Jia-Min
Jia-Min Huang, San Chong TW
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20080259032 | Wheel assembly of a computer input device - A computer input device has a body that includes a housing that has a top and a lateral side, with an opening provided in the lateral side. A micro switch is positioned inside the housing, with a shaft extending from the housing through the opening. A wheel assembly is located on the lateral side of the body, and extends from the opening of the body in a manner where the wheel assembly can be rotated about an axis defined by the shaft, and can be depressed against the shaft to activate the micro switch. | 10-23-2008 |
Jia-Min Liu, Taipei City TW
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20100018486 | Cathode energy fuel-saving device - A cathode energy fuel-saving device including a strap body having at least one cathode energy mineral-containing band section containing cathode energy mineral powders. The strap body can be wound and tightened around a fuel inlet pipe or intake pipe of an internal combustion engines. The cathode energy mineral-containing band section of the strap body is able to enhance activity and combustibility of the fuel and air entering the fuel inlet pipe and intake pipe so as to promote combustion efficiency of the internal combustion engine and reduce fuel consumption. Two ends of the strap body are respectively provided with hooked section and latch member, which can be easily latched with each other to tighten the strap body around the fuel inlet pipe or intake pipe. | 01-28-2010 |
Jia-Min Ren, Hsinchu City TW
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20140032109 | ROUTE RECOMMENDATION SYSTEM AND METHOD THEREOF - A route recommendation system is provided. The system has: a data querying apparatus configured to generate query information according to a location; and a data analyzing apparatus, connected to the data querying apparatus, having: a database configured to store at least one candidate data, wherein each candidate data has a candidate location, at least one recommended location corresponding to the candidate location, and a recommended staying time of each recommended location; a data receiving unit configured to receive the query information; and a processing unit configured to generate at least one recommended route according to the query information and the candidate data, and transmit the at least one recommended route to the data querying apparatus, wherein the recommended route comprises a path from the location to the at least one recommended location, and the recommended staying time corresponding to each recommended location. | 01-30-2014 |
Jia-Min Shen, Kaohsiung TW
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20100085784 | Ripple Voltage Suppression Method for DC/DC Converter and Apparatus Thereof - A ripple voltage suppression apparatus includes a DC/DC converter and a control circuit. The DC/DC converter has a power electronic switch. The control circuit has a voltage detector detecting a DC output voltage of the DC/DC converter, a ripple voltage suppression circuit receiving the detected DC output voltage to generate an AC control signal for controlling an AC component of a duty ratio of the power electronic switch, an output voltage regulation circuit receiving the detected DC output voltage to generate a DC control signal for controlling an DC component of a duty ratio, an adder adding the AC and DC control signals to form a combined control signal, and a PWM circuit converting the combined control signal into a PWM signal to control the power electronic switch. Only the DC output voltage of the DC/DC converter has to be detected for the control circuit. | 04-08-2010 |
20150122312 | Shadowing Compensation Device for Solar Cell Module - A shadowing compensation device for solar cell module has an input port, an isolated DC-DC power converter, and an output port. The input port is connected to two output ends of a solar cell array comprised of multiple solar cell modules connected in series. The output port is connected to one of the multiple solar cell modules of the solar cell array. When one of the solar cell modules connected to the output port of shadowing compensation device has been shaded, the isolated DC-DC power converter outputs a compensating current to the solar cell module been shaded for increasing the output voltage of the solar cell module been shaded, and increasing the output voltage and output power of the solar cell array. | 05-07-2015 |
20160056820 | Rapid Cutoff Device and Operation Method for SCR DC Switches - A rapid cutoff device includes a thyristor DC switch, a switch and a capacitor. An operation method includes: connecting the thyristor DC switch between a first DC circuit and a second DC circuit; serially connecting the switch and the capacitor which further parallel connects the first DC circuit; when the thyristor DC switch is conducted, supplying a DC current via the thyristor DC switch; when a drive signal of the thyristor DC switch stops, operating the switch to conduct the capacitor which is charged by the first DC circuit to rapidly lower a current of the thyristor DC switch approaching a zero value, thereby rapidly cutting of the thyristor DC switch. | 02-25-2016 |
