Patent application number | Description | Published |
20090153931 | PROJECTION SYSTEM, PROJECTION LENS MODULE, OPTICAL ACTUATOR AND ITS DRIVING METHOD - A driving method of an optical actuator is applied to a projection system. The optical actuator includes a carrier, an optical element and an actuator component. The optical element is disposed at the carrier. The actuator component drives the carrier to rotate an angle. The driving method includes the steps of providing a driving signal having an initial section and a target section, and shifting the optical element between a position driven by the initial section and a position driven by the target section via the actuator component according to a first acceleration-deceleration section and a second acceleration-deceleration section. In addition, an optical actuator, a projection lens module and a projection system are also disclosed. | 06-18-2009 |
20120139560 | TOUCH APPARATUS - A touch apparatus includes a touch unit, a detecting unit, and a compensation unit. The touch unit has a touch substrate and at least one conductive layer. The conductive layer is disposed on the touch substrate. The detecting unit is electrically connected with the conductive layer of the touch unit and outputs a driving signal to the conductive layer. A first parasitic capacitance is formed between the detecting unit and a ground. The compensation unit is electrically connected with the detecting unit and the touch unit and outputs a compensation signal to the first parasitic capacitance. Hence, the touch apparatus can eliminate the parasitic capacitance effect. | 06-07-2012 |
20120139867 | CAPACITIVE TOUCH APPARATUS - A capacitive touch apparatus includes a first touch unit, a first voltage difference retrieving unit, a first feedback signal generating unit, and a control unit. The first touch unit has a touch substrate and a first conductive layer. The first voltage difference retrieving unit is electrically connected with the first conductive layer and outputs a first voltage signal and a second voltage signal. The first feedback signal generating unit outputs a first feedback signal according to the variation of the voltage difference between the first voltage signal and the second voltage signal. The control unit receives the first feedback signal for computing the touch position and outputs a power signal to the first voltage difference retrieving unit. Hence, the capacitive touch apparatus improves the sensing speed and reduces the manufacturing cost by the simple circuit design. | 06-07-2012 |
20120176330 | TOUCH MODULE AND ANALYZING METHOD FOR TOUCHING COORDINATION THEREOF - A touch module and an analyzing method for a touching coordinate are disclosed. The touch module includes a plurality of sensing lines, which includes a first sensing line, a second sensing line and a third sensing line. The second sensing line is located between the first sensing line and the third sensing line. The analyzing method includes the steps of: calculating a first calculation value according to a first sensing signal from the first sensing line and a second sensing signal from the second sensing line; calculating a second calculation value according to the second sensing signal and a third sensing signal from the third sensing line; and calculating a touching coordinate value according to the first calculation value, the second calculation value and a reference value. | 07-12-2012 |
Patent application number | Description | Published |
20110062373 | MAGNETOCALORIC STRUCTURE - A magnetocaloric structure includes a magnetocaloric material and at least one protective layer. The magnetocaloric material has bar type or plank type. The protective layer is disposed on the magnetocaloric material. | 03-17-2011 |
20110067415 | MAGNETIC COMPONENT COMPILING STRUCTURE AND MAGNETIC REFRIGERATOR ADAPTING MAGNETIC COMPONENT COMPILING STRUCTURE THEREOF - A magnetic component compiling structure and a magnetic refrigerator adapts the magnetic component compiling structure thereof. The magnetic component compiling structure has more refrigerating beds and less permanent magnet per volume. Hence, the magnetic refrigerator saves more costs during manufacturing, and achieves higher cooling efficiency. | 03-24-2011 |
20120013219 | POWER GENERATION DEVICE - A power generation device is disclosed, which includes a plurality of thermomagnetic generator and a flow controller. The thermomagnetic generators can acquire first fluids respectively. The flow controller can control flow rates of the second fluids flowing into the thermomagnetic generators respectively, wherein a fluid temperature of the first fluid is different from a fluid temperature of the second fluid. | 01-19-2012 |
20130017386 | MAGNETOCALORIC MATERIAL STRUCTURE - A magnetocaloric material structure is disclosed. The magnetocaloric material structure includes a magnetocaloric material body and a plurality of channels. The channels are located in the magnetocaloric material body. The cross-section of the channels has a center disposed according to the following formula: L | 01-17-2013 |
20130020529 | METHOD FOR MANUFACTURING MAGNETO CALORIC DEVICE - Disclosed herein is a method for manufacturing a magneto caloric device. Magneto caloric powders are mixed with thermally conductive powders to form a composite material. An adhesive containing an acrylic resin is poured on the composite material and diffused among the composite material. The adhesive is cured within the composite material at a room temperature. | 01-24-2013 |
20130061602 | MAGNETIC HEAT EXCHANGE UNIT - A magnetic heat exchange unit includes a magnetocaloric material, and at least one fluid pathway. The fluid pathway is formed in the magnetocaloric material and has a fluid inlet and a fluid outlet. A main fluid flowing direction is defined between the fluid inlet and the fluid outlet, and the cross-section of the fluid pathway varies along the main fluid flowing direction. | 03-14-2013 |
