Patent application number | Description | Published |
20100176969 | SENSOR SYSTEM AND METHOD FOR OPERATING A SENSOR SYSTEM - A sensor system having a sensor module and an induction unit is provided, the sensor module having a first antenna, and the induction unit having a second and a third antenna, an induction transmission of signals being provided between the first and the second antenna, and the signals being sent and/or received electromagnetically by the third antenna. | 07-15-2010 |
20100294032 | METHOD FOR OPERATING A SENSOR ON OR IN A VEHICLE TIRE, AND A SENSOR SYSTEM - A method is proposed for operating a sensor on or in a vehicle tyre, in particular an acceleration sensor and in particular for detecting a tyre rotation period and/or a tyre contact period, wherein the sensor is operated with a first sampling rate in a first time interval of a rotation of a tyre, and with a second sampling rate in a second time interval of the rotation of the tyre. | 11-25-2010 |
20100324858 | METHOD AND DEVICE FOR DETERMINING THE CHANGE IN THE FOOTPRINT OF A TIRE - A method for determining a change in the footprint of a tire, on the basis of a signal, which may be assigned to the rotation of the tire, is output by a sensor, and corresponds to an acceleration, the determination being performed by the following: recording at least one acceleration signal g | 12-23-2010 |
20110050251 | Capacitive sensor and actuator - A capacitive sensor and a capacitive actuator having at least one seismic mass deflectably mounted on a substrate. A comb electrode having comb fingers is mounted on the seismic mass, and a comb electrode having comb fingers is mounted on the substrate in such a way that the comb fingers are situated parallel to a deflection direction of the seismic mass and interlock in a comb-like manner. The characteristic curve of the sensor or actuator is adjusted by optimizing the geometry of at least one comb electrode, in particular of at least one comb finger. | 03-03-2011 |
20110109327 | Sensor for capacitive detection of a mechanical deflection - A sensor for capacitive detection of a mechanical deflection includes a substrate having a first substrate electrode and a second substrate electrode; and a mass movable relative to the substrate. The mass is divided into: a first electrically separate region having a first ground electrode; and a second electrically separate region of the mass having a second ground electrode. At least one portion of the first ground electrode is situated in a first region between the first substrate electrode and the second substrate electrode, and forms a first differential capacitor. At least one portion of the second ground electrode is situated in a second region between the first substrate electrode and the second substrate electrode, and forms a second differential capacitor. | 05-12-2011 |
20110140692 | Method for determining the sensitivity of an acceleration sensor or magnetic field sensor - A method for determining the sensitivity of a sensor provides the following steps: a) first and second deflection voltages are applied to first and second electrode systems of the sensor, respectively, and first and second electrostatic forces are exerted on an elastically suspended seismic mass of the sensor by the first and second electrode systems, respectively, and a restoring force is exerted on the mass as a result of the elasticity of the mass, and a force equilibrium is established among the first and second electrostatic forces and the restoring force, and the mass assumes a deflection position characteristic of the force equilibrium, and an output signal characteristic of the force equilibrium and of the deflection position is measured; and b) the sensitivity of the sensor is computed on the basis of the first and second deflection voltages. | 06-16-2011 |
20110248604 | METHOD FOR MANUFACTURING AT LEAST ONE MECHANICAL-ELECTRICAL ENERGY CONVERSION SYSTEM, AND MECHANICAL-ELECTRICAL ENERGY CONVERSION SYSTEM - In a method for manufacturing at least one mechanical-electrical energy conversion system including multiple individual parts, and a mechanical-electrical energy conversion, multiple different individual parts are positioned in an assembly device and joined in joining areas assigned to the individual parts in the assembly device, the individual parts including at least one piezoelectric element, one support structure and one seismic mass. | 10-13-2011 |
20110296906 | Piezoelectric Generator - A piezoelectric generator includes a piezoelectric element, a spring element, a mass element, and at least one stop. The piezoelectric element, the spring element, and the mass element form a system which can oscillate. The stop limits the oscillation of the system which can oscillate, at least on one side. The stop is formed from a ductile material or has a coating of a ductile material. | 12-08-2011 |
