Abstract: In a portable electronic device components (2) consuming electrical power during operation may generate heat. A temperature sensor (1) for sensing an ambient temperature (TS) of the portable electronic device may as a consequence not supply the correct temperature value. It is suggested to provide a compensator (4) for determining a compensated ambient temperature (TA) dependent on at least the sensed ambient temperature (TS) and information (Pi) related to the electrical power consumed by at least one of the components (2).

Abstract: A gas sensor package comprises a gas sensor chip with a layer sensitive to a gas, and with a heater for heating the sensitive layer. Contact pads are provided for electrically contacting the gas sensor package and a die pad is provided for mounting the gas sensor chip to. Electrical connections connect the gas sensor chip and the contact pads. A molding compound at least partially encloses the gas sensor chip. An opening in the molding compound provides access to the sensitive layer of the gas sensor chip. One of the contact pads serves as a pin for supplying electrical current to the heater of the gas sensor chip.

Abstract: A method for determining a fluid composition parameter, e.g., a fluid identifier, a mixing ratio or a parameter describing heat transfer properties, of an unknown fluid in a mass flow controller is disclosed. A control valve of the mass flow controller is set so as to establish a constant flow, preferably zero flow, through the mass flow controller. A heating element of the flow sensor is heated, and at least one temperature value is measured with temperature sensors arranged on both sides of the heater while the fluid contacts the flow sensor. First calibration data (LUT1) are retrieved. The first calibration data have, as input values, temperature values measured with the flow sensor at the previously established constant flow and have, as output values, values of the fluid composition parameter. The first calibration data are used to determine the fluid composition parameter from the measured temperature value.

Abstract: A sensor package comprises a carrier comprising a through hole, and a sensor chip with a front side and a back side and a recess in the back side. The sensor chip is attached to the carrier with its back side facing the carrier by means of an attachment layer thereby defining a first area of the carrier the sensor chip rests on and a second area of the carrier facing the recess. The through hole is arranged in the first area of the carrier.

Abstract: A sensor assembly comprises a substrate arrangement and a sensor chip mounted to the substrate arrangement. A sensing element is integrated on or in the sensor chip and is sensitive to at least one parameter of a fluid. An access opening is provided in the substrate arrangement enabling the fluid to access the sensing element. A metallization arranged on at least a portion of the substrate arrangement seals a chamber containing the sensor chip which portion comprises one or more of a wall defining the access opening or an area facing the sensor chip.

Abstract: A method for determining fluid parameters, such as a heat capacity cpp, a calorific value Hp, a methane number MN, and/or a Wobbe index WI, of an unknown fluid (g). An unknown flow (55) of the fluid (g) is set in a sensor device (10), the sensor device (10) comprising a thermal flow sensor (1) and a pressure sensor device (15) for measuring at least one temperature value T1, T2, a further parameter, and differential pressure value ?? over a flow restrictor (14). Using these measurement parameters T1, T2, ?p and calibration data, the calorific value Hp, and/or the Wobbe index WI, or parameters indicative thereof, of an unknown fluid (g) are calculated. The invention also relates to such a sensor device (10) and to a computer program product for carrying out such a method.

Abstract: Adaptor device comprising a base body with a first reception for receiving the first hose coupling nozzle and with a second reception for receiving a second hose coupling nozzle. The adaptor device has a first connecting nipple and a second connecting nipple for receiving hoses and has at least one first fastening structure for connecting the adaptor device to a further device. The adaptor device is configured to be connected to the further device to receive in the first and second receptions, respectively, upon connection with the further device, first and second hose coupling nozzles of the further device. A distance between the first and second receptions is smaller than a distance between muzzle openings of the first and second connecting nipples.

Abstract: In a portable electronic device, a temperature sensor is provided for sensing an ambient temperature of the portable electronic device. At least one other temperature sensor is provided for sensing a temperature inside the portable electronic device. The portable electronic device further comprises a set of components radiating heat in an active state in response to the consumption of electrical energy. A calibration module is adapted to conduct a calibration measurement during or in connection with an active state of at least a first component out of the set, and is adapted to determine a set of calibration parameters in response to the calibration measurement for adjusting the at least one sensed inside temperature. A compensator is provided for determining a compensated ambient temperature dependent on at least the sensed ambient temperature and the at least one adjusted sensed inside temperature.

Abstract: A chemical sensor (10) is described with at least one layer of a metal oxide (11) arranged between two current injecting electrodes (16,16?) with the length (L) of the layer of a metal oxide between the current injecting electrodes being less than 50 microns and one or a pair of voltage sensing electrodes (17) connected to the layer of a metal oxide (11) with the electrodes (16,16?,17) forming a 3- or 4-terminal arrangement for determining the resistance changes of layer material (11) excluding series resistances such as contact resistances close to or at at least one of the current injecting electrodes (16) from the resistance measurement.

