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Nuvoton Technology Corporation
Nuvoton Technology Corporation_20100114

Nuvoton Technology Corporation patents


Recent patent applications related to Nuvoton Technology Corporation. Nuvoton Technology Corporation is listed as an Agent/Assignee. Note: Nuvoton Technology Corporation may have other listings under different names/spellings. We're not affiliated with Nuvoton Technology Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "N" | Nuvoton Technology Corporation-related inventors


High-voltage semiconductor device

High-voltage semiconductor devices are provided. The high-voltage semiconductor device includes a substrate having a first conductive type and an epitaxial layer having a second conductive type disposed on the substrate. The epitaxial layer includes a high-voltage unit, a low-voltage unit disposed around the high-voltage unit and a level-shift unit disposed... Nuvoton Technology Corporation

Switched capacitor dc-dc power converter circuit and voltage output method using the same

A switched capacitor DC-DC converter circuit and a method for outputting voltage using the same are disclosed. The circuit includes a switched capacitor circuit and a body bias control circuit. The on-resistance of the transistor in the switched capacitor circuit is increased by the body bias control circuit, so as... Nuvoton Technology Corporation

Switched-capacitor dc-dc convertor and control method thereof

Illustrated are a switched-capacitor DC-DC convertor and a control method thereof. The switched-capacitor DC-DC convertor includes a switched-capacitor circuit, a latched comparator and a clock generating module. The switched-capacitor circuit converts an input voltage into an output voltage through a phase switching operation. The latched comparator receives a clock signal,... Nuvoton Technology Corporation

Low-power slew rate detector for edge rate control of an output power stage

A circuit for determining a slew rate of an input signal includes a first MOSFET, a second MOSFET, and a resistor coupled in series between a ground terminal and a power terminal. The resistor is coupled between the power terminal and the second MOSFET, and the first MOSFET is coupled... Nuvoton Technology Corporation

Diode, junction field effect transistor, and semiconductor device

Provided are a diode, a junction field effect transistor (JFET), and a semiconductor device that have a top doped region. A dopant concentration gradient of the top doped region at one side is different from the dopant concentration gradient of the top doped region at an opposite side. The top... Nuvoton Technology Corporation

Control circuit for stopping voltage booster and electronic device using the same

A control circuit for stopping a booster circuit and an electronic apparatus using the control circuit are described. The electronic apparatus includes a control circuit, a booster circuit and an electronic device. The control circuit is electrically coupled to the booster circuit and the battery. The booster circuit is electrically... Nuvoton Technology Corporation

Counting device and pedometer device

A counting device and a pedometer device is described. The counting device includes: a piezoelectric sensor generating a voltage signal when pressed; a rectifier receiving the voltage signal and rectifying the voltage signal to produce a trigger signal; a non-volatile counter receiving the trigger signal, and including a plurality of... Nuvoton Technology Corporation

Electronic atomizer, anti-counterfeiting system and method thereof

An electronic atomizer capable of detecting a counterfeit liquid container is illustrated. The electronic atomizer includes a liquid container, a power supply module and a storage box. The liquid container includes an identification code carrier and an atomizing component. The liquid container accommodates fluid to be atomized, and the power... Nuvoton Technology Corporation

Dc-dc power converter circuit and a controlling output voltage of the same

A DC-DC power converter circuit includes a switched-capacitor circuit, an error amplifier, a latched comparator and a switching controller. The error amplifier adjusts an error amplification signal of the error amplifier in response to an output voltage of the switched-capacitor circuit and a reference voltage. The error amplification signal is... Nuvoton Technology Corporation

Reducing programming time of memory devices using data encoding

An apparatus for data storage includes an interface for communicating with a memory, and encoding circuitry. The memory incurs a first bit-programming duration in programming a first bit value, and incurs a second bit-programming duration, longer than the first bit-programming duration, in programming a second bit value opposite from the... Nuvoton Technology Corporation

Control chip for memory power sequence

A control chip for memory power sequence including input pins, a control circuit and output pins is provided. The control chip is compatible with a plurality of processor platforms. The input pins are configured to receive control signals corresponding to each of the processor platforms. The control circuit is configured... Nuvoton Technology Corporation

