Patent application number | Description | Published |
20090041308 | Object execution method and method with bio-characteristic recognition - An object execution system and a method with bio-characteristic recognition are disclosed. The system includes a biometric apparatus, a storage unit and a processing unit. The biometric apparatus is provides for receiving an inputted bio-characteristic data. The storage unit saves at least one predetermined bio-characteristic data, at least one profile and a lookup table of recording the corresponding relationship between the predetermined bio-characteristic data and the profile. The profile records a plurality of objects to be executed. The processing unit inquires the profile corresponding to the inputted bio-characteristic data based on the lookup table, and executes the plurality of objects recorded by the profile. | 02-12-2009 |
20090190805 | SYSTEM AND METHOD FOR FINGERPRINT RECOGNITION - A fingerprint recognition system for an electronic device includes an input module, a computational module, and a database. The input module receives initial and subsequent fingerprint templates, and a unique character code. The computational module calculates a unique key for the initial fingerprint template on the basis of the character code to establish security, and a check key for the subsequent fingerprint template on the basis of the character code. The computational module removes the security for the electronic device when the check key matches the unique key. The database stores the initial fingerprint template and the unique key. An electronic device including the fingerprint recognition system, and a fingerprint recognition method are also disclosed. | 07-30-2009 |
20090196468 | Method of switching operation modes of fingerprint sensor, electronic apparatus using the same and fingerprint sensor thereof - A switching method adopted by a fingerprint sensor operation mode for switching among the plurality of operation modes, the electronic apparatus using the same, and fingerprint sensor thereof are disclosed. The method comprises the following steps: activating the fingerprint sensor; switching based on a preset operation mode to one of the plurality of operation modes whereby regarded as the current operation mode of the fingerprint sensor; detecting an input signal from the fingerprint sensor; and switching to another one of the plurality of operation modes whereby regarded as the new operation mode of the fingerprint sensor when the input signal is a mode switching hotkey. | 08-06-2009 |
Patent application number | Description | Published |
20130099850 | VOLTAGE SWITCH CIRCUIT - A voltage switch circuit uses PMOS transistors to withstand high voltage stress. Consequently, the NMOS transistors are not subject to high voltage stress. The lightly-doped PMOS transistors are compatible with a logic circuit manufacturing process. Consequently, the voltage switch circuit may be produced by a logic circuit manufacturing process. | 04-25-2013 |
20140103988 | VOLTAGE SWITCH CIRCUIT - A voltage switch circuit uses PMOS transistors to withstand high voltage stress. Consequently, the NMOS transistors are not subject to high voltage stress. The lightly-doped PMOS transistors are compatible with a logic circuit manufacturing process. Consequently, the voltage switch circuit may be produced by a logic circuit manufacturing process. | 04-17-2014 |
20140177350 | SINGLE-ENDED SENSE AMPLIFIER CIRCUIT - A single-ended sense amplifier and a method for reading a memory cell are disclosed. The method includes the following steps. A bit line is charged according to a control signal. Thereafter, whether the dropoff time of the bit line voltage is greater or less than a predetermined time is deteremined. When the dropoff time of the voltage of the bit line is less than the predetermined time period, a first operation is sensed. On the other hand, when the dropoff time of the voltage of the bit line is greater than the predetermined time period, a second operation is sensed. The dropoff time of the voltage of the bit line is determined according to a parasitic capacitance on the bit line. A logic level of a sensing transistor circuit is retained and an output data signal according to the operation sensed is generated. | 06-26-2014 |
20150092507 | Memory having a voltage switch circuit with one bias voltage changed in each state of conditioning - A voltage switch circuit includes four transistors. The four transistors may be transistors used to build logic gates. The operation of the voltage switch circuit may include precharging the output terminal of the voltage switch circuit, conditioning of the voltage switch circuit and boosting the voltage of the output terminal. | 04-02-2015 |
20150098278 | NON-VOLATILE MEMORY APPARATUS AND DATA VERIFICATION METHOD THEREOF - A non-volatile memory apparatus and a data verification method thereof are provided. The non-volatile memory apparatus includes a plurality of memory cells, a page buffer, a write circuit, a sense amplifier, and a sense and compare circuit. The page buffer stores a plurality of buffered data and programs the plurality of memory cells according to the plurality of buffered data. The write circuit receives a program data or a rewrite-in data and writes the program data or the rewrite-in data to the page buffer. The sense amplifier senses data read from the memory cells for generating a read-out data. The sense and compare circuit reads the buffered data, and compares the read-out data and a compared buffered data to generate a rewrite-in data. The sense and compare circuit determines the rewrite-in data to be the buffered data or an inhibiting data according to the compared result. | 04-09-2015 |