Abstract: In a method for operating a portable electronic device comprising a chemical sensor, at least one reference reading is taken by the chemical sensor at least one predetermined point in time. At least one compensation value is determined based on at least one reference value wherein each reference value is derived from a result of a corresponding reference reading. A result of an operational reading of the chemical sensor is modified by the at least one compensation value.

Abstract: A method for fabrication of a sensor device (1) for measuring a parameter of a test substance, comprising: i) providing a substrate; ii) arranging on its front side a structured first protection layer (2); iii) arranging on the substrate with the structured first protection layer (2) a stack including first and second electrodes (3,4), a sacrificial layer between the first and second electrodes (3,4); and iv) etching in an etching step from the back side through the substrate such as to remove material of the semiconductor substrate and the sacrificial layer. The present invention also relates to such a sensor device (1).

Abstract: A portable electronic device and related methods are described using an integrated chemical sensor linked to a chemical sensor processing unit and being sensitive to the concentration of a component in a sample of air and further including an operating system providing instructions for the control of the portable device, wherein the chemical processing unit uses under operating conditions a first set of instructions and a second set of instructions stored within the portable device, wherein the first set of instructions is part of the operating system level of instructions and the second set of instructions is part of a user of instructions with the second set of instructions being linked to the operating system via a plugin interface and wherein the second set of instructions is communicated to the portable device from a remote computing system based on access to measurements and/or operating conditions of the chemical sensor.

Abstract: A mobile device comprises a CPU operating a display and other user interface circuitry. Further, it comprises a gas sensor as well as a sensor hub connecting the gas sensor and other sensors to the CPU. In order to save power, the device can be brought into a low-power operating mode, where the CPU is idling or switched-off and the gas sensor itself has a low-power and a high-power operating mode. However, even in this low-power operating mode, the sensor hub still monitors for changes of the signal from the gas sensor and wakes the device up if such a change is detected.

Abstract: In a portable electronic device, a temperature sensor (1) is provided for sensing an ambient temperature (TR) of the portable electronic device. At least one other temperature sensor (3) is provided for sensing a temperature (TI) inside the portable electronic device. The portable electronic device further comprises a set of components (2) radiating heat in an active state in response to the consumption of electrical energy. A calibration module (5) is adapted to conduct a calibration measurement during or in response to an active state of at least a first component out of the set, and is adapted to determine a set of calibration parameters (c1) in response to the calibration measurement for adjusting the at least one sensed inside temperature (T1). A compensator (4) is provided for determining a compensated ambient temperature (TA) dependent on at least the sensed ambient temperature (TS) and the at least one adjusted sensed inside temperature (c1, T1).

Abstract: The invention relates to a flow sensor (1), comprising: a semiconductor module (2) on which a temperature sensing means (13a, 13b) and a heat source (12) are arranged, a flow channel (6) for guiding the fluid medium in a flow direction (D), and a wall (W) delimiting the flow channel, wherein said heat source (12) and said temperature sensing means (13a, 13b) are configured such that they are in thermal contact with said wall (W). According to the invention, said wall (W) comprises a glass member (4) and a metal member (3a), wherein the glass member (4) is connected to the metal member (3a).

Abstract: There is provided a portable electronic device with one or more integrated temperature sensors (12) for measuring an ambient temperature, a compensator (25,26) for reducing the difference between a sensor output (Ts) and the ambient temperature (Ta) with the compensator (25,26) switching depending on environmental and/or handling conditions between a plurality of compensation modes selected dependent on measurements of one or more other integrated and/or external sensors.

Abstract: The invention relates to a flow sensor (1) and a method for determining the presence of a gas bubble (G) in a liquid (L) flowing through the flow sensor (1).

Abstract: A portable electronic device and a related methods are described using an integrated chemical sensor linked to a chemical sensor processing unit and being sensitive to the concentration of a component in a sample of air and one or more contextual sensors not including chemical, temperature and humidity sensors, wherein output from the contextual sensors is linked to a local or remote interpretation processor generating a constraint or correlation set transferred to the chemical sensor processing unit for use in determining a result of a chemical measurement as performed by the chemical sensor.

Abstract: Electronic device (10) comprising a housing (11) with a fluid-filled cavity (12), the cavity (12) being coupled to the housing (11) such that a pressure in said cavity (12) changes upon application of an external force onto the housing (12). A pressure sensor (13) is arranged for sensing inside said cavity (12) said pressure change and for generating a pressure signal indicative of said pressure change. The device (10) further comprises an evaluation unit (14) for deriving from said pressure signal at least one component of said external force and for generating a force signal that is indicative of said at least one component of said external force and/or for deriving from said pressure signal a deformation of the housing (11) in at least one direction and to generate a force signal that is indicative of said deformation of the housing (11) in at least one direction.

Abstract: In a portable electronic device, an ambient temperature is sensed by means of a temperature sensor. In addition, it is assessed if the portable electronic device is exposed to condensation. A corresponding condensation indicator is provided. The condensation indicator is determined based on a dew point and based on sensed temperature values of the past or temperature derived from the past sensed temperature values.