Procedure and Facility for Transmission Between a Control Device and a Wheel Module
1 Assignment
0 Petitions
Accused Products
Abstract
The procedure and the facility are used for wireless transmission between a wheel module (9) arranged in a tire (2) and an external control device (3). A first transmission signal is transmitted from an antenna (6) of the control device (3) to an antenna (11) of the wheel module (9). Data is transmitted via a second transmission signal from the wheel module (9) to the control device (3), whereby the first transmission signal has a different frequency from the second transmission signal. The first transmission signal is received by the antenna (11) of the wheel module (9) during a coupling period, within which while the tires (2) are rotating, an area of influence (15) of the antenna (11) of the wheel module (9) which also rotates, and a stationary area of influence (14) of the antenna (6) of the control device (3) overlap. After the beginning of the coupling period is recognised, the data transmission is started from the wheel module (9) to the control device (3).
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Citations
36 Claims
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1-18. -18. (canceled)
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19. A procedure for wireless transmission between a wheel module (9) arranged in a tire (2) and a control device (3;
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28) arranged outside the tire (2), the method comprising;
transferring a first transmission signal (S1) from an antenna (6) of the control device (3;
28) to an antenna (11) of the wheel module (9);transmitting data via a second transmission signal (S2) from the wheel module (9) to the control device (3;
28), wherein a different frequency is provided for the first transmission signal (S1) than for the second transmission signal (S2);receiving by the antenna (11) of the wheel module the first transmission signal (S1), during a coupling period (TK) within which when the tires (2) are rotating, an also rotating sphere of influence (15) of the antenna (11) of the wheel module (9) and a stationary sphere of influence (14) of the antenna (6) of the control device (3;
28) partially over lap; andrecognizing a beginning of the coupling period (TK) is recognised by the wheel module (9), wherein the transmission of data from the wheel module (9) to the control device (3;
28) is started after the coupling period (TK) begins. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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28) arranged outside the tire (2), the method comprising;
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31. A device for wireless transmission between a wheel module (9) arranged in a tire (2) and a control device (3;
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28) arranged outside the tire (2), the device comprising;
a control device (3;
28) having an antenna (6) for transmission of a first transmission signal (S1);a wheel module (9) having an antenna (11) for receiving the first transmission signal (S1); and a device for transmitting data from the wheel module (9) to the control device (3;
28) using a second transmission signal (S2), wherein the antennae (6, 11) for transmitting and receiving the first transmission signal (S1) are designed for a different frequency (f1) than the element (7, 10, 17) for transmitting data from the wheel module (9) to the control device (3;
28);
the antenna (6) for transmitting the first transmission signal (S1) comprise a control device area of influence (14), and the antenna (11) for receiving the first transmission signal (S1) comprises a wheel module area of influence (15), so that when the tires (2) are rotating, a coupling exists between the wheel module (9) and the control device (3;
28) when the also rotating wheel module area of influence (15) and the stationary control device area of influence (14) at least partially overlap, and the wheel module (9) includes an element (18, 19) for recognising a start of the coupling between the wheel module (9) and the control device (3;
28) and for initiating the data transmission from the wheel module (9) to the control device (3;
28) after it has detected the beginning of the coupling. - View Dependent Claims (32, 33, 34, 35, 36)
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28) arranged outside the tire (2), the device comprising;
Specification