Patents Examined by Khiem Nguyen
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Patent number: 9935587Abstract: An inductor-less low noise amplifier (LNA) with high linearity is disclosed. The low noise amplifier includes: an input signal stage receiving an input signal; a first amplifier configured to receive the input signal, generate a first amplification signal by amplifying the received input signal, and output the generated first amplification signal, as a first output signal, to a first output terminal; a second amplifier configured to receive the input signal, generate a second amplification signal by amplifying the received input signal, and output the generated second amplification signal, as a second output signal, to a second output terminal; an output signal stage outputting a superimposition signal obtained by superimposing the first output signal and the second output signal; a first resistor feeding back the superimposition signal to the input signal stage; and a switch connecting/disconnecting between the input signal stage and the output signal stage.Type: GrantFiled: May 2, 2016Date of Patent: April 3, 2018Assignee: FCI INCInventors: DongHyun Ko, Myung Woon Hwang
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Patent number: 9935405Abstract: The terminal block (10) serves for electrically connecting a connection line having at least two conductors (L1, L2) and extending externally of an electronics housing (H). The terminal block comprises a platform (100) composed at least partially of an electrically insulating, synthetic material, especially a synthetic material having a dielectric strength sufficient to meet European standard EN 60947-1, a connection terminal (TI) arranged on a first side of the platform forming a first connection side of the terminal block and serving for connection of a conductor (L1) of the connection line as well as at least one connection terminal (T2) arranged on the first side of the platform, laterally spaced from the connection terminal (T1) for connection of a conductor (L2) of the connection line. Additionally, the terminal block comprises a connection contactor (J1) arranged on a second side of the platform forming a second connection side of the terminal block, e.g.Type: GrantFiled: April 28, 2017Date of Patent: April 3, 2018Assignee: ENDRESS + HAUSER FLOWTEC AGInventors: Antoine Simon, Roland Roth, Frantz Bindler
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Patent number: 9935593Abstract: Power amplifier bias circuit. A power amplifier bias circuit can include an emitter follower device and an emitter follower mirror device coupled to form a mirror configuration. The emitter follower device can be configured to provide a bias signal for a power amplifier at an output port. The power amplifier bias circuit can include a reference device configured to mirror an amplifying device of the power amplifier. The emitter follower mirror device can be configured to provide a mirror bias signal to the reference device.Type: GrantFiled: September 28, 2015Date of Patent: April 3, 2018Assignee: SKYWORKS SOLUTIONS, INC.Inventor: Aleksey A. Lyalin
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Patent number: 9935585Abstract: Embodiments of a radio frequency (RF) amplification are disclosed. The RF amplification device includes a first RF amplification circuit, a second RF amplification circuit, and power control circuitry operable in a first power mode and a second power mode. The first RF amplification circuit has a cascode amplifier stage configured to amplify an RF signal. The cascode amplifier stage has an input transistor and a cascode output transistor that are stacked in cascode. The second RF amplification circuit is configured to amplify the RF signal. The power control circuitry is configured to bias the first cascode output transistor so that the first cascode output transistor operates in a saturation region in the first power mode and bias the first cascode output transistor so that the first cascode output transistor operates in a triode region in the second power mode. The second RF amplification circuit is assisted without introducing additional loading.Type: GrantFiled: December 2, 2014Date of Patent: April 3, 2018Assignee: Qorvo US, Inc.Inventor: Alireza Shirvani
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Patent number: 9929490Abstract: An improved electrical connector including a latch strike plate, a body having a base, a receiver extending from the base and configured to receive the latch strike plate, an inserter extending from the base, a first electrical connection assembly extending through the body, a second electrical connection assembly extending through the body, an electrical linkage cable assembly connected to the base, the first electrical connection assembly, and the second electrical connection assembly, a latching mechanism partially positioned in the base and the inserter and partially extending from the base and the inserter, and a securing assembly extending in and from the base.Type: GrantFiled: August 15, 2017Date of Patent: March 27, 2018Assignee: Standard Car Truck CompanyInventor: John D. Anderson
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Patent number: 9929694Abstract: Embodiments disclosed herein relate to a bias circuit that uses Schottky diodes. Typically, a bias circuit will include a number of transistors used to generate a bias voltage or a bias current for a power amplifier. Many wireless devices include power amplifiers to facilitate processing signals for transmission and/or received signals. By substituting the bias circuit design with a design that utilizes Schottky diodes, the required battery voltage of the bias circuit may be reduced enabling the use of lower voltage power supplies.Type: GrantFiled: September 29, 2015Date of Patent: March 27, 2018Assignee: Skyworks Solutions, Inc.Inventor: David Steven Ripley
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Patent number: 9929524Abstract: Prewired, interchangeably connectible elements with mating electro-mechanical connectors for constructing a multitude of electrical apparatuses by forming load-bearing, electrical connections between the constituent elements thereof and a method of using such elements therefor.Type: GrantFiled: June 23, 2017Date of Patent: March 27, 2018Inventor: Matthew Rodgers
