JPH1044726A - Tire air pressure alarming device - Google Patents

Tire air pressure alarming device

Info

Publication number
JPH1044726A
JPH1044726A JP8224482A JP22448296A JPH1044726A JP H1044726 A JPH1044726 A JP H1044726A JP 8224482 A JP8224482 A JP 8224482A JP 22448296 A JP22448296 A JP 22448296A JP H1044726 A JPH1044726 A JP H1044726A
Authority
JP
Japan
Prior art keywords
antenna
valve stem
case
grommet
processing circuit
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
Application number
JP8224482A
Other languages
Japanese (ja)
Other versions
JP3335846B2 (en
Inventor
Masashi Tsunetomi
誠志 常富
Kazunori Sawafuji
和憲 澤藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pacific Industrial Co Ltd
Original Assignee
Pacific Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Pacific Industrial Co Ltd filed Critical Pacific Industrial Co Ltd
Priority to JP22448296A priority Critical patent/JP3335846B2/en
Publication of JPH1044726A publication Critical patent/JPH1044726A/en
Application granted granted Critical
Publication of JP3335846B2 publication Critical patent/JP3335846B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • B60C23/0491—Constructional details of means for attaching the control device
    • B60C23/0494—Valve stem attachments positioned inside the tyre chamber
    • 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
    • B60C23/0447—Wheel or tyre mounted circuits
    • B60C23/0452—Antenna structure, control or arrangement

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Measuring Fluid Pressure (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

PROBLEM TO BE SOLVED: To extremely improve transmission performance by providing a coil- like antenna in a grommet made of insulated rubber. SOLUTION: In this tire air pressure alarming device, a transmission section 7 comprising a tire air pressure detecting section 3, signal processing circuit 4 to transmit signals to a receiver and battery 5 for activating a micro computer contained in a case 2 is arranged in a wheel rim 1, and a valve stem 10 is provided in the upper section of the case 2 in a body. In this case, a vulcanized rubber grommet 12 comprising a coil-like antenna 11 provided therein in a body is arranged in the base section of the valve stem 10, and one end of the antenna 11 is connected to the electric supply line 6 of the signal processing circuit 4, and the valve stem 10 is fixed to the valve hole of the wheel rim 1 by a washer 8 and a nut 9 through the grommet 12.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【０００１】[0001]

【発明の属する技術分野】本発明はタイヤ空気圧の異常
を検出して、車内の運転者に警報するためのタイヤ空気
圧警報装置に係り、特に送信部のアンテナ効率の向上が
図れるタイヤ空気圧警報装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tire pressure warning device for detecting abnormality in tire pressure and warning a driver in a vehicle, and more particularly to a tire pressure warning device capable of improving the antenna efficiency of a transmission section. Things.

【０００２】[0002]

【従来の技術】車両タイヤの空気圧が低下したことを検
出し、これを運転者に報知するようにしたタイヤ空気圧
警報装置がＷＯ９４／２０３１７号公報に開示されてい
る。この従来のタイヤ空気圧警報装置は、図２に示すよ
うに、ホイールリム１内部に配置される送信部７と、タ
イヤに空気を注入するためのバルブステム１０とで構成
されている。2. Description of the Related Art A tire pressure warning device is disclosed in WO 94/20317, which detects a decrease in air pressure of a vehicle tire and notifies the driver of the decrease. As shown in FIG. 2, the conventional tire pressure warning device includes a transmission unit 7 disposed inside the wheel rim 1 and a valve stem 10 for injecting air into a tire.

【０００３】前記送信部７は、ケース２の内部に、タイ
ヤ空気圧を検出する圧力検知部３と、この検出圧力を電
波で車体側の受信機に信号を送信させるための信号処理
回路４と、マイコンを作動させるための電池５とが内蔵
されている。また、前記信号処理回路４とベース１３と
の間を給電線６にて接続し、タイヤバルブのバルブステ
ム１０自体をアンテナとして用いるものであった。The transmitting unit 7 includes a pressure detecting unit 3 for detecting tire pressure in a case 2, a signal processing circuit 4 for transmitting the detected pressure to a receiver on the vehicle body by radio waves, A battery 5 for operating the microcomputer is built in. Further, the signal processing circuit 4 and the base 13 are connected by the power supply line 6, and the valve stem 10 of the tire valve itself is used as an antenna.

