Abstract: The invention relates to a device for hydroentangling and/or structuring webs that includes an suctioning rotating drum and a structured shell, including at least two rings which can be pushed on and attached to the drum, is disposed at a distance from the cylindrical surface of the drum around. A web can be at least partially looped around the structured shell. At least one water bar including a nozzle strip with a plurality of nozzles is arranged relative to the structured shell to entangle and/or to structure and/or to perforate the web by the water jets. The invention further relates to the structured shell.

Abstract: The invention relates to a device for hydroentangling and/or structuring webs that includes an suctioning rotating drum and a structured shell, including at least two rings which can be pushed on and attached to the drum, is disposed at a distance from the cylindrical surface of the drum around. A web can be at least partially looped around the structured shell. At least one water bar including a nozzle strip with a plurality of nozzles is arranged relative to the structured shell to entangle and/or to structure and/or to perforate the web by the water jets. The invention further relates to the structured shell.

Abstract: A method for reducing a disturbance on a signal path is provided. The disturbance is caused by a capacitance (203, 214)of a semiconductor switch (131-133) of an integrated circuit (130). The semiconductor switch (131-133) switches the signal path. The capacitance (203, 214) acts between the semiconductor switch (131-133) and a power supply terminal of the integrated circuit (130). According to the method, the power supply terminal of the integrated circuit (130) is coupled via an impedance (138, 139) to a power supply (137, 140).

Abstract: The invention relates to an apparatus for hydrodynamic entanglement of non-wovens, wovens or knits, comprising a basic drum (1) having a multiplicity of holes (4), on which basic drum (1), spaced apart therefrom, there is arranged a structured drum (6), the spacing between the basic drum (1) and the structured drum (6) being arranged to be produced by a plurality of wires (5, 5?, 5?, 5??, . . . ) which are arranged on the surface of the basic drum (1) and which are at least in part in material-based connection with the basic drum (1), the wires (5, 5?, 5?, 5??, . . . ) being arranged in parallel to one another on the surface of the basic drum (1), characterised in that the wires (5, 5?, 5?, 5??, . . . ) are arranged on the surface of the basic drum (1) at an angle ? of from 5° to 45°, preferably 15°, relative to the longitudinal axis of the basic drum (1).

Abstract: A method for reducing a disturbance on a signal path is provided. The disturbance is caused by a capacitance of a semiconductor switch (131-133) of an integrated circuit (130). The semiconductor switch (131-133) switches the signal path. The capacitance (203, 214) acts between the semiconductor switch (131-133) and a power supply terminal of the integrated circuit (130). According to the method, the power supply terminal of the integrated circuit (130) is coupled via an impedance (138, 139) to a power supply (137, 140).

Abstract: An antenna used for receiving signals for a plurality of functional modules in an electronic devices includes a single coil including a first portion associated with a first one of the functional modules and a second portion associated with a second one of the functional modules.

Abstract: A biasing arrangement for an electronic apparatus having an input device connected by wires is disclosed. The biasing arrangement comprises a bias signal generator arranged to provide a bias voltage and a reference voltage; a flying capacitor circuitry having a first set of switches connected to said bias signal generator to selectively connecting and disconnecting the bias voltage and reference voltage, respectively, over a capacitor of the flying capacitor circuitry, and the flying capacitor circuitry further having a second set of switches to selectively connecting and disconnecting the voltage over the capacitor to an output of the flying capacitor circuitry, wherein the first and second sets of switches are not both in a connecting state at any time; and a wired connection between output of the flying capacitor circuitry and the input device of the apparatus. An electronic apparatus, a biasing method, and a computer program are also disclosed.

Abstract: An electronic terminal includes a USB antenna interface circuit and a broadcast receiver circuit. The USB antenna interface circuit is configured to be electrically connected to at least one conductive element of a USB cable that serves as an antenna for receiving a broadcast RF signal from a remote broadcast transmitter, and is configured to extract the broadcast RF signal from a RF signal present in the at least one conductive element of the USB cable. The broadcast receiver circuit is electrically connected to the USB antenna interface circuit to receive the extracted broadcast RF signal and configured to tune to a defined station signal carried by the extracted broadcast RF signal.

Abstract: An amplifier stage for generating an amplified output signal from an input signal, a mobile device comprising an audio amplifier, and an amplification method for generating an amplified output signal from an input signal using an amplifier stage are described.

Abstract: A circuit arrangement for providing an analog signal is disclosed. The circuit arrangement comprises a biasing resistor; an analog input arrangement; and a signal output, wherein the biasing resistor and the analog input arrangement are connected in series between a supply voltage and a reference voltage, and the signal output is connected such that the alternating voltage over the biasing resistor is provided as an output signal. An electronic apparatus comprising such a circuit arrangement is also disclosed.

