Patents Examined by H Cho
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Patent number: 10331103Abstract: Various techniques are provided to implement hysteresis control for programmable logic devices (PLDs). In one example, a PLD includes a hysteresis control circuit configured to generate a hysteresis control signal based on a core voltage and an input/output (I/O) voltage. The PLD further includes an I/O cell associated with an I/O fabric of the PLD and powered by the I/O voltage. The I/O cell includes a first buffer circuit configured to receive an input voltage and generate a first buffer voltage based on the input voltage. The I/O cell further includes a hysteresis generator configured to generate a hysteresis voltage based on the hysteresis control signal and the I/O voltage. The I/O cell further includes a second buffer circuit configured to generate a second buffer voltage based on the first buffer voltage and the hysteresis voltage. Related methods and systems are provided.Type: GrantFiled: June 27, 2018Date of Patent: June 25, 2019Assignee: Lattice Semiconductor CorporationInventor: Keith Truong
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Patent number: 10327311Abstract: Enhancements to ornamental or holiday lighting are disclosed including remote control ornamental illumination with color pallet control whereby a user can vary the color/intensity/appearance of an individual bulb or entire light string by selecting the electronic address of the bulb and selecting its attribute. Further disclosures include: motion responsive lights which respond to sensed movement, gesture controlled lights, adjustable white color/white led sets, connectable multi-function lights, controller to sequence lights to music or other input source, rotating projection led light/tree top/table top unit, and remote controlled sequencing icicle lights and ornament lighting system.Type: GrantFiled: May 11, 2017Date of Patent: June 18, 2019Assignee: Seasonal Specialties, LLCInventors: Steven J. Altamura, Christine Werner, Derek Dean Anderson, Matthew Guse, Carmen Miller
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Patent number: 10327298Abstract: An LED luminaire comprises a power switching driver, LED array(s) powered by the power switching driver, and a detection and control circuit. The detection and control circuit comprises a voltage sensing circuit, a current sensing circuit, a voltage regulator circuit, an optocoupler circuit, and a pair of low-voltage input ports receiving an external voltage. The detection and control circuit is configured to extract an electrical signal from an output voltage, an output current driving the LED array(s), and the external voltage and to couple an optical feedback signal to the power switching driver. The external voltage comprises a voltage sent from a motion sensor, an adapted control voltage from a daylight sensor, or both to control the power switching driver to offset lighting amount of the LED luminaire to reduce energy consumption in response to changing daylight availability when a motion is detected.Type: GrantFiled: January 14, 2019Date of Patent: June 18, 2019Assignee: ALEDDRA INC.Inventor: Chungho Hsia
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Patent number: 10317286Abstract: A luminaire comprises at least one light emitting diode (LED) as a light source. Such LED has a limited light emitting angle for emitted light radiation. An infrared sensor is assigned to the light source for determining the temperature of same.Type: GrantFiled: September 10, 2014Date of Patent: June 11, 2019Assignee: EATON INTELLIGENT POWER LIMITEDInventor: Toni Ott
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Patent number: 10320390Abstract: A reconfigurable field programmable gate array (FPGA) includes: a first logic block having a first lookup table; and a second logic block having a second lookup table, wherein the first logic block is coupled to the second logic block, in which the first logic block is configured to pass, upon a clock cycle of the FPGA, data about a lookup table configuration stored in the first lookup table to the second logic block.Type: GrantFiled: November 13, 2017Date of Patent: June 11, 2019Inventor: Jonathan Ross
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Patent number: 10320388Abstract: A method for decoding a plurality of input signals in a plurality of dynamic decode circuits, each dynamic decode circuit sharing a conditioned node and comprising a decoder that decodes the plurality of input signals to produce a result at a first node, the result is propagated to second node while an evaluation clock is active by a pair of serially connected transistors consisting of a transistor receiving an evaluation clock at its gate and a transistor receiving the first node at its gate.Type: GrantFiled: July 8, 2018Date of Patent: June 11, 2019Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Paul Alan Bunce, Yuen Hung Chan, John D Davis, Antonio Raffaele Pelella
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Patent number: 10312888Abstract: Various embodiments of a robust double node upset tolerant latch in which all internal and external nodes are capable of recovering the previous value after a single event upset are disclosed.Type: GrantFiled: August 23, 2018Date of Patent: June 4, 2019Assignee: Board of Trustees of Southern Illinois University on Behalf of Southern Illinois University CarbondaleInventors: Adam Watkins, Spyros Tragoudas
