、バックスキャッタ用スイッチ12がONすることによって捨てられてしまう電流は、変調/復調部4の信号受信の経路のみから発生することになり、インピーダンスマッチング分以外の余分な電流ロスを防止することができる。
【選択図】図2
Description
図1は、本発明の実施の形態1によるIDタグの構成例を示すブロック図、図2は、図1のIDタグにおける整流部、および変調/復調部の構成例を示した説明図、図3は、IDタグによるバックスキャッタ通信時におけるバックスキャッタ信号の説明図である。
図4は、本発明の実施の形態2によるIDタグに設けられたASK前段昇圧回路、およびバックスキャッタ用スイッチの回路例を示す説明図、図5は、図4の整流部、および変調/復調部の構成例を示す回路図である。
図6は、本発明の実施の形態3によるIDタグに設けられた整流部、変調/復調部、メモリ部、メモリ用昇圧回路、および内部回路の構成を示した説明図である。
図8は、本発明の実施の形態4によるIDタグにおける整流部、および変調/復調部の構成例を示した説明図である。
図9は、本発明の実施の形態5によるIDタグの構成例を示したブロック図である。
2 アンテナ
3 整流部
3a 整流部
4 変調/復調部
5 送信系論理回路
6 受信系論理回路
7 制御回路
8 メモリ部
8a メモリ用昇圧回路
9 整流回路
10 電源電圧制御回路
10a レギュレータ
10b 静電容量素子
11 内部回路
11a 内部回路
12 バックスキャッタ用スイッチ
13 ASK前段昇圧回路
14 復調回路
15,16 静電容量素子
17,18 ダイオード
19 レベルシフタ
LA,LB アンテナ端子
C1〜C4 静電容量素子
D1〜D8 ダイオード
R1〜R3 抵抗
OP オペアンプ
T1 トランジスタ
VrC 基準電圧発生回路
Claims (8)
- リーダ/ライタから受けた電波を電力に変換し、前記リーダ/ライタへ情報を送信する際にバックスキャッタ通信を行うIDタグであって、
前記リーダ/ライタからの電波を送受信するアンテナと、
前記アンテナに接続され、前記アンテナが受信した前記リーダ/ライタから出力された電波の電磁誘導による電力を整流して一次電圧を生成する整流回路と、
前記整流回路が生成した一次電圧を安定化して内部電源電圧を生成し、内部回路に供給する安定化電圧回路と、
前記IDタグが、バックスキャッタ通信を行う際に、前記アンテナのインピーダンスを変化させてマッチングをずらすバックスキャッタ用スイッチとを備え、
前記バックスキャッタ用スイッチは、前記整流回路に並列接続された内部回路に設けられていることを特徴とするIDタグ。 - 請求項1記載のIDタグにおいて、
前記整流回路に並列接続された内部回路は、
前記アンテナが受信した前記リーダ/ライタから出力された電波を昇圧/整流し、包絡線検波を行うASK前段昇圧回路であり、
前記バックスキャッタ用スイッチは、
前記ASK前段昇圧回路に設けられていることを特徴とするIDタグ。 - 請求項2記載のIDタグにおいて、
前記バックスキャッタ用スイッチは、
前記ASK前段昇圧回路の出力部と基準電位との間に接続されていることを特徴とするIDタグ。 - 請求項2または3記載のIDタグにおいて、
前記バックスキャッタ用スイッチを動作制御する制御信号をレベル変換するレベルシフタを備え、
前記レベルシフタは、
前記バックスキャッタ用スイッチを、前記整流回路が生成した一次電圧によって駆動させることを特徴とするIDタグ。 - 請求項1記載のIDタグにおいて、
前記整流回路に並列接続された内部回路は、
前記アンテナが受信した前記リーダ/ライタから出力された電波を昇圧/整流して昇圧電源電圧を生成し、情報の格納を行うメモリ部の動作電源として供給するメモリ用昇圧回路であることを特徴とするIDタグ。 - リーダ/ライタから受けた電波を電力に変換し、前記リーダ/ライタへ情報を送信する際にバックスキャッタ通信を行うIDタグであって、
前記リーダ/ライタからの電波を送受信するアンテナと、
前記アンテナに接続され、前記アンテナが受信した前記リーダ/ライタから出力された電波の電磁誘導による電力を整流して一次電圧を生成する第1の整流回路と、
前記第1の整流回路が生成した一次電圧を安定化して内部電源電圧を生成し、第1の内部回路に供給する第1の安定化電圧回路と、
前記第1の整流回路に並列接続され、前記アンテナが受信した前記リーダ/ライタから出力された電波の電磁誘導による電力を整流して一次電圧を生成する第2の整流回路と、
前記第1の整流回路が生成した一次電圧を安定化して内部電源電圧を生成し、第2の内部回路に供給する第2の安定化電圧回路と、
前記IDタグがバックスキャッタ通信を行う際に、前記アンテナのインピーダンスを変化させてマッチングをずらすバックスキャッタ用スイッチとを備え、
前記バックスキャッタ用スイッチは、前記第1の整流回路に並列接続された前記第2の整流回路に設けられていることを特徴とするIDタグ。 - 請求項6記載のIDタグにおいて、
前記第1の内部回路は、基準クロックを生成し、論理回路に供給するクロック生成回路からなり、
前記第2の内部回路は、前記論理回路からなることを特徴とするIDタグ。 - 請求項6または7記載のIDタグにおいて、
前記第1の整流回路に並列接続され、前記アンテナが受信した前記リーダ/ライタから出力された電波を昇圧/整流し、包絡線検波を行うASK前段昇圧回路を有することを特徴とするIDタグ。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007307000A JP5155642B2 (ja) | 2007-11-28 | 2007-11-28 | Idタグ |
US12/244,842 US8319611B2 (en) | 2007-11-28 | 2008-10-03 | Radio frequency indentification tag |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007307000A JP5155642B2 (ja) | 2007-11-28 | 2007-11-28 | Idタグ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009130896A true JP2009130896A (ja) | 2009-06-11 |
JP5155642B2 JP5155642B2 (ja) | 2013-03-06 |
Family
ID=40669199
