JPH08310207A - Tire pressure monitoring system - Google Patents
Tire pressure monitoring systemInfo
- Publication number
- JPH08310207A JPH08310207A JP7122368A JP12236895A JPH08310207A JP H08310207 A JPH08310207 A JP H08310207A JP 7122368 A JP7122368 A JP 7122368A JP 12236895 A JP12236895 A JP 12236895A JP H08310207 A JPH08310207 A JP H08310207A
- Authority
- JP
- Japan
- Prior art keywords
- transmitter
- wheel
- tire
- electromagnetic induction
- magnet
- 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.)
- Pending
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 9
- 230000005674 electromagnetic induction Effects 0.000 claims abstract description 24
- 238000001514 detection method Methods 0.000 claims abstract description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000009499 grossing Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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
- 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
- B60C23/041—Means for supplying power to the signal- transmitting means on the wheel
- B60C23/0413—Wireless charging of active radio frequency circuits
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、タイヤの空気圧を監視
するタイヤ圧力モニタシステムに関し、車輪側の送信器
に電源が不要なタイヤ圧力モニタシステムに関するもの
である。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tire pressure monitor system for monitoring tire pressure, and more particularly to a tire pressure monitor system in which a transmitter on the wheel side does not require a power source.
【０００２】[0002]
【従来の技術】自動車のタイヤの空気圧（以下、タイヤ
圧力という）が規定値以上かどうかをモニタすること
は、安全上大切である。この種のタイヤ圧力モニタシス
テムの概念を図３に示す。図において、１は自動車の車
体、２，３は車輪、４は送信器で、車輪３のタイヤ３ａ
のタイヤ圧力を検出する圧力センサを備え、車輪３のホ
イール３ｂに取り付けられている。この送信器４の電源
として電池が用いられており、この電池もホイール３ｂ
に取り付けられている。車輪２及び図では見えていない
他の２個の車輪にもそれぞれ電池を備えた送信器４と同
様の送信器が設けられている。５は受信器で、運転席側
に設けられている。2. Description of the Related Art It is important for safety to monitor whether or not the air pressure (hereinafter referred to as tire pressure) of an automobile tire is equal to or higher than a specified value. The concept of this type of tire pressure monitoring system is shown in FIG. In the figure, 1 is a vehicle body, 2 and 3 are wheels, 4 is a transmitter, and tires 3a of the wheels 3 are shown.
It is equipped with a pressure sensor for detecting the tire pressure, and is attached to the wheel 3b of the wheel 3. A battery is used as a power source for the transmitter 4, and the battery is also used for the wheel 3b.
Attached to. The wheel 2 and the other two wheels not visible in the figure are also provided with a transmitter similar to the transmitter 4 with batteries respectively. A receiver 5 is provided on the driver side.
【０００３】各タイヤ圧力は、それぞれの車輪に取り付
けられた送信器４の圧力センサによって検出される。そ
の検出値は、無線で受信器５に送信され、その値が表示
される。６はホイール３ｂに巻き付けられた送信用アン
テナ、７は受信器５に設けられた受信用アンテナを示
す。Each tire pressure is detected by the pressure sensor of the transmitter 4 mounted on each wheel. The detected value is wirelessly transmitted to the receiver 5, and the value is displayed. Reference numeral 6 represents a transmitting antenna wound around the wheel 3b, and 7 represents a receiving antenna provided in the receiver 5.
【０００４】[0004]
【発明が解決しようとする課題】このような構成のモニ
タシステムにおいては、以下のような問題点があった。
受信器の電源として各車輪のホイールに電池が取り付け
られている。この電池を長時間を保たせるためには大き
な容量のものを必要とする。そのような大きな電池を走
行する自動車の車輪に取り付けると、ホイールのバラン
スをとるため、カウンタウエイトが必要になる。また、
長時間保たせる電池を用いても限界があり、電池が切れ
たときの交換作業が必要になってしまう。その上、電池
の交換時期にも気をつけなければならない。The monitor system having such a configuration has the following problems.
