Abstract: A signal processor is provided, the signal processor comprising a transaction buffer, a processing memory, a processing unit, and a bus connection that is configured to be connected to a bus system for data transmission, wherein the transaction buffer is configured to receive and save a set of data packets from the bus system, the data packets each comprise payload data and attributed address data, where the address data relate to an address of the processing memory, the processing memory is connected with the processing unit, the processing unit is configured to run a process routine, and the transaction buffer is configured to transfer payload data between the processing memory and the transaction buffer at a selectable instant of time during the process routine run by the processing unit. Furthermore, a method for transferring data is provided.

Abstract: A position sensor comprises at least one magneto-sensitive element, a current source that is coupled to the at least one magneto-sensitive element and is configured to supply a source current to the at least one magneto-sensitive element, an analog-to-digital converter having an input coupled to the at least one magneto-sensitive element, a position calculation unit that is coupled to an output of the analog-to-digital converter and comprises a first output for providing a position signal, and a diagnostic unit that comprises an output coupled to the current source and is configured to provide a stimulus signal as a function of a stimulus pattern at the output of the diagnostic unit.

Abstract: An apparatus and method for circuit failure detection for a diode array. The apparatus includes a diode array, a diode array test circuit electrically coupled to the diode array and operable to perform circuit failure detection during a test mode when a test input voltage is applied, the diode array test circuit includes an input resistor, an input voltage node, a buffered amplifier circuit, and a plurality of amplifier circuit switches. The apparatus further includes a current detector electrically coupled to the output of the buffered amplifier circuit and operable to determine, during the test mode, a current measurement of the pulse laser diode array.

Abstract: A sensor front-end is presented for processing a measurement signal from a sensing unit, wherein the sensing unit is configured to receive a stimulus signal from an evaluation unit of the sensor front-end, generate the measurement signal from the stimulus signal by altering an amplitude of the stimulus signal based on a measurement parameter, and provide the measurement signal to the evaluation unit. The sensor front-end comprises the evaluation unit that is configured to generate a simulated measurement signal from the stimulus signal by controlling an amplitude of the stimulus signal based on a predetermined control variable, to generate a simulated output signal based on the stimulus signal and the simulated measurement signal, and to determine an error condition based on a comparison of the simulated output signal and the predetermined control variable or a signal derived from the predetermined control variable.

Abstract: A semiconductor device for infrared detection comprises a stack of a first semiconductor layer, a second semiconductor layer and an optical coupling layer. The first semiconductor layer has a first type of conductivity and the second semiconductor layer has a second type of conductivity. The optical coupling layer comprises an optical coupler and at least a first lateral absorber region. The optical coupler is configured to deflect incident light towards the first lateral absorber region. The first lateral absorber region comprises an absorber material with a bandgap Eg in the infrared, IR.

Abstract: An audio system for an ear mountable playback device comprises a compensation filter configured to generate a third compensation signal by applying filter operations to an audio signal, and an error compensation unit configured to generate a compensated error signal on the basis of the third compensation signal and a disturbed audio signal from an error microphone. The audio system further comprises a first noise filter configured to be adapted based on the compensated error signal, and a detection unit configured to estimate the acoustic leakage condition on the basis of the first noise filter or of the disturbed audio signal and an audio output signal. The compensation filter is configured to be adapted based on the acoustic leakage condition.

Abstract: The system-on-chip camera comprises a semiconductor body with an integrated circuit, a sensor substrate, sensor elements arranged in the sensor substrate according to an array of pixels, a light sensor in the sensor substrate apart from the sensor elements, and a lens or an array of lenses on a surface of incidence. Filter elements, which may especially be interference filters for red, green or blue, are arranged between the sensor elements and the surface of incidence.

Abstract: A voltage regulator comprises an output transistor with a controlled section connected between a first supply terminal and an output terminal. An amplifier comprises a reference input and a feedback input. A current mirror comprising a replica transistor. The current mirror is configured to mirror and attenuate a load current supplied by the output transistor to the replica transistor. A filter circuit is coupled to a controlled section of the replica transistor and coupled to the feedback input of the amplifier via the output terminal.

Abstract: A particulate matter sensor module includes a light source and a light detector mounted on a substrate. A housing is attached to the substrate and includes first and second sections attached to one another in a stack over the substrate such that the first section is disposed between the substrate and the second section. The first and second sections, in combination, define a light reflection chamber, a fluid flow conduit, a particle-light interaction chamber, and a light trap chamber. The first section has a first aperture through which light emitted by the light source can pass to a reflective surface within the light reflection chamber. The reflective surface is configured to reflect the light toward the particle-light interaction chamber where the light can interact with particles in a fluid flowing in the fluid flow conduit.