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Patent number: 10314123Abstract: An LED luminaire comprises a power switching driver, an electric current controller, LED array(s) powered by the electric current controller, and a detection and control circuit. The detection and control circuit comprises comparator(s), a voltage regulator circuit, and a pair of low-voltage input/output ports receiving an external voltage. The detection and control circuit is configured to extract a controllable feedback signal voltage from an output voltage coupled from the power switching driver, an output current driving the LED array(s), and the external voltage and to couple to the electric current controller to change the output current driving the LED array(s). The external voltage comprises a voltage sent from a wireless luminaire controller, which comprises a wireless module and a meter and control unit. The wireless luminaire controller is configured to receive commands from the wireless module, to control the LED luminaire, and to measure in response to the commands.Type: GrantFiled: February 6, 2019Date of Patent: June 4, 2019Assignee: ALEDDRA INC.Inventor: Chungho Hsia
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Patent number: 10312916Abstract: A dynamic decode circuit for decoding a plurality of input signals comprises precharge circuits that consist of two serially connected transistors, that utilize an evaluate clock and a delayed evaluate clock, that delay the start of a precharge phase for a predetermined period after the end of an evaluation phase.Type: GrantFiled: July 8, 2018Date of Patent: June 4, 2019Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Paul Alan Bunce, Yuen Hung Chan, John D Davis, Antonio Raffaele Pelella
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Patent number: 10312915Abstract: A method for a dynamic decode circuit to decode a plurality of input signals, the dynamic decode circuit comprises a decoder that decodes the plurality of input signals to produce a result at a first node, the result is propagated to a second node while an evaluation clock is active by a pair of serially connected transistors consisting of a transistor receiving an evaluation clock at its gate and a transistor receiving the first node at its gate, the interconnection of the pair of serially connected transistors is precharged when the evaluation clock is inactive.Type: GrantFiled: July 8, 2018Date of Patent: June 4, 2019Assignee: International Business Machines CorporationInventors: Paul Alan Bunce, Yuen Hung Chan, John D Davis, Antonio Raffaele Pelella
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Patent number: 10314130Abstract: System and method for providing at least an output current to one or more light emitting diodes. The system includes a control component configured to receive at least a demagnetization signal, a sensed signal and a reference signal and to generate a control signal based on at least information associated with the demagnetization signal, the sensed signal and the reference signal, and a logic and driving component configured to receive at least the control signal and output a drive signal to a switch based on at least information associated with the control signal. The switch is connected to a first diode terminal of a diode and a first inductor terminal of an inductor. The diode further includes a second diode terminal, and the inductor further includes a second inductor terminal.Type: GrantFiled: November 14, 2017Date of Patent: June 4, 2019Assignee: On-Bright Electronics (Shanghai) Co., Ltd.Inventors: Lieyi Fang, Jun Zhou
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Patent number: 10305485Abstract: An object of the present invention is to provide a method for effectively performing characterization for circuit verification by static timing analysis, of a programmable logic integrated circuit including a crossbar switch including a resistance-variable element, and a logic circuit logically configured with the crossbar switch, wherein: the programmable logic integrated circuit is divided into a plurality of leaf cells including a plurality of load circuits including a part of the crossbar switch, and a power supply element input to the crossbar switch; the leaf cell is divided into delay paths each including a base leaf cell and a correction leaf cell; and circuit verification is performed based on a delay information library in which a delay time for the base leaf cell and a correction delay for the correction leaf cell are integrated into a delay time for the leaf cell.Type: GrantFiled: August 31, 2016Date of Patent: May 28, 2019Assignee: NEC CORPORATIONInventors: Ayuka Tada, Noboru Sakimura, Makoto Miyamura, Yukihide Tsuji, Ryusuke Nebashi, Xu Bai, Toshitsugu Sakamoto
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Patent number: 10291414Abstract: An approach is provided in which an information handling system performs multiple tests on a memory device using different supply voltage levels. The information handling system identifies a set of memory cells in the memory that produce a same result during each of the memory tests at the different supply voltage levels, and generates a unique identifier based on the set of memory cells. In turn, the information handling system uses the unique identifier in one or more processes executed by the information handling system.Type: GrantFiled: December 11, 2017Date of Patent: May 14, 2019Assignee: International Business Machines CorporationInventor: Effendi Leobandung
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Patent number: 10284204Abstract: There are provided a logic unit circuit and a pixel driving circuit, which relate to a display technical field and are used to solve the problem that technical difficulties are increased due to mixed use of different types of transistors in the logic unit circuit. The logic unit circuit includes a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a sixth transistor, a seventh transistor, an eighth transistor, a ninth transistor and a tenth transistor of a same type. The logic unit circuit is used to realize logic gate operation.Type: GrantFiled: June 13, 2018Date of Patent: May 7, 2019Assignees: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.Inventors: Xuehuan Feng, Bo Mao
