Patents Assigned to Flextronics AP, LLC
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Patent number: 7755914Abstract: A power supply apparatus and method of regulating is provided. A converter circuit includes a primary switching element and an auxiliary switching element. The auxiliary switching element is for transferring a reflected voltage signal. A transformer includes a primary and a secondary, the primary is coupled with the converter circuit. The primary and secondary each include a single winding. An output rectifier circuit is coupled with the secondary of the transformer. A resonant circuit is included in the converter circuit and is coupled with the primary. The resonant circuit includes one or more resonance capacitors that are configured for providing a transformer resonance. The transformer resonance comprises the reflected voltage signal, the capacitance of the one or more resonance capacitors and a parasitic capacitance of the transformer. The reflected voltage signal is reflected from the secondary to the primary.Type: GrantFiled: March 27, 2008Date of Patent: July 13, 2010Assignee: Flextronics AP, LLCInventors: Mark Telefus, Farza Bob Roohparvar
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Patent number: 7746040Abstract: An input current shaping AC to DC converter with PFC front end that reduces input current harmonics is provided. In one embodiment, an AC to DC converter connectable with an alternating current source and operable to output a direct current has a PFC front end followed by a DC/DC converter. The PFC front end reduces harmonic components present in an input current waveform received by the PFC front end from the alternating current source and includes current steering circuitry and, optionally, valley filling circuitry. The DC/DC converter is one that presents pure resistive input impedance to the PFC front end. The DC/DC converter outputs the direct current to a load connected thereto.Type: GrantFiled: April 11, 2008Date of Patent: June 29, 2010Assignee: Flextronics AP, LLCInventors: Paul Garrity, Zaohong Yang
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Publication number: 20100156846Abstract: A touch screen sensor assembly that includes a single substrate. In one embodiment, the assembly includes a first patterned transparent conductive layer (e.g., indium tin oxide) disposed on top of the substrate. The assembly also includes a second patterned transparent conductive layer disposed over the first conductive layer, with a layer of silicon oxide disposed therebetween. The silicon oxide layer functions to electrically isolate the first and second conductive layers, thereby eliminating the need for two substrates or a single substrate having transparent conductive layers on each of its top and bottom surfaces. The assembly may also be connectable to a single, non-bifurcated flexible printed circuit operative to connect the assembly to a controller.Type: ApplicationFiled: December 18, 2009Publication date: June 24, 2010Applicant: Flextronics AP, LLCInventors: Ding Hua Long, Hai Long Zhang, Hai Hui Zhang
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Patent number: 7715129Abstract: A method for aligning and assembling two lens pieces, and a machine to accomplish this task are provided. In one example of the method, the method includes holding an upper lens above a lower lens, holding the lower lens in a horizontal position, lowering the upper lens into a contact position with the lower lens, and allowing the upper lens to self-align to a top surface of the lower lens.Type: GrantFiled: July 28, 2006Date of Patent: May 11, 2010Assignee: Flextronics AP, LLCInventors: Ron Neely, Vidyadhar Kale
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Patent number: 7701714Abstract: Provided herein are hybrid-cooled electronics chassis and boards. Such boards may be plugged in a chassis and connected to a common liquid-cooling loop shared by two or more of the boards inside that chassis. Liquid cooling conduits between the electronics board/module and the chassis are engaged and disengaged with little or no manual intervention. For instance, the connections between such cooling conduits may utilize quick coupling connectors that allow for automatic or near automatic engagement and disengagement upon the engagement of the electronics board/module with the electronics chassis. In one arrangement, a chassis includes a base portion that has a fan, liquid cooling system and heat exchanger mounted thereon. An electronics module is selectively engageable with the base portion in a manner to have air displaced across the electronics module when engaged as well establish liquid flow through the electronics module when engaged.Type: GrantFiled: January 16, 2007Date of Patent: April 20, 2010Assignee: Flextronics AP, LLCInventor: Younes Shabany
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Patent number: 7692932Abstract: The devices and methods herein provide ground for computer cards inserted into a computer card chassis (e.g., VME chassis, CompactPCI chassis, ATCA chassis, etc.). A resilient clip may be configured with a chassis member of the computer card chassis. The clip is affixed to the computer card chassis and maintains contact with a ground plane, such as an ESD shield. The clip may have a self locking mechanism which insurers that the clip resides at a fixed position with the chassis member. A computer card may then be inserted into the computer card chassis and thereby make contact with the resilient clip. The computer card may include a ground pin which inserts through an aperture within the chassis member to make contact with the resilient clip. Accordingly, the inserted computer card may be provided with ESD protection as well as a ground reference potential from the computer card chassis.Type: GrantFiled: March 16, 2007Date of Patent: April 6, 2010Assignee: Flextronics AP, LLCInventors: Steve Bisbikis, Steve Koo, Todd Collis
