Abstract: A method is provided for producing an electrochemically active unit that includes a membrane and at least one assembly, which includes a gas diffusion layer and a sealing element produced on the gas diffusion layer. The method is reliably performable with less expenditure on process apparatuses and process time and includes the following: producing the sealing element on the gas diffusion layer; connecting the sealing element and/or the gas diffusion layer to a support element; and assembling the membrane and the at least one assembly, which includes the gas diffusion layer and the sealing element, to form the electrochemically active unit.

Abstract: An assembly for an electrochemical device is provided, including a gas diffusion layer and a sealing element produced on the gas diffusion layer. The sealing element includes an inner sealing region fixed to the gas diffusion layer and an outer sealing region connected to the gas diffusion layer via the inner sealing region. The assembly has minimal warpage without the temperature in the injection molding tool having to be lowered and/or a geometric pre-compensation of the warpage of the sealing element in the inner sealing region. The sealing element includes a relief region arranged between the inner and outer sealing regions and a) includes a relief opening extending through the sealing element and/or b) has a smallest height (he), which is smaller than both one fourth of the greatest height (HI) of the inner sealing region and one fourth of the greatest height (HA) of the outer sealing region.

Abstract: A housing for a spark plug. The housing includes a bore along the longitudinal axis X of the housing, as the result of which the housing has an outer side and an inner side, and an electroplated or chemically applied nickel-containing protective layer situated on at least one portion of the outer side of the housing and a sealing layer situated on the nickel-containing protective layer. The sealing layer contains silicon. A first intermediate layer is applied between the housing and the nickel-containing protective layer and/or a second intermediate layer is applied between the nickel-containing protective layer and the sealing layer and/or a cover layer is applied on the sealing layer. The sealing layer may be free of chromium.

Abstract: A housing for a spark plug. The housing includes a bore along the longitudinal axis X of the housing, as the result of which the housing has an outer side and an inner side, and an electroplated or chemically applied nickel-containing protective layer situated on at least one portion of the outer side of the housing and a sealing layer situated on the nickel-containing protective layer. The sealing layer contains silicon. A first intermediate layer is applied between the housing and the nickel-containing protective layer and/or a second intermediate layer is applied between the nickel-containing protective layer and the sealing layer and/or a cover layer is applied on the sealing layer. The sealing layer may be free of chromium.

Abstract: In accordance with an embodiment, a method, includes operating a power converter that comprises an electronic switch connected in series with an inductor in one of a first operation mode and a second operation mode. Operating the power converter in each of the first operation mode and the second operation mode includes driving the electronic switch in a plurality of successive drive cycles based on drive parameter. Each of the plurality of drive cycles includes an on-time in which the electronic switch is switched on and an off-time in which the electronic switch is switched off.

Abstract: In accordance with an embodiment, a method, includes operating a power converter that comprises an electronic switch connected in series with an inductor in one of a first operation mode and a second operation mode. Operating the power converter in each of the first operation mode and the second operation mode includes driving the electronic switch in a plurality of successive drive cycles based on drive parameter. Each of the plurality of drive cycles includes an on-time in which the electronic switch is switched on and an off-time in which the electronic switch is switched off.

Abstract: A noise detection circuit 100 for a power supply, the noise detection circuit 100 comprising: an impedance element 110 connected to a line 104 for carrying a power supply current having a noise signal component, the noise signal comprising a common mode noise signal and a differential mode noise signal; a filter element 112 coupled to the impedance element 110 and configured to suppress the differential mode noise signal in the noise detection circuit 110; and an evaluation circuit 140 coupled to the impedance element 110 or the filter element 112 and arranged to sense the common mode noise signal and provide an output representative of the common mode noise signal.

Abstract: A noise filter circuit uses open loop signal processing to process the signal that causes the noise and generate a signal to be fed back into the system to cancel noise currents.

Abstract: A common mode noise sensor with a single amplification path is disclosed. The common mode noise sensor includes first and second terminals for receiving respective first and second signals from a power supply, an amplifier stage connected to the first and second terminals and having an output and a resistor network connected to the amplifier stage. The resistor network is arranged such that the output of the amplifier stage is configured to provide an output signal in which a differential mode noise in the first and second signals is suppressed in preference to a common mode noise in the first and second signals.