Abstract: A noise cancellation enabled audio system for tonal tinnitus treatment using ambient noise comprises an audio processor (PROC) and at least one filter having an adjustable filter function. An ear mountable playback device (HP) further comprises a speaker (SP) and at least one feedforward microphone (FF_MIC). The audio processor (PROC) is configured to receive an input signal (Z(s)) from the feedforward microphone (FF_MIC) indicative of ambient noise and determine a filter transfer function (HF(s)) to realize a predetermined target transfer function (HT(s)), wherein the target transfer function (HT(s)) is configured to attenuate and/or amplify the input signal (Z(s)) in a predetermined frequency range. The filter function is adjusted depending on the filter transfer function (HF(s). The filter is configured to provide a system output signal (Y(s)) by filtering the input signal (Z(s)) depending on the filter function.

Abstract: A mobile communications device that does not have a physical opening on the screen for audio is operable to transmit a signal to which a photoacoustic effect can be employed by interaction with water vapor in an ear of a user so as to generate audio in the ear or the immediate vicinity of the user's ear. Related methods, apparatuses, systems, techniques and articles are also described.

Abstract: An audio system for an ear mountable playback device comprises a speaker, an error microphone configured to predominantly sense sound being output from the speaker and a further microphone configured to predominantly sense ambient sound. The system further comprises a first noise filter coupling the further microphone to the speaker, a second noise filter coupling the error microphone to the speaker and an adaptation engine. The adaptation engine is configured to adapt a response of the first noise filter depending on error signals from at least the error microphone, estimate a leakage condition from the response of the first noise filter, and adapt a response of the second noise filter depending on the estimated leakage condition.

Abstract: An audio system for an ear mountable playback device includes a speaker, an error microphone, which senses sound being output from the speaker, and a sound control processor. The processor is configured for controlling and/or monitoring a playback of a detection signal or a filtered version of the detection signal via the speaker, recording an error signal from the error microphone, and determining whether the playback device is in a first state, where the playback device is worn by a user, or in a second state, where the playback device is not worn by a user, based on processing of the error signal.

Abstract: An apparatus includes a light senor having directional sensitivity. The light sensor includes multiple light sensitive elements disposed below the same aperture. Each of the light sensitive elements has a respective field of view through the aperture that differs from the field of view of the other light sensitive elements. Signals from the light sensor can facilitate determining the direction of incoming light.

Abstract: An electric circuitry for signal transmission comprises a transmission gate having an input node to apply an input signal. The transmission gate includes a first transistor having an electric conductive channel of a first type of conductivity and a second transistor having an electric conductive channel of a second type of conductivity. The electric circuitry comprises a control circuit to control the signal transmission of the transmission gate. The control circuit is configured to generate a first and second control signal to control the conductivity of the first and second transistor in dependence on a voltage level of the input signal.

Abstract: Bus system comprising a first bus and a second bus, wherein the first bus is connected to the second bus through a bridge and a multiplexer. A first master has access to the second bus via the first bus, the bridge and the multiplexer. A second master has access to the second bus via the multiplexer. The bridge comprises an arbitration unit which is arranged to allow both a first master and a second master access to the second bus in such a way that no access is disturbed or lost.

Abstract: A substrate is provided with a dielectric, a metal layer embedded in the dielectric, and a metallic layer arranged on the metal layer between the substrate and the metal layer. A via hole is formed in the substrate and in a region of the dielectric that is between the substrate and the metal layer. An insulation layer is applied in the via hole and removed from above a contact area of the metal layer, and the metallic layer is completely removed from the contact area. A metallization is applied in the via hole on the contact area.

Abstract: An amplifier circuit includes a circuit path of serially connected complementary type transistors. First and second feedback loops include a loop amplifier, the transistors of the circuit path and a corresponding resistor.

Abstract: A sensor includes a substrate; and a corrugated diaphragm offset from the substrate. The corrugated diaphragm is configured to deflect responsive to a sound wave impinging on the corrugated diaphragm. A cavity is defined between the corrugated diaphragm and the substrate, the corrugated diaphragm forming a top surface of the cavity and the substrate forming a bottom surface of the cavity. A pressure in the cavity is lower than a pressure outside of the cavity.

Abstract: An optical sensor module for time-of-flight measurement comprises an optical emitter, a main detector and a reference detector which are arranged in or on a carrier. An opaque housing of the optical sensor module has a first chamber and a second chamber which are separated by a light barrier. The housing has a cover section and is arranged on the carrier such that the optical emitter is located inside the first chamber, the main detector is located inside the second chamber and the reference detector is located outside the first chamber. Furthermore, a main surface of the cover section is positioned opposite the carrier. The optical emitter is arranged and configured to emit light through a first aperture in the cover section, and the main detector is arranged and configured to detect light entering the second chamber through a second aperture in the cover section.