A battery is attached to each wheel as a power source for the receiver. In order to keep this battery for a long time, it needs a large capacity. When such a large battery is attached to the wheels of a running vehicle, counterweight is required to balance the wheels. Also,
There is a limit even if a battery that can be kept for a long time is used, and replacement work is required when the battery runs out. In addition, you have to be careful when you replace the batteries.
【０００５】本発明の目的は、車輪側の送信器に電源が
不要なタイヤ圧力モニタシステムを実現することにあ
る。An object of the present invention is to realize a tire pressure monitoring system in which a transmitter on the wheel side does not require a power source.
【０００６】[0006]
【課題を解決するための手段】本発明は、自動車の車輪
に送信器を設け、送信器の圧力センサの検出結果を電波
により送信して、タイヤの空気圧を監視するタイヤ圧力
モニタシステムにおいて、前記車輪の周りに前記自動車
の車体側に設けられる磁石と、前記車輪側に設けられ、
前記磁石により起電力を発生する電磁誘導部と、を有
し、前記電磁誘導部が発生する起電力により、送信器を
動作させることを特徴とするものである。SUMMARY OF THE INVENTION The present invention provides a tire pressure monitoring system, wherein a transmitter is provided on a wheel of an automobile, and a detection result of a pressure sensor of the transmitter is transmitted by radio waves to monitor tire air pressure. A magnet provided on the vehicle body side of the automobile around the wheel, and provided on the wheel side,
An electromagnetic induction unit that generates an electromotive force by the magnet, and the transmitter is operated by the electromotive force generated by the electromagnetic induction unit.
【０００７】[0007]
【作用】このような本発明では、車輪側に設けられた電
磁誘導部は、車体側の磁石からの磁力線により、起電力
を発生し、送信器に電力を与える。そして、送信器の圧
力センサは、タイヤの空気圧を検出する。送信器は、検
出値を電波で送信する。According to the present invention as described above, the electromagnetic induction portion provided on the wheel side generates an electromotive force by the magnetic lines of force from the magnets on the vehicle body side and supplies the transmitter with electric power. Then, the pressure sensor of the transmitter detects the tire air pressure. The transmitter transmits the detected value by radio waves.
【０００８】[0008]
【実施例】以下図面を用いて本発明を説明する。図１は
本発明の一実施例を示した概略構成図で、（ａ）はタイ
ヤ付近の構成を示す図、（ｂ）は運転席付近の構成を示
す図である。図（ａ）において、１０は自動車の車体、
２０は車輪である。車体１０において、１１は磁石で、
車輪２０の周りに設けられる。The present invention will be described below with reference to the drawings. 1A and 1B are schematic configuration diagrams showing an embodiment of the present invention. FIG. 1A is a diagram showing a configuration near a tire, and FIG. 1B is a diagram showing a configuration near a driver's seat. In the figure (a), 10 is a car body,
20 is a wheel. In the vehicle body 10, 11 is a magnet,
It is provided around the wheel 20.
【０００９】車輪２０において、タイヤ２１とホイール
２２とにより構成されている。２３は電磁誘導部で、コ
イル状にタイヤ２１の内部に取り付けられ、磁石１１に
より起電力を発生する。そして、磁石１１のＮ極，Ｓ極
と電磁誘導部２３との関係は、電磁誘導部２３の輪状部
分にＮ極がきたときに、輪状部分間にＳ極がくるように
構成されている。３０は送信器で、ホイール２２に取り
付けられ、電磁誘導部２３の起電力により動作する。そ
して、タイヤ圧力を検出し、検出値をアンテナ３１から
電波により送信する。アンテナ３１は、ホイール２２に
巻き付けられている。図（ｂ）において、４０は受信表
示器で、車体１０の運転席に設けられ、送信器３０から
の電波をアンテナ４１により受信し、受信結果（検出
値）を表示する。The wheel 20 is composed of a tire 21 and a wheel 22. Reference numeral 23 is an electromagnetic induction portion, which is attached inside the tire 21 in a coil shape and generates an electromotive force by the magnet 11. The relationship between the N poles and S poles of the magnet 11 and the electromagnetic induction portion 23 is such that when the N pole comes to the annular portion of the electromagnetic induction portion 23, the S pole comes between the annular portions. A transmitter 30 is attached to the wheel 22 and operates by the electromotive force of the electromagnetic induction unit 23. Then, the tire pressure is detected, and the detected value is transmitted from the antenna 31 by radio waves. The antenna 31 is wound around the wheel 22. In FIG. 2B, a reception indicator 40 is provided in the driver's seat of the vehicle body 10, receives radio waves from the transmitter 30 by the antenna 41, and displays the reception result (detection value).
