Patent application number | Description | Published |
20090161274 | ELECTROSTATIC DISCHARGE PREVENTION CIRCUITS - An ESD prevention circuit is provided. The ESD prevention circuit comprises a voltage source, a charge-blocking unit, a first PMOS transistor, a first NMOS transistor, a second NMOS transistor, and an output unit. The charge-blocking unit is coupled to the voltage source and provides a reverse voltage to control the voltage source to remain at a zero potential when an electrostatic voltage is being generated. The first PMOS transistor is coupled to the charge-blocking unit. The first NMOS transistor is coupled to the first PMOS transistor. The second NMOS transistor is coupled to the first PMOS transistor and the first NMOS transistor. The output unit is coupled to the second NMOS transistor. The electrostatic voltage is affected by the charge-blocking unit and does not raise impendence of the turned-on second NMOS transistor. | 06-25-2009 |
20100226055 | ELECTROSTATIC DISCHARGE PROTECTION DEVICES - An electrostatic discharge (ESD) protection circuit having first and second transistors and an ESD clamp circuit. The first and second transistors are coupled in series between first and second voltage input pins of a chip. The ESD clamp circuit is coupled between the first and second voltage input pins. The drains of the first and second transistors are coupled to an I/O pin of the chip. The doping regions of the first and second transistors are of distinct doping concentrations. The first transistor comprises four doping regions, and has a source formed by the first and third doping regions, and has a drain formed by the second and the fourth doping regions. The first doping region is within the third doping region. The second doping region is within the fourth doping region. The doping concentration of the fourth doping region is less than that of the third doping concentration. | 09-09-2010 |
20110012577 | Power converting system with function of reducing dead-time - A driving circuit includes a dead-time detecting circuit, a duty-cycle controlling circuit, and a switch controlling circuit. The dead-time detecting circuit is coupled to an output of a power switch set for detecting a switching voltage on the output of the power switch set and accordingly outputting a dead-time detecting signal. The output of the power switch set is coupled to the first end of an inductive load, and the second end of the inductive load provides an output voltage. The duty-cycle controlling circuit is coupled to the second end of the inductive load for generating a set/reset signal according to the output voltage. The switch controlling circuit controls the power switch set to be away from a dead state according to the set/reset signal and the dead-time detecting signal. | 01-20-2011 |
20110095368 | ELECTROSTATIC DISCHARGE PROTECTION DEVICE - An electrostatic discharge protection device is disclosed. The electrostatic discharge protection device preferably includes a first transistor, a second transistor, and an electrostatic discharge clamping circuit. The first transistor includes a first drain electrically connected to an input/output pin of a chip, a first source electrically connected to a first voltage input pin of the chip, and a first gate. The first drain is preferably an internally shrunk drain. The second transistor includes a second drain electrically connected to the input/output pin of the chip, a second source electrically connected to a second voltage input pin and a second gate. The electrostatic discharge clamping circuit is electrically connected to the first voltage input pin and the second voltage input pin. | 04-28-2011 |
Patent application number | Description | Published |
20080242810 | Use of a Combination Chain Transfer and Activating Agent to Control Molecular Weight and Optical Density of Pd Catalyzed Norbornene Polymers - A method of controlling the molecular weight of poly(cyclic) olefin (norbornene-type) polymers and activating the polymerization thereof with a single material is provided. Such method include adding a chain transfer/activating agent to a mixture of monomer(s), catalyst, solvent and an optional cocatalyst and polymerizing the mixture to form a polymer. It is shown that the amount of chain transfer/activating agent in the mixture can serve to control the molecular weight of the resulting polymer, its percent conversion or both, and in some embodiments the optical density of the resulting polymer. | 10-02-2008 |
20110009578 | Use Of A Combination Chain Transfer And Activating Agent To Control Molecular Weight And Optical Density Of Pd Catalyzed Norbornene Polymers - A method of controlling the molecular weight of poly(cyclic) olefin (norbornene-type) polymers and activating the polymerization thereof with a single material is provided. Such method include adding a chain transfer/activating agent to a mixture of monomer(s), catalyst, solvent and an optional cocatalyst and polymerizing the mixture to form a polymer. It is shown that the amount of chain transfer/activating agent in the mixture can serve to control the molecular weight of the resulting polymer, its percent conversion or both, and in some embodiments the optical density of the resulting polymer. | 01-13-2011 |
20110065878 | Norbornene-Type Polymers, Compositions Thereof And Lithographic Processes Using Such Compositions - Embodiments of the present invention relate generally to non-self imagable and imagable norbornene-type polymers useful for immersion lithographic processes, methods of making such polymers, compositions employing such polymers and the immersion lithographic processes that make use of such compositions. More specifically the embodiments of the present invention are related to norbornene-type polymers useful for forming imaging layer and top-coat layers for overlying such imaging layers in immersion lithographic process and the process thereof. | 03-17-2011 |
Patent application number | Description | Published |
20090009963 | Fastener and heat-dissipating device having the fastener - A fastener for a heat-dissipating device is adapted to secure a heat sink on a securing seat. The fastener includes a fastening arm having a plate body and a coupling member adapted to couple with one positioning member of the securing seat, a fastening member disposed spacedly below the plate body opposite to the coupling member and adapted to couple with another positioning member, and two linkage sets. Each linkage set is disposed between the plate body and the fastening member, and includes first and second resilient connecting elements connected respectively to the plate body and the fastening member. The linkage sets are pivotable toward each other to cause the plate body to displace toward the fastening member such that the linkage sets engage two openings in the securing seat. | 01-08-2009 |