20120036915 | SENSOR SYSTEM AND METHOD FOR CALIBRATING A SENSOR SYSTEM - A sensor system having a substrate and a mass which is movably suspended relative to the substrate is described, the sensor system including detection arrangement for detecting a deflection of the seismic mass relative to the substrate along a deflection direction, the detection arrangement including a first measuring electrode affixed to the substrate and a second measuring electrode affixed to the substrate, and a first overlap, which is perpendicular to the deflection direction, between the first measuring electrode and the seismic mass along the deflection direction is greater than a second overlap, which is perpendicular to the deflection direction, between the second measuring electrode and the seismic mass. | 02-16-2012 |
20120198909 | Measurement Signal Correction Apparatus and Method for Correcting a Measurement Signal - A measurement signal correction apparatus includes an analog/digital converter, a correction factor providing unit, and a measurement signal correction unit. The analog/digital converter is configured to convert an analog measurement signal read in using an interface into a digital measurement signal using a reference frequency signal. The correction factor providing unit is configured to provide a correction factor determined on the basis of the reference frequency signal. The measurement signal correction unit is configured to multiply the digital measurement signal by the correction factor in order to obtain a corrected measurement signal. | 08-09-2012 |
20120200326 | Method and Apparatus for Reducing Signal Edge Jitter in an Output Signal from a Numerically Controlled Oscillator - A method for reducing signal edge jitter in an output signal from a numerically controlled oscillator includes processing an input signal with a first accumulator to provide a first accumulator output signal and continuing to use a carry in the processing of the input signal with the first accumulator in the event of an overflow. The method further includes processing the input signal with a second accumulator to provide a second accumulator output signal and rejecting a carry in the processing of the input signal with the second accumulator in the event of an overflow. The method further includes outputting the second accumulator output signal at an output of the numerically controlled oscillator and synchronizing the second accumulator using the first accumulator output signal. | 08-09-2012 |
20130042664 | Method for the functional checking of an inertial sensor and inertial sensor - A method for providing functional checking of an inertial sensor, a first test signal having a first frequency being fed in at a test electrode of the inertial sensor for exciting a vibration of a vibration mass and a first response signal corresponding to the vibration mass is recorded, a second test signal having a second frequency different from the first frequency being fed in at the test electrode, a second response signal corresponding to the vibration mass being recorded, and the two response signals being evaluated. Also described is an inertial sensor. | 02-21-2013 |
Patent application number | Description | Published |
20090206703 | Circuit Module - A circuit module, in particular for use in a vehicle tire, having at least: a housing ( | 08-20-2009 |
20100007246 | Bending transducer device for generating electrical energy from deformations and circuit module - A bending transducer device for generating electrical energy includes at least one elastically deformable support structure, one piezoelectric element, and a bearing device. The piezoelectric element is configured and situated on the support structure in such a way that the piezoelectric element is deformable due to a deformation of the support structure caused by vibration, and the support structure is supported vibration-capably in at least one bearing of the bearing device, the bearing being configured as an articulated receptacle, e.g., a hinge. | 01-14-2010 |
20100033060 | BENDING TRANSDUCER FOR GENERATING ELECTRICAL ENERGY FROM MECHANICAL DEFORMATIONS - A bending transducer device for generating electrical energy from deformations, and a circuit module which has such a bending transducer. The bending transducer includes at least one electrically deformable, vibration-capable, electrically conductive support structure, one piezoelectric element and a first contacting element, the conductive support structure having a first restraining area and a second restraining area for restraining the support structure, the piezoelectric element being designed and situated on the support structure in such a way that the piezoelectric element is deformable due to the deformation of the support structure caused by vibrations, and a first electrode for picking up the voltage generated by the deformation of the piezoelectric element is formed and contacted by the support structure, the first contacting element being connected electrically conductively to the support structure outside the first restraining area and the second restraining area. | 02-11-2010 |