Abstract: A grooved incisor blade set for paper shredders is disclosed. A blade includes a crown, a groove juxtaposed with the crown, and a center hole for a cutting arbor, where the crown and the groove define a relief channel. A stair-shaped, U-shaped or V-shaped blade assembly is described. In one embodiment, a notched grooved incisor blade having notches proximate to the central hole comes in contact with a mating grooved incisor blade also having a central hole. Force is applied to the mating blade to displace some of the body of the mating blade into the notches, affixing the blades together. A method for forming shredder cutting blades includes providing a strip of metal, forming a crown in the strip of metal, forming a relief groove juxtaposed to the crown in the strip of metal, thereby forming a relief channel, and trimming the grooved incisor blade of excess metal.

Abstract: A method and device for detecting a force factor of a loudspeaker is provided. The method includes the steps of: providing the loudspeaker with a dynamic driving voltage signal; continuously measuring a current signal flowing through the loudspeaker; observing the current signal and if the current signal shows that the diaphragm excursion of the loudspeaker is greater than an displacement limit, decreasing the driving voltage signal until the current signal shows that the diaphragm excursion of the loudspeaker is less than or equal to the displacement limit; and substituting the current driving voltage signal, the current signal, the displacement limit, and an electrical impedance of the loudspeaker into a function so as to compute the force factor of the loudspeaker.

Abstract: A method and device for generating a driving signal of a loudspeaker is provided. The method includes the steps of: outputting a driving voltage to a loudspeaker; measuring a current flowing through the loudspeaker; calculating to derive a voltage value corresponding to the current flowing through an electrical impedance of the loudspeaker, and calculating to derive a back-emf value by performing subtraction according to the driving voltage or a corresponding value thereof and the voltage value; integrating the back-emf value to derive an integrating value positive-correlating to a displacement of the diaphragm of the loudspeaker; and manipulating the driving voltage according to the integrating value to perform protection on the loudspeaker.

Abstract: A sample rate converter receives an input signal with an input sample rate, and generates an output signal with an output sample rate. The sample rate converter includes: a rate estimator, a polynomial interpolation calculation circuit, an up sampling filter, and a down sampling filter. The rate estimator includes: a subtractor, which generates an error signal according to an input clock signal and a second order rate signal; a first order integrator, which generates a first order rate signal according to the error signal; and a second order integrator, which generates the second order rate signal according to the first order rate signal.

Abstract: A safety inlet apparatus for a paper feed opening of a shredder, with cutting cylinders including an upper casing having a feed end with a safety dam with upper and lower indices. An angled plate means set apart from the upper casing forms the paper feed opening. A safety plate with a distal index end is provided, which is formed to traverse the feed opening from the angled plate to the safety dam. Also included is a pivot, and a power control switch. The pivot is configured to facilitate traversal of the safety plate distal index from the angled plate to the safety dam. The power limit switch is on the upper casing, apart from the pivot member. The traversal of the safety plate distal index end to the safety dam lower index causes the power control switch to stop comminution. A buckle bit plate provides open and closed detents.

Abstract: The invention is directed to a touch-sensitive paper shredder control system. The touching feature is implemented through a series of electronic circuits, taking input from a conductive touch panel on the shredder feed throat, processing the signal, and through a motor driving circuit, stopping the mechanical parts of the shredder. The system has a touch detection circuit unit, which contains a bioelectricity controlled switching circuit to sense the conductive touch panel. The bioelectricity controlled switching circuit is configured to trigger a ground switching circuit in the touch detection circuit unit which outputs to a multifunction control circuit unit. The control circuit unit then takes care of the remaining protection issues. The touching device for paper shredders protects humans and other living beings including pets from injuries through automatic and real time monitoring. The complete control process is both safe and sensitive.

Abstract: A phase/frequency detector module, applicable to a digital phase-locked loop, includes: an edge detector for receiving a reference clock signal and a counting clock signal, where when a positive edge of the counting clock signal occurs, if a positive edge of the reference clock signal has occurred, the edge detector outputs an edge-detected signal, else the edge detector outputs an edge-not-detected signal; a counter coupled to the edge detector, where if receiving the edge-detected signal, the counter outputs a counting result forming a frequency error signal, resets, and loads a count value, and if receiving the edge-not-detected signal, the counter continues to count on the positive edge of the counting clock signal; and a frequency phase converter for performing integration over the counting result, where the integral forms a phase error signal.

Abstract: A method for uploading data to a social networking website and an electronic apparatus using the method are provided. The electronic apparatus automatically detects a detectable device located within a sensing range and finds a target to be tagged to set a preset tag. And the electronic apparatus uploads a geographic location, the preset tag and data to the social networking website.

Abstract: An input device of an electronic device and a setting method thereof are provided. In the setting method, a setting path is displayed on a display unit of the electronic device, and the input device is set according to the setting path depicted by the input device.

Abstract: An operating system and an operating method thereof are provided. An auxiliary light from an auxiliary light unit is irradiated to coordinate patterns on a display unit of an electronic apparatus, and the coordinate patterns are invisible to naked eyes. The coordinate patterns are converted to corresponding coordinate position information, and the coordinate position information is transmitted to the electronic apparatus.

