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Chang, Hsichih
Chi-Chung Chang, Hsichih TW
| Patent application number | Description | Published |
|---|---|---|
| 20090167610 | Patch antenna and method of making the same - A patch antenna includes: a dielectric layer made of an insulation material, and having upper and lower surfaces, and a through hole; a radiation metal layer disposed on the upper surface of the dielectric layer, and having a first plate body, a first aperture aligned with the through hole, and a first protruding portion extending from a peripheral edge of the first aperture into the through hole; and a grounding metal layer disposed on the lower surface of the dielectric layer, and having a second plate body, a second aperture aligned with the through hole, and a second protruding portion extending from a peripheral edge of the second aperture into the through hole. The first and second protruding portions contact each other in the through hole so that the radiation and grounding metal layers are electrically connected. A method of making a patch antenna is also disclosed. | 07-02-2009 |
| 20110209338 | PATCH ANTENNA AND METHOD OF MAKING THE SAME - A patch antenna includes: a dielectric layer made of an insulation material, and having upper and lower surfaces, and a through hole; a radiation metal layer disposed on the upper surface of the dielectric layer, and having a first plate body, a first aperture aligned with the through hole, and a first protruding portion extending from a peripheral edge of the first aperture into the through hole; and a grounding metal layer disposed on the lower surface of the dielectric layer, and having a second plate body, a second aperture aligned with the through hole, and a second protruding portion extending from a peripheral edge of the second aperture into the through hole. The first and second protruding portions contact each other in the through hole so that the radiation and grounding metal layers are electrically connected. A method of making a patch antenna is also disclosed. | 09-01-2011 |
Chih-Feng Chang, Hsichih TW
| Patent application number | Description | Published |
|---|---|---|
| 20100306443 | SIGNAL TRANSMISSION INTERFACE AND DIGITAL BROADCAST RECEIVING DEVICE - A signal transmission interface includes: a USB audio format encoding unit adapted to be coupled to a digital broadcast receiving end, for converting a digital audio signal that originates from the digital broadcast receiving end into a USB audio signal; a USB hub coupled to the USB audio format encoding unit and adapted to be coupled to a host end, for transmitting the USB audio signal to the host end and receiving a USB control signal that originates from the host end; and a USB/serial transmission bus bridge unit coupled to the USB hub and adapted to be coupled to the digital broadcast receiving end, for converting the USB control signal that is transmitted from the USB hub into a serial transmission bus control signal, and transmitting the serial transmission bus control signal to the digital broadcast receiving end. | 12-02-2010 |
Chih-Hua Chang, Hsichih TW
| Patent application number | Description | Published |
|---|---|---|
| 20110223858 | Mobile Communication Device with Low Near-Field Radiation and Related Antenna Structure - A mobile communication device includes an antenna structure. The antenna structure includes a circuit board; a ground plane disposed on the second surface of the circuit board and includes a first side edge and a second side edge; an antenna element disposed on the first surface of the circuit board or placed near the circuit board, and includes a first operating band and a second operating band; and a first inductively-coupled element, located near the first side edge of the ground plane, and includes a metal plate and an inductive element, wherein the metal plate is electrically connected to the ground plane through the inductive element. The first inductively-coupled element generates a resonant mode at a specific frequency within the second operating band to reduce a surface current excitation on the ground plane and reduce near-field E-field and H-field strengths of the mobile communication device within the second operating band. | 09-15-2011 |
| 20120098721 | Mobile Communication Device and Antenna - A mobile communication device is provided. The mobile communication device includes a system circuit board with a surface, a ground plane having a monopole slot on the surface, a microstrip feedline, and a metal element, wherein the ground plane has a longer edge and a shorter edge. The monopole slot has a first operating band and a second operating band. The microstrip feedline is located on the system circuit board, wherein one end of the microstrip feedline passes over the monopole slot, and the other end of the microstrip feedline is connected to a signal source. The metal element is electrically connected to the shorter edge of the ground plane, and is substantially perpendicular to the ground plane. A distance between the open end of the monopole slot and the shorter edge of the ground plane where the metal element is connected is shorter than 0.05 wavelength of the lowest operating frequency of the first operating band. | 04-26-2012 |
Chi-Sung Chang, Hsichih TW
| Patent application number | Description | Published |
|---|---|---|
| 20090323280 | ELECTRONIC APPARATUS - An electronic apparatus includes a housing and an airflow regulating device. The housing defines an accommodating space therein, and an air inlet that places the accommodating space in fluid communication with the external environment. The airflow regulating device includes a cover panel for covering and uncovering the air inlet, and an actuating mechanism coupled to the cover panel and driving movement of the cover panel to adjust the degree of opening of the air inlet in response to a change in temperature in the accommodating space so as to enhance the heat-dissipating efficiency of a cooling fan, minimize crashing and other problems due to poor heat dissipation, avoid the use of a heat-dissipating module that is high in cost and complicated in structure, and reduce manufacturing costs. | 12-31-2009 |
Hung-Chi Chang, Hsichih TW
| Patent application number | Description | Published |
|---|---|---|
