Patents Assigned to Compal Electronics, Inc.
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Patent number: 8023255Abstract: A display device is provided. The display device is adapted for a notebook computer. The display device includes a display panel, a bezel, a back shell, and a reinforced glass plate. The bezel includes a receiving recess and an opening. The display panel is disposed in the receiving recess. The bezel exposes a part of the display panel from the opening. The back shell is assembled with the bezel. The back shell and the bezel cooperatively define an accommodating space. The display panel is accommodated in the accommodating space. The reinforced glass plate is assembled to the bezel for covering the part of the display panel exposed by the opening of the bezel.Type: GrantFiled: March 31, 2009Date of Patent: September 20, 2011Assignee: Compal Electronics, Inc.Inventors: Tzu-Hao Lu, Kang-Yeh Yu, His-Ming Cheng
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Patent number: 8021022Abstract: A lighting structure adapted to be disposed at an electronic apparatus is provided. The lighting structure includes a lighting module, a first elastic element, a latch, and a second elastic element. The lighting module has a light source and a stopper element. The first elastic element is connected to the lighting module. The latch has an interfering portion for blocking the stopper element and is capable of sliding in the electronic apparatus. The second elastic element is connected to the latch. When the latch is subjected to an external force and slides to deform the second elastic element, the stopper element disengages from the interfering portion, and the first elastic element rotates the lighting module, such that the lighting module is at a different position, and the light source is used to illuminate part of the electronic apparatus.Type: GrantFiled: July 10, 2008Date of Patent: September 20, 2011Assignee: Compal Electronics, Inc.Inventors: Kuo-Nan Ling, Wen-Wei Yang, Chih-Lung Hung, Wen-Chuan Su
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Patent number: 8022670Abstract: A method for charging a battery module including a plurality of parallel-connected battery core sets is provided. In the present method, a constant charging current is provided for charging the battery module first. Then, the voltage of each parallel-connected battery core set in the battery module is determined whether reaches a nominal voltage. If it reaches the nominal voltage, the charging current or charging voltage applied to the battery module is adjusted for charging the parallel-connected battery core set having the maximum voltage with a constant voltage. Finally, it is determined whether the electric power of the battery module is fulfilled. If not yet fulfilled, a constant voltage is continuously supplied to the battery module for charging until the electric power of the battery module is full. Accordingly, the present invention can charge the battery more quickly with taking the safety of the battery into account.Type: GrantFiled: July 31, 2007Date of Patent: September 20, 2011Assignee: Compal Electronics, Inc.Inventors: Chia-Chang Chen, Chih-Tarng Chuang
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Patent number: 8014149Abstract: A fan module is disposed in an electrical device. The electrical device has a main board and a casing. The fan module includes a vane module, a fan motor, a circuit board and a fan housing. The vane module has a hub and a plurality of vanes disposed around the edge of the hub. The fan motor is disposed in the hub. The circuit board is used to control the fan motor, so that the vanes rotate related to an axis of the hub for generating an air flow. The fan housing has a main body portion, a protruding portion and a fixing portion, wherein the protruding portion is located in a side of the main body portion, the vane module and the fan motor are disposed in the main body portion and the circuit board is disposed in the protruding portion.Type: GrantFiled: January 19, 2010Date of Patent: September 6, 2011Assignee: Compal Electronics, Inc.Inventors: Ifeng Hsu, Jenq-Haur Pan, Chang-Yuan Wu
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Patent number: 7986798Abstract: A signal generating module for an electronic apparatus is provided. The signal generating module includes a processor, a roller, a resistant film, a conducting member, a first lead and a second lead. The roller has a rotary center and is rotably connected to the electronic apparatus thereby. The conducting member is connected to the rotary center to rotate together with the roller. The conducting member has an end including a conducting contact point. The conducting contact point is configured to rotate around the rotary center along a motion path accompanying the rotation of the roller, wherein the motion path is disposed at a first area of the resistant film. The first lead is coupled to the processor and in contact with the resistant film. The second lead is coupled to the processor, and coupled to the conducting member via the rotary center.Type: GrantFiled: March 15, 2007Date of Patent: July 26, 2011Assignee: Compal Electronics, Inc.Inventor: Ti-Ming Hsu
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Patent number: 7979606Abstract: A method for storing data is disclosed. The method is used for storing data into a program memory used for storing program codes. The program memory is divided into a first buffer storage area and a second buffer storage area. By alternate accessing of the first buffer storage area and the second buffer storage area, instantly accessible data can be stored in the program memory, such that the conventional data memory can be replaced by the program memory of the present invention and the cost of the product can be reduced.Type: GrantFiled: March 4, 2008Date of Patent: July 12, 2011Assignee: Compal Electronics, Inc.Inventors: Ming-Feng Liu, Chun-De Lin