Abstract: A data sharing system and a data sharing method thereof are provided. In the data sharing method, a file information corresponding to first coordinate patterns of a first electronic device detected by a input device and a device information of the first electronic device are stored, and when second coordinate patterns of a second electronic device are detected by the input device, the file information is transmitted to the second electronic device according to a data transmission instruction.

Abstract: A semiconductor structure for dissipating heat away from a resistor having neighboring devices and interconnects. The semiconductor structure includes a semiconductor substrate, a resistor disposed above the semiconductor substrate, and a thermal protection structure disposed above the resistor. The thermal protection structure has a plurality of heat dissipating elements, the heat dissipating elements having one end disposed in thermal conductive contact with the thermal protection structure and the other end in thermal conductive contact with the semiconductor substrate. The thermal protection structure receives the heat generated from the resistor and the heat dissipating elements dissipates the heat to the semiconductor substrate.

Abstract: The system and method of analyzing input on touch panel are provided. The system includes an electrical device, including a touch panel, wherein plurality of patterns on the touch panel are generated by a manufacturing process; and an input device, including a photograph unit and a processing unit and configured to input a message to the electrical device, wherein when the message is inputted to the electrical device, the input device photographs one or more of the patterns by the photograph unit for generating an image data, analyzes a location information included in the image data by the first processing unit for generating a coordinate information, and transmits the coordinate information to the electrical device through a wireless transmission.

Abstract: The present invention provides a chemical-mechanical polishing (CMP) composition suitable for polishing a silicon nitride-containing substrate while suppressing polysilicon removal from the substrate. The composition comprises abrasive particles suspended in an acidic aqueous carrier containing a surfactant comprising an alkyne-diol, an alkyne diol ethoxylate, or a combination thereof. Methods of polishing a semiconductor substrate therewith are also disclosed.

Abstract: The invention is directed to a permittivity-based paper shredder control system. The touching feature is implemented through a series of electronic circuits, taking input from a conductive touch panel on the shredder feed throat, processing the signal, and through a motor driving circuit, stopping the mechanical parts of the shredder. The system has a touch detection circuit unit, which contains a bioelectricity controlled switching circuit to sense the conductive touch panel. The bioelectricity controlled switching circuit is configured to trigger a ground switching circuit in the touch detection circuit unit which outputs to a multifunction bioshield controller. The bioshield controller then takes care of the remaining protection issues. The touching device for paper shredders protects humans and other living beings including pets from injuries through automatic and real time monitoring. The complete control process is both safe and sensitive.

Abstract: Apparatus and method for a power-saving shredder, including motorized shredder blades; a shredder controller coupled to the motor controller; a timer coupled to the motor controller, and a mechanically-actuated switch (GREEN SWITCH) couples to the shredder controller. The GREEN SWITCH causes the shredder controller, the motor controller, the motorized shredder blades, and the timer to be activated. The Normally Off switch, when deactuated, causes motorized shredder blades to deactivate.

Abstract: The present invention provides a chemical-mechanical polishing (CMP) composition suitable for polishing a silicon nitride-containing substrate while suppressing polysilicon removal from the substrate. The composition comprises abrasive particles suspended in an acidic aqueous carrier containing a surfactant comprising an alkyne-diol, an alkyne diol ethoxylate, or a combination thereof. Methods of polishing a semiconductor substrate therewith are also disclosed.

Abstract: A safety inlet apparatus for a paper feed opening of a shredder, with cutting cylinders including an upper casing having a feed end with a safety dam with upper and lower indices. An angled plate means set apart from the upper casing forms the paper feed opening. A safety plate with a distal index end is provided, which is formed to traverse the feed opening from the angled plate to the safety dam. Also included is a pivot, and a power control switch. The pivot is configured to facilitate traversal of the safety plate distal index from the angled plate to the safety dam. The power limit switch is on the upper casing, apart from the pivot member. The traversal of the safety plate distal index end to the safety dam lower index causes the power control switch to stop comminution. A buckle bit plate provides open and closed detents.

Abstract: The invention provides a composition for chemical-mechanical polishing. The composition comprises an abrasive, a first metal rate polishing modifier agent, a second metal rate polishing modifier agent, and a liquid carrier. In one embodiment, the first metal rate polishing modifier agent has a standard reduction potential less than 0.34 V relative to a standard hydrogen electrode, and the second metal rate polishing modifier agent has a standard reduction potential greater than 0.34 V relative to a standard hydrogen electrode. In other embodiments, the first and second metal rate polishing modifier agents are different oxidizing agents.

Abstract: A paper shredder with a thermo-regulated motor, a universal motor, and a method for cooling a motor. Paper shredder includes a shredder mechanical assembly and a thermo-regulated motor with motor stator core housing, coupled to the shredder mechanical assembly. Thermo-regulated motor includes conductive stay secured to housing. Conductive band and conductive stay act to dissipate motor heat. Thermoelectric cooler is coupled to the conductive band; and insulative stay is secured to the housing with a conductive band. Thermoelectric cooler continues to cool the housing after the motor is deenergized. A universal motor having conductive stays and insulative stays physically coupled to the housing; and one conductive band securing the insulative stays and conductive stays to the housing. The universal motor can include thermoelectric coolers. Also, a method for cooling a motor, which includes providing a conductive band and providing a conductive stay interposed between the conductive band and the housing.