20090195976 | Vibration Damping Mechanism And Electronic Device Having The Damping Mechanism - A vibration damping mechanism includes a frame, cushioning members, a heat sink, and fastening members. The frame has a base plate and supporting arms disposed on the base plate. Each cushioning member is disposed on a respective one of the supporting arms, and has a through hole. The heat sink supports a hard disk thereon such that the hard disk lies flat against and is secured on the heat sink, and has a plurality of fastening holes. Each fastening member extends through the respective through hole and threadedly engages the respective fastening hole such that the heat sink is suspended on the supporting arms and abuts against the cushioning members. Thus, the area of contact between the heat sink and the hard disk is increased to enhance the heat transfer efficiency, and the cushioning members provide the heat sink and the hard disk with a cushioning effect. | 08-06-2009 |
20100002367 | Modularized device and method for assembling the same - A modularized device includes a seat body, a first assembly unit, a cover, and a second assembly unit. The first assembly unit is fixed within the seat body and includes a first engaging portion. The cover removably covers the seat body. The second assembly unit is mounted on a bottom surface of the cover and is movable relative to the cover. The second assembly unit includes a second engaging portion having a shape complementary to that of the first engaging portion. The second assembly unit is movable relative to the cover to compensate an amount of deviation caused by tolerances so that the second engaging portion is adjustable to correspondingly engage the first engaging portion when the cover is secured to the seat body. | 01-07-2010 |
20100052485 | Fastening Device and a Computer Case Having the Fastening Device - A fastening device is provided on a side wall of a positioning frame for fastening of an electronic device disposed in the positioning frame. The fastening device includes a limiting component and a positioning component. The limiting component includes a connecting part connected to an outer face of the side wall, and a limiting part extending from the connecting part and spaced apart from the side wall. The positioning component includes a rod body, and two positioning parts extending respectively from two ends of the rod body. Each of the positioning parts extends into a respective one of two holes in the side wall and a respective one of two blind holes in the electronic device. The rod body is limited from movement in a direction away from the side wall by the limiting part. | 03-04-2010 |
20100053869 | Computer Housing and Computer Including the Same - A computer housing is adapted for receiving a motherboard and at least one electronic component therein, and includes a housing unit and a support board. The housing unit has an opening, and includes at least one first sliding portion that is provided at each of two opposite sides of an inner surface of the housing unit, that extends along a sliding direction, and that is connected to the opening. The support board is adapted for securing the motherboard and the electronic component, and includes a second sliding portion provided at each of two opposite edges of the support board and slidable relative to the first sliding portion in the sliding direction. | 03-04-2010 |
20110113691 | LINKAGE MECHANISM CAPABLE OF ROTATING ROTATABLE LIDS SYNCHRONOUSLY AND RELATED COMPUTER HOST - A linkage mechanism includes a case, a fixing part, a first rotatable lid, and a second rotatable lid. A first opening and a second opening are formed on the case. The first rotatable lid is rotatably disposed on the first opening and pivotally connected to the fixing part for covering the first opening. A first protruding part is formed on the first rotatable lid. The second rotatable lid is rotatably disposed on the second opening and pivotally connected to the fixing part for covering the second opening. When the first rotatable lid and the second rotatable lid cover the first opening and the second opening respectively, the first protruding part abuts against the second rotatable lid. | 05-19-2011 |
20110116355 | ELECTRONIC MODULE WITH SHOCKPROOF FUNCTION - An electronic module includes a case, a holding frame, a removable disk drive, a transmission cable, a fixing part, and a shock-absorbing structure. An opening is formed on the case. The holding frame is disposed at a position of the case corresponding to the opening. The removable disk drive is disposed on the holding frame and is removable from the opening. The transmission cable is connected to the removable disk drive. The fixing part is disposed on the holding frame. The shock-absorbing structure is movably disposed between the fixing part and the holding frame and envelops the transmission cable. | 05-19-2011 |
20110242752 | FIXING MECHANISM AND ELECTRONIC DEVICE HAVING THE SAME - A fixing mechanism includes a positioning frame for mounting a data access device thereto and including two opposite sidewalls each having two spaced-apart through holes, a plurality of shockproof elements each extending through and being retained in a respective through hole and including a passage, and two positioning rods for positioning the data access device therebetween. The passages of the shockproof elements are adapted to correspond in position with the positioning holes. Each positioning rod includes a main body portion, and two insert portions formed respectively at two opposite ends of the main body portion. Each insert portion extends through the passage of one of the shockproof elements, and is adapted to extend into a respective positioning hole. The shockproof elements are adapted to abut against the data access device when the data access device is positioned between the positioning rods. | 10-06-2011 |
Patent application number | Description | Published |
20130100070 | STYLUS, TOUCH SENSITIVE DISPLAY SYSTEM AND TOUCH SENSITIVE DISPLAY METHOD - A stylus, a touch sensitive display system, and a touch sensitive display method are provided. A pressure sensing material is disposed in the stylus for sensing a force exerted by a user and feeding the force back to a touch sensitive display panel, so as to adjust an appearance of a display image (e.g., a width of a line or a gray level of the line) and provide diverse touch sensitive display effects. | 04-25-2013 |
20130270618 | TOUCH PANEL AND FABRICATING METHOD THEREOF - A touch panel and fabricating method thereof are provided. The patterned transparent conductive layer, disposed on the substrate, includes first electrodes. The photo-sensing layers are disposed on the first electrodes. The first patterned conductive layer includes gate electrodes, scan lines and second electrodes. The gate electrodes and the scan lines are disposed on the substrate. The second electrodes are disposed on the photo-sensing layers. The first electrodes, the photo-sensing layers and the second electrodes constitute photo-sensors. The second patterned conductive layer includes source electrodes and drain electrodes, wherein the gate electrodes, the channel layers, the source electrodes and the drain electrodes constitute read-out transistors and each of the read-out transistors is electrically connected to the corresponding photo-sensor respectively. | 10-17-2013 |