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Patent number: 7961916Abstract: The present invention provides an identification method. A video capture device captures an identification video at a random time. Then a suitable identification image is obtained from the identification video. Subsequently, a current user characteristic value obtained from the identification image is compared with a stored user characteristic value of a user data stored in a recognition database. When the current user characteristic value corresponds to the stored user characteristic value, then returns to capture the identification video step. When the current user characteristic value does not corresponds to the stored user characteristic value, then an error counter is incremented, and returns to the acquiring the identification video step.Type: GrantFiled: June 4, 2007Date of Patent: June 14, 2011Assignee: Compal Electronics, Inc.Inventors: Jen-Li Wang, Chien-Ming Lee
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Patent number: 7939165Abstract: A protective film comprises a substrate and a semi-cured protective layer over the substrate. The semi-cured protective layer is formed by curing a liquid mixture consisting of a thermosetting resin and a radiation curing resin.Type: GrantFiled: March 3, 2008Date of Patent: May 10, 2011Assignee: Compal Electronics, Inc.Inventors: Ru-Jen Chiu, Chen-Hua Liu, Bar-Long Denq, Hung-Jen Chen
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Patent number: 7933118Abstract: An expansion unit detachably assembled to an electronic device is provided. The electronic device has a device connector on one side thereof. The expansion unit for the electronic device includes a base, a pivoting mechanism, and an expansion unit connector. The pivoting mechanism is located on one side of the base, and includes a shaft and a bearing fitting therewith. The expansion unit connector is disposed in the shaft and rotated along with the shaft in the bearing, and is detachably and electrically connected to the device connector. When the expansion unit connector is connected to the device connector, the position of the electronic device relative to the base may be adjusted by the pivoting mechanism.Type: GrantFiled: August 14, 2008Date of Patent: April 26, 2011Assignee: Compal Electronics Inc.Inventors: Chih-Chung Chiu, Huang-Lin Lee
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Patent number: 7929773Abstract: A method for recognizing characters is provided. All the characters to be recognized are categorized into a plurality of character categories according to the relative positions of the characters in the typographical lines before the characters are recognized. When recognizing the characters, a character is compared with only those characters in the corresponding character category of the character in the character database. Therefore, the range and number of characters to be compared are reduced, and the accuracy and speed for recognizing characters are improved.Type: GrantFiled: June 27, 2007Date of Patent: April 19, 2011Assignee: Compal Electronics, Inc.Inventors: Wen-Hann Tsai, Sheng-Ann Fann
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Patent number: 7929772Abstract: A method for generating typographical line is provided. In the present method, an asymptote of an upper or a lower edge of a line of printing words is obtained first. Then, two typographical lines of the other edge of the line of printing words are obtained according to the asymptote. Two typographical lines of the present edge of the line of printing words are obtained based on the previously obtained typographical lines. Finally, the relations of these typographical lines and edge reference points of the line of printing words are used for removing useless typographical lines. Therefore, the typographical lines obtained by the present invention can provide the means of recognizing word direction, large or small character writing, and punctuation marks, so as to increase the efficiency and accuracy of character recognition.Type: GrantFiled: June 27, 2007Date of Patent: April 19, 2011Assignee: Compal Electronics Inc.Inventors: Wen-Hann Tsai, Hsin-Te Lue
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Patent number: 7924559Abstract: A docking station including a housing, a sliding block, a pulling element, a first elastic element, a raising cover, a plurality of first and second hooks, and a linkage is provided. The housing has a first, a second and a third constraining structures, and the sliding block is disposed in the first constraining structure. The pulling element is pivoted on the housing, wherein a pulling portion thereof is exposed out of the housing and a pushing portion thereof contacts the sliding block. The first elastic element is connected between the housing and the sliding block. The first hooks are disposed on the raising cover and driven by the sliding block. The linkage is disposed in the second constraining structure of the housing, wherein a first end thereof is connected to the sliding block. The second hooks are driven by a second end of the linkage.Type: GrantFiled: March 12, 2009Date of Patent: April 12, 2011Assignee: Compal Electronics, Inc.Inventor: Sun-Yuan Kuo