【００１０】そして、図２に図１の装置の具体的構成を
示す。送信器３０において、３２は圧力センサで、タイ
ヤ圧力を検出する。３３は変換部で、圧力センサ３２の
検出結果を入力し、デジタル信号に変換する。３４はＩ
Ｄ発生部で、認識符号を発生する。認識符号とは、自動
車の４つの車輪２０のどの車輪であるかを識別する符号
である。３５は変調回路で、変換部３３からのデジタル
信号とＩＤ発生部３４からの認識符号とを入力し、発振
器３６が出力する例えば１００ＭＨｚの信号によりＦＳ
Ｋ（周波数シフトキーイング）変調を行う。３７は出力
部で、変調回路３５から変調された信号を入力し、入力
された信号を増幅して、アンテナ３１より電磁波として
放射する。３８は整流平滑回路で、電磁誘導部２３によ
り発生する電流を入力し、整流平滑を行う。そして、各
部、つまり、圧力センサ３２，変換器３３，ＩＤ発生部
３４，変調回路３５，発振器３６，出力部３７に電力を
与える。受信器４０において、４２は増幅部で、送信器
３０からの信号をアンテナ４１により受信し、信号を増
幅する。４３は復調回路で、増幅部４２からの信号を復
調する。４４は表示部で、復調回路４３から復調された
検出値と認識符号とを入力し、認識符号に対応する車輪
の表示と共に検出値を表示する。FIG. 2 shows a specific configuration of the device shown in FIG. In the transmitter 30, 32 is a pressure sensor that detects tire pressure. A conversion unit 33 inputs the detection result of the pressure sensor 32 and converts it into a digital signal. 34 is I
The D generator generates a recognition code. The identification code is a code that identifies which of the four wheels 20 of the automobile. Reference numeral 35 denotes a modulation circuit, which inputs the digital signal from the conversion unit 33 and the identification code from the ID generation unit 34, and uses the signal of 100 MHz output from the oscillator 36 to perform FS.
K (frequency shift keying) modulation is performed. An output unit 37 inputs the signal modulated by the modulation circuit 35, amplifies the input signal, and radiates it as an electromagnetic wave from the antenna 31. A rectifying / smoothing circuit 38 inputs the current generated by the electromagnetic induction unit 23 and performs rectifying / smoothing. Then, electric power is supplied to each unit, that is, the pressure sensor 32, the converter 33, the ID generating unit 34, the modulation circuit 35, the oscillator 36, and the output unit 37. In the receiver 40, an amplifier 42 receives a signal from the transmitter 30 through an antenna 41 and amplifies the signal. A demodulation circuit 43 demodulates the signal from the amplification unit 42. A display unit 44 receives the detected value and the recognition code demodulated from the demodulation circuit 43, and displays the detected value together with the display of the wheel corresponding to the recognition code.
【００１１】このような装置の動作を以下で説明する。
自動車が走行を開始すると、タイヤ２１が矢印の方向に
回転する。そして、タイヤ２１に取り付けられている電
磁誘導部２３が車体１０に取り付けられている磁石１１
の磁力線を横切る。これにより、電磁誘導が起こり電磁
誘導部２３に起電力が発生する。電磁誘導部２３が発生
した電流は、整流平滑回路３８に流れ、整流平滑され
る。そして、圧力センサ３２，変換部３３，ＩＤ発生部
３４，変調回路３５，発振器３６，出力部３７に電力を
与える。The operation of such a device is described below.
