Kuan-Sheng
Kuan-Sheng Huang, Dashu Township TW
Patent application number | Description | Published |
---|---|---|
20090153220 | SOURCE DRIVER AND POWER DOWN DETECTOR THEREOF - The present invention discloses a source driver powered by a power supply comprising at least one channel, at least one output pad coupled to the channel, at least one switch connected between the output pad and a predetermined voltage, and a power down detector for detecting whether a first supply voltage from the power supply is insufficient and generating a reset signal to turn on the switch if yes. | 06-18-2009 |
Kuan-Sheng Wang, Taipei TW
Patent application number | Description | Published |
---|---|---|
20120262947 | INTEGRATED CONTROL CIRCUIT OF SETTING BROWN-IN VOLTAGE AND COMPENSATING OUTPUT POWER AND METHOD FOR OPERATING THE SAME - An integrated control circuit of setting brown-in voltage and compensating output power and a method for operating the same are disclosed. The integrated control circuit is applied to a power supply. The integrated control circuit includes a control unit and a voltage regulation unit. The control unit has a control pin and a driven current outputs from or inputs into the control unit via the control pin. The voltage regulation is electrically connected to a DC input voltage terminal of the power supply and the control unit, thus receiving a DC input voltage and the driven current. By dividing the DC input voltage and the produced voltage by the driven current, a compound voltage is produced. Therefore, the fixed brown-in voltage is set and the output power is compensated when the power supply is operated under different input voltage levels. | 10-18-2012 |
Kuan-Sheng Wang, Chupei City TW
Patent application number | Description | Published |
---|---|---|
20130308791 | APPARATUS AND METHOD FOR REDUCING AUDIBLE NOISE OF POWER SUPPLY - A method for reducing audible noise of a power supply provides a PWM signal for controlling a power converter. First, a feedback voltage is produced by detecting an output voltage of the power converter. Afterward, a burst-in voltage and a burst-out voltage are set. Afterward, a voltage level of the burst-in voltage or a voltage level of the burst-out voltage is dynamically varied. Afterward, the PWM signal is switched off when the feedback voltage is less than the burst-in voltage. Final, the PWM signal is switched on when the feedback voltage is greater than the burst-out voltage. | 11-21-2013 |
20140133193 | METHODS FOR FLYBACK CONVERTER - Methods for flyback converters are provided. The method, adopted by a flyback converter circuit including a transformer, including: determining an output voltage output from a secondary circuit of the transformer; feeding a feedback voltage based on the output voltage from the secondary circuit back to a primary circuit of the transformer; increasing a current limit and a switching frequency of a primary current with the feedback voltage; and supplying the primary current to a primary winding of the transformer. | 05-15-2014 |
20140340944 | METHOD PROVIDING SHORT-CIRCUIT PROTECTION AND FLYBACK CONVERTER UTILIZING THE SAME - A method providing short-circuit protection and a flyback converter utilizing the same wire are disclosed. The a method, adopted by a flyback converter, includes a transformer, including generating a feedback voltage according to an output voltage output from a secondary winding of the transformer; controlling a primary current through a primary winding of the transformer based on the feedback voltage; determining a sense voltage according to the primary current; determining a short circuit based on the sense voltage; setting the primary current according to a short-circuit sense voltage limit when a short circuit occurs; and setting the primary current according to a normal sense voltage limit when a short circuit does not occur. | 11-20-2014 |
Kuan-Sheng Wu, Taipei City TW
Patent application number | Description | Published |
---|---|---|
20140111915 | GUIDING MODULE AND ELECTRONIC DEVICE USING THE SAME - A guiding module suitable for guiding an object to pass through an opening of the guiding module and an electronic device using the same are provided. The guiding module includes a body having the opening, a pair of sliding rails and a guiding component. The object passes through the opening along an embedding direction and is embedded therewith. The sliding rails are disposed at the body, extend along the embedding direction, and are respectively located at two opposite sides of the opening. The guiding component is slidably disposed at the sliding rails and has an alignment region which includes at least one first magnetic component. When the object approaches the opening, the object located at the alignment region is magnetically attracted by the first magnetic component, and the object is embedded to the body through the opening. | 04-24-2014 |