Abstract: The present invention relates to a method for operating a security device, comprising a housing with at least one current-carrying element, wherein the current-carrying element is arranged in the housing interior and is enclosed by the housing. A particle detector is arranged in the housing interior, which monitors the housing interior with respect to the formation of particles.

Abstract: The present invention relates to a method for operating a security device, comprising a housing with at least one current-carrying element, wherein the current-carrying element is arranged in the housing interior and is enclosed by the housing. A particle detector is arranged in the housing interior, which monitors the housing interior with respect to the formation of particles.

Abstract: The invention relates to a photometric gas sensor containing at least an infrared radiation source; a first reflector for deflecting to a second reflector an infrared radiation coming from an infrared radiation source; a second reflector for deflecting to an infrared detector the radiation coming from the first reflector; and an infrared detector.

Abstract: A micromechanical thermal-conductivity sensor is provided which includes a thermally insulated diaphragm formed by a recess in a base plate exhibiting poor thermal conductivity. At least one heating element is applied on the diaphragm, at least one temperature-dependent electrical resistor is applied on the diaphragm for measuring the temperature of the diaphragm, as well as at least one further temperature-dependent electrical resistor is applied outside of the diaphragm on the base plate for measuring the ambient temperature. On one or both of its sides, the diaphragm is covered by a porous cover plate permitting gas exchange by diffusion, a cavity being left open between the diaphragm and the porous cover plate.

Abstract: A device for generating infrared radiation includes at least one heating element and at least one radiating element for irradiating the infrared radiation. The heating element is a micromechanical, two-dimensional heater structure. The heating element may be applied on the radiating element using hybrid technology such that the radiation element has at least one side facing the heating element and at least one side facing away. The radiating element may be ceramic substrate.

Abstract: An apparatus for noninvasive blood pressure measurement having a device for measuring blood pressure values and an acceleration sensor, in particular a two- or three-axis acceleration sensor for measuring movements is provided for measuring and monitoring blood pressure. Using the movement data ascertained by the acceleration sensor, movement artifacts are calculated out of the measured blood pressure values with the aid of a signal processing system.

Abstract: The invention relates to an air conditioner, in particular for use in motor vehicles, with a cooling circuit and a ventilation system, wherein the cooling circuit features an evaporator/heat exchanger (12) that is arranged in the ventilation system, and wherein a gas sensor (30) is provided in the ventilation system downstream from the evaporator/heat exchanger (12) to detect the rates of a refrigerant of the evaporator/heat exchanger (12) of the air conditioner in the conveyed air-conditioned air. It is provided that the gas sensor (30) is arranged at a narrow point (32) and/or in an area of turbulent flow of an air guidance channel (10) of the ventilation system. The invention also relates to a method to operate such an air conditioner.

Abstract: The invention relates to a method to regulate a circulating air and/or intake air portion (Vs, Vo) in a passenger compartment of a vehicle, in particular a motor vehicle, with a sensor for detecting hazardous gas concentrations in the passenger compartment and for supplying a triggering signal (1CO2) of a control unit for the circulating air and/or intake air portion (Vs, Vo) in a passenger compartment. To achieve air supply in a passenger compartment that does justice to demand and is optimized with respect to energy consumption, the sensor for detecting hazardous gas concentrations is a temperature-compensated sensor, whereby the sensor for detecting the ambient temperature along with the sensor for detecting the hazardous gas concentration supply signals (1t, 1CO2) for triggering a control unit for the circulating air and/or intake air portion (Vs, Vo).

Abstract: A device for detecting a deformation of a component, for example, in the automotive industry, having a deformable hollow body arrangement assigned as a deformation indicator to the component and having at least one orifice area, and at least one sensor device situated in the particular orifice area for measuring an air flow corresponding to the deformation of the hollow body arrangement. In addition, a method of detecting such a deformation of a component and activating an appropriate safety application is described. The measured data is analyzed by an analyzer unit after measurement of the deformation, and a suitable safety application optionally being activated if the measured data of the at least one sensor device indicates a deformation of hollow body arrangement and thus of the component.

Abstract: A device for generating infrared radiation includes at least one heating element and at least one radiating element for irradiating the infrared radiation. The heating element is a micromechanical, two-dimensional heater structure. The heating element may be applied on the radiating element using hybrid technology such that the radiation element has at least one side facing the heating element and at least one side facing away. The radiating element may be ceramic substrate.

Abstract: The invention relates to an air conditioner, in particular for use in motor vehicles, with a cooling circuit and a ventilation system, wherein the cooling circuit features an evaporator/heat exchanger (12) that is arranged in the ventilation system, and wherein a gas sensor (30) is provided in the ventilation system downstream from the evaporator/heat exchanger (12) to detect the rates of a refrigerant of the evaporator/heat exchanger (12) of the air conditioner in the conveyed air-conditioned air. It is provided that the gas sensor (30) is arranged at a narrow point (32) and/or in an area of turbulent flow of an air guidance channel (10) of the ventilation system. The invention also relates to a method to operate such an air conditioner.

Abstract: A method for implementing measures to avert danger for living beings in a compartment in a motor vehicle, in which a carbon dioxide variable describing the carbon dioxide content or the rate of increase of the carbon dioxide content of the air in this space is detected; and in which a temperature variable representing the room temperature in this space is determined. The temperature variable is compared to a temperature-threshold value, and in the event that the temperature variable exceeds a temperature threshold value, the danger-averting measures in response to the temperature threshold value being exceeded are implemented only if the carbon dioxide variable has exceeded a carbon dioxide threshold value.

Abstract: A micromechanical thermal-conductivity sensor is provided which includes a thermally insulated diaphragm formed by a recess in a base plate exhibiting poor thermal conductivity. At least one heating element is applied on the diaphragm, at least one temperature-dependent electrical resistor is applied on the diaphragm for measuring the temperature of the diaphragm, as well as at least one further temperature-dependent electrical resistor is applied outside of the diaphragm on the base plate for measuring the ambient temperature. On one or both of its sides, the diaphragm is covered by a porous cover plate permitting gas exchange by diffusion, a cavity being left open between the diaphragm and the porous cover plate.

Abstract: A device for detecting a leakage in a motor vehicle air conditioning system that utilizes carbon dioxide as the cooling material is provided. The device for detecting leakage includes: at least one sensor for rapid detection of especially high rate of increase of the carbon dioxide concentration and/or particularly high carbon dioxide concentration in the air of the passenger compartment; an evaluation device for evaluating the ascertained rate of increase and/or concentration; and at least one actuator which, in the case that the rate of increase and/or concentration exceeds a threshold value, performs a remedial action.

Abstract: A device 1 for detecting a deformation of a component 10, in particular in the automotive industry, having a deformable hollow body arrangement assigned as a deformation indicator to component 10 and having at least one orifice area 3, and at least one sensor device 4; 12 situated in the particular orifice area 3 for measuring an air flow corresponding to the deformation of hollow body arrangement 2. In addition, the present invention relates to a method of detecting such a deformation of a component 10 and activating an appropriate safety application, the measured data being analyzed by an analyzer unit 13 after measurement of the deformation, and a suitable safety application optionally being activated if the measured data of the at least one sensor device 4; 12 indicates a deformation of hollow body arrangement 2 and thus of component 10.