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007307000A Expired - Fee Related JP5155642B2 (ja) | 2007-11-28 | 2007-11-28 | Idタグ |
Country Status (2)
Country | Link |
---|---|
US (1) | US8319611B2 (ja) |
JP (1) | JP5155642B2 (ja) |
Cited By (35)
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WO2012090840A1 (ja) * | 2010-12-28 | 2012-07-05 | 国立大学法人東北大学 | マイクロ波帯昇圧整流回路及びこれを用いた無線タグ装置と無線タグシステム |
JP2013530574A (ja) * | 2010-04-19 | 2013-07-25 | シーメンス アクチエンゲゼルシヤフト | ワイヤレスコントロール装置 |
US8662403B2 (en) | 2007-07-04 | 2014-03-04 | Murata Manufacturing Co., Ltd. | Wireless IC device and component for wireless IC device |
US8690070B2 (en) | 2009-04-14 | 2014-04-08 | Murata Manufacturing Co., Ltd. | Wireless IC device component and wireless IC device |
US8720789B2 (en) | 2012-01-30 | 2014-05-13 | Murata Manufacturing Co., Ltd. | Wireless IC device |
US8740093B2 (en) | 2011-04-13 | 2014-06-03 | Murata Manufacturing Co., Ltd. | Radio IC device and radio communication terminal |
US8757502B2 (en) | 2011-02-28 | 2014-06-24 | Murata Manufacturing Co., Ltd. | Wireless communication device |
US8770489B2 (en) | 2011-07-15 | 2014-07-08 | Murata Manufacturing Co., Ltd. | Radio communication device |
US8797148B2 (en) | 2008-03-03 | 2014-08-05 | Murata Manufacturing Co., Ltd. | Radio frequency IC device and radio communication system |
US8797225B2 (en) | 2011-03-08 | 2014-08-05 | Murata Manufacturing Co., Ltd. | Antenna device and communication terminal apparatus |
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US8853549B2 (en) | 2009-09-30 | 2014-10-07 | Murata Manufacturing Co., Ltd. | Circuit substrate and method of manufacturing same |
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US8905296B2 (en) | 2011-12-01 | 2014-12-09 | Murata Manufacturing Co., Ltd. | Wireless integrated circuit device and method of manufacturing the same |
US8917211B2 (en) | 2008-11-17 | 2014-12-23 | Murata Manufacturing Co., Ltd. | Antenna and wireless IC device |
US8973841B2 (en) | 2008-05-21 | 2015-03-10 | Murata Manufacturing Co., Ltd. | Wireless IC device |
US8976075B2 (en) | 2009-04-21 | 2015-03-10 | Murata Manufacturing Co., Ltd. | Antenna device and method of setting resonant frequency of antenna device |
US8991713B2 (en) | 2011-01-14 | 2015-03-31 | Murata Manufacturing Co., Ltd. | RFID chip package and RFID tag |
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US9024725B2 (en) | 2009-11-04 | 2015-05-05 | Murata Manufacturing Co., Ltd. | Communication terminal and information processing system |
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2008
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Cited By (43)
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US20090134979A1 (en) | 2009-05-28 |
US8319611B2 (en) | 2012-11-27 |
JP5155642B2 (ja) | 2013-03-06 |
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