【０００４】また、前記バルブステム１０は、インサー
ト成形によりケース２と一体的に設けられているもので
あり、図２の断面図で示すごとく、ケース２の上面に位
置する部分にベース１３が一体的に設けられている。そ
して、ベース１３の上部にはリング状の溝１４が設けら
れ、該溝１４にＯリング１５を装着することによってバ
ルブステム１０を座金８とナット９で締め付けたときに
ホイールリム１との間の気密を保つようになっている。The valve stem 10 is provided integrally with the case 2 by insert molding. As shown in a sectional view of FIG. Is provided. A ring-shaped groove 14 is provided at an upper portion of the base 13, and an O-ring 15 is attached to the groove 14 so that when the valve stem 10 is tightened with the washer 8 and the nut 9, a gap between the wheel rim 1 and the wheel stem 1 is formed. They are kept airtight.

【０００５】また、前記信号処理回路４の給電線６の一
端部を前記バルブステム１０の下端部にはんだ付けする
ことにより、バルブステム１０自体にアンテナの機能を
もたせるようにしていた。Further, one end of the power supply line 6 of the signal processing circuit 4 is soldered to the lower end of the valve stem 10 so that the valve stem 10 itself has an antenna function.

【０００６】[0006]

【発明が解決しようとする課題】ところが、上述のごと
くタイヤバルブ１０をアンテナとするものでは、バルブ
ステム１０が金属製のホイールリム１と導通状態にて接
触しているため、送信電波は空中を伝播するだけでなく
筐体伝播、すなわち、バルブステム１０からホイールリ
ム１へと車体側に電波が伝わり、図示しないが、車室内
に設けられた受信機に電波が到達しにくいという問題点
があった。However, in the case where the tire valve 10 is used as an antenna as described above, since the valve stem 10 is in contact with the metal wheel rim 1 in a conductive state, the transmission radio wave passes through the air. In addition to the propagation, the radio wave is transmitted to the vehicle body from the valve stem 10 to the wheel rim 1 through the casing, and although not shown, there is a problem that the radio wave is difficult to reach a receiver provided in the passenger compartment. Was.

【０００７】[0007]

【課題を解決するための手段】本発明は、上記のような
筐体伝播によるアンテナの送信レベルが減衰するのを防
ぐためになされたもので、絶縁体であるゴム製のグロメ
ットの内部にコイル状のアンテナを設けることにより、
送信性能を著しく向上させたタイヤ空気圧警報装置の提
供を目的とするものである。すなわち、本発明のタイヤ
空気圧警報装置は、タイヤ空気圧を検出する圧力検知部
３と、この検出圧力を電波で車体側の受信機に信号を送
信させるための信号処理回路４と、マイコンを作動させ
るための電池５とがケース２に収納された送信部７をホ
イールリム１内に配置し、前記ケース２の上部にはタイ
ヤに空気を注入するためのバルブステム１０がインサー
ト成形等により一体的に設けられたタイヤ空気圧警報装
置において、前記ケース２と一体的に形成されたバルブ
ステム１０の基部には、加硫にて内部にコイル状のアン
テナ１１を一体的に設けてなるゴム製のグロメット１２
を配置させると共に、前記アンテナ１１の一端部を前記
信号処理回路４の給電線６に接続し、前記グロメット１
２を介してバルブステム１０をホイールリム１のバルブ
孔に座金８およびナット９にて固着するようにしたこと
を特徴とするものである。SUMMARY OF THE INVENTION The present invention has been made in order to prevent the transmission level of an antenna from being attenuated due to the above-described case propagation, and has a coil-like structure inside a rubber grommet which is an insulator. By providing an antenna of
It is an object of the present invention to provide a tire pressure warning device with significantly improved transmission performance. That is, the tire pressure alarm device of the present invention operates the pressure detection unit 3 for detecting the tire pressure, the signal processing circuit 4 for transmitting the detected pressure to the receiver on the vehicle body by radio waves, and the microcomputer. A transmission part 7 in which a battery 5 is accommodated in a case 2 is disposed in the wheel rim 1, and a valve stem 10 for injecting air into a tire is integrally formed on the upper part of the case 2 by insert molding or the like. In the provided tire pressure alarm device, a rubber grommet 12 integrally provided with a coiled antenna 11 inside by vulcanization is provided at a base of a valve stem 10 formed integrally with the case 2.
And one end of the antenna 11 is connected to the feed line 6 of the signal processing circuit 4, and the grommet 1
2, a valve stem 10 is fixed to a valve hole of the wheel rim 1 by a washer 8 and a nut 9.

