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Chien-Hsiang
Chien-Hsiang Chang, Hsinchu City TW
| Patent application number | Description | Published |
|---|---|---|
| 20090252095 | Cognitive radio system and method - A cognitive radio system and method for clear and idle channel survey in Wireless Local Area Network (WLAN) are disclosed. Through computing average value of Received-Signal-Strength-Indicator (RSSI_AVG) in each channel, clear channels without interference from other RF devices can be distinguished in the present system and method. Based on an actual WLAN setup, a further AP has a larger possibility to be an idle and clear AP. In the present system and method, searching available channels from furthest AP to nearest AP therefore helps to reduce time of channel survey through repeated rises of signal strength threshold. | 10-08-2009 |
| 20100232365 | Cognitive radio system and method - A cognitive radio system and method for clear and idle channel survey in Wireless Local Area Network (WLAN) are disclosed. Through computing average value of Received-Signal-Strength-Indicator (RSSI_AVG) in each channel, clear channels without interference from other RF devices can be distinguished in the present system and method. Based on an actual WLAN setup, a further AP has a larger possibility to be an idle and clear AP. In the present system and method, searching available channels from furthest AP to nearest AP therefore helps to reduce time of channel survey through repeated rises of signal strength threshold. | 09-16-2010 |
Chien-Hsiang Chen, Hsinchu TW
| Patent application number | Description | Published |
|---|---|---|
| 20090046480 | BACKLIGHT MODULE AND DISPLAY USING THE SAME - A backlight module applied to a display and including a linear light source and a light guide plate (LGP) is provided. The LGP includes a light emitting surface, a bottom surface, a light incident surface, a first side surface, a second side surface and a microstructure. The bottom surface is opposite to the light emitting surface. The light incident surface is in contact with the light emitting surface and the bottom surface. The linear light source is disposed adjacent to the light incident surface. The first side surface is opposite to the light incident surface and in contact with the light emitting surface and the bottom surface. The second side surface is in contact with the light emitting surface, the bottom surface, the light incident surface and the first side surface. The microstructure is formed on the second side surface and adjacent to the light incident surface. | 02-19-2009 |
| 20090051852 | BACKLIGHT MODULE AND LIQUID CRYSTAL DISPLAY USING THE SAME - A backlight module including a light guide plate, a light source and a transparent elastomer is provided. The light guide plate has a first light emitting surface, a bottom surface opposite to the first light emitting surface and at least a light incident surface contacting the first light emitting surface and the bottom surface. The light source is disposed adjacent to the light incident surface and includes a circuit board and a plurality of light emitting diode devices. Each of the light emitting diode devices is capable of emitting light passing through the light incident surface. The light emitting diode devices are electrically connected to the circuit board. The transparent elastomer is disposed between the light incident surface and each of the light emitting diode devices. | 02-26-2009 |
| 20090109703 | Light guide plate and side-emitting backlight module having the same - A light guide plate and a side-emitting backlight module having the same are disclosed. The light guide plate includes a transparent substrate, a plurality of prisms and a plurality of condensing lenses. The prisms are arranged side by side on one surface of the transparent substrate. The condensing lenses are disposed between two adjacent prisms, and distributed from sparsely to densely along a direction of a crest line of each of the prisms. | 04-30-2009 |
| 20090116261 | Side-emitting backlight module - A side-emitting backlight module includes a light guide plate and a plurality of point light sources. The light guide plate has a light incident end face. The point light sources are arranged as a first row and a second row. Each of the point light sources has a light emitting face. The first row is disposed between the second row and the light guide plate. Each point light source of the first row is staggered with respect to each point light source of the second row, so that each light emitting face of the point light sources fronts the light incident end face of the light guide plate. | 05-07-2009 |
Chien-Hsiang Chen, Hsinchu Industrial Park TW
| Patent application number | Description | Published |
|---|---|---|
| 20090073683 | Light Guide Plate and Direct-Type Surface Light Source Device - A light guide plate includes a plurality of light guide units each including a light exit surface, a bottom surface, a first side surface and a second side surface. The first and the second side surfaces respectively include a first oblique surface and a second oblique surface. The first and the second oblique surfaces are opposite to each other and both adjoining the bottom surface. The first side surface of one of the each two adjacent light guide units is joined with the second side surface of the other one and thereby the light exit surfaces of the light guide units cooperatively form a substantially flat surface. The light guide units define a plurality of receiving cavities spaced apart from one another by the first and the second oblique surfaces thereof. In addition, a direct-type surface light source device using the light guide plate also is provided. | 03-19-2009 |
Chien-Hsiang Huang, Taipei Hsien TW
| Patent application number | Description | Published |
|---|---|---|
| 20080212250 | CIRCUIT FOR PREVENTING SURGE, CONNECTOR AND ELECTRONIC APPARATUS THEREOF - A surge protection circuit and a connector and an electronic apparatus using the circuit are provided. The connector includes a plurality of metal lines, a plurality of resistors, a ground metal, and a capacitor. Each metal line has a pointed end. There is a distance between the pointed end of the metal lines and a pointed end of the first end of each resistor corresponding to the metal line. The capacitor is coupled between the ground metal and second end of the resistors. Thus the surge endurance of product can be increased by the invention, and the damage to the internal components of product can be prevented. | 09-04-2008 |
Chien-Hsiang Liu, Taipei TW
| Patent application number | Description | Published |
|---|---|---|
| 20080316706 | Heat dissipation structure for electronic devices - The present invention discloses a heat-dissipation structure for electronic devices, which comprises: a housing having an accommodation space accommodating at least one heat-generating element; a heat conductor arranged in the accommodation space and contacting the heat-generating element; and an electric fan arranged outside the housing. The housing has an opening corresponding to the heat conductor, and the heat conductor extends through the opening and projects from the housing. The electric fan drives an air current to flow through the part of the heat conductor extending through the opening to promote heat-dissipation efficiency. | 12-25-2008 |