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1
US8917077B2
Publication/Patent Number: US8917077B2
Publication date: 2014-12-23
Application number: 13/938,154
Filing date: 2013-07-09
Abstract: The present invention provides a multi-phase switching regulator and a droop circuit for use in the multi-phase switching regulator. The multi-phase switching regulator generates pulse width modulation (PWM) signals according to an output voltage and a droop signal, to drive a plurality of switching sets to convert an input voltage to the output voltage. The droop circuit detects the sum of the currents generated by the plurality of switching sets and provides the droop signal which is related to the sum of the currents to the multi-phase switching regulator. The droop signal can be used for over current protection (OCP) or for the droop control. The present invention provides a multi-phase switching regulator and a droop circuit for use in the multi-phase switching regulator. The multi-phase switching regulator generates pulse width modulation (PWM) signals according to an output voltage and a droop signal, to drive a ...more ...less
2
US8917094B2
Publication/Patent Number: US8917094B2
Publication date: 2014-12-23
Application number: 13/106,032
Filing date: 2011-05-12
Abstract: Downhole tools and techniques acquire information regarding nearby conductors such as pipes, well casing, and conductive formations. At least some method embodiments provide a current flow along a drill string in a borehole. The current flow disperses into the surrounding formation and causes a secondary current flow in the nearby conductor. The magnetic field from the secondary current flow can be detected using one or more azimuthally-sensitive antennas. Direction and distance estimates may be obtainable from the azimuthally-sensitive measurements, and can be used as the basis for steering the drillstring relative to the distant conductor. Possible techniques for providing current flow in the drillstring include imposing a voltage across an insulated gap or using a toroid around the drillstring to induce the current flow. Downhole tools and techniques acquire information regarding nearby conductors such as pipes, well casing, and conductive formations. At least some method embodiments provide a current flow along a drill string in a borehole. The current flow disperses into the surrounding ...more ...less
3
US8917096B2
Publication/Patent Number: US8917096B2
Publication date: 2014-12-23
Application number: 13/678,118
Filing date: 2012-11-15
Abstract: A mechanism is provided for determining an isoelectric point of a molecule. A first group of capacitance versus voltage curves of a capacitor is measured. The capacitor includes a substrate, dielectric layer, and conductive solution. The first group of curves is measured for pH values of the solution without the molecule bound to a functionalized material on the dielectric layer of the capacitor. A second group of capacitance versus voltage curves of the capacitor is measured when the molecule is present in the solution, where the molecule is bound to the functionalized material of the dielectric layer of the capacitor. A shift is determined in the second group of curves from the first group of curves at each pH value. The isoelectric point of the molecule is determined by extrapolating a pH value corresponding to a shift voltage being zero, when the shift is compared to the pH values. A mechanism is provided for determining an isoelectric point of a molecule. A first group of capacitance versus voltage curves of a capacitor is measured. The capacitor includes a substrate, dielectric layer, and conductive solution. The first group of curves is measured for pH ...more ...less
4
US8917100B2
Publication/Patent Number: US8917100B2
Publication date: 2014-12-23
Application number: 13/864,618
Filing date: 2013-04-17
Inventor: Monti, Giuseppe  
Abstract: A detecting/counting device for pharmaceutical/parapharmaceutical articles has a sliding support groove (15) having a first lateral wall (15A) and a second lateral wall (15B) and a bottom. A first capacitive sensor (C1) has a first armature (C1A) parallel to the first lateral wall (15A) and a second armature (C1B) parallel to the second lateral wall and connected to a first reference potential Vref1 by a first circuit (O1). A second capacitive sensor (C2) has a first armature (C2A) parallel to the first lateral wall and a second armature (C2B) parallel to the second lateral wall and connected to a second reference potential Vref2 by a second circuit (O2). A data processing unit (E) receives signals from the first circuit and the second circuit during transit of an article, indicating the shape of the articles, and compares them with reference ranges to determine whether the article is whole. A detecting/counting device for pharmaceutical/parapharmaceutical articles has a sliding support groove (15) having a first lateral wall (15A) and a second lateral wall (15B) and a bottom. A first capacitive sensor (C1) has a first armature (C1A) parallel to the first lateral ...more ...less
5
US8917113B1
Publication/Patent Number: US8917113B1
Publication date: 2014-12-23
Application number: 14/231,060
Filing date: 2014-03-31
Inventor: Song, Keun Soo  
Assignee: SK Hynix Inc.
