Patent application number | Description | Published |
20130070549 | Single-Ended Sense Amplifier with Read-Assist - A sense amplifier is provided that comprises, responsive to receiving a set signal to turn on a set device and a precharged voltage level read bit line signal, a keeper device that turns on responsive to receiving a LOW signal from an inverting amplifier and pulls up the voltage at a first node so that a HIGH signal is output onto a global bit line. Responsive to receiving the set signal to turn on the set device and a read bit line signal that is discharging through a read stack path to ground and responsive to the read bit line signal discharging below a first predesigned voltage level, a read assist device in the sense amplifier turns on responsive to receiving a HIGH signal from the inverting amplifier and pulls down the voltage at the first node so that a LOW state is output onto a global bit line. | 03-21-2013 |
20150187437 | CIRCUIT AND DATA PROCESSOR WITH HEADROOM MONITORING AND METHOD THEREFOR - A circuit with headroom monitoring includes a memory array having memory cells, a replica array, and a built-in self test circuit. The replica array has a plurality of word lines, a plurality of bit line pairs, and memory cells located at intersections of the plurality of word lines and the plurality of bit line pairs. The memory cells are of a same type as memory cells in the memory array. The built-in self test circuit is coupled to the replica array for adding a capacitance to at least one bit line of the plurality of bit line pairs, for sensing a read time of memory cells of the replica array with the capacitance so added, and for providing a headroom signal in response to the read time. | 07-02-2015 |
20150318056 | MEMORY ARRAY TEST LOGIC - A test circuit for a static random access memory (SRAM) array includes a plurality of stages coupled in a ring. Each stage includes a plurality of bit cells to store information, a bit line and a complementary bit line coupled to the plurality of bit cells, and a plurality of word lines coupled to the plurality of bit cells. Subsets of the plurality of word lines of each of the plurality of stages are selectively enabled based on signals asserted on the complementary bit line of another one of the plurality of stages. The test circuit also includes inversion logic deployed between two of the plurality of stages. | 11-05-2015 |
Patent application number | Description | Published |
20090074115 | Soft Bit Viterbi Equalizer Using Partially Collapsed Metrics - A system and method of decoding data are provided. A particular method includes determining a first partially collapsed metric value for each bit in a symbol transition, where each first partially collapsed metric value is a cumulative metric of starting in a first state and ending in a second state in L transitions. The first partially collapsed metric value is equal to the cumulative metric value for each of the states plus first minimum sum of branch metric values. | 03-19-2009 |
20090274252 | Delay Restricted Channel Estimation for Multi-Carrier Systems - A method is disclosed that includes channel estimation for a multi-carrier modulation of a plurality of subcarriers. The method includes performing a first channel estimation to obtain a first estimate of a channel based on a received signal. The method further includes suppressing a portion of elements of the first estimate of the channel to obtain a suppressed estimate of the channel. The method also includes multiplying the suppressed estimate of the channel by a first matrix to obtain a delay restricted estimate of the channel. | 11-05-2009 |
20100173650 | METHOD AND APPARATUS FOR LOCATING MULTIMODE COMMUNICATION DEVICES - A location services controller ( | 07-08-2010 |
20110243284 | Delay Restricted Channel Estimation for Multi-Carrier Systems - A method includes performing a channel estimation to obtain an estimate of the channel based on a received signal. A subset of elements of the estimate are suppressed to obtain a suppressed estimate of the channel. The method includes multiplying the suppressed estimate of the channel by a matrix to obtain a delay restricted estimate of the channel. | 10-06-2011 |
20130070733 | Method and Apparatus for Equalizing Signals - A system and apparatus are disclosed for a method and apparatus for equalizing signals. An apparatus that incorporates teachings of the present disclosure may include, for example, an equalizer ( | 03-21-2013 |
20130083788 | Delay-Induced Scattering with Phase Randomization and Partitioned Frequency Hopping - A method includes generating multiple copies of a signal that comprises a plurality of time division multiple access frames. The multiple copies of the signal includes a first copy and one or more other copies of the signal. Each of the one or more other copies of the signal having a respective fixed delay and a respective phase relative to the first copy of the signal. The method also includes transmitting the multiple copies of the signal using hopping carrier frequencies. The hopping carrier frequencies associated with a consecutive pair of the plurality of time division multiple access frames are separated by an odd multiple of a separation value representing a frequency separation between two adjacent carrier signals. The respective fixed delay is proportional to the separation value for each of the one or more other copies of the signal. | 04-04-2013 |
