Patent application number | Description | Published |
20090096490 | Transconductor - A transconductor to convert an input voltage to an output current, includes: a primary transconductance stage to provide the output current from the input voltage and a driving current; an adaptive transconductance stage coupled in series with the primary transconductance stage to generate the driving current from the input voltage; and a bias circuit coupled to provide a primary bias voltage to the primary transconductance stage and an adaptive bias voltage to the adaptive transconductance stage. | 04-16-2009 |
20090108858 | METHODS AND SYSTEMS FOR CALIBRATING RC CIRCUITS - A calibration apparatus includes an RC integrator circuit. The calibration apparatus further includes a bandwidth setting controller to provide a bandwidth setting code indicating a reference bandwidth value for calibration of the RC integrator circuit and a capacitance code generator, coupled to the RC integrator circuit, to generate a capacitance code to adjust a capacitance of the RC integrator circuit using the bandwidth setting code and a current capacitance value of the RC integrator circuit. | 04-30-2009 |
20090108892 | FREQUENCY SYNTHESIZER - A frequency synthesizer includes: a fractional-N synthesizer configured to provide, in a locked condition, an output signal with an output frequency based on an input signal with a reference frequency, the fractional-N synthesizer including a charge pump outputting a current to be calibrated; a lock detector coupled to the fractional-N synthesizer to detect the locked condition, the lock detector being configured to send a first signal indicating the detection; a calibration component coupled to the lock detector and the fractional-N synthesizer, the calibration component being configured to provide a second signal to calibrate the current after receiving the first signal, based on a voltage sampled from the fractional-N synthesizer; and a current source array coupled to the calibration component and the fractional N synthesizer, the current source array being configured to calibrate the current based on the second signal. | 04-30-2009 |
20090108938 | CIRCUIT AND METHOD FOR DYNAMIC CURRENT COMPENSATION - An operational amplifier includes a first stage and a second stage, the first stage for receiving two input signals and the second stage being coupled to the first stage, wherein the second stage includes a first part with a first output of the operational amplifier, and a second part with a second output of the operational amplifier. A method includes providing a first current to the first part of the second stage, and providing a second current to the second part of the second stage. The method further includes adjusting the first current based on a current consumption of the first part of the second stage, and adjusting the second current based on a current consumption of the second part of the second stage, wherein the sum of the first current and the second current is substantially constant. | 04-30-2009 |
20130134023 | THIN FILM SWITCH AND PRESS KEY/KEYBOARD USING THE SAME - A thin film switch, comprising: a first thin film, having a first conductor unit mounted thereon; and a second thin film, having a second conductor unit mounted on a surface thereof facing toward the first thin film; wherein, the first conductor unit is composed of at least one first electric conductor; and the second conductor is composed of a plurality of second electric conductors to be arranged in a manner that one of the plural second electric conductors is disposed at a first position defined on the second thin film while designating another one of the plural second electric conductors to be disposed at a second position of the second thin film. Operationally, the thin film switch is capable of outputting different signals in response to different forces exerted thereon for triggering different electric conductors mounted on different positions in the thin film switch. | 05-30-2013 |
20130140164 | THIN FILM SWITCH AND PRESS KEY/KEYBOARD USING THE SAME - A thin film switch is disclosed, which comprises: a first thin film, having a first conductor unit mounted on a surface thereof; and a second thin film, having a second conductor unit mounted on a surface thereof facing toward the first thin film; wherein, the first conductor unit is composed of a plurality of first electric conductors, and the second conductor is composed of at least one second electric conductor; and the first conductor unit and the second conductor unit are arranged at positions corresponding to each other while being spaced from each other by a specific interval; the at least one second electric conductor is enabled to engage with one of the plural first electric conductors for constructing an electrical conduction when the thin film switch is subjected to a load for forcing the first and the second thin films to move toward each other. | 06-06-2013 |
20130285756 | CIRCUIT OF INDUCTANCE/CAPACITANCE (LC) VOLTAGE-CONTROL OSCILLATOR - A circuit of inductance/capacitance (LC) voltage control oscillator (VCO) includes an LC VCO unit, a peak detector and a processing unit. The LC VCO unit receives a current control signal and outputs an oscillating voltage signal. The peak detector receives the oscillating voltage signal to obtain an averaged voltage value. The processing unit receives the averaged voltage value to accordingly output the current control signal and feedback to the LC VCO unit. The processing unit also detects whether or not the averaged voltage value has reached to a saturation state and a corresponding critical current. After the current control signal reaches to the critical current, the current control signal is set within a variance range near the critical current. | 10-31-2013 |
Patent application number | Description | Published |