Patent application number | Description | Published |
20090257273 | 2T SRAM CELL STRUCTURE - A SRAM cell structure includes a first N type switch, a second N type switch, a first storage node, and a second storage node. The first N type switch has a control terminal connected to a word line and a first terminal connected to a bit line. The second N type switch has a control terminal connected to the word line and a first terminal connected to an inverted bit line. The first storage node has a first terminal connected to a second terminal of the first N type switch. The second storage node has a first terminal connected to a second terminal of the second N type switch. | 10-15-2009 |
20110194355 | VERIFY WHILE WRITE SCHEME FOR NON-VOLATILE MEMORY CELL - A verify while write (VWW) scheme for a non-volatile memory (NVM) cell is provided. The VWW scheme conducts simultaneous write and verify operation by sensing the memory cell current during the write pulse at exactly the same write bias condition in contrast to the “verify+retry-write” write algorithm in the prior art. The VWW scheme removes the iterative “verify and then retry-write” to save both control timing and power consumed in these iterations. Instead, the VWW scheme is composed of single write pulse only in the entire algorithm with exact write pulse width trimmed automatically for multiple memory cells undergoing parallel writing within one write command assertion. Faster write speed, more power efficient write operation and higher reliability of non-volatile semiconductor memory cell are thus achieved with the VWW scheme in this present disclosure. | 08-11-2011 |
20120268188 | VOLATGE LEVEL SHIFTING APPARATUS - A voltage level shifting apparatus is disclosed. The voltage level shifting apparatus has a cross-coupled transistor pair, a plurality of transistor pairs, a first diode string, a second diode string and an input transistor pair. One of the transistor pairs is coupled to the cross-coupled transistor pair, and the transistor pairs are controlled by a plurality of reference voltages. The first and the second diode strings are coupled between two of the transistor pairs. Each of the first and the second diode strings has at least one diode. The input transistor pair receives a first and a second input voltage, and the first and second input voltages are complementary signals. The cross-coupled transistor pair generates and outputs a first output voltage and a second output voltage by shifting the voltage level of the first and the second input voltage. | 10-25-2012 |
Patent application number | Description | Published |
20090050667 | NAIL MAGAZINE - A nail magazine includes: a magazine body defining a nail channel extending in a longitudinal direction, a rear opening for access into the nail channel, and a side opening for access into the nail channel; a cover mounted on and slidable relative to the magazine body and formed with an inner recess in spatial communication with the nail channel through the side opening; and a nail-driving unit including a slider mounted on the cover and slidable relative to the cover in the longitudinal direction, and a nail-pushing element mounted on the slider and movable relative to the slider in a transverse direction relative to the longitudinal direction. | 02-26-2009 |
20100206933 | Combustion powered nail gun having safety mechanism - A combustion powered nail gun includes a combustion sleeve moveable between a sealed position and an open position; a trigger switch having a first hook portion; a safety lever pivotally mounted in a housing and provided with a second hook biasable to be engaged with the first hook portion; and a restriction member connected to and moveable along with the combustion sleeve in a way that when the combustion sleeve is in the open position, the restriction member is stopped at the safety lever in which the second hook portion is engaged with the first hook portion so as to lock the trigger switch, and when the combustion sleeve is in the sealed position, the restriction member is spaced away from the safety lever to enable the second hook portion to be biasable away from the first hook portion so as to unlock the trigger switch. | 08-19-2010 |
20100237127 | OSCILLATION REDUCING SUSPENSION DEVICE FOR A FAN MOTOR OF A COMBUSTION-POWERED TOOL - An oscillation reducing suspension device for a fan motor of a combustion-powered tool includes a rigid axial-play setting unit mounted on an upper major surface of a cylinder head, and having upper and lower limit defining members that are spaced apart from each other by an axial play route, a suspending mount configured to keep the fan motor oriented in a rotary axis, and having a lug which extends radially into the axial play route to divide the axial play route into proximate and distal regions, and an elastomeric damper unit having upper and lower damping members respectively disposed in the distal and proximate regions. By virtue of the rigid mount supporting the fan motor, and the resilient damper unit coupling the mount and the cylinder head, the fan motor is firmly secured to the cylinder head, and axial oscillation of the fan motor is reduced. | 09-23-2010 |