Abstract: The present invention relates to a portable communication device arrangement comprising a main unit and an auxiliary unit. The main unit includes an electrical interface to an auxiliary unit, a ground plane dimensioned for antenna operation at a multiple of a quarter of a wavelength of a desired frequency, and a radio communication unit connected to the ground plane and to the electrical interface. The auxiliary unit comprises at least one electrical conductor to be connected to the electrical interface and including a first radio frequency trap, where the distance between the first radio frequency trap and an end of the conductor that is to be connected to the electrical interface corresponds to an odd multiple of a quarter of a wavelength of the desired frequency. The invention provides a good antenna through reuse of elements already provided in relation to a portable communication device.

Abstract: Electronic devices and wireless communication terminals include a unitary circuit board on which a radio-frequency (RF) antenna and a microphone are attached. The RF antenna includes a radiating plane and a ground plane. A feed line on the circuit board is connected to the radiating plane, and a ground line on the circuit board is connected to the ground plane. The microphone and the RF antenna are spaced apart on the circuit board by a distance of less than a half wavelength of a resonant frequency of the radiating plane. The microphone generates a microphone signal through a pair of microphone lines on the circuit board.

Abstract: The present invention relates to an antenna unit (500, 600) and a portable device (10) comprising such an antenna unit. The antenna unit (500, 600) may include at least two antenna elements (510B, 510C) forming a television antenna (600) arranged in a cable adapted for detachably connecting an auxiliary device (500) to the portable device (10). The at least two antenna elements form a dipole antenna that provides good properties over a known frequency range without requiring any additional circuitry or signal processing for the device (10) and without requiring or occupying any space within the device (10).

Abstract: A biasing arrangement for an electronic apparatus having an input device is disclosed. The biasing arrangement comprises a bias voltage generator arranged to provide a bias voltage; a bias resistor connected between the bias voltage generator and the input device; and a reference voltage point of the input device, wherein a voltage of the reference voltage point of the input device is provided to the bias voltage generator for controlling the bias voltage in relation to the voltage of the reference voltage point of the input device. An electronic apparatus is also disclosed.

Abstract: A circuit arrangement for providing an analog signal is disclosed. The circuit arrangement comprises a biasing resistor; an analog input arrangement; and a signal output, wherein the biasing resistor and the analog input arrangement are connected in series between a supply voltage and a reference voltage, and the signal output is connected such that the alternating voltage over the biasing resistor is provided as an output signal. An electronic apparatus comprising such a circuit arrangement is also disclosed.

Abstract: A biasing arrangement for an electronic apparatus having an input device connected by wires is disclosed. The biasing arrangement comprises a bias signal generator arranged to provide a bias voltage and a reference voltage; a flying capacitor circuitry having a first set of switches connected to said bias signal generator to selectively connecting and disconnecting the bias voltage and reference voltage, respectively, over a capacitor of the flying capacitor circuitry, and the flying capacitor circuitry further having a second set of switches to selectively connecting and disconnecting the voltage over the capacitor to an output of the flying capacitor circuitry, wherein the first and second sets of switches are not both in a connecting state at any time; and a wired connection between output of the flying capacitor circuitry and the input device of the apparatus. An electronic apparatus, a biasing method, and a computer program are also disclosed.

Abstract: A system provides a high-fidelity audio signal from an amplitude modulation (AM) transmission that includes an audio signal. The system receives, with a radio device, the amplitude modulation (AM) transmission, and retrieves, with the radio device, the audio signal from the amplitude modulation (AM) transmission. The system also extends, with the radio device, a high-frequency bandwidth of the audio signal to provide the high-fidelity audio signal.

Abstract: Electronic devices and wireless communication terminals include a unitary circuit board on which a radio-frequency (RF) antenna and a microphone are attached. The RF antenna includes a radiating plane and a ground plane. A feed line on the circuit board is connected to the radiating plane, and a ground line on the circuit board is connected to the ground plane. The microphone and the RF antenna are spaced apart on the circuit board by a distance of less than a half wavelength of a resonant frequency of the radiating plane. The microphone generates a microphone signal through a pair of microphone lines on the circuit board.

Abstract: The present invention relates to a portable communication device arrangement comprising a main unit and an auxiliary unit. The main unit includes an electrical interface to an auxiliary unit, a ground plane dimensioned for antenna operation at a multiple of a quarter of a wavelength of a desired frequency, and a radio communication unit connected to the ground plane and to the electrical interface. The auxiliary unit comprises at least one electrical conductor to be connected to the electrical interface and including a first radio frequency trap, where the distance between the first radio frequency trap and an end of the conductor that is to be connected to the electrical interface corresponds to an odd multiple of a quarter of a wavelength of the desired frequency. The invention provides a good antenna through reuse of elements already provided in relation to a portable communication device.

Abstract: The present invention relates to an antenna unit (500, 600) and a portable device (10) comprising such an antenna unit. The antenna unit (500, 600) may include at least two antenna elements (510B, 510C) forming a television antenna (600) arranged in a cable adapted for detachably connecting an auxiliary device (500) to the portable device (10). The at least two antenna elements form a dipole antenna that provides good properties over a known frequency range without requiring any additional circuitry or signal processing for the device (10) and without requiring or occupying any space within the device (10).