20090108935 | Variable gain amplifier including series-coupled cascode amplifiers - A variable gain amplifier to convert an amplifier input voltage to an amplifier output voltage, the variable gain amplifier includes: a plurality of cascode amplifiers coupled in series; a plurality of switching transistor pair circuits coupled in series; and a bias circuit coupled to provide bias voltages to each of the plurality of cascode amplifiers; wherein each of the switching transistor pair circuits is further coupled between two consecutive ones of the cascode amplifiers; a first one of the cascode amplifiers is configured to receive the amplifier input voltage; and a last one of the cascode amplifiers is configured to provide the amplifier output voltage. | 04-30-2009 |
20090108943 | LOW NOISE AMPLIFIER - A low-noise amplifier circuit to convert a single-ended input into a dual-ended output includes an input transconductance stage circuit, including a first MOS transistor coupled in parallel with a second MOS transistor; a current buffer circuit, including a third MOS transistor coupled in parallel with a fourth MOS transistor; each of the first, second, third, and fourth transistors having a body, gate, source, and drain; the input transconductance stage circuit and the current buffer circuit being cascode coupled, forming a cascode amplifier configuration; the single-ended input being at the source of one of the first and second transistors in the input transconductance stage circuit; the dual-ended output being a differential output across the drain of the third transistor and the drain of the fourth transistor; the first and second transistors of the input transconductance stage circuit being cross-coupled, wherein the body of the first transistor is coupled to the source of the second transistor, and the body of the second transistor is coupled to the source of the first transistor; and the third and fourth transistors of the current buffer circuit being cross-coupled, wherein a first capacitance is coupled between the gate of the third transistor and the source of the fourth transistor, and a second capacitance is coupled between the gate of the fourth transistor and the source of the third transistor. | 04-30-2009 |
20090108944 | LOW-NOISE AMPLIFIER CIRCUIT INCLUDING BAND-STOP FILTER - A low-noise amplifier circuit includes a MOS transistor in a common gate amplifier configuration. A single-ended input is at a source of the MOS transistor. A resonant cavity filter circuit is coupled to a gate of the MOS transistor. | 04-30-2009 |
Patent application number | Description | Published |
20110279226 | CHARGING SYSTEM AND CHARGING METHOD THEREOF - A charging system and the charging method are provided. The charging system comprises a charging unit and a rechargeable unit. The rechargeable unit includes a first wireless communication apparatus and a first wireless charging module. The charging unit includes a second wireless communication apparatus, a second wireless charging module and a processing module. The charging method comprises the steps of: transmitting an authentication code and a charging signal to the second wireless communication apparatus by the first wireless communication apparatus; verifying the authentication code by the processing module after receiving the authentication code and the charging signal from the second wireless communication apparatus; charging the first wireless charging module via wireless charging by the second wireless charging module controlled by the processing module when the authentication code is verified. | 11-17-2011 |
20120066659 | METHODS FOR GENERATING DEVICE LAYOUTS BY COMBINING AN AUTOMATED DEVICE LAYOUT GENERATOR WITH A SCRIPT - Methods for generating a device layout are provided. First, design rules corresponding to a specific technology are received. A selection of at least one element and a parameter value corresponding to at least one parameter on the selected element are received. A draft device layout corresponding to the selected element is generated by a device generator by referencing the parameter value and the design rules. A script is then executed to modify the draft device layout to generate an updated device layout. The script includes at least one command, and when the script is executed, the at least one command is performed to modify the parameter value of the at least one parameter of the selected element and cause the device generator to delete the old draft device layout and generate a new draft device layout by referencing the modified parameter value and the design rules. | 03-15-2012 |
20120294351 | Equalizer and Communication System - An equalizer for compensating an input signal in a receiver of a communication system is disclosed. The equalizer includes a first transistor, having a gate for receiving a positive input voltage of the input signal; a second transistor, having a gate for receiving a negative input voltage of the input signal, and a source coupled to a source of the first transistor; and a resistor, connected with at least one capacitor to be coupled between a drain of the first transistor and a drain of the second transistor, for optimizing a resistance of the resistor, to compensate the input signal. | 11-22-2012 |
Patent application number | Description | Published |
20110320205 | ELECTRONIC BOOK READER - An electronic book reader includes a display, an audio output device, a text obtaining module, a storing module, a text displaying module, a text analyzing module, a text highlighting module, a speech synthesis module, a player module, and a synchronization control module. The text obtaining module obtains a text from a text source. The storing module stores the text. The text displaying module displays the text on the display. The text analyzing module divides the text into a plurality of segments according to punctuations of the text, and read a selected segment. The speech synthesis module converts the selected segment into speech. The synchronization control module sends a command to the text analyzing module for reading the segment, and sends the segment to the text highlighting module and speech synthesis module synchronously. | 12-29-2011 |
