JP4357324B2 - タイヤ空気圧モニターシステム及び該タイヤ空気圧モニタシステムに使用するタイヤ空気圧モニター用受信機 - Google Patents
タイヤ空気圧モニターシステム及び該タイヤ空気圧モニタシステムに使用するタイヤ空気圧モニター用受信機 Download PDFInfo
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- JP4357324B2 JP4357324B2 JP2004067841A JP2004067841A JP4357324B2 JP 4357324 B2 JP4357324 B2 JP 4357324B2 JP 2004067841 A JP2004067841 A JP 2004067841A JP 2004067841 A JP2004067841 A JP 2004067841A JP 4357324 B2 JP4357324 B2 JP 4357324B2
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- JP
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- Prior art keywords
- signal
- tire
- tire pressure
- receiver
- level
- 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.)
- Expired - Fee Related
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- 238000012544 monitoring process Methods 0.000 title claims description 31
- 238000001514 detection method Methods 0.000 claims description 7
- 230000005684 electric field Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
- B60C23/0422—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver characterised by the type of signal transmission means
- B60C23/0433—Radio signals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
- B60C23/0422—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver characterised by the type of signal transmission means
- B60C23/0433—Radio signals
- B60C23/0435—Vehicle body mounted circuits, e.g. transceiver or antenna fixed to central console, door, roof, mirror or fender
- B60C23/0437—Means for detecting electromagnetic field changes not being part of the signal transmission per se, e.g. strength, direction, propagation or masking
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Measuring Fluid Pressure (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Circuits Of Receivers In General (AREA)
Description
23a〜23d:タイヤ
24a〜24d:センサー装置
25a〜25d:タイヤ空気圧モニター用受信機
251:アンテナ
252:高周波増幅器
253:ミキサ
254:発振器
255:中間周波フィルタ
256:検波器
257:ベースバンドフィルタ
258:RSSI信号増幅器
259:出力増幅器
26:制御装置
26a:データ処理部
26b:レベル調整手段
26b1:レベル検出手段
26b2:メモリ
26b3:レベル比較手段
26b4:利得制御信号発生手段
27:表示器
SW:スイッチ手段
R:帰還抵抗
Claims (3)
- 車輌のタイヤに設けられたセンサー装置から送信された無線信号を受信して前記無線信号の電界強度に対応したRSSI信号と前記無線信号に含まれる前記タイヤの少なくとも空気圧データとをそれぞれ検出するタイヤ空気圧モニター用受信機と、前記RSSI信号と前記空気圧データとが入力され、前記空気圧データを処理すると共に表示信号を出力する制御装置と、前記表示信号によってタイヤ空気圧を表示する表示部とを備え、前記タイヤ空気圧モニター用受信機を前記車輌の複数のタイヤに対応して個別に設け、
前記制御装置には、入力された前記RSSI信号のレベルを検出するレベル検出手段と、予め所定のレベル値を記憶したメモリと、前記検出したRSSI信号と前記所定のレベル値とを比較するレベル比較手段と、それらの差に応じて利得制御信号を出力して前記タイヤ空気圧モニター用受信機の利得を制御する利得制御信号発生手段とを有し、前記タイヤ空気圧モニター用受信機を制御して前記RSSI信号の出力レベルを調整するレベル調整手段を設け、
前記各タイヤ空気圧モニター用受信機から前記制御装置に入力される各RSSI信号のレベルをほぼ同一に設定したことを特徴とするタイヤ空気圧モニターシステム。 - 車輌のタイヤに設けられたセンサー装置から送信された無線信号を受信して前記無線信号の電界強度に対応したRSSI信号と前記無線信号に含まれる前記タイヤの少なくとも空気圧データとをそれぞれ検出する検出手段と、前記RSSI信号を増幅する増幅器とを設け、前記増幅器を可変利得増幅器で構成したことを特徴とするタイヤ空気圧モニター用受信機。
- 請求項1に記載のタイヤ空気圧モニターシステムに使用されるタイヤ空気圧モニター用受信機であって、前記可変利得増幅器はオペアンプと抵抗値の異なる複数の帰還抵抗とを有し、前記帰還抵抗を前記利得制御信号によって切り替えたことを特徴とする請求項2に記載のタイヤ空気圧モニター用受信機。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004067841A JP4357324B2 (ja) | 2004-03-10 | 2004-03-10 | タイヤ空気圧モニターシステム及び該タイヤ空気圧モニタシステムに使用するタイヤ空気圧モニター用受信機 |