20110240710 | NAIL GUN CAPABLE OF PREVENTING ITS TRIGGER FROM BEING PULLED IN NAIL-EMPTY CONDITION - A nail gun includes a rotatable shaft which can lock a switch of a trigger of the nail gun in a nail-empty condition. The rotatable shaft has a locking portion and a driven portion extending partly into a nail magazine, such that when a nail pushing member disposed in the nail magazine reaches a predetermined position, the nail pushing member pushes the driven portion to make the rotatable shaft rotate about an axis perpendicular to a marching direction of the nails loaded in the nail magazine. As a result, the locking portion of the rotatable shaft in an initial position and spaced away from the switch will move to a locking position to be engaged with the switch. Therefore, the nail gun can shoot nails continuously until there is totally no nail in the nail gun and the nail gun is locked. | 10-06-2011 |
20110259937 | FASTENER DRIVING TOOL - A fastener driving tool includes a flywheel rotated by a drive unit and having a wheel rim formed with teeth, an impact member having a mating toothed unit movable with a carrier frame to engage the teeth so as to be swept thereby to an end-stroke position to enable a striking rod to drive a fastener into a targeted workpiece, and an actuating unit configured to actuate the carrier frame to move from an upper position to a lower position in response to a triggering action of a trigger so as to move the mating toothed unit from an disengaging position to an engaging position. | 10-27-2011 |
20110259938 | FLOATING IMPACT APPARATUS FOR ELECTRICAL NAIL GUN - A floating impact apparatus for an electrical nail gun includes a carrier, an impact unit, and a floating unit. The impact unit includes an impact member, and at least one sliding, wheel disposed pivotally on the impact member. The floating unit includes a guiding rod together with the impact member being connected movably to the carrier, two floating members extending through the carrier to connect with the guiding rod at positions proximate to a first side of the carrier, and at least two resilient members disposed between a second side of the carrier and the floating members for biasing the guiding rod and the impact member to move relative to the carrier to thereby maintain contact between the sliding wheel and the first side of the carrier, so as to promote smooth movement and nail-striking force of the impact member. | 10-27-2011 |
20120074195 | DRIVING UNIT FOR AN ELECTRIC NAIL GUN - A driving unit for an electric nail gun includes a pushing block. The pushing block is movable relative to a supporting bracket of the electric nail gun along an axis, and has an inclined surface abutting against an end of a swing arm. Movement of the pushing block results in pivoting movement of the swing arm between a first position, and a second position farther away from a flywheel than the first position. The inclined surface has a slope between 0.087 and 0.7, so as to lock effectively the swing arm at the first position to thereby increase the nail-striking force of an impact member. | 03-29-2012 |
20120104069 | CONTROL MECHANISM FOR ELECTRIC NAIL GUN - The control mechanism for an electric nail gun includes: a first sensor for generating a first sensing signal in response to movement of a safety member of the electric nail gun; a second sensor for generating a second sensing signal in response to operation of a trigger member of the electric nail gun; an actuating piece adjusted selectively between a single shot position and a successive shooting position, and rotatable relative to the trigger member; a third sensor for generating a third sensing signal in response to rotation of the actuating piece; and a control unit activating a driving module of the electric nail gun upon receipt of the first or second sensing signals, and energizing an electromagnetic valve of the electric nail gun upon receipt of the third sensing signal. | 05-03-2012 |
20120104070 | Two-Switch Device for an Electric Nail Gun - A two-switch device is used for an electric nail gun. The electric nail gun includes a safety member movable to press against an article to thereby move in the gun body, a kinetic power unit for generating kinetic energy, an impact unit for outputting kinetic energy to perform a nail-striking operation, and a transmission unit for transmitting the kinetic energy. The two-switch device includes a first electrical control unit controlled by a trigger and the safety member for driving the kinetic power unit, and a second electrical control unit controlled by an inner plate for driving the transmission unit. By controlling actuation order of the safety member and the trigger, the electric nail gun can be changed between a single shot mode and a continuous shooting mode. | 05-03-2012 |
20130255447 | Automated Screw Driving Device - An automated screw driving device comprises: a gun housing; a first motor mounted to the gun housing; a fly wheel mounted to the gun housing and driven by the first motor to rotate relative to the gun housing; a carrier mounted slidably on the gun housing and having a wheel-contacting member that is movable toward the fly wheel to contact the fly wheel so as to permit the power of the first motor to be transferred to the carrier to cause rapid sliding movement of the carrier upon rotation of the fly wheel about its axis; a screw driver mounted rotatably to the carrier; a gear set coupled to the screw driver; and a second motor coupled to the gear set for driving rotation of the screw driver relative to the carrier. | 10-03-2013 |
