SIEMENS VDO AUTOMOTIVE AKTIENGESELLSCHAFT Patent applications |
Patent application number | Title | Published |
20100029232 | Method for Searching for Signals Among Interference Signals in a Multi-Channel Radio Receiver - In a method for searching for signals among interference signals in a multi-channel radio receiver, at least two different data signals are transmitted on at least one physical channel of a radio system to a common receiver. The search for a signal is initiated on any channel, starting with a sequential search of a useful signal by measuring the current signal strength in the form of the RSSI value; a search is made for a signal criterion of the signal and when said criterion has been identified, the measured RSSI value is compared with a predefined RSSI threshold value; if the RSSI threshold value is exceeded, the search for a signal is switched to a search for a data frame and if a data frame is found, the useful data is read; if no signal criterion is identified, if the RSSI threshold value is not exceeded and if no data frame is found, the procedure is interrupted and a new search operation is initiated once a new RSSI threshold value has been defined. The invention is particularly suitable for radio transmission systems in motor vehicles to implement RKE and TPMS functions and for multi-channel transmissions, used for example in remote metering and remote control systems. | 02-04-2010 |
20090276125 | Device and Method for Controlling a Passenger Protection System of a Vehicle - A device for controlling a passenger protection system of a motor vehicle includes at least one structure-borne noise sensor, used to receive body vibrations, and an evaluation device, used to evaluate the structure-borne noise signal. The evaluation provides information about an impact object and/or the characteristics of the impact. The evaluation device is configured to analyze the structure-borne noise signal in relation to the frequencies contained therein, wherein the frequency spectrum contained in a signal section is distributed into a plurality of frequency ranges. The current signal energy is determined for each frequency range, and the signal energy of the frequency range is a standardized. The device also comprises a passenger protection system, which can be actuated according to the information relating to the impact object and/or the characteristics of the impact. Further, the evaluation device is embodied such that during standardization, the signal energy of each frequency range is established in relation to the signal energy of a specific reference frequency range, and the resulting ratio course is compared to predetermined threshold values. | 11-05-2009 |
20080306659 | Device and Method for Distinguishing a Person From an Object on a Vehicle Seat - A device for differentiating between a person sitting on the seat surface of a vehicle seat and an object includes at least one largely flat bearing surface that is arranged over a large part of the seat surface including a central region. The novel device includes a vehicle seat, a cushion with weight sensors that are distributed over the seat surface of the vehicle seat in a plane manner, and an evaluation unit to which the signals of the weight sensors are supplied. A central region of the seat surface is curved in a concave manner in the direction of the bottom of the vehicle, in such a way that a first weight sensor arranged therein is closer to the bottom of the vehicle than a plurality of second weight sensors arranged in the region of the seat surface covered by the object, outside the central region. The capacity to differentiate between a person and an object is especially useful when the object is a child seat. In this case, the triggering of a passenger retaining means must be prevented. | 12-11-2008 |
20080270427 | Method and Apparatus for Configuring a Control Device, and Corresponding Control Device - The invention relates to a method for configuring a control device and to a corresponding control device. The control device comprises a main memory and a variant memory. A main data record is created in accordance with an identification from a base data record that is specific to said identification and a difference base data record that is likewise specific to said identification. The main data record is then transmitted to a main memory of the control device. | 10-30-2008 |
20080238511 | Control Device with Terminal 15 - Holding Circuit - A terminal state of a terminal | 10-02-2008 |
20080211456 | Device and Method for Charge Equalization of Series-Connected Individual Cell of an Energy Accumulator - A device and a method equalize a charge of series-connected individual cells of an energy accumulator with a DC/DC converter. The DC/DC converter draws energy from the energy accumulator or from another power source for charging an intermediate circuit capacitor whose voltage is inverted in a DC/AC converter and the alternating voltage is converted into an intermittent direct current by a rectifier via an AC bus and a coupling element. A switch is placed between the AC bus and each cell thereby enabling the cell to be coupled to the AC bus or disconnected therefrom. | 09-04-2008 |