Patents by Inventor Chee-Chun Leung
Chee-Chun Leung has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20140062890Abstract: A keyboard device includes an operation surface. One long side of the operation surface is referred to as a proximal side, which nears a user operating the keyboard device; and the other long side is referred to as a distal side. A key unit is positioned on the proximal side, wherein the key unit includes a plurality of keys. A camera module is positioned on the distal side. An angle between a border of a field of view of the light sensor and the operation surface is set at a particular angle thus user's hand lays outside the field of view of the light sensor when the user is manipulating the key unit.Type: ApplicationFiled: July 22, 2013Publication date: March 6, 2014Applicant: Quanta Computer Inc.Inventors: Chee-Chun Leung, Yun-Cheng Liu, Chien-Hung Lin
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Publication number: 20130241882Abstract: The invention provides an optical touch system for detecting a position of a touch object on a touch area, including an active light source for lightening the touch area, a camera having two lenses and an image sensor to capture two images of the touch object on the image sensor through the two lens, and a processor for calculating the position of the touch object according to the two images of the touch object on the image sensor.Type: ApplicationFiled: September 10, 2012Publication date: September 19, 2013Applicant: QUANTA COMPUTER INC.Inventors: Chee-Chun Leung, Yun-Cheng Liu, Chien-Hung Lin
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Publication number: 20130241883Abstract: The invention provides an optical touch system, including a camera having a lens and an image sensor to capture an image of a touch object on the image sensor through the lens, an active light source for lighting the touch object, and a processor for determining the distance between the touch object and the camera according to the size of the image or the brightness of the image on the image sensor, determining the direction of the touch object according to the position of the image on the image sensor, and calculating the position of the touch objectType: ApplicationFiled: February 11, 2013Publication date: September 19, 2013Applicant: QUANTA COMPUTER INC.Inventors: Chee-Chun Leung, Yun-Cheng Liu, Chien-Hung Lin
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Patent number: 8368652Abstract: The invention provides an optical touch device, including a main body, a keyboard and a light emitting member. The keyboard, placed on the main body and having a first end portion and a second end portion, includes a supporting frame, a keycap and a stopping member. The keycap is connected to the supporting frame and moves between a first position and a second position. The stopping member is connected to the keycap and moves simultaneously with the keycap. The light emitting member generates a light beam to the keyboard. When the keycap is in the first position, the light beam passes through the first end portion to the second end portion, and when the keycap is in the second position, the light beam is terminated by the stopping member, such that the light does not reach the second end portion.Type: GrantFiled: July 30, 2009Date of Patent: February 5, 2013Assignee: Quanta Computer Inc.Inventors: Chien-Ta Lin, Wen-Ji Tsai, Jung-Wen Chang, Chee-Chun Leung
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Patent number: 8363014Abstract: A wireless keyboard base includes a base, a wireless keyboard and a plurality of magnets. The base has a groove to accommodate an edge of an electronic device. The wireless keyboard is disposed on the base and has a wireless communication module to exchange information data with the electronic device. The plurality of magnets are disposed within the groove to magnetically attract the edge of the electronic device.Type: GrantFiled: March 6, 2009Date of Patent: January 29, 2013Assignee: Quanta Computer Inc.Inventors: Chee-Chun Leung, Yuan-Chen Liang, Gwo-Chyuan Chen, Shyh-Wei Lee
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Patent number: 8352879Abstract: A method for swapping display contents between a first and a second screen. The first screen is a primary screen. A window is displayed on one of the first and the second screen. The method includes: calculating a window movement distance according to a relative position between the first and the second screen; performing swapping to set the second screen as the primary screen; obtaining a coordinate of the window after swapping; obtaining a first coordinate by adding the window movement distance to the coordinate of the window after swapping if the window is located in the first screen before swapping; obtaining a second coordinate by subtracting the window movement distance from the coordinate of the window after swapping if the window is located in the second screen before swapping; moving the window from one of the first and the second screen to the other.Type: GrantFiled: December 3, 2010Date of Patent: January 8, 2013Assignee: Quanta Computer Inc.Inventors: Chee-Chun Leung, Ming-Chuan Hu, Han-Hsing Ying, Chun-Ming Hu, Li-Da Chen