【０００７】[0007]

【発明の実施の形態】以下、本発明の一実施形態を図面
に基づいて説明する。図１は、本発明のタイヤ空気圧警
報装置の縦断面図である。本発明のタイヤ空気圧警報装
置は、従来品と全く同様に、ホイールリム１内部に配置
される送信部７と、タイヤに空気を注入するためのバル
ブステム１０とで構成され、前記送信部７は、ケース２
の内部に、タイヤ空気圧を検出する圧力検知部３と、こ
の検出圧力を電波で車体側の受信機に信号を送信させる
ための信号処理回路４と、マイコンを作動させるための
電池５とが内蔵されている。DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a longitudinal sectional view of a tire pressure alarm device of the present invention. The tire pressure warning device of the present invention comprises a transmission unit 7 disposed inside the wheel rim 1 and a valve stem 10 for injecting air into a tire, just like a conventional product, and the transmission unit 7 , Case 2
A pressure detecting unit 3 for detecting tire pressure, a signal processing circuit 4 for transmitting a signal to the receiver on the vehicle body by radio waves based on the detected pressure, and a battery 5 for operating the microcomputer Have been.

【０００８】本発明におけるタイヤ空気圧警報装置は、
従来品と比べて次の点が相違している。本発明のバルブ
ステム１０は、インサート成形により樹脂製のケース２
と一体的に設けられているものであり、図１の断面図で
示すごとく、ケース２の上面に位置する部分にストレー
ト状のグロメット挿入部１６が形成されている。The tire pressure warning device according to the present invention comprises:
The following points are different from the conventional product. The valve stem 10 of the present invention is made of a resin case 2 by insert molding.
As shown in the sectional view of FIG. 1, a straight grommet insertion portion 16 is formed in a portion located on the upper surface of the case 2.

【０００９】ゴム製のグロメット１２は、前記バルブス
テム１０をホイールリム１に装着したときに気密を保持
させると共に送信機のアンテナの機能を果すためのもの
であり、該グロメット１２は、内部にコイル状のアンテ
ナ１１がゴム加硫にて一体的に設けられている。また、
アンテナ１１の下端部は前記ケース２を通して前記信号
処理回路４の給電線６に接続されている。The rubber grommet 12 serves to maintain airtightness when the valve stem 10 is mounted on the wheel rim 1 and to perform the function of an antenna of the transmitter. The grommet 12 has a coil inside. An antenna 11 is provided integrally by rubber vulcanization. Also,
The lower end of the antenna 11 is connected to the feed line 6 of the signal processing circuit 4 through the case 2.

【００１０】[0010]

【発明の効果】以上のように、本発明のタイヤ空気圧警
報装置は、絶縁体であるゴム製のグロメットの内部にコ
イル状のアンテナを専用に設けることにより、従来問題
となっていたバルブステムアンテナの効率の悪さ、つま
り、信号処理回路４から給電線６を介して出力する送信
電力を１００％放射電波にできず損失の大きかった問題
を防ぐことができ、送信電力を必要以上に上げる必要が
なくなり、電池の省電力化に寄与できる。また、シール
の構成部品であるグロメットに専用アンテナを内蔵して
いるため、それによる構造の複雑化はなく、専用アンテ
ナとして最も適したチューニングが可能となる。As described above, according to the tire pressure alarm device of the present invention, by providing a coil-shaped antenna exclusively inside a rubber grommet which is an insulator, a valve stem antenna which has been a problem in the prior art is provided. That is, the transmission power output from the signal processing circuit 4 via the power supply line 6 cannot be converted into 100% radiated radio waves, and the problem of large loss can be prevented. Therefore, it is necessary to increase the transmission power more than necessary. And can contribute to power saving of the battery. Further, since the grommet, which is a component of the seal, includes the dedicated antenna, the structure is not complicated by this, and tuning most suitable as the dedicated antenna can be performed.

【図面の簡単な説明】[Brief description of the drawings]

【図１】 本発明のタイヤ空気圧警報装置の縦断面図。FIG. 1 is a longitudinal sectional view of a tire pressure alarm device of the present invention.

【図２】 従来のタイヤ空気圧警報装置の縦断面図。FIG. 2 is a longitudinal sectional view of a conventional tire pressure warning device.