20110320206 | ELECTRONIC BOOK READER AND TEXT TO SPEECH CONVERTING METHOD - An electronic book reader includes a text obtaining module, a text highlighting module, a speech synthesis module, a player module, and a synchronization control module. The text obtaining module obtains a selected segment of a text. The text highlighting module highlights the selected segment. The speech synthesis module converts the selected segment into a speech. The player module plays the speech. The synchronization control module sends the selected segment to the text highlighting module and speech synthesis module synchronously. | 12-29-2011 |
Patent application number | Description | Published |
20120046480 | DENSE CU BASED THIN FILM AND THE MANUFACTURING PROCESS THEREOF - The disclosure provides a dense Cu thin film, a dense CuO thin film and the manufacturing process applied in metallization process of ultra-large scale integration (ULSI), which uses a two-step growth consisting of pre-deposition and annealing to form a dense Cu thin film or a dense CuO thin film. In the process, a copper-containing metal-organic complex is used as precursor and a reducing gas is used as carrier gas. The precursor is carried to a reactive system with a substrate by a carrier gas and pre-deposit a CuO thin film on the substrate under lower temperature. Next, stop supplying the precursor and raise the temperature or offer other energy to anneal the thin film with hydrogen gas or reducing gas, which reduces the CuO thin film to a smooth and dense Cu thin film. Then, choosing oxide containing gas as the react gas obtains the CuO thin film. | 02-23-2012 |
20120118204 | METHOD FOR PREPARING LOW K MATERIAL AND FILM THEREOF - A method for preparing a low dielectric constant (low k) material and a film thereof is provided. The method includes the following steps. A substrate is first put into a plasma generating reaction system, and a carrier gas carrying a carbon and fluorine containing silicon dioxide precursor is then introduced into the plasma generating reaction system, so that the carbon and fluorine containing silicon dioxide precursor is formed on the substrate. After that, the carbon and fluorine containing silicon dioxide precursor is converted to a low k material film through heating; meanwhile, a stress of the low k material film is eliminated such that the film has a more compact structure. By means of these steps the carbon and fluorine containing silicon dioxide precursor is still capable of forming a low k material film of silicon dioxide containing a large amount of fluorocarbon, even under various different atmospheres. | 05-17-2012 |
20130143402 | Method of forming Cu thin film - The disclosure provides a method for forming a dense Cu thin film by atomic layer deposition, comprising the following steps of: (A) providing an additive gas; (B) choosing a copper-containing metal-organic complex as a precursor; (C) using a carrier gas to introduce the additive gas into the precursor cell mixing with the precursor; (D) pre-depositing the precursor on the surface of the substrate with a TaN | 06-06-2013 |
20140072479 | Delivery Equipment for the Solid Precursor Particles - The present invention discloses a delivery equipment for the solid precursor particles, which is applied to the deposition of thin film. The delivery equipment for the solid precursor particles mainly comprises a container, a feeding material inlet, a feeding material tube, a feeding gas inlet, a feeding gas tube, and an output. A plurality of solid precursor particles are stored in the carrier liquid of the container, and then heated to be vapor, removed through the output of the container. The solid precursor particles are prepared by sublimation or grounding and uniformly dispersed in the carrier liquid. The disclosed delivery equipment for the solid precursor particles can reduce the required heating temperature, increase the thermal stability, prolong the used life time, and then increase the using efficiency of the precursors. | 03-13-2014 |
Patent application number | Description | Published |
20130088193 | WIRELESS CHARGER WITH POSITION-GUIDING MECHANISM - A wireless charger includes a wireless charging body, a carrier and an elastic element. The wireless charging body has a track. The carrier includes an extension part, which is movably disposed on the track. The elastic element is connected with the carrier for providing a pulling force to the carrier, so that the carrier is maintained at an initial position. When an electronic device is held by the carrier, the carrier is moved from the initial position to a charging position along the track in response to a gravity force of the electronic device, so that a receiver coil of the electronic device is aligned with a transmitter coil of the wireless charging body. When the electronic device is not held by the carrier, the carrier is returned to the initial position in response to the pulling force. | 04-11-2013 |
20130169058 | WIRELESS POWER TRANSMISSION DEVICE - A wireless power transmission device includes a main body, a first position-limiting bulge, a second position-limiting bulge, and a closed transmitter coil. The first position-limiting bulge and the second position-limiting bulge are disposed within the main body. A space is defined between the first position-limiting bulge and the second position-limiting bulge. The closed transmitter coil is penetrated through the space. The two sides of the closed transmitter coil are respectively in contact with the first position-limiting bulge and the second position-limiting bulge, so that the closed transmitter coil is shaped as a dumbbell. Since the closed transmitter coil is shaped as a dumbbell, the magnetic flux can be uniformly generated by the electromagnetic effect when the closed transmitter coil is magnetized. Under this circumstance, the wireless charging efficiency is enhanced. | 07-04-2013 |
