Abstract: A spectroscopic sensor assembly for detecting at least one predefined analyte constituent of a measurement fluid, the sensor assembly including a sensor housing; a radiation source; a detector device; a barrier assembly, which is transmissive for measurement radiation and is impermeable to the analyte constituent; a polymer matrix, which absorbs and releases the analyte constituent; a reflector assembly, which has a signal side facing the polymer matrix and facing the barrier assembly; wherein the reflector assembly has at least one passage extending through the reflector assembly, through which passage the analyte constituent is exchanged between a measurement environment and the polymer matrix, which polymer matrix is located on the signal side of the reflector assembly; and wherein the reflector assembly reflects incident measurement radiation back toward the apparatus portion; the sensor assembly having a spacing means different from the polymer matrix, the spacing means being designed to prevent the refl

Abstract: A ventilation device for artificial ventilation, having: —a ventilation gas source; —a ventilation conducting assembly for conducting inspiratory ventilation gas from the ventilation gas source to a patient-side, proximal ventilation-gas outlet opening and for conducting expiratory ventilation gas away from a proximal ventilation-gas inlet opening; —a pressure-changing assembly for changing the pressure of the ventilation gas flowing in the ventilation conducting assembly; —a control device, which is designed to control the operation of the ventilation gas source and/or the operation of the pressure-changing assembly; —an evaluation device for processing sensor signals; and —an O2 sensor assembly for determining an O2 concentration value representing the oxygen concentration of the ventilation gas flowing in the ventilation conducting assembly, wherein the O2 sensor assembly outputs O2 sensor signals, which contain information regarding the O2 concentration value, to the evaluation device, and wherein the eva

Abstract: A sensor arrangement includes a reaction subassembly having a housing and a detector subassembly. The housing is a layered component arrangement encompassing a luminophore-containing reaction laminate excitable, by irradiation with a first electromagnetic radiation of a first wavelength, to emit a second electromagnetic radiation of a second wavelength different from the first wavelength; and a temperature-detection laminate emitting an infrared radiation. The housing includes an opening for introducing a fluid, a reaction window and a temperature-sensing window. The reaction window transmits the first and second electromagnetic radiation, and the temperature-sensing window is penetrable by infrared radiation.

Abstract: A non-dispersive multi-channel radiation sensor assembly includes a beamsplitter assembly, a first band-pass filter, which has a predefined first bandwidth and has a transmission maximum at a predefined first useful-signal wavelength, a first measurement-radiation useful-signal sensor, which is arranged downstream of the first band-pass filter in the beam path, a second band-pass filter, which has a transmission maximum at a predefined first reference-signal wavelength, a first measurement-radiation reference-signal sensor, which is arranged downstream of the second band-pass filter in the beam path. The beamsplitter assembly has a first irradiation region and a second irradiation region, in which irradiation regions the beamsplitter assembly is irradiated with measurement radiation.

Abstract: A sensor arrangement includes a reaction subassembly having a housing and a detector subassembly. The housing is a layered component arrangement encompassing a luminophore-containing reaction laminate excitable, by irradiation with a first electromagnetic radiation of a first wavelength, to emit a second electromagnetic radiation of a second wavelength different from the first wavelength; and a temperature-detection laminate emitting an infrared radiation. The housing includes an opening for introducing a fluid, a reaction window and a temperature-sensing window. The reaction window transmits the first and second electromagnetic radiation, and the temperature-sensing window is penetrable by infrared radiation.