【符号の説明】[Explanation of symbols]

１ ホイールリム ２ ケース ３ 圧力
検知部 ４ 信号処理回路 ５ 電池 ６ 給電
線 ７ 送信部 ８ 座金 ９ ナッ
ト １０ バルブステム １１ アンテナ １２ グ
ロメット １３ ベース １４ 溝 １５ Ｏ
リング １６ グロメット挿入部DESCRIPTION OF SYMBOLS 1 Wheel rim 2 Case 3 Pressure detection part 4 Signal processing circuit 5 Battery 6 Power supply line 7 Transmission part 8 Washer 9 Nut 10 Valve stem 11 Antenna 12 Grommet 13 Base 14 Groove 15 O
Ring 16 Grommet insertion part

Claims (1)

【特許請求の範囲】[Claims] 【請求項１】 タイヤ空気圧を検出する圧力検知部３
と、この検出圧力を電波で車体側の受信機に信号を送信
させるための信号処理回路４と、マイコンを作動させる
ための電池５とがケース２に収納された送信部７をホイ
ールリム１内に配置し、前記ケース２の上部にはタイヤ
に空気を注入するためのバルブステム１０がインサート
成形等により一体的に設けられたタイヤ空気圧警報装置
において、 前記ケース２と一体的に形成されたバルブステム１０の
基部には、加硫にて内部にコイル状のアンテナ１１を一
体的に設けてなるゴム製のグロメット１２を配置させる
と共に、前記アンテナ１１の一端部を前記信号処理回路
４の給電線６に接続し、前記グロメット１２を介してバ
ルブステム１０をホイールリム１のバルブ孔に座金８お
よびナット９にて固着するようにしたことを特徴とする
タイヤ空気圧警報装置。1. A pressure detector 3 for detecting a tire pressure.
And a signal processing circuit 4 for transmitting a signal from the detected pressure to a receiver on the vehicle body by radio waves, and a battery 7 for operating a microcomputer. And a valve stem 10 for injecting air into the tire is provided integrally on the upper part of the case 2 by insert molding or the like. A valve formed integrally with the case 2 At the base of the stem 10, a rubber grommet 12 having a coiled antenna 11 integrally provided therein by vulcanization is disposed, and one end of the antenna 11 is connected to a feeder of the signal processing circuit 4. 6, a valve stem 10 is fixed to a valve hole of the wheel rim 1 with a washer 8 and a nut 9 via the grommet 12. Air pressure alarm.
JP22448296A 1996-08-06 1996-08-06 Tire pressure warning device Expired - Fee Related JP3335846B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP22448296A JP3335846B2 (en) 1996-08-06 1996-08-06 Tire pressure warning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22448296A JP3335846B2 (en) 1996-08-06 1996-08-06 Tire pressure warning device

Publications (2)

Publication Number Publication Date
JPH1044726A true JPH1044726A (en) 1998-02-17
JP3335846B2 JP3335846B2 (en) 2002-10-21

Family

ID=16814495

Family Applications (1)

Application Number Title Priority Date Filing Date
JP22448296A Expired - Fee Related JP3335846B2 (en) 1996-08-06 1996-08-06 Tire pressure warning device

Country Status (1)

Country Link
JP (1) JP3335846B2 (en)