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Patent number: 7888946Abstract: A portable electronic device with projection function including a host, a projection module, a signal line, a first adjusting leg and a second adjusting leg is provided. The host has a chamber at its side. The projection module is for outputting an image light beam. The projection module is connected to the host through the signal line. The first adjusting leg is pivoted to the projection module. The second adjusting leg is pivoted to the projection module, wherein the first adjusting leg and the second adjusting leg can be stored into the chamber with the projection module after pivoting.Type: GrantFiled: November 10, 2008Date of Patent: February 15, 2011Assignee: Compal Electronics, Inc.Inventors: Kuo-Kuei Hsu, Ching-Fu Yang, Yan-Shan Wang
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Patent number: 7885061Abstract: A portable electronic device with a projection function includes a host, a display unit, a bracket, and a projection module. The display unit is pivoted to the host and has a back cover. The bracket is pivoted to the back cover. The projection module is pivoted to the bracket for outputting an image light beam along a projection direction. A pivot angle formed by the projection direction and the back cover can be adjusted by the pivot of the bracket relative to the back cover, and an elevation angle formed by the projection direction and the back cover can be adjusted by the pivot of the projection module relative to the bracket.Type: GrantFiled: November 12, 2008Date of Patent: February 8, 2011Assignee: Compal Electronics, Inc.Inventor: Ching-Fu Yang
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Patent number: 7876963Abstract: A symbol recognition method for increasing the symbol recognition speed by the processor includes the steps of obtaining a pixel density value and an aspect ratio of the symbol image. Then, the center-point value and the corresponding radius value are obtained by a partitional clustering algorithm. In sequence, a pixel density value and the aspect ratio of the under recognized image are obtained, and compared with the values of the symbol image to determine whether the under recognized image is a single symbol image or not.Type: GrantFiled: August 29, 2007Date of Patent: January 25, 2011Assignee: Compal Electronics, Inc.Inventors: Ming-Hung Lin, Chih-Wei Lin
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Patent number: 7869205Abstract: A data processing device including a first housing, a second housing, and a bracket is provided. The bracket is disposed between the first housing and the second housing. The bracket has a body and a plurality of supporting ends. The body has a bearing surface and a supporting surface. The bearing surface faces the first housing, and does not contact the first housing. The supporting surface faces the second housing, and does not contact the second housing. The supporting ends are disposed around the body and contact the first housing to support the body. A first distance between the supporting surface relatively away from the supporting ends and the second housing is larger than a second distance between the supporting surface relatively close to the supporting ends and the second housing.Type: GrantFiled: November 18, 2008Date of Patent: January 11, 2011Assignee: Compal Electronics, Inc.Inventor: Te-Sen Chin
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Patent number: 7856108Abstract: The present invention relates to a method for preventing an output device from being damaged, which comprises the steps of: dividing the output value of an output device into a plurality of areas, defining a ratio value to every area, receiving a desired output value, determining the current area where the desired output value device is located, and calculating the desired output value with the ratio value to obtain an actual output volume and output the actual output volume.Type: GrantFiled: December 7, 2005Date of Patent: December 21, 2010Assignee: Compal Electronics, Inc.Inventors: Yi-Wei Chiu, Cheng-I Chien
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Patent number: 7793116Abstract: A power supply system with a remote control circuit and a power supply system operation method are provided. The power supply system uses a remote control power supply device and a battery to provide a system with power, while the remote control circuit includes a first-resistor, a first-operational amplifier, a second-operational amplifier and a selection circuit. The first-resistor herein is coupled between the remote control power supply device and the battery. The first-operational amplifier detects the current passing through the first resistor so as to output a first control signal. The second-operational amplifier detects the battery voltage so as to output a second control signal. The selection circuit outputs one of the first control signal and the second control signal with a lower voltage and the output signal is served as a remote control signal to adjust the voltage of the remote control power supply device.Type: GrantFiled: November 17, 2006Date of Patent: September 7, 2010Assignee: Compal Electronics, Inc.Inventors: Chih-Tarng Chuang, Shih-Chin Lu
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Patent number: D639296Type: GrantFiled: September 20, 2010Date of Patent: June 7, 2011Assignee: Compal Electronics Inc.Inventors: Ya-Hui Tseng, Chia-An Chen, Hong-Tien Wang, Fan-Yi Chan, Yueh-Han Wu
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Patent number: D640253Type: GrantFiled: April 12, 2010Date of Patent: June 21, 2011Assignee: Compal Electronics, Inc.Inventor: Yu-Chieh Sung