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Publication number: 20100061123Abstract: A power converter includes a transformer, a primary switch, an auxiliary switch, first and second resonance capacitors, and a secondary side rectification means. A switch mode power supply is formed to use reflected voltage and parasitic capacitance as an energy source for a transformer resonance. The auxiliary switch effectively exchanges energy between the primary inductance of the transformer and the first and second resonant capacitors. The auxiliary switch effectively switches the transformer resonance between two distinct frequencies. In one embodiment of the invention, the power converter can be, but is not limited to, a flyback converter and further includes a comparator and a driver. The comparator is for detecting the voltage across the second resonance capacitor and the driver is configured to drive the auxiliary switch based on the output state of the comparator. The resonant nature of the converter provides zero voltage (ZVS) for the primary switch as well as for the auxiliary switch.Type: ApplicationFiled: November 17, 2009Publication date: March 11, 2010Applicant: Flextronics AP, LLCInventors: Arian Jansen, Mark Telefus, Bahman Sharifipour
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Publication number: 20100026659Abstract: A capacitive touch screen panel includes top and bottom ITO coated glass sheets that may both be connected to detection electronics (e.g., a controller) by way of a single, normal flexible printed circuit connector. The ITO coated surface of each of the top and bottom glass sheets may face each other and a transparent material such as an optically clear adhesive may be disposed between the top and bottom glass sheets. In some embodiments, a number of spacers may be disposed between the top and bottom glass sheets to maintain a desired gap between the sheets. In other embodiments, the single, normal flexible printed circuit connector may generally reside in a single plane.Type: ApplicationFiled: July 13, 2009Publication date: February 4, 2010Applicant: Flextronics AP, LLCInventors: Ding Hua Long, Hai Hui Zhang, Hai Long Zhang
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Patent number: 7649254Abstract: A structure is disclosed for connecting an electrically-connectable metal stiffener to a ground connection within a flexible substrate, the stiffener comprising nickel-gold plated stainless steel. In one embodiment the stiffener is secured to the flexible substrate by a non-conducting adhesive which includes an opening over a ground connection, the adhesive opening being filled by a conductive epoxy. A sequence for applying the disclosed materials discloses a method for attaching the stiffening structure to the flexible substrate.Type: GrantFiled: May 1, 2006Date of Patent: January 19, 2010Assignee: Flextronics AP, LLCInventors: Bhret Graydon, Steve Frandrup
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Patent number: 7650173Abstract: An antenna module on a vehicle having an antenna for receiving satellite radio signals and an antenna for receiving GPS signals. The two antennas may or may not be on a common ceramic substrate. Either of the two antennas may be a ceramic patch antenna or a helical antenna. The respective signals from each of the antenna as is amplified by a low noise amplifier, filtered, and then combined onto a single conductor and amplified prior to being provided on a single conductor routed through the vehicle to a remotely-located pair of receivers.Type: GrantFiled: October 5, 2006Date of Patent: January 19, 2010Assignee: Flextronics AP, LLCInventors: Hamid Samavati, Lars Olof Petersson
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Patent number: 7623301Abstract: Systems for positioning a functional element, such as an optical lens, include a housing, a primary guide pin coupled to the housing, a functional group that includes the functional element, and a vibrational actuator assembly. The functional group is movably coupled with the primary guide pin and includes a first friction surface and a second friction surface. The first and second friction surfaces are oriented relative to one another at one of an obtuse angle and a straight angle. The vibrational actuator assembly is substantially registered relative to the housing and includes a first drive element and a second drive element. The first drive element is configured to interact with the first friction surface and the second drive element is configured to interact with the second friction surface. The vibrational actuator assembly operates to translate the functional group.Type: GrantFiled: October 8, 2008Date of Patent: November 24, 2009Assignee: Flextronics, AP LLCInventors: Lothar Westerweck, Wolfram Grziwa
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Patent number: 7589978Abstract: An air inlet diffuser 10 is disclosed for attachment relative to an air inlet opening 106 of an electronics enclosure 100. The diffuser 10 extends into the electronics enclosure 100 and provides an increased surface area through which EMI attenuating apertures may be formed. The diffuser 10 also reduces the amount of structure that is disposed within the air inlet opening 106 thereby reducing impedance to airflow through the opening 106 into the enclosure 100. The increased surface are of the diffuser 10 allows for increasing the number of EMI attenuating apertures that may be utilized for a given inlet opening 106. In one embodiment, the total open area of the EMI apertures is greater than the open area of the air inlet opening. In such an embodiment, the EMI apertures provide low impedance to airflow through the diffuser 10 and increased airflow in conjunction with EMI attenuation may be realized.Type: GrantFiled: November 16, 2005Date of Patent: September 15, 2009Assignee: Flextronics AP, LLCInventors: Paul Holdredge, James R. Hamstra
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Patent number: 7590505Abstract: Embodiments of the present invention relate to systems and methods of position sensing that use a sensing target with a pattern of features thereupon, and to positioning modules and systems that position functional elements using such position sensing systems. A position sensing system includes an encoding module and a processing module. The encoding module has an active encoding region through which the sensing target is configured to move. Further, the encoding module is configured to generate a signal based on a portion of the sensing target within the active encoding region. The active encoding region has a dimension greater than the average critical dimension of the pattern of features. The processing module is configured to convert the signal generated into a position data based on an input range condition and an initial position condition.Type: GrantFiled: August 3, 2007Date of Patent: September 15, 2009Assignee: Flextronics AP, LLCInventors: Wolfram Grziwa, Lothar Westerweck, Klaus Raschke
