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Chin-Hsiung Chang

Chin-Hsiung Chang, Tai-Chung TW

Patent application numberDescriptionPublished
20090062664BLOOD PRESSURE MEASUREMENT DEVICE - A blood pressure measurement device. The device comprises a measurement component for measuring blood pressure and a display component for displaying the blood pressure data measured. The display component is adapted to display simultaneously at least two sets of blood pressure measurement data measured at different date or time. Alternatively, the device further comprises a measurement state control component for recording and storing at least one measurement state related to the measurement of the blood pressure, and means for providing the at least one measurement state. Alternatively, the device further comprises an interfacing component that comprises a bi-direction multifunctional port, for exchanging blood pressure data measured between the blood pressure measurement device and at least one external device.03-05-2009
20090063098SYSTEM AND METHOD FOR PROVIDING NOTES IN MEASUREMENT DEVICES - A measurement device with capabilities of note taking. The measurement device comprises at least one measurement component, adapted to perform measurement in at least one measuring event of the measurement device; a note control component, adapted to obtain and record at least one note input with respect to the at least one measuring event; and a Central Processing Unit (CPU), adapted to link the at least one note with the at least one measuring event.03-05-2009
20090063185SYSTEM FOR INTEGRATING AND MANAGING HEALTH RELATED INFORMATION - A system for integrating and managing health related information. The system comprises at least one portable data storage device, adapted to store data comprising health related information; at least one external device, adapted to provide health related information; and at least one component adapted to manipulate the health related information stored in the at least one portable data storage device. The at least one external device and the at least one component are adapted to exchange data with the at least one portable data storage device, when the at least one portable data storage device is removably connected with the at least one external device or the at least one component. The health related information in the at least one portable data storage device is stored in a specific format, and is accessible by any external device or component in the system.03-05-2009
20090249464FIREWALL FOR REMOVABLE MASS STORAGE DEVICES - A firewall device comprising a first connection device for connecting with a data device supporting transfer data with a removable mass storage device; second connection device for connecting with the removable mass storage device; and a microprocessor, adapted to control and secure data transfer between the data device and the removable mass storage device.10-01-2009
20100153071System and method for providing notes in measurement devices - A measurement device. The measurement device comprises a note control component, adapted to obtain and record a note that is input with respect to a measuring event of the measurement device; and a Central Processing Unit (CPU), adapted to link the note with the measuring event.06-17-2010

Chin-Hsiung Chang, Wufong Township TW

Patent application numberDescriptionPublished
20090261744Phase-control dimming electronic ballast system and control method thereof - A phase-control dimming electronic ballast system and the control method thereof, wherein the system includes a phase controller, a converter, an inverter and a system controller. Moreover, the system controller senses a firing angle from the phase controller, and adjusts the output voltage of the converter and the switching frequency of the inverter to achieve the operation of dimming fluorescent lamp.10-22-2009

Chin-Hsiung Chang, Kaohsiung City TW

Patent application numberDescriptionPublished
20090193609Apparatus for Cleaning a Rubbing Cloth - An apparatus for cleaning a rubbing cloth disposed on an alignment roller includes: a first support member to be disposed parallel to the alignment roller; a second support member to be disposed parallel to the alignment roller and spaced apart from the first support member at a predetermined distance; and a cleaning cloth disposed on and extending between the first and second support members. The cleaning cloth cleans the rubbing cloth by rubbing.08-06-2009

Chin-Hsiung Chang, Taichung County TW

Patent application numberDescriptionPublished
20080261775Wheel assembly of exercise machine capable of presetting resistance parameters - A wheel assembly of an exercise machine includes a base having a fixed disk. A flywheel is provided on the base. A damper, which is provided on the fixed disk, has a displacement mechanism and a magnet assembly connected to the displacement mechanism and moved by the displacement mechanism toward or away from the flywheel. A motor is provided on the fixed disk and connected to the displacement mechanism for adjusting a position of the magnet assembly. A control circuit, which has a processor, an angle sensor connected to the processor and a memory, is connected to the motor and the damper to sense the position of the magnet assembly and control the motor driving the displacement mechanism to adjust the position of the magnet assembly. Therefore, the memory stores resistance parameters of presetting the magnet assembly acting on the flywheel to achieve the presetting function.10-23-2008

Chin-Hsiung Chang, Taichung City TW

Patent application numberDescriptionPublished
20120126734ALTERNATING CURRENT CHOPPER CIRCUIT WITH LOW NOISE - An alternating current chopper circuit with low noise is disclosed. The circuit includes a switching circuit, a first freewheel circuit, and a second freewheel circuit. The switching circuit has a control switching unit, which turns on and or off accordingly to a control signal. The first freewheel circuit and the second freewheel circuit are for providing a current-conducting path to the motor, when the control switching unit is turned off.05-24-2012