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Leadtrend Technology Corp patents (2016 archive)


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

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "L" | Leadtrend Technology Corp-related inventors


Power supplies and control methods suitable for sequentially transmitting command bits from secondary side

A control circuit suitable for a power supply. The power supply has a transformer with a primary winding and a secondary winding magnetically coupled to each other. ... Leadtrend Technology Corp

Controller of a power converter and operation method thereof

A controller of a power converter includes a sample-and-hold unit and an adjustment unit, wherein the power converter is applied to a universal serial bus power delivery adapter system. The sample-and-hold unit is used for sampling a voltage to generate a sampling voltage during each period of a gate control signal, wherein the sampling voltage corresponds to an output voltage of the power converter. ... Leadtrend Technology Corp

Protection circuit applied to an alternating current power source and related protection method thereof

A protection circuit applied to an alternating current (ac) power source includes a sample-and-hold unit, a detection unit, and a discharge signal generation unit. The sample-and-hold unit samples a peak value of a direct current (dc) voltage during each period of a corresponding ac voltage, wherein the ac power source provides the ac voltage. ... Leadtrend Technology Corp

Frequency controller of a power converter and related frequency control method

A frequency controller of a power converter includes a valley signal generation unit, a valley selection module, and a gate signal generation unit. The valley signal generation unit generates a valley signal corresponding to a voltage according to the voltage and a reference voltage. ... Leadtrend Technology Corp

Simo based dc-dc converters for thermoelectric energy harvesting

A single-inductor multiple-output (simo) power converter converts an input voltage into an output voltage and a biasing voltage. The simo power converter comprises an inductor and a primary power switch, and a control circuit. ... Leadtrend Technology Corp

Drivers and driving methods for a led string, capable of providing led short protection or avoiding led flickering

The disclosure regards to drivers and driving methods for a led string consisting of leds. The led string and a current switch are coupled in series between a power line and a ground line. ... Leadtrend Technology Corp

Super high voltage device and method for operating a super high voltage device

A super high voltage device includes a first gate, a second gate, a drain, a first source, a second source, and a third source. The first gate is used for receiving a first control signal generated from a pulse width modulation controller. ... Leadtrend Technology Corp

Methods and power controllers for primary side control

Power controllers and related primary-side control methods are disclosed. A disclosed power controller has a comparator and an on-triggering controller. ... Leadtrend Technology Corp

Controller with leakage current protection of a diode and operation method thereof

A controller with leakage current protection of a diode includes a comparison unit, a reference voltage generation unit, a time out signal generation unit, and a gate signal generation unit, wherein the diode is applied to a secondary side of a power converter. The comparison unit outputs a corresponding selection signal according to a compensation voltage and a threshold. ... Leadtrend Technology Corp

Oscillator applied to a control circuit of a power converter and control method thereof

An oscillator applied to a control circuit of a power converter includes a compensation module and an oscillation module. The compensation module outputs or sinks an adjustment current according to a compensation voltage corresponding to a load, a direct current voltage of a primary side of the power converter, and a reference voltage. ... Leadtrend Technology Corp








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This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. Freshpatents.com is not affiliated or associated with Leadtrend Technology Corp in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Leadtrend Technology Corp with additional patents listed. Browse our Agent directory for other possible listings. Page by FreshPatents.com

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