التفاصيل البيبلوغرافية
| العنوان: |
TIRE INFORMATION TRANSMITTER, TIRE INFORMATION ACQUIRING SYSTEM, AND TIRE/WHEEL ASSEMBLY |
| Document Number: |
20090102633 |
| تاريخ النشر: |
April 23, 2009 |
| Appl. No: |
11/571608 |
| Application Filed: |
June 29, 2005 |
| مستخلص: |
A tire information transmitter is mounted in a tire cavity region surrounded by a tire inner circumference surface and a wheel wall surface and senses atmospheric information in the tire cavity region to wirelessly transmit to outside the tire cavity region. The transmitter has a sensor for sensing atmospheric information in the tire cavity region, a circuit board having a processing circuit for processing a sensed signal from the sensor and having a transmitting circuit for wirelessly transmitting a processed signal and a battery for supplying power for driving the circuits. The battery is made as an encapsulated body of a thin plate shape, having a thin plate surface, by encapsulating battery components with an insulation film, and the encapsulated body has an area ratio of the thin plate surface to a thickness of the thin plate shape of not less than 200 mm, and a mass of not more than 5 g. A tire information acquiring system has the transmitter and a receiver for receiving a signal from the transmitter. |
| Inventors: |
Ebinuma, Toshimitsu (Kanagawa, JP); Titami, Takahide (Kanagawa, JP); Nakatani, Koji (Kanagawa, JP); Nihei, Hideki (Kanagawa, JP); Yamaguchi, Norishige (Fukushima, JP); Morita, Hiroyuki (Fukushima, JP) |
| Assignees: |
The Yokohama Rubber Co., Ltd. (Tokyo, JP), Sony Corporation (Tokyo, JP) |
| Claim: |
1. A tire information transmitter which is mounted in a tire cavity region surrounded by a tire inner circumference surface and a wheel wall surface, and senses atmospheric information in the tire cavity region to wirelessly transmit to outside the tire cavity region, the tire information transmitter comprising: a sensor for sensing atmospheric information in the tire cavity region, a circuit board having a processing circuit for processing a sensed signal from the sensor and having a transmitting circuit for wirelessly transmitting a processed signal, and, a battery for supplying power for driving the processing circuit and the transmitting circuit, wherein the battery is made as an encapsulated body of a thin plate shape, having a thin plate surface, by encapsulating battery components with an insulation film, and the encapsulated body has an area ratio of the thin plate surface to a thickness of the thin plate shape of not less than 200 mm, and mass of not more than 5 g. |
| Claim: |
2. The tire information transmitter according to claim 1, wherein the sensor, the circuit board, and the battery are housed in a housing having a curbed mounting surface with a certain curvature corresponding to a curbed wheel circumference rotating surface, the battery and the circuit board are arranged in the housing in an order of the battery and the circuit board seen from a side of the mounting surface, and an antenna element for signal transmission of the transmitting circuit, together with the processing circuit and the transmission circuit, is arranged on a side of a substrate surface opposite to the mounting surface as viewed from the circuit board. |
| Claim: |
3. The tire information transmitter according to claim 2, wherein the circuit board is of a plate shape, the battery has a thickness of not more than 3 mm, and the housing has a height, in a vertical direction, with respect to the mounting surface of the housing, of not more than one tenth of a curvature radius of the mounting surface. |
| Claim: |
4. The tire information transmitter according to claim 1, wherein the battery is a primary battery made as an encapsulated body by encapsulating a positive electrode, a negative electrode, a separator, and non-aqueous electrolyte with an insulation film. |
| Claim: |
5. The tire information transmitter according to claim 1, wherein the thin plate surface of the battery is an abutting surface for abutting the substrate surface of the circuit board. |
| Claim: |
6. The tire information transmitter according to claim 5, wherein the abutting surface of the battery is a flat surface of a rectangular shape, and has thickness of the battery in a vertical direction with respect to the abutting surface of not more than one third of any of longitudinal and lateral lengths specifying a size of the abutting surface. |
| Claim: |
7. The tire information transmitter according to claim 6, wherein a positive electrode lead and a negative electrode lead of the battery are extended in parallel from the encapsulated body along the abutting surface, and connected to a circuit on the circuit board. |
| Claim: |
8. The tire information transmitter according to claim 1, wherein the atmospheric information includes at least one of inflation pressure or temperature in the tire cavity region. |
| Claim: |
9. A tire information acquiring system comprising: a tire information transmitter which is mounted in a tire cavity region surrounded by a tire inner circumference surface and a wheel wall surface, and senses atmospheric information in the tire cavity region to wirelessly transmit to outside the tire cavity region, a receiver provided outside the tire cavity region for receiving a signal from the tire information transmitter, the tire information transmitter comprising: a sensor for sensing atmospheric information in the tire cavity region, a circuit board having a processing circuit for processing a sensed signal from the sensor and having a transmitting circuit for wirelessly transmitting a processed signal, and, a battery for supplying power for driving the processing circuit and the transmitting circuit, in which the battery is made as an encapsulated body of a thin plate shape, having a thin plate surface, by encapsulating battery components with an insulation film, and the encapsulated body has an area ratio of the thin plate surface to a thickness of the thin plate shape of not less than 200 mm, and a mass of not more than 5 g, wherein the tire information transmitter continually transmits the atmospheric information in the tire cavity region to the receiver. |
| Claim: |
10. A tire/wheel assembly in which a tire information transmitter which is mounted in a tire cavity region surrounded by a tire inner circumference surface and a wheel wall surface, and senses atmospheric information in the tire cavity region to wirelessly transmit to outside the tire cavity region, is mounted on a wheel circumference rotating surface in the tire cavity region, the tire information transmitting comprising: a sensor for sensing atmospheric information in the tire cavity region, a circuit board having a processing circuit for processing a sensed signal from the sensor and having a transmitting circuit for wirelessly transmitting a processed signal, and, a battery for supplying power for driving the processing circuit and the transmitting circuit, in which the battery is made as an encapsulated body of a thin plate shape, having a thin plate surface, by encapsulating battery components with an insulation film, and the encapsulated body has an area ratio of the thin plate surface to a thickness of the thin plate shape of not less than 200 mm, and a mass of not more than 5 g. |
| Claim: |
11. The tire/wheel assembly according to claim 10, wherein the tire information transmitter is arranged on a wheel circumference defined by a wheel rotation axis as a center of the circumference, in a position opposite to a position in which a wheel valve is arranged. |
| Claim: |
12. A tire information transmitter which is mounted in a tire cavity region surrounded by a tire inner circumference surface and a wheel wall surface, and senses atmospheric information in the tire cavity region to wirelessly transmit to outside the tire cavity region, the tire information transmitter comprising: a sensor for sensing atmospheric information in the tire cavity region, a circuit board having a processing circuit for processing a sensed signal from the sensor and having a transmitting circuit for transmitting a processed signal, and, a battery for supplying power for driving the processing circuit and the transmitting circuit, in which the battery has an internal resistance of not more than 5Ω, and a mass energy density of not less than 130 mAh/g. |
| Current U.S. Class: |
340/442 |
| Current International Class: |
60 |
| رقم الانضمام: |
edspap.20090102633 |
| قاعدة البيانات: |
USPTO Patent Applications |