20130104568 | MAGNETIC COOLING DEVICE AND MAGNETOCALORIC MODULE THEREOF | 05-02-2013 |
20130106116 | THERMOMAGNETIC GENERATOR | 05-02-2013 |
20130111925 | COOLING SYSTEM - A cooling system is provided. The cooling system includes a heat transfer means, a cool transfer means, and a magnetic-cooler. The magnetic-cooler includes a first magnetic member, a second magnetic member, a bed and a magnetic valve unit. The bed includes a working material, wherein the bed rotates between a first position and a second position, and when the bed is in the first position, the working material is magnetized, and when the bed is in the second position, the working material is demagnetized. Also, when the bed is in the first position, the magnetic valve unit controls a first fluid to travel between the heat transfer means and the working material, and when the bed is in the second position, the magnetic valve unit controls a second fluid travel between the cool transfer means and the working material. | 05-09-2013 |
20130247572 | MAGNETIC THERMAL DEVICE - A magnetic thermal device is provided. The magnetic thermal device includes a shaft, having an axis direction; a rotator, supported by the shaft, having a working material and a utility material; a magnetic assembly, adjacent to the rotator, for generating a magnetic flux passing through the rotator in a flux direction, wherein the flux direction is substantially perpendicular to the axis direction. | 09-26-2013 |
20130258593 | THERMO-MAGNETIC POWER GENERATION SYSTEM - A thermo-magnetic power generation system includes a thermo-magnetic power generation device, a first circulating device, and a second circulating device. The first circulating device and the second circulating device are connected to the thermo-magnetic power generation device. The liquid is heated by the first circulating device and cooled by the second circulating device. The heated liquid and the cooled liquid transmitted to the thermo-magnetic element are recycled by the first circulating device and the second circulating device. | 10-03-2013 |
20130263599 | THERMAL MAGNETIC ENGINE AND THERMAL MAGNETIC ENGINE SYSTEM - A thermal magnetic engine and a thermal magnetic engine system are disclosed. The thermal magnetic engine includes a fixed element, a rotation element, working fluid and a fin structure. The rotation element includes a working material. The rotation element rotates relative to the fixed element. The working fluid flows through the rotation element and forms a temperature difference on the working material. The fin structure is disposed on the rotation element. The rotation element rotates along a rotating direction due to the temperature difference on the working material and/or due to the flowing of the first working fluid through the fin structure. | 10-10-2013 |
20130319012 | MAGNETIC COOLING DEVICE - A magnetic cooling device is provided, including a magnetocaloric module and a magnetic unit movably disposed around the magnetocaloric module. The magnetocaloric module comprises a bed, a first magnetocaloric member, a second magnetocaloric member, and a third magnetocaloric member received in the bed, wherein the first and third magnetocaloric members are respectively close to a cold end and a hot end of the magnetocaloric module. Specifically, the first, second, and third magnetocaloric members are arranged along a central axis of the magnetocaloric module, and the weight of the third magnetocaloric member exceeds that of the first and second magnetocaloric members. A thermal fluid sequentially flows through the first, second, and third magnetocaloric members to transfer heat from the cold end to the hot end of the magnetocaloric module. | 12-05-2013 |
Patent application number | Description | Published |
20080290586 | PAPER-FEEDING MECHANISM OF AUTOMATIC DOCUMENT FEEDER - A paper-feeding mechanism of an automatic document feeder includes a pick-up module, a supporting module and a paper stopping module. The pick-up module is used for picking an uppermost paper sheet from the stack of paper sheets and transporting the uppermost paper sheet into a passageway inside the automatic document feeder. The supporting module supports the pick-up module and is rotated to either ascend or descend the pick-up module, wherein the supporting module has a sustaining part on a sidewall thereof. When the supporting module and the pick-up module are downwardly rotated, the stopping plate is moved vertically to a paper-feeding position for allowing the uppermost paper sheet to be transported into the passageway. When the supporting module and the pick-up module are upwardly rotated, the stopping plate is moved vertically to a paper-stopping position for hindering the uppermost paper sheet from being transported into the passageway. | 11-27-2008 |
20090085276 | PAPER GUIDE ADJUSTING MECHANISM AND OFFICE MACHINE USING SUCH MECHANISM - A paper guide adjusting mechanism of an office machine includes a main body, a plurality of elastic elements, a transmission member, a plurality of fixing elements and a pressing plate. The main body includes a plurality of confining elements, which have respective recess structures. The transmission member includes a roller axle and a plurality of rollers, wherein the roller axle is partially received in the recess structures and the rollers are sheathed around the roller axle. The fixing elements are disposed in respective recess structures of the confining elements, wherein each fixing element has a base and the base has a first surface sustained against a corresponding elastic element and a second surface sustained against the roller axle. The pressing plate is sustained against the elastic elements. | 04-02-2009 |