20140170985 | METHOD AND APPARATUS FOR MITIGATING INTERFERENCE IN A WIRELESS COMMUNICATION SYSTEM - A process, device and computer-readable storage medium that incorporate teachings of the subject disclosure may include, for example, identifying a wireless device that is unable to distinguish between a non-reduced power subframe and a reduced-power, subframe of a communications protocol including a frame having a pre-defined arrangement of non-reduced power subframes and reduced-power subframes. First and second instructions are sent to the wireless device to respectively perform a first channel quality assessment of a non-reduced power subframe and a second channel quality assessment of a reduced-power subframe. The first and second instructions respectively identify the non-reduced power subframes and the reduced-power subframes within which the first and second channel quality assessments are to be performed. After receiving the first and second channel quality assessments, it is determined whether the channel quality assessment performed by the wireless device includes instantaneous measurements. Other embodiments are disclosed. | 06-19-2014 |
20150055631 | METHOD AND APPARATUS FOR EQUALIZING SIGNALS - A system and apparatus are disclosed for a method and apparatus for equalizing signals. An apparatus that incorporates teachings of the present disclosure may include, for example, an equalizer having a channel estimation calculator for calculating a time domain channel estimation from a baseband signal, a Fast Fourier Transform processor for translating the time domain channel estimation to a frequency domain channel estimation, a tap weight calculator for calculating a frequency domain tap weight according to the frequency domain channel estimation, an inverse Fast Fourier Transform processor for translating the frequency domain tap weight calculation to a time domain tap weight calculation, and a filter for equalizing the baseband signal according to the time domain tap weight calculation. | 02-26-2015 |
20150156656 | METHOD AND APPARATUS FOR MITIGATING INTERFERENCE IN A WIRELESS COMMUNICATION SYSTEM - A process, device and computer-readable storage medium that incorporate teachings of the subject disclosure may include, for example, providing a first instruction to mobile user equipment to cause the mobile user equipment to perform a first channel quality assessment of a non-reduced power subframe of a wireless signal comprising the non-reduced power subframe, an almost blank subframe and a reduced power subframe. A second instruction is provided to the mobile user equipment to cause the mobile user equipment to perform a second channel quality assessment of the almost blank subframe. A determination is made as to whether the mobile user equipment is performing instantaneous channel quality measurements based on a result of the first channel quality assessment and a result of the second channel quality assessment. Other embodiments are disclosed. | 06-04-2015 |
Patent application number | Description | Published |
20090106474 | Multi-Host USB Device - A USB device may be simultaneously configured and accessed by two or more USB hosts. The USB device may include separate upstream ports and buffers for each host, and a multi-host capable device controller configured to respond to simultaneous USB requests received from more than one host. The USB device may maintain a dedicated address, configuration, and response information for each host. The USB device may include a shared USB function block, and a multi-host controller configured to establish concurrent respective USB connections between the shared USB function block and two or more USB hosts, to allow the two or more USB hosts to simultaneously configure the USB device for the shared USB function. The multi-host controller may be configured to receive and respond to simultaneous respective USB access requests for the shared USB function sent by the two or more USB hosts. | 04-23-2009 |
20100191984 | Single Pin Port Power Control - A power controller for a peripheral bus interface. A peripheral bus power controller includes a first terminal, a second terminal coupled to receive an power enable input signal from a host controller, and a third terminal coupled to provide an over-current output signal indicative of an over-current condition to the host controller. The peripheral bus power controller further includes an enable circuit configured to assert a power enable output signal on the first terminal responsive to receiving the power enable input signal and a first buffer configured to provide the over-current output signal to the host controller responsive to the power controller detecting the over-current condition on the first terminal. | 07-29-2010 |