When the vehicle starts running, the tire 21 rotates in the direction of the arrow. The electromagnetic induction portion 23 attached to the tire 21 is attached to the magnet 11 attached to the vehicle body 10.
Cross the magnetic field lines of. As a result, electromagnetic induction occurs and electromotive force is generated in the electromagnetic induction unit 23. The current generated by the electromagnetic induction unit 23 flows into the rectifying / smoothing circuit 38 and is rectified and smoothed. Then, power is applied to the pressure sensor 32, the conversion unit 33, the ID generation unit 34, the modulation circuit 35, the oscillator 36, and the output unit 37.
【００１２】圧力センサ３２は、タイヤ２１内のタイヤ
圧力を検出し、検出結果を変換器３３に出力する。変換
部３３は、アナログ信号である測定結果をデジタル信号
に変換する。そして、変調回路３５が変換部３３からの
デジタル信号とＩＤ発生部３４からの認識符号とを発振
器３６の信号により変調する。この変調された信号を出
力部により増幅し、アンテナ３１より電磁波として放射
する。The pressure sensor 32 detects the tire pressure in the tire 21 and outputs the detection result to the converter 33. The conversion unit 33 converts the measurement result that is an analog signal into a digital signal. Then, the modulation circuit 35 modulates the digital signal from the conversion unit 33 and the recognition code from the ID generation unit 34 with the signal of the oscillator 36. The modulated signal is amplified by the output section and radiated as an electromagnetic wave from the antenna 31.
【００１３】送信器３０が放射した電磁波をアンテナ４
１で受信し、増幅部４２で増幅する。そして、復調回路
４３で入力された信号を復調し、認識符号と検出値を取
り出す。表示部は、認識符号により車輪を特定し、検出
値と共にどの車輪の検出値かを表示する。The electromagnetic wave radiated by the transmitter 30 is transmitted to the antenna 4
The signal is received at 1, and is amplified by the amplification unit 42. Then, the input signal is demodulated by the demodulation circuit 43, and the recognition code and the detection value are extracted. The display unit identifies the wheel by the recognition code and displays the detected value and which wheel the detected value is.
【００１４】このように、タイヤ２１内に電磁誘導部２
３を設け、自動車が走行することにより、磁石１１から
の磁力線を電磁誘導部２３が横切り、起電力を発生し、
この起電力を送信器３０に与えるので、電源を車輪２０
に設ける必要がない。そのため、電池の交換が必要でな
く、長時間使用が可能になる。そして、軽量に構成する
ことができるので、タイヤのバランスがとりやすい。ま
た、電池を使用していないので、電池の廃棄による地球
環境破壊の心配がなくなる。さらに、電池が高温にさら
されることによって、電池の寿命が短くなり、タイヤ圧
力の検出ができなくなるという恐れがない。As described above, the electromagnetic induction portion 2 is provided in the tire 21.
3, the electromagnetic induction unit 23 crosses the magnetic lines of force from the magnet 11 when the automobile runs, generating an electromotive force,
Since this electromotive force is applied to the transmitter 30, the power is supplied to the wheels 20.
There is no need to install it in. Therefore, the battery does not need to be replaced, and the battery can be used for a long time. Further, since it can be configured to be lightweight, it is easy to balance the tire. In addition, since no battery is used, there is no fear of destroying the global environment by discarding the battery. Further, there is no fear that the battery life is shortened and the tire pressure cannot be detected due to the high temperature of the battery.
【００１５】なお、本発明はこれに限定されるものでは
なく、以下のものでもよい。図では、車体１０に取り付
ける磁石１１は永久磁石を示したが、カーバッテリーか
らの電力を利用した電磁石も磁石に含まれる。この場
合、電磁石のコイルの巻数や電流値を調整して磁界強度
を最適化できる。また、電磁誘導部２３により十分な起
電力が発生できない場合は、コンデンサ等に電力を一旦
貯めて、間欠的に送信器３０を動作させる構成でもよ
い。この場合、停車時にも動作が可能になる。The present invention is not limited to this, and may be the following. In the figure, the magnet 11 attached to the vehicle body 10 is a permanent magnet, but an electromagnet using electric power from the car battery is also included in the magnet. In this case, the magnetic field strength can be optimized by adjusting the number of turns of the coil of the electromagnet and the current value. If a sufficient electromotive force cannot be generated by the electromagnetic induction unit 23, electric power may be temporarily stored in a capacitor or the like and the transmitter 30 may be operated intermittently. In this case, the operation is possible even when the vehicle is stopped.
