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Assignee: Mediatek Inc.


Location: Hsin-chu, TW
No. of patents: 564

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NumberTitleIssue Date
8185718Code memory capable of code provision for a plurality of physical channels
The invention provides a code memory capable of code provision for a plurality of physical channels. In one embodiment, the code memory comprises a selecting multiplexer, a core memory module, and a code buffer. The selecting multiplexer repeatedly latches on to a p...
05/22/2012
8185093Methods for handling an apparatus terminated communication request and communication apparatuses utilizing the same
A communication apparatus is provided. A first subscriber identity card is with a first address and camps on a first cell. A second subscriber identity card is with a second address and camps on a second cell. A processor determines whether a first communication sta...
05/22/2012
8184566Systems for wireless local area network (WLAN) transmission and for coexistence of WLAN and another type of wireless transmission and methods thereof
An embodiment of a system for the coexistence of a wireless local area network (WLAN) in power saving mode, and another type of wireless transmission is provided. A wireless transmission module is configured to transmit or receive data in two slots separated by an a...
05/22/2012
8180166Transcoding method
A method for transcoding a first codeword to a second codeword, wherein both comprise escape codes and escape levels is disclosed. The method comprises receiving a bitstream to determine the first codeword therefrom, determining whether the first codeword belongs to...
05/15/2012
8179984Multifunctional 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 selec...
05/15/2012
8176394Linear feedback shift register structure and method
An LFSR module is configured according to a characteristic polynomial for generating an output stream according to an input stream. The LFSR module has several LFSRs coupled together and an output generator. Each LFSR respectively receives a sub-input stream and at ...
05/08/2012
8175621Methods for providing multiple wireless communication services with reduced paging collisions and communication apparatuses utilizing the same
A communication apparatus is provided. The communication apparatus comprises a radio transceiver module, a first subscriber identity card, a second subscriber identity card and a processor. The processor is coupled to the radio transceiver module, the first subscrib...
05/08/2012
8169265Phase lock loop circuits
A phase lock loop circuit is provided. A phase frequency detector detects a phase difference between a feedback signal and a reference signal, and generates a phase error signal in response to the detected phase difference. A charge pump consists of at least one cor...
05/01/2012
8169202Low dropout regulators
Low dropout regulators capable of preventing damage caused by a short circuit or a heavy load are provided, in which a pass transistor receives an unregulated power supply voltage to generate a regulated output voltage according to a control signal. Additionally, a ...
05/01/2012
8164971Dual power rail word line driver and dual power rail word line driver array
A dual power rail word line driver for driving a word line of a memory array according to a predecode signal from a decoder powered by a first supply voltage is provided. A signal buffering unit is coupled between the word line and a node. A pull-down unit is couple...
04/24/2012
8156486Patching devices and methods thereof for patching firmware functions
A patching device and method thereof for patching a firmware function by a patch function. When a fetch address from a processor does not correspond to the firmware function, the patching device outputs an instruction of the fetch address to respond to the processor...
04/10/2012
8156366Method and apparatus for timing and event processing in wireless systems
A digital baseband processor is provided for concurrent operation with different wireless systems. The digital baseband processor includes a digital signal processor for executing digital signal processor instructions, a microcontroller for executing microcontroller...
04/10/2012
8155636Systems and methods for remotely controlling mobile stations
Methods for remotely controlling a mobile station by a controller are provided. An embodiment of a method performed by the mobile station comprises the following steps. An action request comprising a remote control instruction issued by the controller is received. T...
04/10/2012
8155241System for processing common gain values
A method includes receiving data elements representative of constellation points of a modulated signal. Each data element includes a gain. The method also includes identifying a common gain value among the received data elements, and adjusting the data elements to i...
04/10/2012
8155212System and method for outputting video streams
A structure outputting a decoded video stream includes a processing block and a range modification circuit. The processing block decodes an input stream to generate and store a decoded stream in a decoded picture buffer, wherein the decoded stream comprises a lumina...
04/10/2012
8154960Power saving method and system applied in optical disk drive
The present invention sets forth a power saving method and a power saving system applied in an optical disk drive. The power saving system comprises a central processing unit, a spindle motor, an optical pick-up unit, an analog portion of control circuits and a digi...
04/10/2012
8149937Signal receiver and method for estimating residual doppler frequencies of signals thereof
The invention provides a signal receiver. The signal receiver comprises a carrier removal module, a Fast Fourier Transformation (FFT) module, and a signal processor. The carrier removal module generates a carrier signal with a frequency of an estimated carrier frequ...
04/03/2012
8149900Low complexity acquisition method for GNSS
A low complexity acquisition method and a receiver implemented such a method are disclosed. In the present invention, a cyclical shifted-and-combined (CSC) code is generated by intercepting sub-codes from a full code and combining the sub-codes with an equal gain. T...
04/03/2012
8149702Multi-mode bit rate processor
An apparatus for processing signals in a wireless system includes a first memory module to receive input data from a set of physical channels, a first plurality of sub-modules to process the input data. Each of the first plurality of sub-modules is selected to funct...
04/03/2012
8149146Automatic power control system for optical disc drive and method thereof
An automatic power control system, an automatic power control method, a down sampling circuit and a down sampling method. The automatic power control system is incorporated in an optical disc drive comprising a laser diode for receiving a control signal to generate ...
04/03/2012
8149047Bandgap reference circuit with low operating voltage
A bandgap reference circuit comprising a current mirror, an operational amplifier, first and second BJT transistors is disclosed. The current mirror comprises a first input terminal, a second input terminal and at least one output terminal. The operational amplifier...