US11/076,174 US7256687B2 (en) | 2004-03-10 | 2005-03-09 | Tire pneumatic pressure monitoring system and tire pneumatic pressure monitoring receiver used for tire pneumatic pressure monitoring system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004067841A JP4357324B2 (ja) | 2004-03-10 | 2004-03-10 | タイヤ空気圧モニターシステム及び該タイヤ空気圧モニタシステムに使用するタイヤ空気圧モニター用受信機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005254927A JP2005254927A (ja) | 2005-09-22 |
JP4357324B2 true JP4357324B2 (ja) | 2009-11-04 |
Family
ID=34747714
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004067841A Expired - Fee Related JP4357324B2 (ja) | 2004-03-10 | 2004-03-10 | タイヤ空気圧モニターシステム及び該タイヤ空気圧モニタシステムに使用するタイヤ空気圧モニター用受信機 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7256687B2 (ja) |
JP (1) | JP4357324B2 (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100748837B1 (ko) * | 2006-05-09 | 2007-08-13 | 주식회사 만도 | 차량용 전자 제어 시스템 및 그 제어 방법 |
US7498931B2 (en) * | 2006-08-28 | 2009-03-03 | Lear Corporation | Tire pressure monitoring system |
US8374744B2 (en) * | 2006-10-02 | 2013-02-12 | Lear Corporation | Tire pressure monitor signal processing |
JP5019839B2 (ja) * | 2006-10-04 | 2012-09-05 | 株式会社ブリヂストン | タイヤ情報管理システム |
JP4916006B2 (ja) * | 2007-02-28 | 2012-04-11 | 株式会社山武 | 圧力センサ |
KR100926972B1 (ko) | 2007-11-14 | 2009-11-17 | 주식회사 현대오토넷 | 차량의 타이어 공기압 측정 시스템 및 방법 |
US7506540B1 (en) * | 2008-02-22 | 2009-03-24 | Gm Global Technology Operations, Inc. | Autolocation of wireless tire pressure monitoring sensors |
JP5540426B2 (ja) | 2009-06-26 | 2014-07-02 | 横浜ゴム株式会社 | タイヤ状態監視システム |
JP6451588B2 (ja) * | 2015-10-20 | 2019-01-16 | 株式会社オートネットワーク技術研究所 | タイヤ空気圧監視システム、検出装置及び監視装置 |
KR101788187B1 (ko) | 2015-12-10 | 2017-10-19 | 현대자동차주식회사 | 개선된 타이어 공기압 경보장치 및 동작 방법 |
CN106347041B (zh) * | 2016-09-06 | 2018-04-20 | 深圳天城电子有限公司 | 蓝牙胎压监测系统 |
CN115867443A (zh) * | 2020-06-30 | 2023-03-28 | 森萨塔科技公司 | 胎压监测系统 |
CN113071270B (zh) * | 2021-03-22 | 2023-02-28 | 深圳市道通科技股份有限公司 | 检测系统、方法、装置、电子设备及计算机可读存储介质 |
CN115447323B (zh) * | 2022-09-14 | 2023-07-07 | 东风柳州汽车有限公司 | 一种胎压监测接收机测试方法及系统 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6861942B1 (en) * | 1999-07-21 | 2005-03-01 | Gentex Corporation | Directionally-adjustable antenna system using an outside mirror for automotive applications |
US6658928B1 (en) * | 1999-12-14 | 2003-12-09 | The Goodyear Tire & Rubber Company | Method of monitoring pressure in a pneumatic tire |
US6362731B1 (en) * | 2000-12-06 | 2002-03-26 | Eaton Corporation | Tire pressure monitor and location identification system and method |
JP3596490B2 (ja) * | 2001-07-16 | 2004-12-02 | 株式会社デンソー | タイヤ空気圧モニタ用受信機 |
JP3892271B2 (ja) | 2001-10-18 | 2007-03-14 | 株式会社東海理化電機製作所 | 車両用タイヤ空気圧監視装置、及び車両用タイヤ空気圧監視装置におけるモニタ装置 |
JP2003184376A (ja) | 2001-12-13 | 2003-07-03 | Nippon Seiki Co Ltd | 送受信装置 |
JP2005181064A (ja) * | 2003-12-18 | 2005-07-07 | Denso Corp | タイヤ空気圧検出装置 |
-
2004
- 2004-03-10 JP JP2004067841A patent/JP4357324B2/ja not_active Expired - Fee Related
-
2005
- 2005-03-09 US US11/076,174 patent/US7256687B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20050156724A1 (en) | 2005-07-21 |
JP2005254927A (ja) | 2005-09-22 |
US7256687B2 (en) | 2007-08-14 |
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