【００１６】そして、圧力センサの検出値を送信する例
を示したが、温度センサをタイヤ２１内に設け、タイヤ
圧力と共に温度も送信する構成にしてもよい。さらに、
電磁誘導部２３をタイヤ２１の上面側（パターン側），
側面側に取り付けてもよく、ホイール２２の側面に取り
付ける構成でもよい。その上、電力を必要とする圧力セ
ンサに電力を供給する例を示したが、電力を必要としな
い圧力センサを用いる構成でもよく、送信器の構成にも
限定されない。要するに、送信器に与える電力を電磁誘
導により供給する構成が本発明の構成である。Although an example in which the detected value of the pressure sensor is transmitted has been shown, a temperature sensor may be provided in the tire 21 so that the temperature is transmitted together with the tire pressure. further,
The electromagnetic induction portion 23 is provided on the upper surface side (pattern side) of the tire 21,
It may be attached to the side surface side, or may be attached to the side surface of the wheel 22. Moreover, although an example in which power is supplied to a pressure sensor that requires power has been shown, a configuration using a pressure sensor that does not require power may be used, and the configuration of the transmitter is not limited. In short, the configuration of the present invention is a configuration for supplying electric power to the transmitter by electromagnetic induction.
【００１７】[0017]
【発明の効果】本発明によれば、以下のような効果があ
る。車輪側に電磁誘導部を設け、自動車が走行すること
により、磁石からの磁力線を電磁誘導部が横切り、起電
力を発生し、この起電力を送信器に与えるので、電源を
車輪に設ける必要がない。そのため、電池の交換が必要
でなく、長時間使用が可能になる。そして、軽量に構成
することができるので、タイヤのバランスがとりやす
い。また、電池を使用していないので、電池の廃棄によ
る地球環境破壊の心配がない。さらに、電池が高温にさ
らされることによって、電池の寿命が短くなり、タイヤ
圧力の検出ができなくなるという恐れがない。The present invention has the following effects. Since the electromagnetic induction unit is provided on the wheel side and the automobile runs, the electromagnetic induction unit crosses the magnetic field lines from the magnet, generates an electromotive force, and supplies this electromotive force to the transmitter.Therefore, it is necessary to provide a power source on the wheel. Absent. Therefore, the battery does not need to be replaced, and the battery can be used for a long time. Further, since it can be configured to be lightweight, it is easy to balance the tire. Moreover, since no battery is used, there is no fear of destroying the global environment by discarding the battery. Further, there is no fear that the battery life is shortened and the tire pressure cannot be detected due to the high temperature of the battery.
【図１】本発明の一実施例を示した概略構成図である。FIG. 1 is a schematic configuration diagram showing an embodiment of the present invention.
【図２】図１の装置の具体的構成を示した図である。FIG. 2 is a diagram showing a specific configuration of the apparatus of FIG.
【図３】タイヤ圧力モニタシステムの概念図である。FIG. 3 is a conceptual diagram of a tire pressure monitoring system.
