ALPHA IMAGING TECHNOLOGY CORP.
|ALPHA IMAGING TECHNOLOGY CORP. Patent applications|
|Patent application number||Title||Published|
|20140022006||SWITCH CIRCUIT AND CHARGE PUMP USING THE SAME THEREOF - The switch circuit comprises a first switch, a second switch, a third switch, a forth switch, a fifth switch, a sixth switch and a seventh switch. The first switch couples the voltage input terminal to one terminal of a flying capacitor. The second switch couples one terminal of the flying capacitor to one terminal of the output capacitor. The third switch couples one terminal of the flying capacitor to a common terminal. The fourth switch couples the other terminal of the flying capacitor to one terminal of the output capacitor. The fifth switch couples one terminal of the output capacitor to a positive voltage output terminal. The sixth switch couples the other terminal of the flying capacitor to the common terminal. The seventh switch couples the other terminal of the flying capacitor to a negative voltage output terminal.||01-23-2014|
|20120294544||IMAGE COMPRESSION METHOD - An image compression method is provided. Residuals of a lot of pixel data are calculated. Respective compression costs of the residuals of the pixel data are estimated according to a lot of category residual relationships. The compression costs are compared and one of the category residual relationships is selected. The residuals of the pixel data are compressed according to the selected category residual relationship.||11-22-2012|
|20120294542||PIXEL DATA COMPRESSION AND DECOMPRESSION METHOD - A pixel data decompression method for decompressing a frame is provided. The method includes: loading memory storage addresses corresponding to to-be-decompressed blocks; reading and decompressing a pixel line of a current block according to a memory storage address of the current block; updating the memory storage address of the current block according to a decompression result; reading a memory storage address of a next block if decompression of a pixel line of the frame is not completed; and repeating the above steps until decompression of the frame is completed.||11-22-2012|
|20100201844||Apparatus and Method for Image Capturing - An image capturing method including following steps is provided. A preview image is captured and compressed into a compressed preview image according to a preview quantization table. An image complexity is judged by determining the amount of high frequency components the preview image has according to a set of factors consisting of the preview quantization table, a resolution of the preview image and a size of the compressed preview image. The more the amount of high frequency components the preview image has, the higher the image complexity. A to-be-captured image is captured. An initial quantization table is determined according to a set of factors consisting of the image complexity, a resolution of the to-be-captured image and an image compression target. The to-be-captured image is compressed into an output image according to the initial quantization table.||08-12-2010|
|20100167652||COMMUNICATION DEVICE AND COMMUNICATION METHOD THEREOF - A communication device and a communication method thereof are provided. The communication device includes a communication chip, a host processor, an audio processor, and a switch. The host processor includes a communication protocol module and a headset profile module. The audio processor includes an audio profile module. The communication protocol module supports a communication protocol including a headset profile, an audio profile and more profiles. The communication protocol module forms a first connection with a wireless headset. The headset profile module supports the headset profile. The audio profile module supports the audio profile. The switch selectively and electrically connects the communication chip to the host processor or the audio processor. When the audio processor executes a music play procedure, the communication protocol module suspends the first connection. After forming a second connection with the wireless headset, the audio profile module outputs a music package to the communication chip.||07-01-2010|
|20100085354||MULTI-MEDIA PROCESSOR, HAND-HELD ELECTRICAL COMMUNICATION DEVICE AND IMAGE PROCESSING METHOD THEREOF - A hand-held electrical communication device including a host processor, a multi-media processor and a display unit is provided. The host processor is used for outputting a graphic rendering command. The multi-media processor is used for adjusting an original image frame as an adjusted image frame, processing a dynamic image of the adjusted image frame as a processed dynamic image frame, processing a static image of the adjusted image frame as a processed static image frame, or drawing a graphic frame according to the graphic rendering command. The multi-media processor scales the adjusted image frame, the processed dynamic image frame, the processed static image frame or the graphic frame. The display unit is controlled by the host processor to display the scaled adjusted image frame, the scaled processed dynamic image frame, the scaled processed static image frame or the scaled graphic frame.||04-08-2010|
|20100014006||HAND-HELD ELECTRICAL COMMUNICATION DEVICE AND IMAGE PROCESSING METHOD THEREOF - A hand-held electrical communication device including an image sensing unit, a mobile TV receiver, an image signal processing unit, a display unit and a baseband processing unit is provided. The image sensing unit generates an original image frame. The mobile TV receiver receives a compressed video data. The image signal processing unit adjusts the original image frame to be an adjusted image frame or decompresses the compressed video data into a video image frame, and respectively scales the adjusted image frame or the video image frame to be a scaled image frame. The baseband processing unit displays the scaled image frame on the display unit.||01-21-2010|
|20100007678||HANDHELD ELECTRICAL COMMUNICATION DEVICE AND IMAGE PROCESSING METHOD THEREOF - A handheld electrical communication device includes an image sensing unit, an image signal processing unit, a storage unit, a display unit and a baseband processing unit. The image sensing unit generates an original image frame. The image signal processing unit adjusts the original image frame to be an adjusted image frame, scales the adjusted image frame to be a scaled image frame, and compresses the adjusted image frame into compressed image data. The storage unit stores the compressed image data. The baseband processing unit reads and outputs the compressed image data from the storage unit to the image signal processing unit. The image signal processing unit decompresses the compressed image data to be the adjusted image frame, scales the adjusted image frame to be the scaled image frame and outputs the scaled image frame to the baseband processing unit. The scaled image frame is displayed on the display unit.||01-14-2010|
|20090307397||MOBILE COMMUNICATION TERMINAL SYSTEM - A mobile communication terminal system includes a serial interface port, a multimedia output/input module, a multimedia processor, a frequency-signal output/input module, and a baseband processor. The serial interface port is coupled to a computer system via a serial interface. The multimedia output/input module provides a first input signal. The multimedia processor processes the first input signal to generate a first serial interface signal. The frequency-signal output/input module provides a second input signal. The baseband processor processes the second input signal to generate a second serial interface signal to the multimedia processor. The multimedia processor selectively establishes one of a communication connection between the multimedia processor and the serial interface port and a communication connection between the baseband processor and the serial interface port to correspondingly output one of the first serial interface signal and the second serial interface signal to the computer system via the serial interface port.||12-10-2009|
|20090046081||MODIFICATION DEVICE AND METHOD FOR SELECTIVELY MODIFYING TRANSMISSION PERFORMANCE OF IMAGE FRAME DATA - A device and method is provided to selectively modify the transmission performance of a frame data. Through a parallel transmission interface, the frame data is transmitted under a corresponding interface protocol and transmitted toward an image display. The method first detects a data size of the frame data and then provides a transmission control signal based on the detection of the data size. Next, selectively divide the frame data by a factor M based on the transmission control signal. Furthermore, transmit the divided frame data at a raised clock rate based on the factor M. Afterwards, temporarily store the divided frame data about to be transmitted toward the image display until the whole frame data is transmitted.||02-19-2009|
|20080284861||Image processing method and apparatus thereof - A method for obtaining a still image frame with anti-vibration clearness includes the following steps. Multiple raw image frames are captured during a capturing period according to a capturing instruction. The raw image frames are compressed respectively, according to a predetermined compression rule, into multiple compressed image frames each of which has a data length after such compression. The compressed image frames are stored according to a predetermined sequence. The data lengths of the compressed image frames stored are compared according to the predetermined sequence. The desired still image frame is obtained through the compressed image frame of which the data length has a unique feature among all the compressed image frames.||11-20-2008|
Patent applications by ALPHA IMAGING TECHNOLOGY CORP.