Abstract: A sensor transponder (1) with at least one acceleration sensor is arranged on the inner side of a running surface (2) of a tire (9). The signals from the acceleration sensor are compared with prespecified threshold values and then integrated, whereby following the formation of a quotient, the tire contact length (6) is calculated independently of the velocity.

Abstract: The present invention relates to an electrical assembly (1) with an outer protective sheath (3). According to the invention, an inner sheath (4), which comprises a higher viscosity or elasticity than the outer protective sheath (3), is provided between the electrical assembly (1) and the outer protective sheath (3) at least at a partial area of the assembly (1).

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).

Abstract: Disclosed is a vehicle sensor (4) for detecting impact sound, including a measured-value sensor (4.1) for detecting an impact sound. The measured-value sensor (4.1) includes several individual, separate measured-value sensing elements (4.1.x), each of which is coupled to a vehicle structure (5) in such a way that impact sound waves are transmitted by the vehicle structure (5) to the measured-value sensing elements (4.1.x).

Abstract: The present invention relates to a sensor transponder (1) and a procedure for calculating a tyre contact length (6). The sensor transponder (1) is arranged with at least one acceleration sensor on the inner side of a running surface (2) of a tyre (9). The signals from the acceleration sensor are compared with prespecified threshold values and then integrated, whereby following the formation of a quotient, the tyre contact length (6) is calculated independently of the velocity.

Abstract: The invention relates to a switch controller system which furnishes a constant output, voltage over a broad input voltage range. The input voltage may here be lower as well as higher than the output voltage. The large control range is realized by a combination of a down converter and an up converter in a power output stage and a common storage choke. The storage choke is advantageously configured as a flat coil in multi-layer technology and includes a coil core. A novel switch controller system is disclosed which links two known converter concepts having different characteristics with one another.