Patents Examined by Tsz Chan
  • Patent number: 9111676
    Abstract: A parallel stacked symmetrical and differential inductor and manufacturing method of the same is disclosed. The parallel stacked symmetrical and differential inductor is disposed on a substrate and comprises at least one first conductive layer (202, 204) disposed on an insulating layer and at least one subsequent conductive layer (206, 208) disposed on a plurality of insulating layers stacked under the at least one first conductive layer (202, 204). The at least one first conductive layer (202, 204) and each of the at least one subsequent conductive layer (206, 208) are electrically connected by a first plurality of conductive plugs (214) in a winding region (104). Each of the at least one subsequent conductive layer (206, 208) are electrically connected by a second plurality of conductive plugs (212) in a bridge region (102).
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: August 18, 2015
    Assignee: Silterra Malaysia Sdn. Bhd.
    Inventors: Chun Lee Ler, Mohd Hafis Mohd Ali, Yusman Yusof, Subhash Chander Rustagi
  • Patent number: 9105391
    Abstract: Disclosed herein are various embodiments of coil transducers configured to provide high voltage isolation and high voltage breakdown performance characteristics in small packages. A coil transducer is provided through and across which data or power signals may be transmitted and received by primary and secondary coils disposed on opposing sides thereof without high voltage breakdowns occurring therebetween. A central core layer separates the transmitting and receiving coils, and has no vias disposed therethrough. At least portions of the coil transducer are formed of an electrically insulating, non-metallic, non-semiconductor, low dielectric loss material.
    Type: Grant
    Filed: February 12, 2009
    Date of Patent: August 11, 2015
    Assignee: Avago Technologies General IP (Singapore) Pte. Ltd.
    Inventors: Julie E. Fouquet, Gary R. Trott, Clark F. Webster
  • Patent number: 9105390
    Abstract: An improved structure of transformer includes a lead frame main body (1), a lead frame cover (2), a trouser-like flap (3), and two iron cores (4) where the lead frame main body (1) has a penetration hole (11) with a bobbin (12) formed at the circumference there around. The trouser-like flap (3) being made of metal has a hollow part (31) for slipping on a bobbin (121) of the lead frame main body (1) also includes horizontally stretched thigh parts (32), (33). The outer circumference of the trouser-like flap (3) is furnished with a primary winding (123). The lead frame cover (2) being a sheet-shaped body has a hollow hole (21) furnished at the center thereof. On the inner-side surface, each of the two iron core (4) has a main core part (41) capable of stretching through the penetration hole (11) of the lead frame main body (1) where the main core part (41) has a containing circumferential trench (43) capable of containing the lead frame main body (1).
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: August 11, 2015
    Assignee: Yujing Technology Co., Ltd.
    Inventor: Sen-Tai Yang
  • Patent number: 9105392
    Abstract: An improved structure of transformer's lead frame includes at least a lead frame module consisting of a lead frame main body and a lead frame cover, the lead frame main body has a through hole furnished at the center thereof; a bobbin formed at the side of the circumference of the through hole, and a pair of oppositely configured and reversely salient extension parts furnished at sides of the circumference of the through hole, each of the extension parts is combined to the mid-section of the wire connecting seats that have a plurality of wire connecting posts, a plurality of clip indentations are furnished at intervals and at the mid-section of the edge of the two sides of the corresponding extension parts and at the positions covered by the width of the corresponding extension parts.
    Type: Grant
    Filed: March 12, 2014
    Date of Patent: August 11, 2015
    Assignee: Yujing Technology Co., Ltd.
    Inventor: Sen-Tai Yang
  • Patent number: 9093213
    Abstract: A common mode choke coil exhibiting greater reliability against moisture load includes a nonmagnetic layer made of glass, magnetic layers placed in a manner sandwiching the nonmagnetic layer, and two or more coil conductors embedded in a base material constituted by the nonmagnetic layer and magnetic layers, wherein Mg segregation is present in the nonmagnetic layer and the Mg segregation accounts for 0.5 to 16 percent of the total area as observed on an electron micrograph of a section of the nonmagnetic layer, while the size of Mg segregation is preferably 0.2 to 10 ?m.
    Type: Grant
    Filed: January 23, 2014
    Date of Patent: July 28, 2015
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Keiko Shiroki, Takashi Nakajima, Kenji Otake
  • Patent number: 9088192
    Abstract: The present application has a purpose to provide a conductor wire for motor capable of improving durability against bending, and a coil for motor using the conductor wire for motor. One aspect of the invention, therefore, provides a conductor wire for motor comprising a fine wire assembly and a coating member covering an outer peripheral surface of the fine wire assembly, the fine wire assembly consisting of a plurality of fine wires assembled in a bundle, and each of the fine wires including a conductor and an insulating part provided on an outer peripheral surface of the conductor, wherein the coating member is made of metal, and the coating member has an electrical resistance value larger than an electrical resistance value of the conductor.