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000033808A (en) * 1998-05-20 2000-02-02 Schrader Bridgeport Internatl Inc Tire valve and related tire pneumatic pressure transmission unit
FR2819750A1 (en) 2001-01-24 2002-07-26 Honda Motor Co Ltd AIR PRESSURE DETECTION DEVICE OF A WHEEL
FR2819749A1 (en) 2001-01-24 2002-07-26 Honda Motor Co Ltd AIR PRESSURE SENSOR ARRANGEMENT STRUCTURE OF A WHEEL
FR2820087A1 (en) 2001-01-30 2002-08-02 Honda Motor Co Ltd AIR PRESSURE DETECTION DEVICE OF A TIRE
JP2003002018A (en) * 2001-06-22 2003-01-08 Honda Motor Co Ltd Air pressure detecting device of tire, and its arranging structure
WO2004000579A1 (en) * 2002-06-21 2003-12-31 Bridgestone Corporation Tired wheel with tire-information sending body, installation instrument and fixing instrument for tire-information sending body, and method of installing tire-information sending body
US6696936B2 (en) 2000-11-20 2004-02-24 Honda Giken Kogyo Kabushiki Kaisha Air pressure detecting device for wheel
US6725711B2 (en) 2000-06-06 2004-04-27 Honda Giken Kogyo Kabushiki Kaisha On vehicle tire air pressure detecting device and cast wheel mounting the device
US6753768B2 (en) 2000-11-20 2004-06-22 Honda Giken Kogyo Kabushiki Kaisha Air pressure detecting device for wheel
US6825759B2 (en) 2001-01-30 2004-11-30 Honda Giken Kogyo Kabushiki Kaisha Air pressure detection device for a wheel
US6972673B2 (en) 2000-11-20 2005-12-06 Honda Giken Kogyo Kabushiki Kaisha Air pressure detecting device for wheel
WO2006098265A1 (en) * 2005-03-14 2006-09-21 Bridgestone Corporation Electronic device and tire
JP2007525898A (en) * 2004-02-27 2007-09-06 ソシエテ ド テクノロジー ミシュラン Transmitting and / or receiving device adapted to be mounted on a vehicle wheel and housing of such device
KR100800516B1 (en) 2007-06-22 2008-02-04 씨트론 주식회사 Tire sensor valve
US7453415B2 (en) 2006-06-30 2008-11-18 Alps Electric Co., Ltd. Antenna apparatus for transponder
JP2010280389A (en) * 2010-09-29 2010-12-16 Honda Motor Co Ltd Wheel pneumatic pressure sensor
JP2013500687A (en) * 2009-07-27 2013-01-07 エルデック コーポレイション Magnetic field concentrating antenna for passive RFID tire pressure sensor transponder
CN108698456A (en) * 2016-02-23 2018-10-23 法国大陆汽车公司 The electronic module shell and electronic unit of operating parameter for measuring wheel
CN112918197A (en) * 2017-08-21 2021-06-08 什拉姆有限责任公司 Pressure sensing assembly for bicycle wheel
WO2021240765A1 (en) 2020-05-29 2021-12-02 太平洋工業株式会社 Connector and method of manufacturing connector

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7421902B2 (en) * 2006-10-13 2008-09-09 Smartire Systems, Inc. Fluid pressure sensing method and apparatus