Abstract: The present invention relates to a noise sensor for an alternating or direct current power supply. The sensor comprises a noise sensing unit and a noise separator. The noise separator is configured to receive first, second and third input signals and provide a first output signal representative of the common mode noise and a second output signal representative of the differential mode noise. The noise sensing unit comprises a first capacitive element, a second capacitive element, a first resistive element and a second resistive element.

Abstract: A filter device has a filter element arranged in a filter housing. The filter device has additionally an adsorber element that adsorbs hydrocarbons. The adsorber element is arranged in a separate adsorber housing connected to the filter housing.

Abstract: A noise detection circuit 100 for a power supply, the noise detection circuit 100 comprising: an impedance element 110 connected to a line 104 for carrying a power supply current having a noise signal component, the noise signal comprising a common mode noise signal and a differential mode noise signal; a filter element 112 coupled to the impedance element 110 and configured to suppress the differential mode noise signal in the noise detection circuit 110; and an evaluation circuit 140 coupled to the impedance element 110 or the filter element 112 and arranged to sense the common mode noise signal and provide an output representative of the common mode noise signal.

Abstract: The invention relates to methods of controlling operation of a resonant power converter and to controllers configured to operate according to such methods. Embodiments disclosed include a method of controlling a power output of a resonant power converter comprising first and second switches (S1, S2) connected in series between a pair of supply voltage lines, a resonant circuit connected to a node between the first and second switches and to an output connectable to an output electrical load, the resonant circuit comprising an inductor and a capacitor, the method comprising: closing the first switch (S1) to start a first conduction interval; setting a first voltage level (902); setting a first time period; and opening the first switch (S1) to end the first conduction interval when a voltage (901) across the capacitor crosses the first voltage level (902) and when a time period from closing the first switch exceeds the first time period (904).

Abstract: A common mode noise sensor with a single amplification path is disclosed. The common mode noise sensor includes first and second terminals for receiving respective first and second signals from a power supply, an amplifier stage connected to the first and second terminals and having an output and a resistor network connected to the amplifier stage. The resistor network is arranged such that the output of the amplifier stage is configured to provide an output signal in which a differential mode noise in the first and second signals is suppressed in preference to a common mode noise in the first and second signals.

Abstract: A promoter with an organ-specific activity in plants. The promoter is characterized in that it exhibits greater activity in the storage organs of plants than in other organs of said plants and that the promoter activity is modified after the harvest of the storage organs and is greater than prior to said harvest.

Abstract: A filter device has a filter element arranged in a filter housing. The filter device has additionally an adsorber element that adsorbs hydrocarbons. The adsorber element is arranged in a separate adsorber housing connected to the filter housing.

Abstract: The present invention relates to a noise sensor for an alternating or direct current power supply. The sensor comprises a noise sensing unit and a noise separator. The noise separator is configured to receive first, second and third input signals and provide a first output signal representative of the common mode noise and a second output signal representative of the differential mode noise. The noise sensing unit comprises a first capacitive element, a second capacitive element, a first resistive element and a second resistive element.

Abstract: The invention relates to methods of controlling operation of a resonant power converter and to controllers configured to operate according to such methods. Embodiments disclosed include a method of controlling a power output of a resonant power converter comprising first and second switches (S1, S2) connected in series between a pair of supply voltage lines, a resonant circuit connected to a node between the first and second switches and to an output connectable to an output electrical load, the resonant circuit comprising an inductor and a capacitor, the method comprising: closing the first switch (S1) to start a first conduction interval; setting a first voltage level (902); setting a first time period; and opening the first switch (S1) to end the first conduction interval when a voltage (901) across the capacitor crosses the first voltage level (902) and when a time period from closing the first switch exceeds the first time period (904).

Abstract: A method configures, in a semi-automatic manner, a communication device, connected to a packet-switched network, especially Internet, for communication with another, especially remote, subscriber. For this purpose, configuration data are provided on a configuration/software update server and are retrieved by the user of the device according to the user-specific or device-specific conditions by selecting from at least two types of inquiry data characterizing the conditions, e.g. inquiry data containing first country information items and second inquiry data containing second Internet service provider information items, and determination data.

Abstract: A noise filter circuit uses open loop signal processing to process the signal that causes the noise and generate a signal to be fed back into the system to cancel noise currents.