04/03/2012
8144732Method for boosting downlink transmission to mobile station and system utilizing the same
The invention discloses a method for boosting the downlink transmission rate to a mobile station by a processing unit thereof, including the steps of requesting a base station for a bandwidth amount for transmission of at least one un-generated acknowledgement (ACK)...
03/27/2012
8143902eFuse macro
An eFuse with at least one fuse unit is provided. The fuse unit includes a common node, a sensing unit with a first input terminal and a second input terminal, at least one fuse coupled between the common node and the first input terminal of the sensing unit with a ...
03/27/2012
8143877Semiconductor circuits capable of mitigating unwanted effects caused by input signal variations
Semiconductor circuit capable of mitigating unwanted effects caused by variations in a received input signal are provided, in which a main circuit receives an input signal and comprises a first current source coupled between a first node and a first power voltage to...
03/27/2012
8140877Reducing power consumption in a system operating in a power saving mode
An apparatus is provided, for reducing power consumption in a system operating in a power saving mode, comprising a controller, an oscillator circuit and a voltage regulator. The controller provides a first control signal and a second control signal. The oscillator ...
03/20/2012
8139553Methods and apparatuses for link management in a scatternet
An embodiment of a method for link management in a scatternet, performed by a wireless communication device, is provided. The wireless communication device simultaneously establishes a synchronization link in a first piconet, and an asynchronization link in a second...
03/20/2012
8139085Display data extraction methods, devices and computer systems utilizing the same
A device of capturing display data is implemented in an electronic device. A first request for capture of display data associated with the display of the electronic device is received. The display is a composite image generated by a program from one or more raw data...
03/20/2012
8139054Luminance compensation apparatus and method
A luminance compensation apparatus and method applied to an electronic apparatus are disclosed. The luminance compensation apparatus includes an environment detector, a processor, and a luminance compensation unit. The environment detector is for detecting environme...
03/20/2012
8138956CABAC encoder and CABAC encoding method
A CABAC encoding method includes: receiving first and second coefficient flags (Sig, Last); detecting coefficient flags according to positions of the detected coefficient flags and control signal (Sig_first); generating first bin and second bin (bin_val_1, bin_val_2...
03/20/2012
8138742Semiconductor circuits capable of mitigating unwanted effects caused by input signal variations
Semiconductor circuit capable of mitigating unwanted effects caused by variations in a received input signal are provided, in which a main circuit receives an input signal and comprises a first current source coupled between a first node and a first power voltage to...
03/20/2012
8135063Rate control method with frame-layer bit allocation and video encoder
A video encoder controlling rate of each frame in a current frame set (Group of Picture, GOP), and method thereof. The video encoder comprises a frame grouping device, a GOP initialization device, and a GOP encoding device. The frame grouping device allocates a targ...
03/13/2012
8134854Efuse device
An exemplary embodiment of an efuse device is provided, operating in a write mode and a read mode and comprising a source line, a cell, a blow device, and a sensing circuit. The cell has a first terminal coupled to the source line and a second terminal. The blow dev...
03/13/2012
8127302Method for dynamically adjusting audio decoding process
A method for dynamically arranging DSP tasks. The method comprises receiving an audio bit stream, checking a remaining execution time as the DSP transforms the audio information into spectral information, simplifying the step of transforming the audio information wh...
02/28/2012
8127167Methods for reducing power consumption and devices using the same
A method for reducing power consumption of a device with an embedded memory module is provided. The device includes comprises a processor, an embedded memory module, a software module, a power supplying unit, and an auxiliary logic. The embedded memory module is acc...
02/28/2012
8126509Methods for handling packet-switched data transmissions by mobile station with subscriber identity cards and systems utilizing the same
A method for handling packet-switched data transmissions by a mobile station with a first subscriber identity card coupled to a first radio frequency (RF) module and a second subscriber identity card coupled to a second RF module, executed by an adapter of the mobil...
02/28/2012
8125943Method for positioning user equipment accessing multiple mobile networks
The invention provides a method for positioning a user equipment. First, a plurality of wireless links between the user equipment and a plurality of mobile networks are established. A plurality of first location information sets describing a location of the user equ...
02/28/2012
8124461Method for manufacturing leadframe, packaging method for using the leadframe and semiconductor package product
A leadframe package includes a die pad with four unitary, outwardly extending slender bars; a plurality of leads arranged along periphery of the die pad; a separate pad segment separated from the die pad and isolated from the plurality of leads; a semiconductor die ...
02/28/2012
8121643Methods for initiating operating voltages for subscriber identity cards and systems utilizing the same
A system for initiating operating voltages for subscriber identity cards is provided. The system includes a first subscriber identity card, a second subscriber identity card, an RF module, a controller and a Baseband unit. The controller initiates a first operating ...
02/21/2012
8121601Methods for integrating cell measurement procedures of a communication apparatus and communication apparatuses utilizing the same
A communication apparatus is provided. The communication apparatus includes a processor, a first and a second subscriber identity card and at least one radio transceiver module. The processor is coupled to the first subscriber identity card, the second subscriber id...
02/21/2012
8121584Methods for handling conference communication and the communication apparatuses utilizing the same
A communication apparatus is provided. A first subscriber identity card camps on a first cell belonging to a first wireless network capable of providing a conference communication service for the first subscriber identity card with at most N peer communication entit...
02/21/2012
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