ACTIONS SEMICONDUCTOR CO., LTD.
|ACTIONS SEMICONDUCTOR CO., LTD. Patent applications|
|Patent application number||Title||Published|
|20130117031||AUDIO DATA ENCODING METHOD AND DEVICE - Provided is an audio data encoding method and device for use in Ogg/Vorbis encoding in portable multimedia players. The method comprises: receiving audio data requiring encoding (||05-09-2013|
|20120124437||INTEGRATED CIRCUIT HAVING A SCAN CHAIN AND TESTING METHOD FOR A CHIP - An IC having a scan chain and a testing method for a chip, comprising a first interface group, a second interface group and a scan data selector. The first interface group and the second interface group each comprise at least two input/output (I/O) interfaces which can be packaged as external pins of the IC. The I/O interfaces of the first interface group are connected to input terminals of the scan data selector in one-to-one correspondence, and an output terminal of the scan data selector is connected to a scan data input terminal of the scan chain. A scan data output terminal of the scan chain is connected to the I/O interfaces of the second interface group.||05-17-2012|
|20110266998||Battery Charging Method and Device - A method and apparatus for charging a battery is provided. The apparatus includes: a constant current circuit, a constant voltage circuit and a control circuit. The control circuit is adapted to control the constant current circuit to perform constant current charging to the battery; after a battery voltage during the constant current charging reaches a preset charging limited voltage, control the constant voltage circuit to perform constant voltage charging to the battery; after a charging current during the constant voltage charging becomes smaller than or equal to a predetermined threshold, control the battery to be charged by pulse charging until an open circuit voltage of the battery is larger than or equal to a preset voltage threshold.||11-03-2011|
|20110166857||Human Voice Distinguishing Method and Device - A human voice distinguishing method and device are provided. The method involves: taking every n sampling points of the current frame of audio signals as one subsection, wherein n is a positive integer, judging whether two adjacent subsections have transition relative to a distinguishing threshold, wherein the sliding maximum absolute value of the two adjacent subsections is more and less than the distinguishing threshold respectively, if so, then determining the current frame to be human voice, where the sliding maximum absolute value of the subsection is obtained by the following method: taking the maximum value of absolute intensity of every sampling point in this subsection as the initial maximum absolute value of this subsection, and taking the maximum value of the initial maximum absolute value of this subsection and m subsections following this subsection as the sliding maximum absolute value of this subsection, wherein m is a positive integer.||07-07-2011|
|20110102053||METHOD AND SOC FOR IMPLEMENTING TIME DIVISION MULTIPLEX OF PIN - A method for using pins in different mode during different time is provided. The method is able to make at least one pin of a SOC be used in a first interface mode or a second interface mode during different time; wherein the SOC comprises a first interface circuit, a first pin, a second interface circuit, and a second pin; the first interface circuit comprises a first bidirectional PAD unit, a first signal interface unit of the first interface mode and a interface unit of the second interface mode; the second interface circuit comprises a second bidirectional PAD unit, a second signal interface unit of the first interface mode. The method comprises: selecting the output of the first signal interface unit or the output of the interface unit of the second interface mode to be connected with the first pin through the first bidirectional PAD unit during different time.||05-05-2011|
|20110050163||BATTERY CHARGING DEVICE AND METHOD FOR CONTROLLING CHARGING THEREOF - The present invention is adapted for the field of power supply and provides a battery charging device and a method for controlling charging thereof, including: a charging circuit which has a charging current setting terminal for charging the battery according to charging current of the charging current setting terminal; a charging current control circuit which is connected with the charging current setting terminal and adjusts the charging current gradually according to equivalent resistance in the charging current control circuit; a general register circuit which is connected to the charging current control circuit and to control the equivalent resistance by setting value of a general register. In the present invention, a plurality of switching tubes and resistances are integrated into the charging current control circuit. The switching tubes is switched on or off by setting the value of the general register, thereby adjusting the existing charging current gradually and causing the voltage of the charging power source to descend/ascend smoothly. This provides a solution to the problem of equipment instability caused by the voltage fluctuation in the adjustment process of charging current in the existing technology.||03-03-2011|
|20100188881||Method and Device for Correcting and Obtaining Reference Voltage - The present invention discloses a method for adjusting a reference voltage, including: decoding a default code configured in a reference voltage register in a chip to obtain an actual reference voltage; comparing the actual reference voltage with a benchmark value to obtain a deviation value between the two; configuring an adjustment code according to the deviation value; and, burning the adjustment code into a nonvolatile storage medium. The present invention also discloses an apparatus for adjusting a reference voltage. According to the method and apparatus for adjusting a reference voltage provided by embodiments of the present invention, the reference voltage need not be adjusted according to an external power supply's different application schemes. Thus, adjustment on the reference voltage of the chip is standardized and costs of the chip's application schemes are saved. Embodiments of the present invention further provide a method and apparatus for obtaining a reference voltage, which makes it not necessary to configure a dedicated reference voltage pin in the chip for introducing an external reference voltage, and thus stability of the circuit's working is improved and costs of the chip's applications are decreased.||07-29-2010|
|20100185805||Method And Apparatus For Performing Wear Leveling In Memory - The embodiment of the solution provides a method for performing wear leveling in a memory. The method includes: dividing the lifecycle of the memory which includes more than one physical blocks into at least one sampling interval; for each sampling interval, getting the first physical block by taking statistics of the degree of the wear leveling of each physical block in the memory in the current sampling interval; getting the second physical block by taking statistics of the updating times of each logical address in the current sampling interval; exchanging the logical addresses and data of the first physical block and the second physical block. The embodiment of the solution also provides an apparatus corresponding the method||07-22-2010|
|20100182074||Signal Output Apparatus, a Charge Pump, a Voltage Doubler and a Method to Output Current - A signal output apparatus, a charge pump, a voltage doubler and a method to output current. They use the interior circuit of a chip to generate an oscillation signal whose swing is between 0 and 2×V||07-22-2010|
|20090316888||PLAYING METHOD AND DEVICE OF DIGITAL RIGHT MANAGING MULTIMEDIA - A playing method of digital right managing multimedia is disclosed, in which the files of DRM multimedia to be played take a Page as a playing basic unit, when the operation of fast-forward/fast-reverse is triggered, the method comprises: determining time of fast-forward/fast-reverse; determining number of Pages of fast-forward/fast-reverse based on the time of fast-forward/fast-reverse; determining Page of target playing position based on the number of Pages of fast-forward/fast-reverse; calculating key stream of the Page of the target playing position based on prestored key data of the first Page; decrypting ciphertext of the Page of the target playing position based on the calculated key stream of the Page of the target playing position; and decoding the decrypted Page of the target playing position and playing the decrypted Page of the target playing position. A playing device is also provided. Therefore, the playing effect can be improved.||12-24-2009|
Patent applications by ACTIONS SEMICONDUCTOR CO., LTD.