20120084578 | Using a Single Terminal for a Power Enable Output Signal and Detecting an Over-Current Condition - A power controller for a peripheral bus interface. A peripheral bus power controller includes a first terminal, a second terminal coupled to receive an power enable input signal from a host controller, and a third terminal coupled to provide an over-current output signal indicative of an over-current condition to the host controller. The peripheral bus power controller further includes an enable circuit configured to assert a power enable output signal on the first terminal responsive to receiving the power enable input signal and a first buffer configured to provide the over-current output signal to the host controller responsive to the power controller detecting the over-current condition on the first terminal. | 04-05-2012 |
20130111100 | Device Charging Over USB Using a Plurality of Handshakes | 05-02-2013 |
20150145560 | INTEGRATED DEVICE WITH AUTO CONFIGURATION - A method for controlling a configuration in an integrated circuit device with at least one controllable input/output port having a data output driver, a data input driver, a controllable pull-up resistor, a controllable pull-down resistor, each connected with an external pin of the integrated circuit device, has the steps of: enabling only the pull-up resistor and reading the associated input through the data input driver as a first bit; enabling only the pull-down resistor and reading the associated input through the data input driver as a second bit; tri-stating the first port and reading the associated input through the data input driver as another bit; encoding a value from the read bits; and determining a firmware operation form the encoded value. | 05-28-2015 |
20150309953 | FLEXCONNECT DISCONNECT DETECTION - A USB hub includes a plurality of downstream ports; at least one dual mode port, the dual mode port configured to be switchable from a downstream port to an upstream port; and host detection circuitry for detecting whether, when operating as an upstream port, a host is connected. | 10-29-2015 |
20150318728 | Port Disconnect Charging Function for USB HUB - A Universal Serial Bus (USB) hub includes a first port that is configured to be switched from a downstream port to an upstream port; a plurality of other ports; and a controller configured to switch a function of the first port from the downstream port to the upstream port responsive to a command from an attached device and further configured to switch at least one of the plurality of other ports from a data and charge port into a port dedicated to charging | 11-05-2015 |
20150331826 | SWITCHLESS USB C-CONNECTOR HUB - A USB hub integrated circuit device, comprising USB hub logic comprising a plurality USB ports, wherein at least one port comprises a pair of bi-directional transmission channels, wherein for the at least one port two physical layers are provided in parallel, each physical layer being associated with one bidirectional transmission channel, wherein the USB hub logic is further configured to select one of said physical layers for each port depending on a logic condition. | 11-19-2015 |
20160054786 | LOW POWER CONNECTION DETECT METHOD AND SYSTEM FOR USB CHARGING - A USB hub has a USB hub controller, and an embedded controller, a USB port connector and associated port power control device and a controllable bypass switch providing a supply voltage to the USB port connector when the embedded controller enables it, a controllable voltage supply regulator unit providing a first output voltage which can be turned off and supplied to the port power control device, and a programmable current monitor circuit with a current sensor providing a second supply voltage to the monitor circuit, wherein during a low power mode, the USB hub controller and any port power control device are turned off and the monitor circuit is configured to provide the second supply voltage through the sensor and bypass switch to the USB connector and detects a current when a USB device is plugged into the USB port connector and wakes up the embedded controller. | 02-25-2016 |
Patent application number | Description | Published |