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Patent number: 7580209Abstract: Systems for positioning a functional element, such as an optical lens, include a housing, a primary guide pin coupled to the housing, a functional group that includes the functional element, and a vibrational actuator assembly. The functional group is movably coupled with the primary guide pin and includes a first friction surface and a second friction surface. The first and second friction surfaces are oriented relative to one another at one of an obtuse angle and a straight angle. The vibrational actuator assembly is substantially registered relative to the housing and includes a first drive element and a second drive element. The first drive element is configured to interact with the first friction surface and the second drive element is configured to interact with the second friction surface. The vibrational actuator assembly operates to translate the functional group.Type: GrantFiled: August 17, 2007Date of Patent: August 25, 2009Assignee: Flextronics AP, LLCInventors: Lothar Westerweck, Wolfram Grziwa
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Patent number: 7573011Abstract: An optical module includes a first optics group, a second optics group, and an image sensor, wherein the first optics group and second optics group are configured to provide an image having a focus and a magnification to the image sensor. In some embodiments of the present invention, a first optics assembly includes a first optics group coupled to a threaded portion of a first lead screw so that translation of the first lead screw results in translation of the first optics group along an axis of the first lead screw, a first actuator for rotating the first lead screw; and a first sensing target configured to permit detection of rotation of the first lead screw.Type: GrantFiled: August 3, 2007Date of Patent: August 11, 2009Assignee: Flextronics AP, LLCInventors: Lothar Westerweck, Wolfram Grziwa, Klaus Raschke, Alexander Raschke, John Toor
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Patent number: 7564411Abstract: A frequency tunable internal antenna includes a substantially planar radiating element with a feed point and a switching element all coupled to the radiating element. The radiating element includes a plurality of slots configured to form a first branch and a second branch within the radiating element. The plurality of slots are configured relative to the feed point such that in operation the first branch acts as a first resonator having a first native electrical length and the second branch acts as a second resonator having a second native electrical length. The switching element is configurable in a first position and a second position, where in the first position the switching element connects to a portion of the first branch to decrease the electrical length of the first resonator, and in the second position the switching element connects to a portion of the second branch to decrease the electrical length of the second resonator.Type: GrantFiled: March 28, 2007Date of Patent: July 21, 2009Assignee: Flextronics AP, LLCInventors: Mika Piisila, Mauri Suvanto
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Patent number: 7563130Abstract: A variety of arrangements for management of DC power cords in AC-to-DC power converters. These arrangements include a frame for wrapping the cord around, in which the AC power plug may or may not be pivotably attached to the frame. The AC-to-DC power conversion circuitry may be miniaturized and contained within either the AC power plug or the frame. In addition, other arrangements include a retractable reel for the DC power cord that may be located within the frame or within the AC power plug.Type: GrantFiled: May 23, 2006Date of Patent: July 21, 2009Assignee: Flextronics AP, LLCInventors: Karin M. Farrar, Steve I. Hwang, Mark Telefus
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Patent number: 7531773Abstract: An optical module includes a first optics group, a second optics group, and an image sensor, wherein the first optics group and second optics group are configured to provide an image having a focus and a magnification to the image sensor. In some embodiments of the present invention, a first optics assembly includes a first optics group coupled to a threaded portion of a first lead screw so that rotation of the first lead screw results in translation of the first optics group along an axis of the first lead screw, a first actuator for rotating the first lead screw; and a first sensing target configured to permit detection of rotation of the first lead screw.Type: GrantFiled: September 1, 2006Date of Patent: May 12, 2009Assignee: Flextronics AP, LLCInventors: Lothar Westerweck, Wolfram Grziwa, Russel L. Moore
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Patent number: 7508606Abstract: A method for aligning the upper and lower centering bells of a lens doublet assembly machine is provided. In one example of the method, the method includes positioning an alignment tool with respect to a base plate of the lens doublet aligning apparatus; positioning an upper bell shaft with respect to the alignment tool, wherein the upper bell shaft includes an upper bell chuck at a lower end of the upper bell shaft; and tightening flexural bearings around an outer radial edge of the upper bell shaft, wherein the flexural bearings precisely hold the upper bell shaft into perpendicular alignment in the lens doublet aligning apparatus.Type: GrantFiled: July 28, 2006Date of Patent: March 24, 2009Assignee: Flextronics AP LLCInventor: Ron Neely
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Patent number: 7482984Abstract: An antenna for use in a relatively small confined space, such as a mobile phone, is provided. In one example, the antenna includes a feeding arm having an end coupled to a feeding contact; and a grounded arm having an end coupled to a ground contact, wherein the feeding arm and the grounded arm are bent to conform to the relatively small confined volume. The relatively small confined volume can be internal space of a mobile communication device. The mobile communication device can be a mobile phone, for example.Type: GrantFiled: December 22, 2006Date of Patent: January 27, 2009Assignee: Flextronics AP, LLCInventors: Kent Rosengren, Joacim Rylander