Abstract:
An electronic control system for a safety device of a motor vehicle includes a first sensor for a motion quantity, a computer for converting the motion quantity to a triggering signal for the safety device, and a second sensor for checking the plausibility of the sensor signal supplied by the first sensor. The two sensors are arranged with an identical construction and/or effect and at an at least approximately identical location on a printed circuit board such that, in a proper operating mode, their output signals have different preceding signs and are identical with respect to their amount over their entire operating range.
Abstract:
A device for reproducing information on a vehicle is provided, wherein a portable transponder unit is part of a keyless access and/or travel authorization system, transmitting a code to a control device, which is arranged in the vehicle, via a transceiver. A display, gas sensor and analysis device are located in the transponder device, the analysis device controlling the display so as to output a warning signal if the measured concentration of gas exceeds a critical threshold.
Abstract:
A system for measuring the concentration of gases using gas-selective indicator substances in a chip-like carrier (1) with an optoelectronic scanning device (2). The chip-like carrier (2) has composite partial elements (3, 4) wherein one partial element (3) contains channels (5) for guiding the gas in the carrier (1), and another partial element (4) has at least one multireflection element (6) for guiding light. Each multireflection element (6) is provided with a layer (7) with indicator substances, which layer faces the gases to be measured and reacts with same in a gas-selective manner. The optoelectronic scanning device (2) has at least one radiation source (21) with an associated radiation detector (22), which are in optical functional connection with each multireflection element (6).
Abstract:
An electronic control system for a safety device of a motor vehicle includes a first sensor for a motion quantity, a computer for converting the motion quantity to a triggering signal for the safety device, and a second sensor for checking the plausibility of the sensor signal supplied by the first sensor. The two sensors are arranged with an identical construction and/or effect and at an at least approximately identical location on a printed circuit board such that, in a proper operating mode, their output signals have different preceding signs and are identical with respect to their amount over their entire operating range.
Abstract:
A device for reproducing information on a vehicle is provided, wherein a portable transponder unit is part of a keyless access and/or travel authorization system, transmitting a code to a control device, which is arranged in the vehicle, via a transceiver. A display, gas sensor and analysis device are located in the transponder device, the analysis device controlling the display so as to output a warning signal if the measured concentration of gas exceeds a critical threshold.
Abstract:
A process and device measures and checks concentration values of a plurality of gas components in a gas sample. The distortion of the measuring results by temperature and moisture effects, contamination as well as cross sensitivity and drift phenomena of the sensors of the gas-measuring device is a frequent problem in the measurement of gases by a gas-measuring device. It is possible with the process to recognize implausible measuring results as such on the gas-measuring device without design measures. This is achieved by the evaluation of data of suitably selected calibrating gases, from which a subvector space is constructed in the vector space of all possible measurement data (s1, s2, s3), represented as a plane (E), and a corresponding tolerance range is constructed. If the data (*) determined later during a measurement, are in the tolerance range, they are classified as plausible, and otherwise as implausible. The subvector space is constructed, e.g., such that the sum of the distances of the measurement points belonging to the calibrating gases from the subvector space is as small as possible.