Patents Assigned to Vishay Electronic GmbH
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Patent number: 11302462Abstract: A method of manufacturing resistor units that each comprise a carrier comprising resistor elements including ends with a respective first and second electrical terminal is disclosed. The method includes: a) providing a carrier plate; b) forming strips of a resistor material at the lower side of the carrier plate in a regular pattern such that a respective row of strips of the resistor material is formed along a longitudinal direction; c) forming a plurality of zones of an electrically conductive material at the lower side of the carrier plate in a regular pattern such that a respective row of zones of the electrically conductive material is formed along the longitudinal direction; and d) cutting through the carrier plate by regular transverse incisions, first longitudinal incisions, and second longitudinal incisions such that a respective resistor unit and a respective residual section are alternately formed along a transverse direction.Type: GrantFiled: June 12, 2019Date of Patent: April 12, 2022Assignee: VISHAY ELECTRONIC GMBHInventors: Bertram Schott, Ondrej Sobora, Kerstin Tillmann
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Publication number: 20210383974Abstract: A film capacitor preferably includes a single film capacitor layer wound around itself in adjacent layers to form a winding. The film capacitor layer preferably includes a dielectric film, a first metallization layer formed on the dielectric film, a dielectric coating formed on the first metallization layer, and a second metallization layer formed on the dielectric coating. A metallic contact layer is preferably formed on an outer edge of the winding. A terminal is preferably formed on an outer edge of the metallic contact layer. An insulating material preferably encapsulates the winding, the metallic contact layer, and a portion of the terminal. The capacitor as self-healing properties. Further, the border of the electrodes may be wave-cut. Further, an insulating gap may be added between the border and the upper electrode.Type: ApplicationFiled: October 2, 2019Publication date: December 9, 2021Applicant: VISHAY ELECTRONIC GMBHInventor: Geert STEVENS
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Publication number: 20210272724Abstract: A method of manufacturing resistor units that each comprise a carrier comprising resistor elements including ends with a respective first and second electrical terminal is disclosed. The method includes: a) providing a carrier plate; b) forming strips of a resistor material at the lower side of the carrier plate in a regular pattern such that a respective row of strips of the resistor material is formed along a longitudinal direction; c) forming a plurality of zones of an electrically conductive material at the lower side of the carrier plate in a regular pattern such that a respective row of zones of the electrically conductive material is formed along the longitudinal direction; and d) cutting through the carrier plate by regular transverse incisions, first longitudinal incisions, and second longitudinal incisions such that a respective resistor unit and a respective residual section are alternately formed along a transverse direction.Type: ApplicationFiled: June 12, 2019Publication date: September 2, 2021Applicant: Vishay Electronic GMBHInventors: Bertram SCHOTT, Ondrej SOBORA, Kerstin TILLMANN
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Patent number: 10883179Abstract: The present invention relates to a method of producing a negative temperature coefficient resistor (NTCR) sensor, the method comprising the steps of: providing a mixture comprising uncalcined powder and a carrier gas in an aerosol-producing unit, with the uncalcined powder comprising metal oxide components; forming an aerosol from said mixture and said carrier gas and accelerating said aerosol in a vacuum towards a substrate arranged in a deposition chamber; forming a film of the uncalcined powder of said mixture on said substrate; and transforming the film into a layer of spinel-based material by applying a heat treatment step.Type: GrantFiled: May 3, 2018Date of Patent: January 5, 2021Assignee: VISHAY ELECTRONIC GMBHInventors: Jaroslaw Kita, Ralf Moos, Christian Münch, Véronique Poulain, Michaela Schubert, Sophie Schuurman
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Patent number: 10854360Abstract: A power resistor comprises a tubular housing composed of metal and a resistor element received therein, wherein the housing has four side walls that extend along a longitudinal axis of the housing between two ends and define a rectangular cross-section. The housing comprises four edges of the four side walls at at least one of the two ends. Two of the four side walls have a respective incision at their edges for introducing a fastening element and the two other side walls have a respective clearance in alignment with the oppositely disposed incision to facilitate a placement of a tool at a fastening element introduced into the respective incision.Type: GrantFiled: June 15, 2018Date of Patent: December 1, 2020Assignee: VISHAY ELECTRONIC GMBHInventors: Matthias Dressler, Bertram Schott