20090118044 | BELT TENSION ADJUSTMENT MECHANISM - The present invention relates to a belt tension adjustment mechanism for use with a device including a main body and a belt pulley set. The belt pulley set includes a belt. The belt tension adjustment mechanism includes a slab, at least two tension pulleys and a fixing element. A tight tension force and a slack tension force are exerted on the opposite sides of the belt to define a tight side and a slack side of the belt when the belt pulley set runs. A counterforce is generated from the tight side of the belt to exert on the tension pulley contacting with the tight side, the slab is moved in response to the counterforce. The slack side of the belt is suppressed by the tension pulley contacting with the slack side such that the slack tension force is adjustable. | 05-07-2009 |
20100127448 | SHEET SEPARATING DEVICE WITH NOISE SUPPRESSING FUNCTION AND AUTO DOCUMENT FEEDER HAVING SUCH SHEET SEPARATING DEVICE - A sheet separating device having a noise suppressing function is used with an auto document feeder. The sheet separating device includes a sheet separating pad, a sheet separating holder, a resilient element and a noise suppressing element. The sheet separating pad cooperates with a sheet separating roller to separate a paper sheet fed into a sheet-guiding path of the auto document feeder. The sheet separating pad is disposed on the sheet separating holder. The resilient element is sustained against or coupled to the sheet separating holder, so that sheet separating pad disposed on the sheet separating holder is urged against the sheet separating roller. The noise suppressing element is arranged on the sheet separating holder for altering the natural frequency dynamic response of an assembly of the sheet separating pad and the sheet separating holder, thereby shifting the natural frequency dynamic response of the assembly of the sheet separating pad and the sheet separating holder from the working frequency and the harmonic frequency of the sheet separating roller. | 05-27-2010 |
Patent application number | Description | Published |
20090284196 | MOTOR CONTROL APPARATUS AND CONTROL METHOD THEREOF - A motor control apparatus includes a sensing module, a phase modulating module, a duty cycle modulating module and a driving module. The sensing module detects a motor to generate a sensing signal. The phase modulating module receives the sensing signal and generates a phase modulation signal in accordance with the sensing signal. The duty cycle modulating module receives the phase modulation signal and generates a duty cycle modulation signal in accordance with the phase modulation signal. The driving module receives the duty cycle modulation signal and generates a motor control signal for controlling the motor in accordance with the duty cycle modulation signal. | 11-19-2009 |
20090289585 | MOTOR CONTROL APPARATUS AND MOTOR CONTROL METHOD - A motor control apparatus and a motor control method determine whether the motor is in a back-pressure area so as to provide different rotation-speed control signals. When the fan is in the low duty cycle, a first circuit loop is switched on, so that the fan has more accurate rotation speed. When the fan is in the high duty cycle, a second circuit loop is switched on, so that the rotation speed of fan does not be limited to a constant rotation-speed as the fan enters the back-pressure area. Thus, the fan has larger airflow quantity and higher airflow pressure. | 11-26-2009 |
20100149699 | MOTOR DETECTING AND PROTECTING APPARATUS AND ITS METHOD - A motor detecting and protecting apparatus electrically connected with a motor. The motor detecting and protecting apparatus includes a detecting unit, an error determining unit, a controlling unit and a driving unit. The detecting unit detects a state of the motor and outputs at least one first detecting signal and at least one second detecting signal to the error determining unit. The error determining unit has a first predetermined value, wherein the error determining unit outputs a warning signal to the controlling unit while a variation value between the first detecting signal and the second detecting signal exceeds the first predetermined value. And the controlling unit will control the motor to stop operating by the driving unit in accordance with the warning signal. And a motor detecting and protecting method is also disclosed. | 06-17-2010 |
20100289438 | BI-POWER MOTOR CONTROLLING SYSTEM AND MOTOR CONTROLLING APPARATUS THEREOF - A bi-power motor controlling system includes a motor, a system apparatus and a motor controlling apparatus, which is electrically connected with the motor and system apparatus respectively. The system apparatus has a rotational-speed target value for determining the targeted rotational speed of the motor. In addition, the system apparatus outputs a first power and a second power to the motor and the motor controlling apparatus, respectively. The motor controlling apparatus detects the motor to obtain a first rotational-speed value of the motor, and then adjusts the rotational speed of the motor to a second rotational-speed value according to the first rotational-speed value. Then, the motor controlling apparatus further generates a rotational-speed feedback signal to the system apparatus. The system apparatus adjusts the outputted first power in accordance with the rotational-speed feedback signal to make the rotational speed of the motor reach the rotational-speed target value. | 11-18-2010 |
20120086377 | MOTOR CONTROL METHOD - A motor control apparatus and a motor control method determine whether the motor is in a back-pressure area so as to provide different rotation-speed control signals. When the fan is in the low duty cycle, a first circuit loop is switched on, so that the fan has more accurate rotation speed. When the fan is in the high duty cycle, a second circuit loop is switched on, so that the rotation speed of fan does not be limited to a constant rotation-speed as the fan enters the back-pressure area. Thus, the fan has larger airflow quantity and higher airflow pressure. | 04-12-2012 |