Abstract: A phase detection device includes a clock divider configured to divide a clock signal and generate a plurality of divided clock signals, a recoverer configured to generate a recovered clock signal having substantially the same frequency as the clock signal based on the plurality of divided clock signals, and a phase detector configured to detect a phase of the recovered clock signal in response to a data strobe signal. A phase detection device includes a clock divider configured to divide a clock signal and generate a plurality of divided clock signals, a recoverer configured to generate a recovered clock signal having substantially the same frequency as the clock signal based on the plurality ...more ...less
6
US8917116B2
Publication/Patent Number: US8917116B2
Publication date: 2014-12-23
Application number: 13/843,054
Filing date: 2013-03-15
Abstract: Exemplary embodiments of the present invention relate to an output waveform synthesizer using phase interpolators and an on-chip eye opening monitoring (EOM) circuit for a low-power transmitter. In order to achieve both small area and low-power consumption in the transmitter design, a single-stage multiphase multiplexer operating in subrate is employed. The multiphase multiplexer is composed of parallelized open-drain NAND gates. In subrate transmitter architecture, the phase mismatch among multiphase clock signals degrades jitter performance significantly and is a critical bottleneck for its widespread use despite low power consumption. In order to overcome such mismatch problem, an area-and-power-efficient phase interpolator based waveform synthesizing scheme is developed. Exemplary embodiments of the present invention relate to an output waveform synthesizer using phase interpolators and an on-chip eye opening monitoring (EOM) circuit for a low-power transmitter. In order to achieve both small area and low-power consumption in the transmitter ...more ...less
7
US8917123B2
Publication/Patent Number: US8917123B2
Publication date: 2014-12-23
Application number: 13/853,247
Filing date: 2013-03-29
Abstract: An integrated circuit includes an N number of functional logic blocks, with N being greater than or equal to two, and clock staggering test circuitry. When the clock staggering test circuitry is in a shift mode, N staggered shift clock signals are generated for respective ones of the N functional logic blocks. Each of the N staggered shift clock signals has a frequency equal to a frequency of an external test clock signal divided by M, where M is greater than or equal to N. The peak power of the integrated circuit is reduced during the shift mode as a result of the staggered shift clock signals. An integrated circuit includes an N number of functional logic blocks, with N being greater than or equal to two, and clock staggering test circuitry. When the clock staggering test circuitry is in a shift mode, N staggered shift clock signals are generated for respective ones ...more ...less
8
US8917125B1
Publication/Patent Number: US8917125B1
Publication date: 2014-12-23
Application number: 14/511,206
Filing date: 2014-10-10
Inventor: Waltari, Mikko  
Abstract: A system and method are provided of performing background corrections for an interleaving analog-to-digital converter (ADC). An analog input signal s1(t) is accepted having a first frequency f1 and a bandwidth (BW). The method generates a clock at frequency fs, and creates 2 sample clocks with evenly spaced phases, each having a sample clock frequency of fs/2. The method also generates a first tone signal s2(t) having a predetermined second frequency f2 outside BW. The analog input signal and the first tone signal are combined, creating a combination signal, which is sampled using the sample clocks, creating 2 digital sample signals per clock period 1/fs. The 2 digital sample signals are interleaved, creating an interleaved signal. Corrections are applied that minimize errors in the interleaved signal, to obtain a corrected digital output. Errors are determined at an alias frequency f3, associated with the second frequency f2, to obtain correction information. A system and method are provided of performing background corrections for an interleaving analog-to-digital converter (ADC). An analog input signal s1(t) is accepted having a first frequency f1 and a bandwidth (BW). The method generates a clock at frequency fs, and creates 2 ...more ...less
9
US8917132B2
Publication/Patent Number: US8917132B2
Publication date: 2014-12-23
Application number: 13/793,627
Filing date: 2013-03-11
Inventor: Ma, Yantao   Gomm, Tyler  