| 20100124008 | ELECTRONIC DEVICE - An electronic device includes a display screen and a slide mechanism. The display screen includes first and second display panels, and a housing for receiving the second display panel. The slide mechanism includes two slide rails connected to the housing, and a slide frame connected slidably to the two slide rails and coupled to the second display panel. One of the slide rails has first and second positioning recesses. The slide frame has rollers connected to the slide rails. The slide frame can bring the second display panel to move between an initial position where the second display panel is on a rear face of the first display panel and a retaining unit is retained in the first positioning recess, and an open position where the second display panel is exposed from one side of the housing and the retaining unit is retained in the second positioning recess. | 05-20-2010 |
Shih-Jie Chang, Hsichih TW
| Patent application number | Description | Published |
|---|---|---|
| 20110161685 | Temperature Control Method and Electronic Device Thereof - A temperature control method and an electronic device thereof are disclosed. A temperature control method applicable to an electronic device comprises the following steps. A power-consumption vs. temperature lookup table is provided, which records a plurality of thermal zones and a plurality of power consumption budgets corresponding thereto. An initial power consumption budget is obtained from the power-consumption vs. temperature lookup table based on an initial thermal zone value. The power consumption modes of the plural processing units are dynamically regulated according to each detected duty basis of the processing units, and the initial power consumption budget. The power consumption budget is dynamically changed according to a detected temperature of the electronic device and the power-consumption vs. temperature lookup table. | 06-30-2011 |
Ting-Chang Chang, Hsichih TW
| Patent application number | Description | Published |
|---|---|---|
| 20100254185 | NONVOLATILE MEMORY APPARATUS AND METHOD OF USING THIN FILM TRANSISTOR AS NONVOLATILE MEMORY - The present invention relates to a nonvolatile memory apparatus and a method of using a thin film transistor (TFT) as a nonvolatile memory by storing carriers in a body of the TFT, which operates a general TFT as a memory cell of a nonvolatile memory by manipulating the electrical characteristics of the TFT in order to integrate with other electrical components formed by TFTs, such as logic circuit or TFT-LCD pixel transistor, on the LCD panel without additional semiconductor manufacturing processes. | 10-07-2010 |
| 20100322014 | ERASING METHOD FOR NONVOLATILE MEMORY - The present invention relates to an erasing method for nonvolatile memory, which uses forward bias between the source/drain region and body contact to inject majority carriers into the body, and then accelerates the majority carriers by an electric field between the body and the gate to energize the majority carriers to overcome the oxide barrier and to erase the nonvolatile memory. | 12-23-2010 |
| 20110096610 | METHOD FOR ENABLING A SONOS TRANSISTOR TO BE USED AS BOTH A SWITCH AND A MEMORY - There is a method for enabling a SONOS transistor to be used as both a switch and a memory. FN tunneling is carried out through the source or drain of the transistor, so as to further change the state of electrons stored in an upper charge storage layer adjacent to the drain or source, and the variation in gate-induced drain leakage is used to recognize the memory state of the drain and source. A stable threshold voltage of the transistor is always maintained during this operation. The present invention enables one single transistor having dual features of switch and memory, while being provided with a two-bit memory effect, thus providing a higher memory density in comparison with a general transistor. | 04-28-2011 |
Yao-Tsung Chang, Hsichih TW
| Patent application number | Description | Published |
|---|---|---|
| 20090063882 | Power Saving Apparatus and Method for a Portable Appliance - A power saving apparatus and method for a portable appliance to automatically enter into power saving mode when the portable appliance is turned off. The invention provides a power saving apparatus and method for a portable appliance to prevent the dam age of electronic elements and damage to saved data caused by the vibration from moving the portable appliance. | 03-05-2009 |
Yun-Ting Chang, Hsichih TW
| Patent application number | Description | Published |
|---|---|---|
| 20100262904 | Method for Displaying a Plug-In Frame in a Web Browser, a Computer Readable Medium, and a Computer Program Product for Executing the Same - A method for displaying a plug-in frame in a web browser, a computer readable medium, and a computer program product for executing the same are disclosed. The method includes the steps of: constructing each webpage element when a webpage of the web browser is opened or content of a webpage is altered; determining whether each webpage element is a plug-in frame; if yes, obtaining related data of each plug-in frame; arranging each required webpage element from bottom to top to generate a display list; calculating an intersection of each plug-in frame and each webpage element according to the display list; obtaining a new window mask of each plug-in frame according to the related data and the intersection; and displaying each webpage element located above each plug-in frame in the web browser according to the new window mask. | 10-14-2010 |
Yu-Wei Chang, Hsichih TW
| Patent application number | Description | Published |
|---|---|---|
| 20120105292 | Communication Device and Antenna Thereof - A communication device is provided, including a ground element, a substrate and an antenna. The substrate is adjacent to the ground element. The antenna provides a first band and a second band, and the antenna is disposed on the substrate. The antenna includes a radiator, a feed conductor, a capacitor unit and a short-circuiting unit. An end of the feed conductor is connected to a signal source, and another end of the feed conductor is electrically connected to the radiator. The capacitor unit is disposed on the feed conductor. The short-circuiting unit includes a first short-circuiting path and a second short-circuiting path, wherein the first and a second short-circuiting paths electrically connect the radiator to the ground element, the first short-circuiting path has a first path length, the second short-circuiting path has a second path length, and the first and second path lengths are longer than 0.05 times that of a wavelength of a lowest frequency of the first band. | 05-03-2012 |