20130255984 | IMPACT DEVICE FOR AN ELECTRIC NAIL GUN - An impact device is used for an electric nail gun. The electric nail gun includes a supporting frame, a flywheel disposed pivotally on the supporting frame, and a swing arm disposed pivotally on the supporting frame. The impact device includes a sliding block disposed movably on the supporting frame, a nail striker rod connected to the sliding block, and an impact block floatable on the sliding block. When the swing arm rotates toward the flywheel, it presses the impact block against the flywheel to thereby move the sliding block from a pre-firing position to a firing position. Since the impact block is not co-rotatable with the swing arm, it can be designed to move in a direction the same as that of the nail striker rod, thereby facilitating smooth firing operation. | 10-03-2013 |
20150034345 | ELECTRIC POWER TOOL - In an electric power tool, a flywheel can be driven by a driving unit to rotate about a wheel axis to thereby impart kinetic energy to a tool body through a force transmitting portion of the flywheel. A ventilating unit is mounted to rotate with the flywheel about the wheel axis. When the flywheel is driven to rotate, cooling air is generated by rotation of the ventilating unit. | 02-05-2015 |
Patent application number | Description | Published |
20080285888 | IMAGE RESIZING DEVICE AND PARAMETER ADJUSTING METHOD THEREOF - A parameter adjusting method of an image resizing module. The method includes receiving an image signal; and referencing a signal characteristic of the image signal to adjust a parameter with which the image resizing module resizes the image signal. | 11-20-2008 |
20090322938 | METHOD AND RELATED IMAGE PROCESSING APPARATUS UTILIZED FOR COMBINING COLOR LOOK-UP TABLE AND VIDEO DAC CALIBRATION MAPPING TABLE - A signal processing apparatus for generating an output analog signal according to a raw digital signal is disclosed. The signal processing apparatus includes a DAC, a storage device, and an adjusting device. The storage device is utilized for storing a target mapping table equivalent to a combination of a predetermined correction mapping table and a DAC calibration mapping table corresponding to the DAC. The adjusting device is coupled to the DAC and the storage device, and is utilized for adjusting the raw digital signal to generate a calibrated digital signal according to the target mapping table stored in the storage device. The DAC converts the calibrated digital signal to generate the output analog signal. | 12-31-2009 |
20100118932 | MULTIFUNCTIONAL TRANSMITTERS - Multifunctional transmitters capable of transmitting signals of different specifications in different modes are provided, in which N output units are provided and each output unit comprises a serializer and an output driver. A control unit, according to a mode selection signal, selects a first set of output units from the N output units to transmit a first video data compatible with a first transmission interface under a first transmission mode and selects a second set of output units from the first set of output units to transmit a second video data compatible with a second transmission interface which is different from the first transmission interface under a second transmission mode. | 05-13-2010 |
20100128802 | VIDEO PROCESSING CIUCUIT AND RELATED METHOD FOR MERGING VIDEO OUTPUT STREAMS WITH GRAPHICAL STREAM FOR TRANSMISSION - A video processing circuit includes a video generating unit for generating a video output stream, a graphic generating unit for providing a graphical stream, and a communication interface circuit coupled to the video generating unit and the graphic generating unit. The communication interface circuit has a first mode provided for mixing the video output stream and the graphical stream to transmit a mixed video output stream through a channel and a second mode provided for merging the video output stream and the graphical stream to transmit a first merged signal through the channel. In the second mode, the communication interface circuit merges the video output stream and the graphical stream by increasing a working frequency of the communication interface circuit to increase bandwidths of the channel, using positions for transmitting a portion of video control signals in the video output stream to transmit the graphical stream, and compressing the video output stream. | 05-27-2010 |
20130265489 | VIDEO PROCESSING CIRCUIT AND RELATED METHOD FOR MERGING VIDEO OUTPUT STREAMS WITH GRAPHICAL STREAM FOR TRANSMISSION - A video processing circuit includes a video generating unit for generating a video output stream, a graphic generating unit for providing a graphical stream, and a communication interface circuit. The communication interface circuit has a first mode provided for mixing the video output stream and the graphical stream to transmit a mixed video output stream through a channel and a second mode provided for merging the video output stream and the graphical stream to transmit a first merged signal through the channel. In the second mode, the communication interface circuit merges the video output stream and the graphical stream by increasing a working frequency of the communication interface circuit to increase bandwidths of the channel, using positions for transmitting a portion of video control signals in the video output stream to transmit the graphical stream, and compressing the video output stream. | 10-10-2013 |