Cited By (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000033808A (en) * 1998-05-20 2000-02-02 Schrader Bridgeport Internatl Inc Tire valve and related tire pneumatic pressure transmission unit
US6725711B2 (en) 2000-06-06 2004-04-27 Honda Giken Kogyo Kabushiki Kaisha On vehicle tire air pressure detecting device and cast wheel mounting the device
DE10156724B4 (en) * 2000-11-20 2012-10-04 Honda Giken Kogyo K.K. Air pressure sensing device for a wheel
US6696936B2 (en) 2000-11-20 2004-02-24 Honda Giken Kogyo Kabushiki Kaisha Air pressure detecting device for wheel
DE10156723B4 (en) * 2000-11-20 2008-07-31 Honda Giken Kogyo K.K. Air pressure sensing device for a wheel
US6972673B2 (en) 2000-11-20 2005-12-06 Honda Giken Kogyo Kabushiki Kaisha Air pressure detecting device for wheel
US6753768B2 (en) 2000-11-20 2004-06-22 Honda Giken Kogyo Kabushiki Kaisha Air pressure detecting device for wheel
FR2819750A1 (en) 2001-01-24 2002-07-26 Honda Motor Co Ltd AIR PRESSURE DETECTION DEVICE OF A WHEEL
DE10202740B4 (en) * 2001-01-24 2008-07-03 Honda Giken Kogyo K.K. Air pressure sensing device for a wheel
FR2819749A1 (en) 2001-01-24 2002-07-26 Honda Motor Co Ltd AIR PRESSURE SENSOR ARRANGEMENT STRUCTURE OF A WHEEL
US6765482B2 (en) 2001-01-24 2004-07-20 Honda Giken Kogyo Kabushiki Kaisha Air pressure sensor fitting structure for vehicle wheel
US6838984B2 (en) 2001-01-24 2005-01-04 Honda Giken Kogyo Kabushiki Kaisha Air pressure detection device for wheel
US6825759B2 (en) 2001-01-30 2004-11-30 Honda Giken Kogyo Kabushiki Kaisha Air pressure detection device for a wheel
US6664890B2 (en) 2001-01-30 2003-12-16 Honda Giken Kogyo Kabushiki Kaisha Air pressure detection device for tire
FR2820087A1 (en) 2001-01-30 2002-08-02 Honda Motor Co Ltd AIR PRESSURE DETECTION DEVICE OF A TIRE
DE10202728B4 (en) * 2001-01-30 2016-09-15 Honda Giken Kogyo K.K. Air pressure sensing device for a wheel
JP2003002018A (en) * 2001-06-22 2003-01-08 Honda Motor Co Ltd Air pressure detecting device of tire, and its arranging structure
JP4620292B2 (en) * 2001-06-22 2011-01-26 本田技研工業株式会社 Tire pressure detector
WO2004000579A1 (en) * 2002-06-21 2003-12-31 Bridgestone Corporation Tired wheel with tire-information sending body, installation instrument and fixing instrument for tire-information sending body, and method of installing tire-information sending body
JP2007525898A (en) * 2004-02-27 2007-09-06 ソシエテ ド テクノロジー ミシュラン Transmitting and / or receiving device adapted to be mounted on a vehicle wheel and housing of such device
JP4762971B2 (en) * 2004-02-27 2011-08-31 ソシエテ ド テクノロジー ミシュラン Transmitting and / or receiving device adapted to be mounted on a vehicle wheel and housing of such device
WO2006098265A1 (en) * 2005-03-14 2006-09-21 Bridgestone Corporation Electronic device and tire
US7642905B2 (en) 2005-03-14 2010-01-05 Bridgestone Corporation Electronic device and tyre
US7453415B2 (en) 2006-06-30 2008-11-18 Alps Electric Co., Ltd. Antenna apparatus for transponder
KR100800516B1 (en) 2007-06-22 2008-02-04 씨트론 주식회사 Tire sensor valve
JP2013500687A (en) * 2009-07-27 2013-01-07 エルデック コーポレイション Magnetic field concentrating antenna for passive RFID tire pressure sensor transponder
JP2010280389A (en) * 2010-09-29 2010-12-16 Honda Motor Co Ltd Wheel pneumatic pressure sensor
CN108698456A (en) * 2016-02-23 2018-10-23 法国大陆汽车公司 The electronic module shell and electronic unit of operating parameter for measuring wheel
CN112918197A (en) * 2017-08-21 2021-06-08 什拉姆有限责任公司 Pressure sensing assembly for bicycle wheel
US11745549B2 (en) 2017-08-21 2023-09-05 Sram. Llc Pressure sensing assembly for a bicycle wheel
CN112918197B (en) * 2017-08-21 2023-12-19 什拉姆有限责任公司 Pressure sensing assembly for a bicycle wheel
WO2021240765A1 (en) 2020-05-29 2021-12-02 太平洋工業株式会社 Connector and method of manufacturing connector
US11735859B2 (en) 2020-05-29 2023-08-22 Pacific Industrial Co., Ltd. Connector and connector manufacturing method

Also Published As

Publication number Publication date
JP3335846B2 (en) 2002-10-21

Similar Documents

Publication Publication Date Title
JPH1044726A (en) Tire air pressure alarming device
US6340929B1 (en) Transmitter and external controller of tire inflation pressure monitor
US5289160A (en) Tire pressure monitoring system
US3950726A (en) Low tire pressure alarm system for pneumatic tires
JP2007179144A (en) Tire information communication system
CN107953730B (en) External tire pressure sensing device and vehicle
JP3354857B2 (en) Tire pressure warning device
US20080121031A1 (en) Pressure sensing apparatus for tire
US20080278306A1 (en) Tire Condition Detecting Device
JP3304862B2 (en) Tire pressure warning device
US6774777B2 (en) Tire condition monitoring apparatus
US7242284B2 (en) Tire condition detecting device, tire condition monitoring system, and method of attaching tire condition detecting device to tire wheel
JP3354887B2 (en) Tire pressure warning device transmitter
US20170240007A1 (en) Transmitter for Wireless Tire Pressure Monitoring System
JP3354852B2 (en) Tire pressure warning device
US7185535B2 (en) Tire sensor interrogation and valve therefore
JP3392364B2 (en) Tire pressure warning device
JP2000052726A (en) Casing structure of transmitter for tire air pressure alarming device
US6762677B2 (en) Alert device for pneumatic object
JP2007083905A (en) In-tire information detecting device
JP2003165315A (en) Tire internal pressure alarm device
JP2004066848A (en) Transmitter for tire state monitoring device
JP3359565B2 (en) Tire pressure warning device
JP2000158923A (en) Tire air pressure alarm device
IE40465B1 (en) A tyre valve assembly

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees