JP4556192B2 - 送信装置の作動方法およびこの方法に従って作動する送信装置 - Google Patents
送信装置の作動方法およびこの方法に従って作動する送信装置 Download PDFInfo
- Publication number
- JP4556192B2 JP4556192B2 JP2006504300A JP2006504300A JP4556192B2 JP 4556192 B2 JP4556192 B2 JP 4556192B2 JP 2006504300 A JP2006504300 A JP 2006504300A JP 2006504300 A JP2006504300 A JP 2006504300A JP 4556192 B2 JP4556192 B2 JP 4556192B2
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- JP
- Japan
- Prior art keywords
- amplifier
- transmission
- current
- control
- input terminal
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/20—Means to switch the anti-theft system on or off
- B60R25/24—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user
- B60R25/245—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user where the antenna reception area plays a role
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/32—Adaptation for use in or on road or rail vehicles
- H01Q1/3208—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used
- H01Q1/3233—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used particular used as part of a sensor or in a security system, e.g. for automotive radar, navigation systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/32—Adaptation for use in or on road or rail vehicles
- H01Q1/3208—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used
- H01Q1/3233—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used particular used as part of a sensor or in a security system, e.g. for automotive radar, navigation systems
- H01Q1/3241—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used particular used as part of a sensor or in a security system, e.g. for automotive radar, navigation systems particular used in keyless entry systems
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C2009/00753—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys
- G07C2009/00769—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means
- G07C2009/00793—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means by Hertzian waves
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmitters (AREA)
- Amplifiers (AREA)
Description
波出力電圧又は台形波出力電圧の立上り時間が制限される。電磁波放射従って電磁的両立性(EMV)は抑えられる。電磁波放射の抑制あるいはEMVのそれ以上の限定は、出力電圧(LFout)のエッジの目的にかなう形成により、好ましくは台形波あるいは矩形波出力電圧(LFout)により行われる。
2 増幅器
4 多重化装置
6 接地分岐
8 シャント
10 電流制御回路
12 電流検知器/コンパレータ
14 制御ロジック
16 ANDゲート
18 スイッチ機構/PWMラッチ
AZn アンテナ分岐
B バッファ
C コンデンサ
D ダイオード
En 入力端子
Eebl ENABLE入力端子
HSdiag 診断信号
LFn 送信アンテナ
LSdiag 診断信号
ILF 送信電流/実際値
IRef 基準電流/目標値
Ln 送信コイル
LFn 送信アンテナ
LFout 出力端子
LFclk タイミング信号
Mc 制御信号
Pin 制御入力端子
R 抵抗
ST トリガ信号
SS カレントミラー
T トランジスタ/MOSFET
UB 作動電圧
VH 供給電圧/ポテンシャル
Claims (6)
- 多数の長波送信アンテナ(LF 1...n )を持つアクセスシステムの送信装置(1)の作動方法であって、これらの長波送信アンテナ(LF 1...n )が共通に増幅器(2)の出力端子(LFout)に接続され、かつ多重化装置(4)を介して個々に起動され、それによりそれぞれ起動されるアンテナ(LF n )を経て送信電流(I LF )が導かれるものにおいて、送信電流(I LF )が制御されて、
送信電流(I LF )の実際値が検出されて目標値(I Ref )と比較され、
かつ送信電流(I LF )の実際値が目標値(I Ref )を超えた場合、増幅器(2)の入力信号(PWM in )が変化され、それにより送信電流(I LF )の実際値が目標値(I Ref )に近づけられるようにし、
入力信号(PWM in )の変化がパルス幅変調によって行われることを特徴とする方法。 - 増幅器(2)によって、長波送信アンテナ(LF 1...n )を駆動する矩形波あるいは台形波出力電圧(LF out )を発生することを特徴とする請求項1に記載の方法。
- 複数の長波送信アンテナ(LF 1...n )と、各長波送信アンテナ(LF n )を個別に起動する多重化装置(4)と、全ての長波送信アンテナ(LF 1...n )が共通に接続されている出力端子(LFout)を持つ増幅器(2)とを備えた、アクセスシステム用送信装置(1)において、送信電流(I LF )の実際値を検出する装置(8)と、増幅器(2)の入力信号(PWM in )のパルス幅変調を行う制御ユニット(10,12,14)を有し、送信電流(I LF )の実際値が目標値(I Ref )を超えた際制御ユニットが、送信電流(I LF )の実際値を変化して目標値(I Ref )に近づけることを特徴とする、送信装置。
- 制御ユニットが、増幅器(2)と多重化装置(4)との間に接続されて送信電流(I LF )を制限する電流制御装置(10)を備えていることを特徴とする、請求項3記載の送信装置。
- 増幅器(2)の制御入力端子(P in )に出力側を接続されている電流制御装置(10)の制御ロジック(14)が、タイミング信号(LF clk )用の第1入力端子(E l )と制御信号(S T )用の第2入力端子(E 2 )を有していることを特徴とする、請求項4記載の送信装置。
- 制御ロジック(14)が、タイミング信号(LF clk )用の第1入力端子および第2入力端子を備えた論理ゲート(16)を含み、スイッチ機構(18)を介してコンパレータ(12)が出力側を制御ロジック(14)の論理ゲート(16)と接続され、スイッチ機構(18)として、増幅器(2)の制御入力端子信号(P in )のパルス幅変調用の制御されるラッチ・フリップ・フロップが設けられていることを特徴とする、請求項5記載の送信装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10318727 | 2003-04-25 | ||
DE102004011926A DE102004011926A1 (de) | 2003-04-25 | 2004-03-11 | Verfahren zum Betreiben einer Sendevorrichtung sowie danach arbeitende Sendevorrichtung |
PCT/DE2004/000773 WO2004097748A1 (de) | 2003-04-25 | 2004-04-14 | Verfahren zum betreiben einer sendevorrichtung sowie danach arbeitende sendevorrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006527514A JP2006527514A (ja) | 2006-11-30 |
JP4556192B2 true JP4556192B2 (ja) | 2010-10-06 |
Family
ID=33419996
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006504300A Expired - Fee Related JP4556192B2 (ja) | 2003-04-25 | 2004-04-14 | 送信装置の作動方法およびこの方法に従って作動する送信装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20070149141A1 (ja) |
EP (1) | EP1618534B1 (ja) |
JP (1) | JP4556192B2 (ja) |
DE (1) | DE112004001193D2 (ja) |
WO (1) | WO2004097748A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10735576B1 (en) * | 2005-07-14 | 2020-08-04 | Binj Laboratories, Inc. | Systems and methods for detecting and controlling transmission devices |
US9037098B2 (en) * | 2007-08-30 | 2015-05-19 | Binj Laboratories, Inc. | System and method for wrist band transmitter and system thereof |
JP4905042B2 (ja) * | 2006-10-10 | 2012-03-28 | パナソニック株式会社 | アンテナ装置 |
JP2009021830A (ja) * | 2007-07-12 | 2009-01-29 | Omron Corp | 送信装置 |
WO2013050409A1 (en) * | 2011-10-07 | 2013-04-11 | Assa Abloy Czech & Slovakia S.R.O. | Solutions for relay attacks on passive keyless entry and go |
CN110890632B (zh) | 2018-09-10 | 2022-02-25 | 华为技术有限公司 | 调整天线半功率角的方法和装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE312601B (ja) * | 1968-03-18 | 1969-07-21 | Nitro Nobel Ab | |
US4984291A (en) * | 1988-12-09 | 1991-01-08 | Dallas Semiconductor Corporation | Coded communication system with shared symbols |
US4989261A (en) * | 1988-12-09 | 1991-01-29 | Dallas Semiconductor Corporation | Power supply intercept with reference output |
US5025486A (en) * | 1988-12-09 | 1991-06-18 | Dallas Semiconductor Corporation | Wireless communication system with parallel polling |
US6384696B1 (en) * | 1992-08-07 | 2002-05-07 | R.A. Miller Industries, Inc. | Multiplexer for sorting multiple signals from an antenna |
JPH08191259A (ja) * | 1995-01-11 | 1996-07-23 | Sony Chem Corp | 非接触式icカードシステム用送受信装置 |
JP3679194B2 (ja) * | 1996-05-29 | 2005-08-03 | 株式会社東海理化電機製作所 | 車両用ワイヤレスドアロック解除システム |
US5867533A (en) * | 1996-08-14 | 1999-02-02 | International Business Machines Corporation | Digital delta mode carrier sense for a wireless LAN |
JP3850081B2 (ja) * | 1996-11-21 | 2006-11-29 | マスプロ電工株式会社 | 送信装置 |
JP4252163B2 (ja) * | 1999-08-06 | 2009-04-08 | 吉川アールエフシステム株式会社 | データキャリア用質問機 |
JP4350864B2 (ja) * | 2000-03-01 | 2009-10-21 | アルプス電気株式会社 | キーレスエントリー装置 |
FR2808138B1 (fr) * | 2000-04-19 | 2002-06-07 | Valeo Electronique | Pilote d'antenne emetrice de champ magnetique a circuit rlc |
FR2808137B1 (fr) * | 2000-04-19 | 2002-06-07 | Valeo Electronique | Pilote d'antenne a courant crete constant |
-
2004
- 2004-04-14 WO PCT/DE2004/000773 patent/WO2004097748A1/de active Application Filing
- 2004-04-14 DE DE112004001193T patent/DE112004001193D2/de not_active Ceased
- 2004-04-14 EP EP04727218.2A patent/EP1618534B1/de not_active Expired - Lifetime
- 2004-04-14 JP JP2006504300A patent/JP4556192B2/ja not_active Expired - Fee Related
- 2004-04-14 US US10/554,485 patent/US20070149141A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
WO2004097748A1 (de) | 2004-11-11 |
US20070149141A1 (en) | 2007-06-28 |
EP1618534B1 (de) | 2014-01-08 |
EP1618534A1 (de) | 2006-01-25 |
DE112004001193D2 (de) | 2006-03-23 |
JP2006527514A (ja) | 2006-11-30 |
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