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Publication number: 20200173031Abstract: The present invention relates to a method of producing a negative temperature coefficient resistor (NTCR) sensor, the method comprising the steps of: providing a mixture comprising uncalcined powder and a carrier gas in an aerosol-producing unit, with the uncalcined powder comprising metal oxide components; forming an aerosol from said mixture and said carrier gas and accelerating said aerosol in a vacuum towards a substrate arranged in a deposition chamber; forming a film of the uncalcined powder of said mixture on said substrate; and transforming the film into a layer of spinel-based material by applying a heat treatment step.Type: ApplicationFiled: May 3, 2018Publication date: June 4, 2020Applicant: VISHAY ELECTRONIC GMBHInventors: Jaroslaw KITA, Ralf MOOS, Christian MÜNCH, Véronique POULAIN, Michaela SCHUBERT, Sophie SCHUURMAN
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Publication number: 20200152360Abstract: A power resistor comprises a tubular housing composed of metal and a resistor element received therein, wherein the housing has four side walls that extend along a longitudinal axis of the housing between two ends and define a rectangular cross-section. The housing comprises four edges of the four side walls at at least one of the two ends. Two of the four side walls have a respective incision at their edges for introducing a fastening element and the two other side walls have a respective clearance in alignment with the oppositely disposed incision to facilitate a placement of a tool at a fastening element introduced into the respective incision.Type: ApplicationFiled: June 15, 2018Publication date: May 14, 2020Applicant: VISHAY ELECTRONIC GMBHInventors: Matthias DRESSLER, Bertram SCHOTT
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Patent number: 9277608Abstract: A circuit for operating a light-emitting diode assembly, wherein the light-emitting diode assembly comprises a plurality of strands connected in parallel of one or more light-emitting diodes which are arranged in series and through which in the operational state a particular partial current of an operating current flowing through the light-emitting diode assembly flows, comprises a current source for providing the operating current. The circuit is designed to detect the greatest partial current and to control an operational value provided by the partial current source on the basis of said greatest partial current such that none of the partial currents exceeds a predetermined maximum current.Type: GrantFiled: April 21, 2010Date of Patent: March 1, 2016Assignee: Vishay Electronic GmbHInventor: Mustafa Dinc
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Patent number: 9117575Abstract: An electric power resistor has a stack of a plurality of resistor plates of metal. Each resistor plate has at least one meandering structure which is formed by a plurality of alternately mutually connected transverse webs. Resistor plates following one another in the stack direction are rotated by 90° with respect to one another.Type: GrantFiled: December 1, 2011Date of Patent: August 25, 2015Assignee: Vishay Electronic GmbHInventors: Bertram Schott, Otto Hampl
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Patent number: 9000346Abstract: An illumination unit for illuminating large surfaces comprises a carrier device (11), to which a plurality of light emitting diodes (13) is fastened in a two-dimensional arrangement. A plurality of separate reflector elements (17) is fastened to the carrier device between the light emitting diodes.Type: GrantFiled: January 27, 2010Date of Patent: April 7, 2015Assignee: Vishay Electronic GmbHInventors: Mustafa Dinc, Harald Lunt, Franz X. Rettenmeier, Jörg Angerstein
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Publication number: 20130328660Abstract: An electric power resistor has a stack of a plurality of resistor plates of metal. Each resistor plate has at least one meandering structure which is formed by a plurality of alternately mutually connected transverse webs. Resistor plates following one another in the stack direction are rotated by 90° with respect to one another.Type: ApplicationFiled: December 1, 2011Publication date: December 12, 2013Applicant: VISHAY ELECTRONIC GmbHInventors: Bertram Sshott, Otto Hampl
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Publication number: 20120169231Abstract: A circuit arrangement for operating at least one light emitting diode, in particular for a motor vehicle, includes: a communications device which is connectable to a data bus and which is adapted for receiving control signals from the data bus; a control device connected to the communications device; and a control circuit connected to the control device for the clocked control of a switching regulator which is adapted for providing an operating current for operating the light emission diode, with the control device being adapted for controlling the control circuit on the basis of the control signals received by the communications device.Type: ApplicationFiled: November 3, 2011Publication date: July 5, 2012Applicant: VISHAY ELECTRONIC GMBHInventors: Mustafa Dinc, Norbert Pieper
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Patent number: 8191555Abstract: The invention relates to a heating device (9), for a mobile inhalation unit for the inhalation of active agents, comprising a heating wire (15), with two connector ends (23, 31) for the introduction of electrical energy and a thermal reservoir (13, 17) for heating air flowing along the thermal reservoir, whereby the thermal reservoir may be heated by means of the heating wire. The heating wire has a temperature coefficient of at least 0.001 K?1. The invention further relates to an inhalation unit with such a heating device and a method for heating a thermal reservoir on such a heating device.Type: GrantFiled: December 16, 2005Date of Patent: June 5, 2012Assignee: Vishay Electronic GmbHInventors: Ernst Herbrich, Otto Hampl, Norbert Pieper