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Patent number: 8149215Abstract: The invention discloses a cursor control method applied to a presentation system. The presentation system comprises a computer, an imaging plane, an optical pointer, a camera, and a projector. The projector is a mobile or built-in projector of the computer for projecting output from the computer onto the imaging plane, wherein the output of the computer comprises an internal cursor generated by the computer. The optical pointer is used for projecting an external cursor onto the imaging plane. The camera is a mobile or built-in camera of the computer for capturing an image of the imaging plane. After capturing the image, a processor of the computer detects both a first position of the external cursor and a second position of the internal cursor corresponding to the image, calculates a shift vector between the first and second positions, and moves the internal cursor based on the shift vector.Type: GrantFiled: November 27, 2007Date of Patent: April 3, 2012Assignee: Quanta Computer Inc.Inventors: Chee-Chun Leung, Yun-Cheng Liu, Ching-Chun Chiang, Maw-Lin Hsu
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Patent number: 8142096Abstract: A computer-contained binder provided in the disclosure has a document binder and a computer device. The document binder having at least one cover plate and plural parallel folder rings piercing through an edge of the cover plate. The computer device has a main body, a column-shaped battery portion pierced through by all of the parallel folder rings, and a movable arm. The movable arm has two opposite ends, in which one end thereof is fixed on one of the opposite ends of the column-shaped battery portion, and the other end thereof is movably disposed on one side of the main body.Type: GrantFiled: October 13, 2009Date of Patent: March 27, 2012Assignee: Quanta Computer Inc.Inventors: Chee-Chun Leung, Yuan-Chen Liang, Chia-Hui Wu, Yi-Chun Lin
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Patent number: 8137020Abstract: A computer-contained binder provided in the disclosure has a document binder and a computer device. The document binder having at least one cover and plural parallel folder rings piercing through an edge of the cover. The computer device has a main body, a column-shaped battery portion pierced through by all of the parallel folder rings, and two shafts. Each shaft respectively pivots the column-shaped battery portion and the main body at two opposite end of the shaft.Type: GrantFiled: October 13, 2009Date of Patent: March 20, 2012Assignee: Quanta Computer Inc.Inventors: Chee-Chun Leung, Yuan-Chen Liang, Chia-Hui Wu, Yi-Chun Lin
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Patent number: 8125511Abstract: The invention provides a three-party video conference system and method. The three-party video conference system, according to the invention, uses a second terminal apparatus, which can transmit data in different protocols for receiving and transmitting the compressed digital signals transmitted from a first terminal apparatus and a third terminal apparatus. Therefore, even though the first terminal apparatus and the third terminal apparatus can not transmit compressed digital signals to each other with the same protocol, the user still can achieve three-party video conferencing communication with the three-party video conference system.Type: GrantFiled: January 8, 2008Date of Patent: February 28, 2012Assignee: Quanta Computer Inc.Inventors: Barry Lam, Chee-Chun Leung, Chia-Yuan Chang, Hsueh-Cheng Hsu
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Publication number: 20110296343Abstract: A method for swapping display contents between a first and a second screen. The first screen is a primary screen. A window is displayed on one of the first and the second screen. The method includes: calculating a window movement distance according to a relative position between the first and the second screen; performing swapping to set the second screen as the primary screen; obtaining a coordinate of the window after swapping; obtaining a first coordinate by adding the window movement distance to the coordinate of the window after swapping if the window is located in the first screen before swapping; obtaining a second coordinate by subtracting the window movement distance from the coordinate of the window after swapping if the window is located in the second screen before swapping; moving the window from one of the first and the second screen to the other.Type: ApplicationFiled: December 3, 2010Publication date: December 1, 2011Applicant: Quanta Computer Inc.Inventors: Chee-Chun Leung, Ming-Chuan Hu, Han-Hsing Ying, Chun-Ming Hu, Li-Da Chen
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Publication number: 20110258564Abstract: A method for automatically relocating and displaying multiple files includes following steps. A first file is opened. When the first file is opened, whether there exists a second file opened and displayed on a first display is detected. If there exists a second file opened and displayed on a first display, the second file is moved and displayed on a second display, and the first file is displayed on the first display.Type: ApplicationFiled: November 4, 2010Publication date: October 20, 2011Applicant: Quanta Computer Inc.Inventors: Chee-Chun LEUNG, Ming-Chuan Hu, Tai-Ta Chou
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Publication number: 20100310303Abstract: A computer-contained binder provided in the disclosure has a document binder and a computer device. The document binder having at least one cover and plural parallel folder rings piercing through an edge of the cover. The computer device has a main body, a column-shaped battery portion pierced through by all of the parallel folder rings, and two shafts. Each shaft respectively pivots the column-shaped battery portion and the main body at two opposite end of the shaft.Type: ApplicationFiled: October 13, 2009Publication date: December 9, 2010Applicant: Quanta Computer Inc.Inventors: Chee-Chun Leung, Yuan-Chen Liang, Chia-Hui Wu, Yi-Chun Lin