20130206945 | CLAMPING DEVICE - A clamping device is used for clamping an object. The clamping device includes a main body, an actuating mechanism, and two clamping arms. The actuating mechanism is disposed within the main body. The actuating mechanism includes a gear and cam, which are coaxial with each other. Each of the two clamping arms has an extension part. The two extension parts are engaged with two opposite sides of the gear. In a case that the engaging element is engaged with the cam, the two clamping arms are in an open status. In a case that the engaging element is disengaged with the cam, the gear is driven by the cam to be rotated. As the gear is rotated, the two extension parts are towed to be linearly moved. Consequently, the two clamping arms are switched from the open status to a clamping status. | 08-15-2013 |
20130257361 | WIRELESS CHARGING DEVICE - A wireless charging device includes a casing, a carrying member, and a first coil assembly. The casing includes a receiving space, an entrance side, and a supporting part. The carrying member includes a carrying plate, a first elastic structure, and a second elastic structure. The supporting part is disposed within the receiving space. The carrying member is located over the supporting part. The first coil assembly is fixed on the carrying plate. When the entrance side of the casing is fixed on a first surface of an object, the supporting part is presses against the first elastic structure and the second elastic structure, allowing the first elastic structure and the second elastic structure to be pushed by the first surface of the object and subject to deformation. Consequently, a balanced supporting force is generated to maintain a specified distance between the first coil assembly and the first surface of the object. | 10-03-2013 |
20140035381 | WIRELESS POWER TRANSMISSION DEVICE - A wireless power transmission device includes a circuit board, heat-dissipating plate, a closed transmitter coil, and an encapsulation member. The closed transmitter coil is disposed on the circuit board. The heat-dissipating plate is disposed on the circuit board. The circuit board, the heat-dissipating plate and the closed transmitter coil are sealed by the encapsulation member. Since no gaps are formed in the encapsulation member, the foreign liquid and dust are prevented from being introduced into the encapsulation member. Moreover, since portions of the heat-dissipating plate are partially protruded outside the encapsulation member and partially exposed outside the encapsulation member, the wireless power transmission device of the present invention has enhanced heat-dissipating efficiency. | 02-06-2014 |
20140139179 | WIRELESS CHARGING DEVICE - A wireless charging device includes a circuit board, a heat-absorbing plate, an inductive transmitter coil, and a casing. The inductive transmitter coil is disposed on the heat-absorbing plate. The heat-absorbing plate is disposed on the circuit board. The circuit board, the heat-absorbing plate and inductive transmitter coil are covered by the casing. The heat-absorbing plate includes at least one opening for increasing the entropy value of the heat-absorbing plate. | 05-22-2014 |
20140284226 | PROTECTING DEVICE FOR ELECTRONIC DEVICE - A protecting device for an electronic device is provided. The protecting device includes a first main body and a second main body. The first main body has a closed receiver coil for receiving electric power from a wireless power transmission device. The second main body is connected with the first main body, and slidable and swingable relative to the first main body. After the electronic device is stored in the protecting device, the second main body may be slid and swung relative to the first main body in order to expose a connecting port of the electronic device. Consequently, a connecting wire may be plugged into the connecting port. | 09-25-2014 |
20150069961 | WIRELESS CHARGING DEVICE - A wireless charging device for charging an electronic device is provided. Thee wireless charging device includes an adjustable bracket assembly and a wireless charging body. The wireless charging body is disposed on the adjustable bracket assembly. The adjustable bracket assembly includes a first bracket and a second bracket, wherein a relative position between the first bracket and the second bracket is adjustable. When a relative position between the first bracket and the second bracket is adjusted, a position of the electronic device supported on the adjustable bracket assembly is changed. Consequently, the wireless charging body is aligned with the electronic device to perform an efficient wireless charging operation on the electronic device. | 03-12-2015 |
20150188318 | WIRELESS POWER TRANSMISSION DEVICE - A wireless power transmission device includes a main body and a transmitter coil plate. The transmitter coil plate is disposed within the main body. The transmitter coil plate includes a coil plate body, a first transmitter coil structure, and a second transmitter coil structure. The first transmitter coil structure is disposed on a top surface of the coil plate body, and swirled along a first direction. The second transmitter coil structure is disposed on a bottom surface of the coil plate body, and swirled along a second direction. When the transmitter coil plate is magnetized, the magnetic flux generated by the transmitter coil plate is increased. Consequently, the wireless charging efficiency is enhanced. | 07-02-2015 |