    Type: Grant
    Filed: June 29, 2011
    Date of Patent: July 21, 2015
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Hiroaki Urano
  • Patent number: 9082543
    Abstract: An inductor (1) includes an inductor (L11P) formed into the shape of a spiral on the outer circumference of an inductor region and having a start point connected to a terminal (N11P), an inductor (L12P) formed into the shape of a spiral on the inner circumference of the inductor region and having a start point at the end point of the inductor (L11P) and an end point connected to a terminal (N12P), and an inductor (L13P) formed into the shape of a spiral in a region sandwiched between the inductor (L11P) and the inductor (L12P) and having a start point at a node between the inductor (L11P) and the inductor (L12P) and an end point connected to a terminal (N13P).
    Type: Grant
    Filed: September 14, 2011
    Date of Patent: July 14, 2015
    Assignees: NIPPON TELEGRAPH AND TELEPHONE CORPORATION, KYOTO UNIVERSITY
    Inventors: Yusuke Ohtomo, Hiroaki Katsurai, Hidetoshi Onodera, Akira Tsuchiya
  • Patent number: 9076585
    Abstract: The present invention relates to an electronic component having a primary coil pattern and a secondary coil pattern with at least one selected from a dielectric and an insulator interposed therebetween, which includes at least one discharge terminal for discharging overvoltage or overcurrent applied to the primary coil pattern or the secondary coil pattern, and a method for manufacturing the same. Since it is possible to efficiently discharge overvoltage or overcurrent applied to an electronic component, it is possible to improve reliability of various electronic devices to which the electronic component in accordance with an embodiment of the present invention is applied as well as to extend lifespan of the electronic component itself.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: July 7, 2015
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Ju Hwan Yang, Sang Moon Lee, Young Seuck Yoo, Sung Kwon Wi
  • Patent number: 9076586
    Abstract: A coil component includes a coil element, a body having a square pole shape which accommodates the coil component therein, and a pair of terminals. The first ends of the terminals are respectively fixed to the side surfaces, opposite to each other, of the body. The terminals are bent from the side surfaces toward the bottom surface of the body. The second end of each of the terminals includes corner parts at the both side portions thereof. The bottom surface of the body is provided with recesses at locations not overlapping with the coil component, viewed from the bottom surface. The recesses are recessed from the bottom surface of the body and penetrating to one of the side surfaces. The corner parts of the terminals are locked on the bottom surface of the body, by being bent along inner walls of the recesses.
    Type: Grant
    Filed: November 13, 2013
    Date of Patent: July 7, 2015
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Toshiyuki Atsumi, Mutsuyasu Ohtsubo
  • Patent number: 9064632
    Abstract: Rotating power transformer having stationary and rotating parts. At least one of these parts includes a plurality of transformer segments preferably made of plastic material. Rectangularly shaped soft magnetic cores are held within the transformer segments together with at least one winding located in the soft magnetic cores, thereby facilitating simple and efficient assembly of the rotating power transformer.
    Type: Grant
    Filed: March 7, 2013
    Date of Patent: June 23, 2015
    Assignee: Schleifring und Apparatebau GMBH
    Inventors: Philippe Loiselle, Jurgen Scherber, Nils Krumme
  • Patent number: 9064629
    Abstract: A magnetic core including a winding core portion; and a flange portion provided on the axial end side of at least one of the winding core portion, wherein the flange portion is formed such that contour line OL1 of cross-section P, of the flange portion, which becomes perpendicular with respect to the axis line of the winding core portion forms a shape of a first irregular convex polygon which is substantially a non-regular polygon and also a convex polygon, and the contour line OL1 contacts with respect to all of sides Sb1, Sb2, Sb3 and Sb4 which are the four sides of a first circumscribed rectangle which becomes minimum within imaginary rectangles circumscribed with the contour line OL1 and also, the contour line OL1 includes side Sa1 and side Sat which respectively overlap with portions of respective ones of the side Sb1 and the side Sb2.
    Type: Grant
    Filed: September 12, 2013
    Date of Patent: June 23, 2015
    Assignee: SUMIDA CORPORATION
    Inventor: Juichi Oki
  • Patent number: 9058923
    Abstract: A stack is configured by stacking magnetic layers and non-magnetic layers, and has a rectangular-parallelepiped shape. A coil is provided in the stack, and has a coil axis that is substantially parallel to a stacking direction of the stack. The stacking direction and the coil axis are not parallel to sides that configure the stack.
    Type: Grant
    Filed: November 23, 2012
    Date of Patent: June 16, 2015
    Assignee: Murata Manufacturing Co., Ltd.