Abstract: Apparatuses, methods, and delay circuits for delaying signals are described. An example apparatus includes a fine delay circuit configured to provide an output signal based on a ratio of a first input signal and a second input signal. The fine delay circuit including a phase mixer circuit including first signal drivers configured to receive the first input signal. The fine delay circuit further including second signal drivers configured to receive the second input signal, where at least two of the first signal drivers have different drive strengths and at least two of the second signal drivers have different drive strengths. Apparatuses, methods, and delay circuits for delaying signals are described. An example apparatus includes a fine delay circuit configured to provide an output signal based on a ratio of a first input signal and a second input signal. The fine delay circuit including a phase ...more ...less
10
US8916683B2
Publication/Patent Number: US8916683B2
Publication date: 2014-12-23
Application number: 13/253,485
Filing date: 2011-10-05
Abstract: Described herein are block copolymer conjugates that form double-network hydrogels under appropriate conditions. The conjugates comprise a block of polymer end-group, a block of self-associating peptide or protein, and flexible linkers between the two. Hydrogels comprising the conjugates have the mechanical properties, including elastic modulus and fracture toughness, required for load-bearing applications, while maintaining desirable shear-thinning properties, for example, for injectability. Described herein are block copolymer conjugates that form double-network hydrogels under appropriate conditions. The conjugates comprise a block of polymer end-group, a block of self-associating peptide or protein, and flexible linkers between the two. Hydrogels comprising the ...more ...less
11
US8916689B2
Publication/Patent Number: US8916689B2
Publication date: 2014-12-23
Application number: 13/820,201
Filing date: 2011-09-05
Abstract: The present invention relates to site-specific labeling of antibodies or fragments thereof with one or more reporter group(s) in a way that does not affect antigen binding. The method for labeling antibodies and/or fragments thereof, comprises the following steps a) providing an IgG binding protein, which comprises α-helix structures, with a photoactivatable group and at least one label; b) forming a mixture of said IgG binding protein and the antibodies and/or fragments to be labeled; and c) UV illuminating said mixture for site-specific labeling of said antibodies and/or fragments thereof. The IgG binding protein is preferably the Z domain of Protein A. The present invention relates to site-specific labeling of antibodies or fragments thereof with one or more reporter group(s) in a way that does not affect antigen binding. The method for labeling antibodies and/or fragments thereof, comprises the following steps a) providing an ...more ...less
12
US8916691B2
Publication/Patent Number: US8916691B2
Publication date: 2014-12-23
Application number: 11/545,349
Filing date: 2006-10-10
Abstract: Methods of expressing LIM mineralization protein in mammalian cells are described. Methods of expressing LIM mineralization protein and assessing glycosylation of the LIM mineralization protein in prokaryotic and non-mammalian eukaryotic cells are also described. The methods involve transfecting the cells with an isolated nucleic acid comprising a nucleotide sequence encoding a LIM mineralization protein. Transfection may be accomplished in vitro, ex vivo or in vivo by direct injection of virus or naked DNA, or by a nonviral vector such as a plasmid. Methods of expressing LIM mineralization protein in mammalian cells are described. Methods of expressing LIM mineralization protein and assessing glycosylation of the LIM mineralization protein in prokaryotic and non-mammalian eukaryotic cells are also described. The methods ...more ...less
13
US8916693B2
Publication/Patent Number: US8916693B2
Publication date: 2014-12-23
Application number: 13/496,170
Filing date: 2010-09-16
Abstract: Conjugates are provided, an exemplary conjugating having a single water-soluble, non-peptidic polymer, such as a poly(ethylene oxide), attached to a chitosan. Complexes of small interfering nucleic acids formed with such conjugates as well as small interfering nucleic acids attached to such conjugates are also provided. Related methods, intermediates, and compositions are also provided. Conjugates are provided, an exemplary conjugating having a single water-soluble, non-peptidic polymer, such as a poly(ethylene oxide), attached to a chitosan. Complexes of small interfering nucleic acids formed with such conjugates as well as small interfering nucleic acids ...more ...less
14
US8916703B2
Publication/Patent Number: US8916703B2
Publication date: 2014-12-23
Application number: 13/087,217
Filing date: 2011-04-14
Abstract: The present invention relates to new dithiinopyridazinone derivatives, to processes for preparing them, to their use for controlling unwanted microorganisms, more particularly phytopathogenic fungi, in crop protection, in the household and hygiene sector and in the protection of materials, and also to crop protection compositions comprising these dithiinopyridazinone derivatives. The present invention relates to new dithiinopyridazinone derivatives, to processes for preparing them, to their use for controlling unwanted microorganisms, more particularly phytopathogenic fungi, in crop protection, in the household and hygiene sector and in the protection of ...more ...less