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Patent number: 10277228Abstract: A chip configured with pin-strapping includes a configuration pin coupled to a resistor, the resistor coupled a configuration circuit configured to provide a threshold voltage at a sense time interval. A configuration vector may be determined by driving the configuration pin with high impedance, and sampling the configuration pin at sense time intervals such that the configuration vector corresponds to the time interval at which a threshold voltage is reached.Type: GrantFiled: January 17, 2018Date of Patent: April 30, 2019Assignee: SEAGATE TECHNOLOGY LLCInventor: Bruce Douglas Buch
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Patent number: 10270441Abstract: Described are on-die termination (ODT) systems and methods that facilitate high-speed communication between a driver die and a receiver die interconnected via one or more signal transmission lines. An ODT control system in accordance with one embodiment calibrates and maintains termination resistances and drive currents to produce optimal output swing voltages. Comparison circuitry employed to calibrate the reference resistance is also used to calibrate the drive current. Termination elements in some embodiments are divided into two adjustable resistive portions, both of which are designed to minimize capacitive loading. One portion is optimized to produce a relatively high range of adjustment, while the other is optimized for fine-tuning and glitch-free switching.Type: GrantFiled: August 24, 2017Date of Patent: April 23, 2019Assignee: Rambus Inc.Inventors: Huy M. Nguyen, Vijay Gadde, Benedict Lau
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Patent number: 10271391Abstract: A driver for generating an output voltage to power an LED having a minimum operating voltage VLED min, comprising: (a) a first voltage converting stage comprising an input terminal and an output terminal; (b) a charge storage device electrically connected to the output terminal and having a charge output voltage VC; (c) at least one second voltage converting stage having an input electrically connected to the charge storage device, the second voltage converting stage being configured to increase said VC to at least VLED min; and (d) at least one mode controller to switch between at least a first mode and a second mode, in the first mode, the first voltage converting stage charges the charge storage device to power the LED without substantial contribution from the second voltage converting stage, and, in the second mode, the second voltage converting stage power to the LED.Type: GrantFiled: June 25, 2015Date of Patent: April 23, 2019Assignee: SORAA, INC.Inventor: Laszlo Takacs
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Patent number: 10263619Abstract: An isolation cell clamps a signal passing from a first, powered-down power domain to a second, power-on power domain. To reduce leakage current, some of the circuits and devices are connected to a voltage supply of the first or “from” power domain, while other circuits and devices are connected to a voltage supply of the second or “to” power domain.Type: GrantFiled: March 15, 2018Date of Patent: April 16, 2019Assignee: NXP USA, INC.Inventors: Peidong Wang, Miaolin Tan, Zhe Ge
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Patent number: 10262732Abstract: This disclosure introduces a programmable array logic (PAL) circuit and a method which are capable of preventing a read disturbance effect on memory cells of the PAL circuit. The PAL circuit comprises a memory array coupled to a plurality of input lines and a plurality of source lines, a plurality of input transition detection (ITD) circuits, a pulse generator and a plurality of sense amplifiers. The plurality of ITD circuits detect a transition in level of the plurality of input signals in the input lines. The pulse generator generates an enable signal according to the transition in level of the input signals. The sense amplifiers are enabled to sense the voltage levels of the source lines when the transition in levels of the input signals is detected, and the sense amplifiers are disabled when no transition in levels of the input signals is detected.Type: GrantFiled: April 24, 2018Date of Patent: April 16, 2019Assignee: Winbond Electronics Corp.Inventors: Seow Fong Lim, Chi-Shun Lin, Douk-Hyoun Ryu, Ngatik Cheung
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Patent number: 10257899Abstract: An automatically reconfiguring light-emitting circuit includes a first and second block of electric lights, a switching mechanism, the switching mechanism having (i) a first state in which the switching mechanism electrically connects the first block of electric lights in parallel with the second block of electric lights and (ii) a second state in which the switching mechanism electrically connects the first block of electric lights in series with the second block of electric lights, a current regulator that generates a current control signal in response to a current in the first group of lights and second group of lights, and a controller electrically connected to the switching mechanism, the controller configured to switch the switching mechanism between the first state and the second state based on the current control signal.Type: GrantFiled: June 29, 2017Date of Patent: April 9, 2019Assignee: LiteIdeas, LLCInventor: Paul D Rucker