Method and protecting gate-source junction of low-voltage mosfet in high-voltage circuit

A high-voltage circuit has a protection circuit protecting a low-voltage MOSFET. A first MOSFET, a low-voltage device with a gate coupled to an input voltage, is coupled in a series with a second MOSFET which is a high-voltage device, both of a first conductivity type. A protection circuit includes a... Nuvoton Technology Corporation

System and methods for increasing useful lifetime of a flash memory device

A system for improving utilization of a nonvolatile flash memory device which has pages whose guaranteed per-cycle erase time and guaranteed number of cycles are known, the system comprising erase time determination functionality for individual pages; de-facto total erase-time accumulation functionality incrementing, for each erase cycle to which an individual... Nuvoton Technology Corporation

Authentication electronic governor of unmanned aerial vehicle

An authentication system and method for an electronic governor of an unmanned aerial vehicle is disclosed. By employing reciprocative authentication and encryption mechanisms between a main control terminal and an electronic governor, the use of a modified electronic governor is prevented and thus the illegal use of UAVs is also... Nuvoton Technology Corporation

Input/output buffer circuit for avoiding malfunctioning in processing signals

An input/output (I/O) buffer circuit includes an I/O unit, a first register and a second register. The I/O unit selectively transmits digital signals and analog signals according to a first enable signal, and selectively receives signals and outputs signals at an I/O terminal according to a second enable signal. The... Nuvoton Technology Corporation

Secure storage on external memory

A cryptography apparatus includes multiple multiplication units and logic circuitry. The multiplication units are arranged in two or more multiplication levels, and are configured to operate in accordance with Galois-Field (GF) arithmetic over respective Galois fields. The logic circuitry is configured to receive input data whose word-size exceeds a maximal... Nuvoton Technology Corporation

Communication device, communication system and operation method thereof

A communication device, a communication system and an operation method thereof are provided. The communication device includes a micro-controller unit (MCU) and a field programmable gate array (FPGA). The FPGA is coupled to the MCU, and is configured to execute a first communication protocol to work with the MCU so... Nuvoton Technology Corporation

Non-volatile memory device and operating method thereof

A non-volatile memory (NVM) device includes a logic memory circuit, a NVM element, a writing circuit and a reading circuit. The input terminal of the writing circuit and the output terminal of the reading circuit are coupled to the output terminal of the logic memory circuit. The first output terminal... Nuvoton Technology Corporation

Memory apparatus and data access method thereof

A memory apparatus and a data access method thereof are provided. The memory apparatus includes a first memory unit and a second memory unit, wherein an access speed of the second memory unit is higher than an access speed of the first memory unit. The method includes: receiving write data... Nuvoton Technology Corporation

Reference voltage circuit

A reference voltage circuit is provided, which includes bandgap reference circuit, bias current generator, first capacitor, second capacitor, comparator and control logic circuit. In the active mode of the control logic circuit, the control logic circuit controls the bandgap reference circuit to deliver bandgap reference voltage. The comparator transmits first... Nuvoton Technology Corporation

Fan driver system and analog fan drive chip

A fan driver system is provided, which includes a PWM generator, a DC generator, a control unit, a pull-down resistor and an integrator. The DC generator generates a DC test voltage, and a voltage of the pull-down resistor is detected to generate a determination signal. The PWM generator provides first... Nuvoton Technology Corporation

Unmanned aerial vehicle operator identity authentication system

An unmanned aerial vehicle operator identity authentication system is provided, including a flight control module and a license certificate module connected with each other. The flight control module includes a first encryption and decryption unit for generating a random number code, and a first storage unit for storing a license... Nuvoton Technology Corporation

Dual-mode regulator circuit

The present disclosure illustrates a dual-mode regulator circuit comprising: a first output terminal; a second output terminal; a switching regulator circuit coupled to the first output terminal and comprising a first transistor coupled between the first output terminal and ground; a linear regulator circuit coupled to the second output terminal... Nuvoton Technology Corporation