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Publication number: 20100310302Abstract: A computer-contained binder provided in the disclosure has a document binder and a computer device. The document binder having at least one cover plate and plural parallel folder rings piercing through an edge of the cover plate. The computer device has a main body, a column-shaped battery portion pierced through by all of the parallel folder rings, and a movable arm. The movable arm has two opposite ends, in which one end thereof is fixed on one of the opposite ends of the column-shaped battery portion, and the other end thereof is movably disposed on one side of the main body.Type: ApplicationFiled: October 13, 2009Publication date: December 9, 2010Applicant: Quanta Computer Inc.Inventors: Chee-Chun Leung, Yuan-Chen Liang, Chia-Hui Wu, Yi-Chun Lin
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Publication number: 20100253634Abstract: The invention provides an optical touch device, including a main body, a keyboard and a light emitting member. The keyboard, placed on the main body and having a first end portion and a second end portion, includes a supporting frame, a keycap and a stopping member. The keycap is connected to the supporting frame and moves between a first position and a second position. The stopping member is connected to the keycap and moves simultaneously with the keycap. The light emitting member generates a light beam to the keyboard. When the keycap is in the first position, the light beam passes through the first end portion to the second end portion, and when the keycap is in the second position, the light beam is terminated by the stopping member, such that the light does not reach the second end portion.Type: ApplicationFiled: July 30, 2009Publication date: October 7, 2010Applicant: QUANTA COMPUTER INC.Inventors: Chien-Ta Lin, Wen-Ji Tsai, Jung-Wen Chang, Chee-Chun Leung
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Publication number: 20100123663Abstract: A wireless keyboard base includes a base, a wireless keyboard and a plurality of magnets. The base has a groove to accommodate an edge of an electronic device. The wireless keyboard is disposed on the base and has a wireless communication module to exchange information data with the electronic device. The plurality of magnets are disposed within the groove to magnetically attract the edge of the electronic device.Type: ApplicationFiled: March 6, 2009Publication date: May 20, 2010Applicant: Quanta Computer Inc.Inventors: Chee-Chun Leung, Yuan-Chen Liang, Gwo-Chyuan Chen, Shyh-Wei Lee
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Publication number: 20080309751Abstract: The invention provides a high-definition video conference system and method. The high-definition video conference system, according to the invention, uses an encoding module for compressing a plurality of usable digital signals under a high-definition compression standard into a plurality of compressed digital signals, and an instant-messaging application for transmitting the compressed digitals to a second terminal apparatus. The second terminal apparatus uses a decoding module for decompressing the plurality of compressed digital signals under the high-definition compression standard to obtain a plurality of image signals, and a displaying module for displaying the image signals. Therefore, the high-definition video conference system of the invention can achieve high-definition video conference applications even under limited hardware performance and network transmission bandwidth.Type: ApplicationFiled: November 21, 2007Publication date: December 18, 2008Inventors: Barry Lam, Chee-Chun Leung, Chia-Yuan Chang, Hsueh-Cheng Hsu
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Publication number: 20080309619Abstract: The invention discloses a cursor control method applied to a presentation system. The presentation system comprises a computer, an imaging plane, an optical pointer, a camera, and a projector. The projector is a mobile or built-in projector of the computer for projecting output from the computer onto the imaging plane, wherein the output of the computer comprises an internal cursor generated by the computer. The optical pointer is used for projecting an external cursor onto the imaging plane. The camera is a mobile or built-in camera of the computer for capturing an image of the imaging plane. After capturing the image, a processor of the computer detects both a first position of the external cursor and a second position of the internal cursor corresponding to the image, calculates a shift vector between the first and second positions, and moves the internal cursor based on the shift vector.Type: ApplicationFiled: November 27, 2007Publication date: December 18, 2008Inventors: Chee-Chun Leung, Yun-Cheng Liu, Ching-Chun Chiang, Maw-Lin Hsu
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Publication number: 20080309752Abstract: The invention provides a three-party video conference system and method. The three-party video conference system, according to the invention, uses a second terminal apparatus, which can transmit data in different protocols for receiving and transmitting the compressed digital signals transmitted from a first terminal apparatus and a third terminal apparatus. Therefore, even though the first terminal apparatus and the third terminal apparatus can not transmit compressed digital signals to each other with the same protocol, the user still can achieve three-party video conferencing communication with the three-party video conference system.Type: ApplicationFiled: January 8, 2008Publication date: December 18, 2008Inventors: Barry Lam, Chee-Chun Leung, Chia-Yuan Chang, Hsueh-Cheng Hsu
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Patent number: D350126Type: GrantFiled: January 19, 1993Date of Patent: August 30, 1994Assignee: Ouanta Computer Inc.Inventor: Chee-Chun Leung