20160065209 | Rapid Cutoff Device and Operation Method for SCR AC Switches - A rapid cutoff device includes a thyristor AC switch for supplying an AC current from a first AC circuit to a second AC circuit. A serially-connected circuit of a first switch and a first capacitor parallel-connects with the first AC circuit. A serially-connected circuit of a second switch and a second capacitor parallel-connects with the second AC circuit. When cutting off the thyristor AC switch, the first switch is operated to conduct the first capacitor in a first direction for the AC current charging to the first capacitor, alternatively, the second switch is operated to conduct the second capacitor in a second direction for the AC current charging to the second capacitor, thereby lowering a current in the thyristor AC switch approaching a zero value and thus rapidly cutting off it. | 03-03-2016 |
Jia-Min Wang, San Jose, CA US
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20150293174 | API-BASED PATTERN-CONTROLLED TEST ON AN ATE - Method and apparatus for performing Pattern-Controlled tests on an automatic test equipment (ATE). The ATE includes a diagnostic instrument and a control device. An application programming interface (API) is installed in the control device and operates to interact with a test program and thereby automatically controls the diagnostic instrument to perform a test. The test program is coded in a high-level programming language and defines a plurality of operation events for the test based on user input. The API identifies the operational events and determines respective operational types associated therewith. Events of an operational type are assigned to a respective pattern label. The pattern labels are then aggregated into a pattern burst which is downloaded to the diagnostic instrument. | 10-15-2015 |
Jia-Min Zhang, Shenzhen CN
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20080239652 | COMPUTER ENCLOSURE WITH DRIVE BRACKET - A computer enclosure includes a cover panel, a blocking piece attached to the cover panel, and a drive bracket secured in the computer enclosure. The drive bracket includes a side panel. A top flange is perpendicularly bent out from a top edge of the side panel. The blocking piece includes a flange. The flange extends downwardly and perpendicularly from edges of the block. The flange of the blocking piece resists against the top flange of the drive bracket in order to prevent the drive bracket from deforming outward. | 10-02-2008 |
Jia-Min Zhang, Taoyuan Hsien TW
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20140145654 | APPARATUS AND METHOD FOR MEASURING POSITION DEVIATION OF ROTOR OF PERMANENT MAGNET SYNCHRONOUS MOTOR - An apparatus for measuring a position deviation of a rotor of a permanent magnet synchronous motor includes a control unit, a power transformation unit, a rotor position estimator and a calculation unit. The control unit receives a d-axis DC voltage signal and a q-axis AC voltage signal and receives an initial value of the rotor position and a high-frequency signal to output a three-phase command signal. The power transformation unit receives the three-phase command signal and outputs a three-phase control signal for controlling the motor. The rotor position estimator receives a three-phase current feedback signal corresponding to an operation of the motor and generates an estimation value of the rotor position. The calculation unit performs calculation to the initial value and the estimation value to generate a deviation value of the rotor position. Moreover, a method for measuring the position deviation is also disclosed herein. | 05-29-2014 |
Jia-Min Zhang, Taoyuan City TW
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20160134202 | CONTROL SIGNAL GENERATING SYSTEM AND INVERTER CONTROL DEVICE THEREOF - Inverter control device is provided. First correcting-signal providing unit of the inverter control device provides a signal reflecting an active power correcting signal. Active power control unit of the inverter control device generates an angle control signal reflecting an output voltage phase of an inverter. Second correcting-signal providing unit of the inverter control device provides a signal reflecting a reactive power correcting signal. Reactive power control unit of the inverter control device generates a control signal reflecting an output voltage amplitude of the inverter. Processing unit of the inverter control device receives a feedback signal reflecting an output current of the inverter, a feedback signal reflecting an output voltage of the inverter, the angle control signal, and the control signal, and outputs a signal reflecting the active power of the inverter, a signal reflecting the reactive power of the inverter, and a voltage command signal. | 05-12-2016 |