１０ 車体 １１ 磁石 ２０ 車輪 ２３ 電磁誘導部 ３０ 送信器 ３２ 圧力センサ 10 vehicle body 11 magnet 20 wheel 23 electromagnetic induction unit 30 transmitter 32 pressure sensor
Claims (1)
圧力センサの検出結果を電波により送信して、タイヤの
空気圧を監視するタイヤ圧力モニタシステムにおいて、 前記車輪の周りに前記自動車の車体側に設けられる磁石
と、 前記車輪側に設けられ、前記磁石により起電力を発生す
る電磁誘導部と、を有し、前記電磁誘導部が発生する起
電力により、送信器を動作させることを特徴とするタイ
ヤ圧力モニタシステム。1. A tire pressure monitoring system in which a transmitter is provided on a wheel of an automobile, and a detection result of a pressure sensor of the transmitter is transmitted by radio waves to monitor tire air pressure. And a magnet provided on the wheel side, and an electromagnetic induction unit that generates an electromotive force by the magnet, and the transmitter is operated by the electromotive force generated by the electromagnetic induction unit. And tire pressure monitoring system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7122368A JPH08310207A (en) | 1995-05-22 | 1995-05-22 | Tire pressure monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7122368A JPH08310207A (en) | 1995-05-22 | 1995-05-22 | Tire pressure monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08310207A true JPH08310207A (en) | 1996-11-26 |
Family
ID=14834138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7122368A Pending JPH08310207A (en) | 1995-05-22 | 1995-05-22 | Tire pressure monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08310207A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1002669A1 (en) * | 1998-03-09 | 2000-05-24 | PIRELLI PNEUMATICI Società per Azioni | Tyre containing a generator for supplying electrical power to devices incorporated into the tyre, and method for its manufacture |
| US6470933B1 (en) * | 1998-03-09 | 2002-10-29 | Pirelli Pneumatici S.P.A. | Tire containing at least part of an electrical current generator intended for the supply of sensors and/or other electrical devices present within the tire, and method for manufacture the said tire |
| JP2008001342A (en) * | 2006-06-22 | 2008-01-10 | Silicon Valley Micro C Corp | Tire parameter monitoring system |
| JP2009137497A (en) * | 2007-12-07 | 2009-06-25 | Bridgestone Corp | Electronic component mounting member and electronic component mounting method to tire inner surface |
| JP2010287244A (en) * | 1997-02-12 | 2010-12-24 | Enocean Gmbh | Apparatus and method for generation of encoded high frequency signal |
| US8841785B2 (en) | 2008-04-15 | 2014-09-23 | Infineon Technologies Ag | Energy harvester |
| US9614553B2 (en) | 2000-05-24 | 2017-04-04 | Enocean Gmbh | Energy self-sufficient radiofrequency transmitter |
| WO2017078640A1 (en) | 2015-11-04 | 2017-05-11 | Yeditepe Universitesi | A power generation system |
-
1995
- 1995-05-22 JP JP7122368A patent/JPH08310207A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010287244A (en) * | 1997-02-12 | 2010-12-24 | Enocean Gmbh | Apparatus and method for generation of encoded high frequency signal |
| EP1002669A1 (en) * | 1998-03-09 | 2000-05-24 | PIRELLI PNEUMATICI Società per Azioni | Tyre containing a generator for supplying electrical power to devices incorporated into the tyre, and method for its manufacture |
| US6470933B1 (en) * | 1998-03-09 | 2002-10-29 | Pirelli Pneumatici S.P.A. | Tire containing at least part of an electrical current generator intended for the supply of sensors and/or other electrical devices present within the tire, and method for manufacture the said tire |
| US6885111B2 (en) | 1998-03-09 | 2005-04-26 | Pirelli Pneumatici S.P.A. | Method for generating an electric current within a tire |
| US9614553B2 (en) | 2000-05-24 | 2017-04-04 | Enocean Gmbh | Energy self-sufficient radiofrequency transmitter |
| US9887711B2 (en) | 2000-05-24 | 2018-02-06 | Enocean Gmbh | Energy self-sufficient radiofrequency transmitter |
| JP2008001342A (en) * | 2006-06-22 | 2008-01-10 | Silicon Valley Micro C Corp | Tire parameter monitoring system |
| JP2009137497A (en) * | 2007-12-07 | 2009-06-25 | Bridgestone Corp | Electronic component mounting member and electronic component mounting method to tire inner surface |
| US8841785B2 (en) | 2008-04-15 | 2014-09-23 | Infineon Technologies Ag | Energy harvester |
| WO2017078640A1 (en) | 2015-11-04 | 2017-05-11 | Yeditepe Universitesi | A power generation system |
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