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Patent number: 9923287Abstract: An electrical device includes a power connector coupleable to a cable. The power connector includes a body defining a first opening and an interior space. The power connector is arranged to receive the cable into the interior space through the first opening. The electrical device also includes a barrier coupled to the power connector to at least partially cover the first opening. The barrier includes a wall defining a second opening. The wall contacts the body. The second opening is arranged to receive the cable therein when the cable is coupled to the power connector.Type: GrantFiled: January 10, 2017Date of Patent: March 20, 2018Assignee: General Electric CompanyInventors: Tyler Braden Diomedi, Leonardo Dorea Mascarenhas, Justin Dubrosky, Matthew Hock, Mariusz Duda, Tapas Ranjan Rout, Jorge Juan Bonilla Hernandez
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Patent number: 9917559Abstract: An in-line waveguide divider divides power of an incoming high-frequency signal among openings. Amplification boards disposed on a base are provided for respective openings and are each connected in parallel with one another to the in-line waveguide divider. An in-line waveguide combiner includes openings formed correspondingly to the amplification boards, and is connected to the amplification boards. An electrically conductive amplifier cover includes walls formed to provide isolation between circuits of the amplification boards continuously from the in-line waveguide divider to the in-line waveguide combiner, and the entire surface of the amplification boards at the in-line waveguide combiner side is covered with the electrically conductive amplifier cover except openings and openings. Each of the amplification boards includes a waveguide-to-microstrip transition corresponding to the opening, an amplifier element, and a microstrip-to-waveguide transition corresponding to the opening.Type: GrantFiled: January 28, 2016Date of Patent: March 13, 2018Assignee: Mitsubishi Electric CorporationInventors: Hiroyuki Nonomura, Jun Nishihara, Toshihiro Fujii
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Patent number: 9912106Abstract: An electrical connector includes a housing defining a base portion and a tongue portion, two rows of terminals and a shielding shell. The tongue portion defines a thickened step at a root to the base portion, the base portion defines a front and a rear side, and an upper and a lower retaining slots. The shell is retained on the base portion and surrounding the tongue portion so as to define a mating cavity between the shell and the tongue portion. The shell defines an upper and a lower-front stopping portions inwardly received in corresponding retaining slots to prevent a forward movement of the housing. The upper and lower front stopping portions extend forwardly into the mating cavity across the front side of the base portion so as to prevent a mating connector from damaging the housing during the mating connector is inserted into the mating cavity.Type: GrantFiled: September 19, 2017Date of Patent: March 6, 2018Assignee: FOXCONN INTERCONNECT TECHNOLOGY LIMITEDInventors: Tao Yao, Jing-Jie Guo
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Patent number: 9905956Abstract: Apparatus and methods are described, including apparatus that includes a male-connector body comprising at least one mating surface, and shaped to define a hollow core. A plurality of electrically-conductive male-connector terminals are coupled to the mating surface of the male-connector body. A longitudinal insert is configured to, by moving inside the hollow core, push the male-connector terminals radially outward. Other embodiments are also described.Type: GrantFiled: December 22, 2015Date of Patent: February 27, 2018Assignee: BIOSENSE WEBSTER (ISRAEL) LTD.Inventor: Mikhael Feldchtein
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Patent number: 9899753Abstract: The disclosure provides a connector and an electronic device system using the same. The connector includes a first connecting unit, a second connecting unit, a connecting structure and a supporting member. The first connecting unit includes a first body, a first magnetic body and a first conductive assembly mounted on the first body, and the first body has a first fixing portion. The second connecting unit includes a second body, a second magnetic body and a second conductive assembly mounted on the second body. The supporting member includes a supporting body, a second fixing portion and an inserted hole provided on the supporting body. The second magnetic body and the second conductive assembly is corresponding to the first magnetic body and the first conductive assembly respectively. The electronic device system has the functions of anti-collision and noise reduction.Type: GrantFiled: July 5, 2017Date of Patent: February 20, 2018Assignee: AMBIT MICROSYSTEMS (SHANGHAI) LTD.Inventor: Chia-Chin Chiang
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Patent number: 9893440Abstract: Disclosed is a vertical type connecting terminal for a storage battery, the vertical type connecting terminal including: a body unit 10 which includes an insertion portion 11 which is formed in a cylindrical shape having a cut-out at one side, an electric power outlet 12 which is formed opposite to the cut-out of the insertion portion 11, and a pair of elastic pieces 13 which extends in a radial direction from both ends of the cut-out of the insertion portion 11 and has therein arc-shaped portions 13?, respectively; a fastening member 20 which includes a washer member 21 which has inside thereof arc-shaped grooves 21? into which the arc-shaped portions 13? of the elastic piece 13 are inserted such that the washer member 21 is coupled to an upper portion of the elastic piece 13 and adjusts an interval between the elastic pieces 13 while moving vertically, a T-shaped tightening bolt 22 which is positioned below the elastic piece 13 and has a body 22a to be inserted into a through hole 21c formed in the washer mType: GrantFiled: October 18, 2016Date of Patent: February 13, 2018Assignee: CHANG HWAN PRECISION TERMINAL CO., LTD.Inventor: Hwan Chang Kim
