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Assignee: Chunghwa Telecom Co., Ltd.


Location: Taoyuan, TW
No. of patents: 12

NumberTitleIssue Date
7379545Method for automatic call-transfer using a softphone
A system for automatic call-transfer using a softphone, which applies the functions of a hardware telephone on a personal computer, is achieved by integrating a softphone system, a computer-telephony integration system, and a private branch exchange. This system is ...
05/27/2008
7302082Method for detecting motion pixels in image
A method for detecting motion pixels in image includes the following steps. The difference image between current image and background image is firstly obtained. Then, a binarization threshold from the distribution of all absolute pixel values in the difference image...
11/27/2007
7286484Q-learning-based multi-rate transmission control (MRTC) scheme for RRC in WCDMA systems
The present invention provides a method using Q-learning rule to accurately estimate the transmission cost for the multi-rate transmission control (MRTC) for RRC (radio resource control) in the WCDMA network. This method comprises the following iterative steps: firs...
10/23/2007
7203363String extraction method for image based on multiple stroke width patterns matching
A string extraction method for an image based on multiple stroke width patterns matching is provided. The string extraction method includes matching each possible stroke width pattern with an input image for obtaining the similarities between the width patterns and ...
04/10/2007
7171245Method for eliminating musical tone from becoming wind shear sound
The present invention provides a method for eliminating a musical tone from becoming a wind shear sound, which is used for the music recording file played in the GSM mobile communication system, such as the personal ring back tone. The method is to judge a portion o...
01/30/2007
7116814Image-based container defects detector
The image-based container defects detector consists of a plurality of camera units, a sensor unit, a frame grabber, and an image recognizer unit. The sensor unit serves to detect the vehicles entering the inspection station, and transmit a signal to the frame grabbe...
10/03/2006
7097778Process for fabricating a micro-optical lens
A process for fabricating a micro-optical lens comprises forming a wall post structure on a substrate, coating with a polymeric film on the wall post, then making it adhering over both sides of the wall post structure by a transverse etching on the substrate around ...
08/29/2006
7011713Cascade extracting and solvent refreshing method for recycling jelly cables
The method of continuously collecting jelly compounds from jelly filled cable is performed by recycling operation of a solvent by repeatedly heating, cleaning and condensing the recycling solvent used to deprive the jelly compounds of the jelly filled cable. The sol...
03/14/2006
6993464Optimized filter parameters design for digital IF programmable downconverter
The present invention discloses a method for finding an optimized filter parameters design to meet input specifications and hardware constraints in accordance with a typical single channel digital IF programmable downconverter. Said typical single channel digital IF...
01/31/2006
6808957Method for improving a high-speed edge-coupled photodetector
An edge-coupled photodetector, especially a compound semiconductor edge-coupled photodetectors, has a light funnel integrated right in front of the coupling aperture for enhancing the optical coupling efficiency. The light funnel is formed utilizing either a wet etc...
10/26/2004
6705521Automatic car toll computing and charging method
An automatic car toll computing and charging method is provided. The method includes steps of employing a cellular phone to process a log in and a log out of a car toll computing; previously storing the connection between a cellular phone number and a vehicle identi...
03/16/2004
6503770Self-aligned fabrication method for ridge-waveguide semiconductor laser
A self-aligned fabrication method utilizes dielectric planarization process for fabricating ridge waveguide semiconductor lasers. The dielectric planarization process starts with depositing a thick dielectric film onto the ridge-structured semiconductor w...
01/07/2003
 
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