Method and a delay locked power supply regulator

A voltage regulator includes a delay chain having a plurality of delay elements, a thermometer to binary encoder coupled to multiple nodes in the delay chain to provide a first binary number that is indicative of an estimated delay of the delay chain, and a latch coupled to the thermometer... Nuvoton Technology Corporation

Bus system

A bus system is provided. The bus system includes a master device, a bus and a plurality of slave devices. The slave devices and the master device are electrically connected through the bus. The master device communicates with the slave devices by using a one-to-one communication mechanism. The slave devices... Nuvoton Technology Corporation

Systems and methods for cache memory authentication

Apparatus for authentication of system memory content, the apparatus operative in conjunction with system memory storing content (code or non-code) utilized by a CPU, the apparatus comprising cache memory and an authentication module configured to use free time over a memory interface defined between the system memory and the cache... Nuvoton Technology Corporation

Switch-scanning circuit and method thereof

A switch-scanning circuit includes a chip and switching units. The chip includes pins having an output operation mode and an input operation mode, and a processing unit. The processing unit sets one of the pins as an input pin and the rest of the pins as output pins sequentially according... Nuvoton Technology Corporation

Computer status diagnosis chip and computer status diagnosis system including the same

A computer status diagnosis chip and a computer status diagnosis system including the same are provided. The chip is connected with the computer chip set and the first audio generator, and includes a receiving unit, an audio encoder and a driving unit. The receiving unit receives a detection signal from... Nuvoton Technology Corporation

Master electronic device and communication the same

A master electronic device used to perform communication with a slave electronic device is provided. The master electronic device includes a power module, an input and output (I/O) module, a processing module, a sample and hold module and a control module. The power module outputs power having a default operation... Nuvoton Technology Corporation

Control over-temperature protection, driver chip and control system of over-temperature protection

A control method of over-temperature protection, a driver chip and a control system of over-temperature protection are disclosed. The control method includes the following steps: a driver chip provides an output voltage to drive a DC fan. A temperature of the driver chip is detected by an over-temperature detection module.... Nuvoton Technology Corporation

Debugging system and method

A debugging system includes an embedded device and a terminal computer. The embedded device includes a memory unit, and the memory unit includes a first buffer, the embedded device is configured for executing at least one instruction to generate at least one real-time debugging information, and writing the real-time debugging... Nuvoton Technology Corporation

Home appliance control system and control method thereof

A home appliance control system is provided. The home appliance control system includes a portable device and a home appliance device. The portable device includes a first microphone, a first speaker, and a first processor. The first processor provides a first packet formed by a plurality of first audio signals... Nuvoton Technology Corporation

Driving circuit

An embodiment of a driving circuit is provided. The driving circuit is coupled to an I/O pad. The driving circuit includes an output driver, a first termination resistor, a second termination resistor and a monitoring circuit. The output driver outputs an output data via the I/O pad. The first termination... Nuvoton Technology Corporation

Charging method, charging controller and charging system

A charging method, a charging controller and a charging system are provided. The method includes the following steps: when a power receiving device is charged by a charging device through a transmission cable with a charging voltage, a current passing through a battery charging circuit is detected by a sensor.... Nuvoton Technology Corporation

Function programmable circuit and operation method thereof

A function programmable circuit and an operation method thereof are provided. The function programmable circuit includes a micro-controller unit (MCU) and a field programmable gate array (FPGA). The FPGA is coupled to the MCU, and is capable of being configured to execute a first function and work with the MCU... Nuvoton Technology Corporation

01/05/17 / #20170005441

Connector and manufacturing method and updating the same

A connector includes a metal connecting element, a solder pad, and a control chip. Multiple contacts are disposed on the metal connecting element, and the metal connecting element is configured to connect with an electronically marked cable. The solder pad is disposed on a surface of the metal connecting element.... Nuvoton Technology Corporation

01/05/17 / #20170005643

Voltage generator, oscillation device and operation method

A voltage generator and an oscillation device, and an operation method thereof are disclosed. The oscillation device includes a non-volatile memory, the voltage generator and a voltage-controlled oscillation (VCO) circuit. The voltage generator includes a current source. The current source provides a current flowing through the at least one non-volatile... Nuvoton Technology Corporation








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