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Patent number: 9887500Abstract: A snap-in electrical receptacle comprising a housing including a plurality of sides, a face plate attached to the housing, at least one electrical outlet attached to the face plate, and at least one L-shaped member included in at least one of the plurality of sides, the L-shaped member including a shelf generally coplanar with the face plate and an inclined protrusion. The snap-in electrical receptacle can be installed without tools or extraneous fasteners, and may be configured with a multiple variety of electrical inlet ports and electrical outlets.Type: GrantFiled: April 26, 2016Date of Patent: February 6, 2018Assignee: Group Dekko, Inc.Inventor: Raymond H. Riner
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Patent number: 9885765Abstract: The present invention provides an apparatus and a method for amplifying a radio-frequency signal and an MRI system comprising the apparatus.Type: GrantFiled: February 20, 2013Date of Patent: February 6, 2018Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Keqiu Zeng, Yong Liu, Tao Wang
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Patent number: 9882299Abstract: The present invention provides an electrical interconnection system comprising: a paddle card comprising a plurality of first contact pads positioned on a first surface of the paddle card and a plurality of second contact pads positioned on an opposite second surface of the paddle card; a first wafer comprising a plurality of first conductors each having a first contact portion; and a second wafer comprising a plurality of second conductors each having a second contact portion; wherein the first wafer and the second wafer are assembled together to have the first contact portion and the second contact portion face each other and be able to form a gap therebetween for accommodating at least part of the paddle card; each first contact portion is adapted to be in electrical contact with a corresponding first contact pad and each second contact portion is adapted to be in electrical contact with a corresponding second contact pad when the paddle card is at least partly accommodated in the gap.Type: GrantFiled: April 20, 2017Date of Patent: January 30, 2018Assignee: 3M Innovative Properties CompanyInventors: Deng Liu, Xiang Yao, Qilin Chen
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Patent number: 9876292Abstract: A female quick disconnect electrical terminal that can be installed in either direction onto a male tab terminal. The terminal has an electrically-conductive body with a longitudinal plane with an attachment side and a contact side. An electrical attachment and a contact are on opposite ends of the body. The electrical attachment is typically a crimp attachment but any electrical attachment may be used. The contact has a floor in the plane and a spur extending away from the contact side of plane. The spur can be a dimple or bent nib. Optionally, the spur extends from a raised land. A pair of longitudinal, parallel retention rails are formed by bending wings 90° away from the contact side and curling the wings toward each other 180°. The retention rails and floor form a slot for a male tab terminal blade.Type: GrantFiled: March 13, 2017Date of Patent: January 23, 2018Assignee: ETCO, Inc.Inventor: Edward H Jacques
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Patent number: 9876501Abstract: A switching power amplifier includes: a first transistor controlled by a first digital signal to selectively output a first output signal; a second transistor controlled by a second digital signal to selectively output a second output signal; and a control circuit arranged to generate the second digital signal according to the first digital signal and a third digital signal; wherein the first output signal and the second output signal are outputted on a common connected node of the first transistor and the second transistor.Type: GrantFiled: May 2, 2014Date of Patent: January 23, 2018Assignee: MediaTek Inc.Inventors: Yang-Chuan Chen, Hsiang-Hui Chang
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Patent number: 9865952Abstract: A plug contact is provided for the provision of a press contact with a mating contact. The plug contact is composed of an electrically conductive material. The plug contact has a first contact section for the provision of the press contact. The first contact section has, at least in places, an electrically conductive organic coating, and the organic coating contains a metal, an alloy, and/or an electrically conductive polymer. A printed circuit board arrangement is also provided.Type: GrantFiled: December 22, 2016Date of Patent: January 9, 2018Assignee: Continental Automotive GmbHInventors: Detlev Bagung, Thomas Riepl, Holger Schlotter
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Patent number: 9865951Abstract: An electrical connector includes an insulative housing, a plurality of contacts retained in the insulative housing, a fastener and a first sealing ring. The insulative housing has a rear section extending backwardly. The rear section has a rear space and a first peripheral wall around the rear space. Each contact has a connecting leg extending into the rear space. The fastener has a mating section to engage with the rear section and a board receiving chamber extending therethrough along a front to back direction. The fastener has a fixed position on the insulative housing, and as moving the fastener to the fixed position, the connecting legs are pressed into the board receiving chamber for electrically connecting with the flexible printed circuit board, and the first sealing ring is sealed around the junction of the contacts and the flexible printed circuit board.Type: GrantFiled: July 10, 2017Date of Patent: January 9, 2018Assignee: ALLTOP ELECTRONICS (SUZHOU) LTD.Inventors: Li-Li Liang, Yong-Gang Zhang, Yu-Hui Zhang