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Publication number: 20120112647Abstract: A circuit for operating a light-emitting diode assembly, wherein the light-emitting diode assembly comprises a plurality of strands connected in parallel of one or more light-emitting diodes which are arranged in series and through which in the operational state a particular partial current of an operating current flowing through the light-emitting diode assembly flows, comprises a current source for providing the operating current. The circuit is designed to detect the greatest partial current and to control an operational value provided by the partial current source on the basis of said greatest partial current such that none of the partial currents exceeds a predetermined maximum current.Type: ApplicationFiled: April 21, 2010Publication date: May 10, 2012Applicant: VISHAY ELECTRONIC GMBHInventor: Mustafa Dinc
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Publication number: 20120026737Abstract: The invention relates to an outdoor lighting unit for lighting streets, pavements, industrial grounds, and the like, comprising one LED light source which includes several light emitting diodes in a two-dimensional array, and a housing. The housing has a single-piece solid housing element, which has at least one planar assembly section on an underside, on which a backside of the LED light source is arranged in heat-conducting connection in a planar manner. The housing element further has on said underside a circumferential wall section, which projects downwardly from the plane of the assembly section. Further, the housing element comprises an exposed cooling section on an upper side, which is convexly curved and has several cooling channels, which extend along the convex curvature. The housing element also comprises a holding portion, by means of which the lighting unit can be secured to a holding device in a self-supporting manner.Type: ApplicationFiled: March 30, 2010Publication date: February 2, 2012Applicant: VISHAY ELECTRONIC GMBHInventors: Mustafa Dinc, Norbert Pieper, Gerd Schnorrenberg
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Publication number: 20120018623Abstract: An illumination unit for illuminating large surfaces comprises a carrier device (11), to which a plurality of light emitting diodes (13) is fastened in a two-dimensional arrangement. A plurality of separate reflector elements (17) is fastened to the carrier device between the light emitting diodes.Type: ApplicationFiled: January 27, 2010Publication date: January 26, 2012Applicant: Vishay Electronic GmbhInventors: Mustafa Dinc, Harald Lunt, Franz X. Rettenmeier, Jörg Angerstein
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Publication number: 20110164439Abstract: A high voltage controller configured to drive a high voltage generator. The high voltage controller includes a voltage select input and a current select input, an actual voltage input and an actual current input. First circuitry is configured to generate an alternating current (AC) drive signal. Second circuitry configured to generate a direct current (DC) drive signal. Closed loop control circuitry is configured to adjust the DC drive signal based on at least one of the voltage select and current select inputs and at least one of the actual voltage and actual current inputs. The first circuitry may include a push-pull circuit. The second circuitry may include a pulse width modulation (PWM) controller. A high voltage generator may be coupled to the AC and DC drive signals. The high voltage generator may include a high voltage transformer having a pair of primary windings and center tap. The AC drive signal may be coupled to the primary windings and the DC drive signal may be coupled to the center tap.Type: ApplicationFiled: December 6, 2010Publication date: July 7, 2011Applicant: Vishay Electronic GmbHInventors: Farhad Berton, Josef Braun
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Publication number: 20090095312Abstract: The invention relates to a heating device (9), for a mobile inhalation unit for the inhalation of active agents, comprising a heating wire (15), with two connector ends (23, 31) for the introduction of electrical energy and a thermal reservoir (13, 17) for heating air flowing along the thermal reservoir, whereby the thermal reservoir may be heated by means of the heating wire. The heating wire has a temperature coefficient of at least 0.001 K?1. The invention further relates to an inhalation unit with such a heating device and a method for heating a thermal reservoir on such a heating device.Type: ApplicationFiled: December 16, 2005Publication date: April 16, 2009Applicant: Vishay Electronic GmbhInventors: Ernst Herbrich, Otto Hampl, Norbert Pieper
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Patent number: 6212058Abstract: In a power capacitor with a plurality of round, wound elements accommodated in a common housing at least one wound element group consisting of three round, wound elements is accommodated in the housing, with the wound elements of the group being arranged in star-form alongside one another, with their axes parallel to one another. The housing has in cross-section in general the shape of a triangle having rounded corners, with a radius of curvature which corresponds at least substantially to the radius of the round, wound elements.Type: GrantFiled: March 30, 1999Date of Patent: April 3, 2001Assignee: Vishay Electronic GmbHInventor: Robert Huber