20080287395 | Phospholipid Compositions for Contact Lens Care and Preservation of Pharmaceutical Compositions - The use of certain synthetic phospholipids to preserve pharmaceutical compositions from microbial contamination is described. The synthetic phospholipids have unique molecular arrangements wherein a phosphate group is linked to a quaternary ammonium functionality via a substituted-propenyl group, and the quaternary ammonium functionality is further linked to at least one long hydrocarbon chain. Such molecular arrangements are what make the phospholipids of formula (I) highly water soluble, e.g., the length of the hydrocarbon chain assists to maintain solubility and efficacy of the molecules for the uses described herein. The synthetic phospholipids described herein have been found to be particularly useful as antimicrobial preservatives for ophthalmic, otic and nasal pharmaceutical compositions, especially ophthalmic compositions. These compounds may also be utilized to disinfect contact lenses. The invention is based in-part upon a finding that the antimicrobial activity of the synthetic phospholipids is affected by the ionic strength of the compositions in which the compounds are contained. The provision of compounds having limited ionic strengths is therefore preferred. | 11-20-2008 |
20090298956 | SELF-PRESERVED EMULSIONS - The use of multifunctional synthetic compounds to both stabilize and preserve therapeutic emulsions is described. The multifunctional synthetic compounds have unique molecular arrangement wherein a phosphate group is linked to one, two or three quaternary ammonium functionalities via a substituted propenyl group, and each quaternary ammonium functionality is further linked to at least one hydrocarbon chain. The pharmaceutical emulsions which include these multifunctional compounds may be prepared without heating or homogenization, and may not require the use of any additional stabilizing or preserving agents. | 12-03-2009 |
20100056537 | PHARMACEUTICAL COMPOSITION HAVING RELATIVELY LOW IONIC STRENGTH - The present invention is directed to the provision of pharmaceutical compositions such as multi-dose, ophthalmic compositions. The compositions possess sufficient antimicrobial activity to satisfy preservative efficacy requirements in the United States and/or Europe. The compositions include sorbate or a non-polymeric diquaternary ammonium compound for enhancing preservation efficacy. Further, the compositions typically have relatively low ionic strengths to assist in maintaining such efficacy. | 03-04-2010 |
20100227904 | Pharmaceutical Composition for Delivery of Receptor Tyrosine Kinase Inhibiting (RTKi) Compounds to the Eye - The present invention relates to development of efficacious pharmaceutical implant compositions comprising an active agent in a therapeutically effective amount and a polyethylene glycol having a molecular weight of at least 2000. | 09-09-2010 |
20100227905 | Pharmaceutical Composition for Delivery of Receptor Tyrosine Kinase Inhibiting (RTKi) Compounds to the Eye - The present invention relates to development of efficacious pharmaceutical compositions in the form of aqueous solutions comprising an active agent in a therapeutically effective amount and a polyethylene glycol having a molecular weight of at least 2000. | 09-09-2010 |
20110135743 | CARBOXYVINYL POLYMER-CONTAINING NANOPARTICLE SUSPENSIONS - The present invention generally relates to suspension compositions having a carboxyvinyl polymer such as a carbomer, a galactomannan such as guar, and a borate compound. A sparingly soluble particulate compound such as nepafenac is also included in the compositions. The sparingly soluble particulate compound has a small particle size to enhance bioavailability of the compound. | 06-09-2011 |
20120022149 | PHARMACEUTICAL COMPOSITION WITH ENHANCED SOLUBILITY CHARACTERISTICS - There are disclosed pharmaceutical compositions, particularly ophthalmic compositions, that contain relatively high concentrations of solubility enhancing polymer (e.g., polyether polymer, polyvinyl polymer or a combination thereof) for providing enhanced solubility of one or more therapeutic agents. In a preferred embodiment, the composition is a multi-dose topical aqueous ophthalmic composition that contains relatively high concentrations of solubility enhancing polymer (e.g., polyether polymer, polyvinyl polymer or a combination thereof) for providing enhanced solubility of one or more therapeutic agents. | 01-26-2012 |
20120269862 | OPHTHALMIC COMPOSITION WITH A VISCOSITY ENHANCEMENT SYSTEM HAVING TWO DIFFERENT VISCOSITY ENHANCING AGENTS - An ophthalmic composition is disclosed having a viscosity enhancement system comprised of two different viscosity enhancing agents. The aqueous composition contains a first viscosity enhancing agent that provides enhanced viscosity upon dispensing of the composition to the eye and a second viscosity agent that increases viscosity (e.g., gels or partially gels) after dispensing of the composition to the eye to provide extended viscosity enhancement of the composition. | 10-25-2012 |
20120270955 | OPHTHALMIC COMPOSITION WITH A VISCOSITY ENHANCEMENT SYSTEM HAVING TWO DIFFERENT VISCOSITY ENHANCING AGENTS - An ophthalmic composition is disclosed having a viscosity enhancement system comprised of two different viscosity enhancing agents. The aqueous composition contains a first viscosity enhancing agent that provides enhanced viscosity upon dispensing of the composition to the eye and a second viscosity agent that increases viscosity (e.g., gels or partially gels) after dispensing of the composition to the eye to provide extended viscosity enhancement of the composition. | 10-25-2012 |
