1-15. (canceled)
16. A multicontact transparent tactile sensor comprising:
two at least partially conductive transparent layers spaced by an insulative transparent material, wherein at least one of the layers consists of a transparent film on which is deposited an array of conductive tracks having a width less than 80 microns.
17. A tactile sensor according to claim 16, wherein each of the two layers consists of a transparent film on which is deposited an array of conductive tracks electrically insulated from each other, the width of which is less than 80 microns.
18. A tactile sensor according to claim 17, wherein the array of conductive tracks consists of an opaque conductive material.
19. A tactile sensor according to claim 17, wherein the array of conductive tracks of the two layers are perpendicular to each other.
20. A tactile sensor according to claim 16, wherein the other transparent layer includes a transparent conductive surface coating.
21. A tactile sensor according to claim 20, wherein the other transparent layer includes a conductive ITO surface coating.
22. A tactile sensor according to claim 20, wherein the other transparent layer includes a capacitive sensor.
23. A tactile sensor according to claim 22, wherein the other transparent layer includes a sprayed capacitive sensor.
24. A tactile sensor according to claim 16, wherein the upper layer consists of a polyester film with a thickness of 125 microns.
25. A tactile sensor according to claim 16, wherein the upper layer consists of a glass film with a thickness of 20 microns.
26. A tactile sensor according to claim 16, wherein the lower layer consists of a glass plate with a dimension between 0.1 and 3 millimeters inclusive.
27. A tactile sensor according to claim 16, wherein the lower layer consists of a flexible glass film.
28. A tactile sensor according to claim 16, wherein the interlayer spacing is between 12 and 40 microns inclusive.
29. A tactile sensor according to claim 16, wherein the conductive tracks of the same array of conductive tracks are parallel and equally spaced.
30. A tactile sensor according to claim 16, wherein the array of conductive tracks consists of deposited thin metal wires the width of which is less than 80 microns.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A vehicular tire pressure device receiving from at least one sensor of a tire pressure monitoring system high frequency signals, comprising:
a power unit for supplying power to the tire pressure device independently through a battery or a power-getting interface from a car;
a control chip, which, when determining that the power unit supplies power by the battery, reads out from the high frequency signals information regarding correlation between a sensor and corresponding ID feature code and then stores the information under the control of an user manipulation; and when determining that the power unit supplies the power by the power-getting interface, reads out from the from the high frequency signals tire pressure data and ID feature code, and then outputs the ID of a corresponding sensor and corresponding tire pressure data based on the correlation;
a low frequency wake-up unit powered only by the power unit, said low frequency wake-up unit sending inducing signals of low frequency under the control of the control chip, when in the signal match device working state so that the inducing signals are sensed by the sensor and then the high frequency signals are transmitted by the sensor;
a high frequency transceiver unit for receiving said high frequency signals under the control of the control chip; and
an IO device for providing a man-machine interaction operation interface so as to receive user’s operation and providing warning information.
2. The vehicular tire pressure device according to claim 1, wherein the voltage of the battery of the power unit is different from that of the power gotten from the power-getting interface; and both the batter and power-getting interface supply power to the vehicular tire pressure device through a power control circuit.
3. The vehicular tire pressure device according to claim 1, wherein the battery is rechargeable and is coupled with the power-getting interface via a charging circuit so as to supply power to the battery.
4. The vehicular tire pressure device according to claim 1, wherein the battery is a dry battery.
5. The vehicular tire pressure device according to claim 1, wherein the IO device includes a touch-sensitive display.
6. The vehicular tire pressure device according to claim 1, wherein the IO device includes a button, a display and speaker all of which are electrically connected to the control chip.
7. The vehicular tire pressure device according to claim 1, wherein the power-getting interface is located outside of the vehicular tire pressure device, and the other components of the vehicular tire pressure device are all assembled into a box.
8. The vehicular tire pressure device according to claim 7, wherein a pivotal connection construction is disposed between the power-getting interface and box.
9. A tire pressure monitoring system, comprising a plurality of sensors installed inside respective tires of a car, and further comprising a vehicular tire pressure device according to claim 1, wherein when the vehicular tire pressure device is powered independently by the battery and is not installed to a cigarette lighter of the car, the IO device of the vehicular tire pressure device is operated by the user so that the low frequency wake-up circuit is triggered to transmit the inducing signals to an individual sensor; next, the sensor transmits the high frequency signals; the vehicular tire pressure device establishes correlation with the sensor based on the ID feature code contained in the high frequency signals and then the correlation data is stored; when the vehicular tire pressure device is installed to the cigarette lighter and powered by the power-getting interface, the vehicular tire pressure device receives the high frequency signals from respective sensors through its high frequency transceiver unit; and finally, the vehicular tire pressure device outputs through its IO device the sensor data and corresponding tire pressure data based on tire pressure data and ID feature code included in the high frequency signals and by comparison with the correction data.