Abstract: A sensor arrangement (50) encompasses a reaction subassembly (72) having a housing (52) and having a detector subassembly (54), there being provided in the housing (52) a layered component arrangement (60) that encompasses: a luminophore-containing reaction laminate (62) that is excitable, by irradiation with a first electromagnetic radiation of a first wavelength, to emit a second electromagnetic radiation of a second wavelength different from the first wavelength; and a temperature-detection laminate (64) emitting an infrared radiation; the housing (52) comprising an opening (78a, 78b) through which a fluid is introducible; the housing (52) comprising a reaction window (66a) and a temperature-sensing window (66b) arranged physically remotely therefrom; the one reaction window (66a) transmitting the first (E1) and the second electromagnetic radiation (E2); and the temperature-sensing window (66b) being penetrable by infrared radiation (I); the detector subassembly (54) encompassing: a radiation source (

Abstract: A sensor arrangement (50) encompasses a reaction subassembly (72) having a housing (52) and having a detector subassembly (54), there being provided in the housing (52) a layered component arrangement (60) that encompasses: a luminophore-containing reaction laminate (62) that is excitable, by irradiation with a first electromagnetic radiation of a first wavelength, to emit a second electromagnetic radiation of a second wavelength different from the first wavelength; and a temperature-detection laminate (64) emitting an infrared radiation; the housing (52) comprising an opening (78a, 78b) through which a fluid is introducible; the housing (52) comprising a reaction window (66a) and a temperature-sensing window (66b) arranged physically remotely therefrom; the one reaction window (66a) transmitting the first (E1) and the second electromagnetic radiation (E2); and the temperature-sensing window (66b) being penetrable by infrared radiation (I); the detector subassembly (54) encompassing: a radiation source (

Abstract: A device for measuring a periodic signal includes: a first control unit for generating an electrical input signal (V1) of the period T; a light source for generating an optical input signal directed to an object being measured from the electrical input signal (V1); an optical receiver for detecting and converting the signal reflected from the object being measured, the signal corresponding to the optical input signal altered in terms of phase and amplitude, into an electrical measurement signal (V2); and a plurality of measurement channels connected in parallel between the optical receiver and a second control unit, each measurement channel being connected in series to a switching element, a filter element, and an analog-to-digital converter, wherein the second control unit is suitable for evaluating the measurement signals from the plurality of measurement channels, and in which the electrical measurement signal (V2) is applied to each of the plurality of measurement channels, the first control unit is conne

Abstract: A device for measuring a periodic signal is disclosed. The device includes a light source for generating an optical input signal directed at an object being measured from an electrical input signal generated by a driver device on the basis of a first clock pulse, an optical receiver for detecting and converting the signal received, a central control and measuring device is designed to generate the first clock pulse for the driver device and to receive and process the electrical measuring signal, and a voltage-supply apparatus for supplying the driver device. The central control and measuring device are preferably designed to generate a second clock pulse for the voltage-supply apparatus and to filter the electrical measuring signal on the basis of the first and/or second clock pulse. The frequency of the second clock pulse is an even multiple of the frequency of the first clock pulse.

Abstract: A device for measuring a periodic signal includes: a light source for generating an optical input signal directed at an object being measured from an electrical input signal generated by a driver device on the basis of a first clock pulse; an optical receiver for detecting and converting the signal received from the object being measured, the signal corresponding to the optical input signal altered in terms of phase and amplitude into an electrical measuring signal; a central control and measuring device which is designed to generate the first clock pulse for the driver device and to receive and to process the electrical measuring signal; and a voltage-supply apparatus for supplying the driver device, the central control and measuring device being designed to generate a second clock pulse for the voltage-supply apparatus and to filter the electrical measuring signal on the basis of the first and/or second clock pulse, and wherein the frequency of the second clock pulse is an even multiple of the frequency of

Abstract: A device for measuring a periodic signal includes: a first control unit for generating an electrical input signal (V1) of the period T; a light source for generating an optical input signal directed to an object being measured from the electrical input signal (V1); an optical receiver for detecting and converting the signal reflected from the object being measured, the signal corresponding to the optical input signal altered in terms of phase and amplitude, into an electrical measurement signal (V2); and a plurality of measurement channels connected in parallel between the optical receiver and a second control unit, each measurement channel being connected in series to a switching element, a filter element, and an analog-to-digital converter, wherein the second control unit is suitable for evaluating the measurement signals from the plurality of measurement channels, and in which the electrical measurement signal (V2) is applied to each of the plurality of measurement channels, the first control unit is conne