20120295967 | HIGH CONCENTRATION OLOPATADINE OPHTHALMIC COMPOSITION - The present invention is an ophthalmic composition containing a relatively high concentration of olopatadine. The composition is typically an ophthalmic aqueous solution containing relatively high concentrations of olopatadine solubilized within the solution. The composition is preferably capable of providing enhanced relief from symptoms of ocular allergic conjunctivitis, particularly late phase symptoms of ocular allergic conjunctivitis. | 11-22-2012 |
20130137741 | Pharmaceutical Composition for Delivery of Receptor Tyrosine Kinase Inhibiting (RTKi) Compounds to the Eye - The present invention relates to development of efficacious pharmaceutical compositions in the form of aqueous solutions comprising an active agent in a therapeutically effective amount and a polyethylene glycol having a molecular weight of at least 2000. | 05-30-2013 |
20140162990 | FINAFLOXACIN SUSPENSION COMPOSITIONS - The present invention relates to methods for treating an ophthalmic, otic, or nasal infection comprising treating the infected tissue with a suspension composition comprising finafloxacin or a finafloxacin derivative. The present invention also relates to antimicrobial compositions comprising finafloxacin free base or a finafloxacin derivative. The compositions are suitable for the treatment of ophthalmic, otic, or nasal infections. | 06-12-2014 |
20140296328 | HIGH CONCENTRATION OLOPATADINE OPHTHALMIC COMPOSITION - The present invention is an ophthalmic composition containing a relatively high concentration of olopatadine. The composition is typically an ophthalmic aqueous solution containing relatively high concentrations of olopatadine solubilized within the solution. The composition is preferably capable of providing enhanced relief from symptoms of ocular allergic conjunctivitis, particularly late phase symptoms of ocular allergic conjunctivitis. | 10-02-2014 |
20140364392 | TOPICAL AQUEOUS OPHTHALMIC COMPOSITIONS CONTAINING A 1H-INDOLE-1-CARBOXAMIDE DERIVATIVE AND USE THEREOF FOR TREATMENT OF OPHTHALMIC DISEASE - The present invention is directed to the provision of a multi-dose topical ophthalmic composition containing a 1H-indole-1-carboxamide and use thereof for treatment of ophthalmic disease. More specifically the present invention is directed to a multi-dose aqueous ophthalmic composition (e.g., a solution, a suspension, an emulsion or the like) containing a 1H-indole-1-carboxamide (e.g., N-(1-methyl-5-(trifluoromethyl)-1H-pyrazol-3-yl)-5-((6-((methylamino) methyl)pyrimidin-4-yl)oxy)-1H-indole-1-carboxamide) and use thereof for treatment of an ophthalmic disease at the back of the eye such as age related macular degeneration (AMD). | 12-11-2014 |
20150072011 | CARBOXYLVINYL POLYMER-CONTAINING NANOPARTICLE SUSPENSIONS - The present invention generally relates to suspension compositions having a carboxyvinyl polymer such as a carbomer, a galactomannan such as guar, and a borate compound. A sparingly soluble particulate compound such as nepafenac is also included in the compositions. The sparingly soluble particulate compound has a small particle size to enhance bioavailability of the compound. | 03-12-2015 |
20150174137 | COMPOSITIONS FOR TREATING MICROBIAL INFECTIONS - The present invention relates to methods for treating a microbial infection comprising treating the infected tissue with a composition comprising a quinolone such as finafloxacin and a divalent cation such as magnesium. The present invention also relates to antimicrobial compositions comprising a quinolone such as finafloxacin and a divalent cation such as magnesium. | 06-25-2015 |
20150209466 | Phospholipid Compositions for Contact Lens Care and Preservation of Pharmaceutical Compositions - The use of certain synthetic phospholipids to preserve pharmaceutical compositions from microbial contamination is described. The synthetic phospholipids have unique molecular arrangements wherein a phosphate group is linked to a quaternary ammonium functionality via a substituted-propenyl group, and the quaternary ammonium functionality is further linked to at least one long hydrocarbon chain. Such molecular arrangements are what make the phospholipids of formula (I) highly water soluble, e.g., the length of the hydrocarbon chain assists to maintain solubility and efficacy of the molecules for the uses described herein. The synthetic phospholipids described herein have been found to be particularly useful as antimicrobial preservatives for ophthalmic, otic and nasal pharmaceutical compositions, especially ophthalmic compositions. These compounds may also be utilized to disinfect contact lenses. The invention is based in-part upon a finding that the antimicrobial activity of the synthetic phospholipids is affected by the ionic strength of the compositions in which the compounds are contained. The provision of compounds having limited ionic strengths is therefore preferred. | 07-30-2015 |