15
US8916708B2
Publication/Patent Number: US8916708B2
Publication date: 2014-12-23
Application number: 13/701,989
Filing date: 2011-06-09
Abstract: Compounds of formula (I) are p38 MAPK inhibitors, useful as anti-inflammatory agents in the treatment of, inter alia, diseases of the respiratory wherein R1 is a radical of formula (IA) or (IB) or (IC): 10 Y is —O— or —S(O)p—wherein p is 0, 1 or 2; A is an optionally substituted cycloalkylene radical having 5, 6 or 7 ring atoms fused to a phenyl ring; and R2, R3b and R4b are as defined in the claims. Compounds of formula (I) are p38 MAPK inhibitors, useful as anti-inflammatory agents in the treatment of, inter alia, diseases of the respiratory wherein R1 is a radical of formula (IA) or (IB) or (IC): 10 Y is —O— or —S(O)p—wherein p is 0, 1 or 2; A ...more ...less
16
US8916975B2
Publication/Patent Number: US8916975B2
Publication date: 2014-12-23
Application number: 12/493,617
Filing date: 2009-06-29
Abstract: A semiconductor memory device includes a semiconductor circuit substrate having a chip pad forming region. A pair of data lines are formed on the semiconductor circuit substrate at one side of the chip pad region. The pair of data lines extend along a direction that the chip pad region of the semiconductor circuit substrate extends. The pair of data lines are arranged to be adjacent to each other and receive a pair of differential data signals. A power supply line is formed on the semiconductor circuit substrate at the other side of the chip pad region. The power supply line extends along the direction that the chip pad region of the semiconductor circuit substrate extends, and the power supply line receives power. A semiconductor memory device includes a semiconductor circuit substrate having a chip pad forming region. A pair of data lines are formed on the semiconductor circuit substrate at one side of the chip pad region. The pair of data lines extend along a direction that the chip pad ...more ...less
17
US8916981B2
Publication/Patent Number: US8916981B2
Publication date: 2014-12-23
Application number: 13/891,475
Filing date: 2013-05-10
Abstract: Epoxy-amine underfill materials for semiconductor packages and semiconductor packages having an epoxy-amine underfill material are described. In an example, a semiconductor apparatus includes a semiconductor die having a surface with an integrated circuit thereon. A semiconductor package substrate has a surface with a plurality of contact pads thereon. A plurality of conductive contacts couples the surface of the semiconductor die to the surface of the semiconductor package substrate. An epoxy-amine underfill material is disposed between the surface of the semiconductor die and the surface of the semiconductor package substrate and surrounds the plurality of conductive contacts. The epoxy-amine underfill has high adhesion and is based on a low volatility multi-functional amine species. Epoxy-amine underfill materials for semiconductor packages and semiconductor packages having an epoxy-amine underfill material are described. In an example, a semiconductor apparatus includes a semiconductor die having a surface with an integrated circuit thereon. A ...more ...less
18
US8916993B2
Publication/Patent Number: US8916993B2
Publication date: 2014-12-23
Application number: 13/283,983
Filing date: 2011-10-28
Abstract: A propulsion system includes an electric drive, a first energy storage system electrically coupled to the electric drive through a DC link, and a second energy storage system electrically coupled to the first energy storage system in a series connection. The first energy storage system comprises a high specific-energy storage device and the second energy storage system comprises a low specific-power storage device. The propulsion system also includes a third energy storage system comprising a high specific-energy storage device electrically coupled to the second energy storage system. A bi-directional boost converter is electrically coupled to the second and third energy storage systems such that a terminal of the third energy storage system is electrically coupled to a low voltage side of the bi-directional boost converter and a terminal of the second energy storage system is coupled to a high voltage side of the bi-directional boost converter. A propulsion system includes an electric drive, a first energy storage system electrically coupled to the electric drive through a DC link, and a second energy storage system electrically coupled to the first energy storage system in a series connection. The first energy storage ...more ...less