    Inventor: Masaki Inui
  • Patent number: 9058927
    Abstract: A laminate formed by laminating a plurality of insulator layers. First coil conductors are provided in the laminate winding in a predetermined direction when viewed in a plan view in a direction of lamination. Second coil conductors are provided in the laminate on one side in the direction of lamination relative to the first coil conductors, winding in the predetermined direction when viewed in a plan view in the direction of lamination. First via-hole conductors connect downstream ends of the first parallel portion in the predetermined direction. Second via-hole conductors connect downstream ends of the second parallel portions in the predetermined direction. A third via-hole conductor connects the farthest of the first coil conductors on one side to the farthest of the second coil conductors on the other side in the direction of lamination. The first through third via-hole conductors are not connected in a series.
    Type: Grant
    Filed: February 20, 2014
    Date of Patent: June 16, 2015
    Assignee: Murata Manufacturing Co., Ltd.
    Inventor: Kaori Takezawa
  • Patent number: 9041501
    Abstract: The disclosure relates to an amorphous transformer core including at least one transformer core disc with a plurality of layers of strip-like amorphous core material arranged concentrically around at least one winding window. At least one heat dissipating plate extends into an interior of the amorphous transformer core and is fed from there into at least one heat exchange region outside the amorphous transformer core. This can enhance dissipation of heat energy which is produced inside the amorphous transformer core.
    Type: Grant
    Filed: December 5, 2011
    Date of Patent: May 26, 2015
    Assignee: ABB TECHNOLOGY AG
    Inventors: Martin Carlen, Marcos Bockholt, Benjamin Weber
  • Patent number: 9035737
    Abstract: Embodiments of the present invention provide novel techniques for creating a high speed transformer such as a pulse transformer. In particular, a secondary coil of the high speed transformer may include a single turn. The use of a single turn secondary coil simplifies the design and manufacture of the transformer and aids in more efficient inspections. Further, the single turn secondary coil transformer may reduce the number of vias used to interconnect the components of the transformer. Additionally, the embodiments described herein may significantly improve voltage isolation by single turn coils, and eliminate vias between board layers.
    Type: Grant
    Filed: September 30, 2010
    Date of Patent: May 19, 2015
    Assignee: Rockwell Automation Technologies, Inc.
    Inventors: Ravi Nanayakkara, Jeffrey R. Annis, Douglas J. Bader, Randall S. Langer
  • Patent number: 9035738
    Abstract: Disclosed herein is a multilayer inductor, manufactured by stacking laminates each including: a substrate having internal electrode coil patterns formed thereon; and a magnetic substance filling the substrate on which the internal electrode coil patterns are formed, wherein the substrate is formed by using a composition including a magnetic material, so that, when the substrate is placed in the middle of the electrode circuit patterns at the time of manufacturing a power inductor, the substrate can be utilized as a gap material, and thus the thickness of an inductor chip can be minimized, and, in addition, the magnetic material is included in the substrate forming composition, thereby improving magnetic characteristics, and the liquid crystal oligomer and the nanoclay are added to the composition, to thereby increase insulating property between magnetic metals, thereby raising inductance, and thus dimensional stability and physical hardness of the structure can be secured.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: May 19, 2015
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Sa Yong Lee, Jin Young Kim, Keun Yong Lee, Geum Hee Yun, Moon Soo Park
  • Patent number: 9036854
    Abstract: Audio equipment comprising a signal generating module (26) arranged to output signals to a pair of speakers (20), wherein the speakers (20) are mounted upon respective housings (18), adapted to be carried by a glasses frame unit (30).
    Type: Grant
    Filed: May 9, 2006
    Date of Patent: May 19, 2015
    Inventor: Marcus Lewis
  • Patent number: 9030283
    Abstract: An electrical system having an underlying structure resembling the double helix most commonly associated with DNA may be used to produce useful electromagnetic fields for various application.
    Type: Grant
    Filed: December 11, 2013
    Date of Patent: May 12, 2015
    Assignee: Medical Energetics Ltd
    Inventor: David G. Schmidt
  • Patent number: 9019062
    Abstract: An inductive component has a winding and a core that includes a plurality of core areas that contain different magnetic materials.
    Type: Grant
    Filed: December 2, 2011
    Date of Patent: April 28, 2015
    Assignee: EPCOS AG
    Inventor: Kvetoslav Hejny
  • Patent number: 9019065
    Abstract: Integrated inductive device comprising a central loop arranged between two outer loops mutually coupled to the central loop so as to form two patterns roughly in the form of an eight having a common portion corresponding to said central loop.
    Type: Grant
    Filed: September 7, 2010
    Date of Patent: April 28, 2015
    Assignee: STMicroelectronics SA
    Inventor: Frederic Gianesello