Patents by Inventor Wen Chun Tsao
Wen Chun Tsao 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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Patent number: 10701074Abstract: An Internet-of-Things (IoT) reading device, a method of secure access using the same, and a control center apparatus are provided. The Internet-of-Things reading device includes a network interface and a processor. The network interface is configured to communicate with an Internet-of-Things device located in a communication range. The processor actively obtains, by using the network interface, a device identification code from the Internet-of-Things device, and determines whether the Internet-of-Things device is an approved device according to the device identification code. The processor transmits the device identification code to a control center apparatus to obtain an authentication password while the Internet-of-Things device is identified as the approved device, and transmits the authentication password to the Internet-of-Things device to perform an authentication process by the Internet-of-Things device.Type: GrantFiled: March 30, 2017Date of Patent: June 30, 2020Assignee: Wistron CorporationInventors: Wen-Chun Tsao, Yao-Tsung Chang
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Patent number: 10164460Abstract: A wireless charging device, a wireless charging case and a wireless charging method thereof are provided. The wireless charging device includes a wireless signal transmitter, a controller and a temperature sensor. The wireless signal transmitter is configured to transmit an electromagnetic signal. The controller is coupled to the wireless signal transmitter. The temperature sensor is coupled to the controller. The temperature sensor is configured to detect an ambient temperature to obtain a temperature sensing value. The controller controls the wireless signal transmitter to adjust a frequency or a transmitting position of the electromagnetic signal according to the changing state of the temperature sensing value.Type: GrantFiled: December 10, 2015Date of Patent: December 25, 2018Assignee: Wistron CorporationInventor: Wen-Chun Tsao
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Publication number: 20180191719Abstract: An Internet-of-Things (IoT) reading device, a method of secure access using the same, and a control center apparatus are provided. The Internet-of-Things reading device includes a network interface and a processor. The network interface is configured to communicate with an Internet-of-Things device located in a communication range. The processor actively obtains, by using the network interface, a device identification code from the Internet-of-Things device, and determines whether the Internet-of-Things device is an approved device according to the device identification code. The processor transmits the device identification code to a control center apparatus to obtain an authentication password while the Internet-of-Things device is identified as the approved device, and transmits the authentication password to the Internet-of-Things device to perform an authentication process by the Internet-of-Things device.Type: ApplicationFiled: March 30, 2017Publication date: July 5, 2018Applicant: Wistron CorporationInventors: Wen-Chun Tsao, Yao-Tsung Chang
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Patent number: 9772699Abstract: The present invention discloses a touch control system for a computer system with high compatibility. The touch control system includes an touch sensing device for detecting a touch event to generate a plurality of sensed signals conformed to a first format, and an embedded controller coupled to the touch sensing device for determining a user instruction according to the plurality of sensed signals and generating a plurality of control signals conformed to a second format to the computer system. An internal driving program in the computer system can only identify signals conformed to the second format.Type: GrantFiled: May 7, 2010Date of Patent: September 26, 2017Assignee: Wistron CorporationInventors: Chung-Chia Chen, Wen-Chun Tsao
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Publication number: 20170085116Abstract: A wireless charging device, a wireless charging case and a wireless charging method thereof are provided. The wireless charging device includes a wireless signal transmitter, a controller and a temperature sensor. The wireless signal transmitter is configured to transmit an electromagnetic signal. The controller is coupled to the wireless signal transmitter. The temperature sensor is coupled to the controller. The temperature sensor is configured to detect an ambient temperature to obtain a temperature sensing value. The controller controls the wireless signal transmitter to adjust a frequency or a transmitting position of the electromagnetic signal according to the changing state of the temperature sensing value.Type: ApplicationFiled: December 10, 2015Publication date: March 23, 2017Inventor: Wen-Chun Tsao
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Patent number: 9477293Abstract: An embedded controller for power-saving and a method thereof are provided. The embedded controller is used for executing a plurality of tasks and includes a timer module and a control unit. The timer module includes a plurality of timers, and each of timers is corresponding to one of the tasks respectively. The control unit is coupled to the timer module and respectively sets a wake-up period according to each task. When the wake-up period of each timer is expired, each timer respectively generates a wake-up signal to the control unit. The control unit controls the embedded controller to transfer to an active model from an idle model according to the wake-up signals respectively. After executing the tasks corresponding to the wake-up signals respectively, the control unit controls the embedded controller to transfer to the idle model from the active model.Type: GrantFiled: February 13, 2014Date of Patent: October 25, 2016Assignee: Wistron CorporationInventor: Wen-Chun Tsao
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Patent number: 9194931Abstract: The present invention proposes a length measurement method and a length measurement device. The length measurement method includes steps of emitting the laser via a laser ranging module in a reference direction to order to detect a reference distance between a reference point on a target and the laser ranging module, taking the reference direction as a the measurement direction, taking the reference distance as a first distance, executing a border detecting procedure according to the measurement direction and the first distance in order to detect a border of the target, and calculating measurement distance between the border and the reference point according to border location information of the laser ranging module corresponding to the border, the reference direction and the reference distance.Type: GrantFiled: April 23, 2014Date of Patent: November 24, 2015Assignee: WISTRON CORP.Inventors: Wen-Chun Tsao, Yao-Tsung Chang, Chia-Hsien Li
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Publication number: 20150153158Abstract: The present invention proposes a length measurement method and a length measurement device. The length measurement method includes steps of emitting the laser via a laser ranging module in a reference direction to order to detect a reference distance between a reference point on a target and the laser ranging module, taking the reference direction as a the measurement direction, taking the reference distance as a first distance, executing a border detecting procedure according to the measurement direction and the first distance in order to detect a border of the target, and calculating measurement distance between the border and the reference point according to border location information of the laser ranging module corresponding to the border, the reference direction and the reference distance.Type: ApplicationFiled: April 23, 2014Publication date: June 4, 2015Applicant: Wistron Corp.Inventors: Wen-Chun TSAO, Yao-Tsung CHANG, Chia-Hsien LI
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Patent number: 9027012Abstract: A firmware burning method applied in a target device, which includes a storage unit, a target circuit, and a peripheral controller, connected to the storage circuit via a first communication link, is provided. The method include steps of: providing a test fixture having a first node, a second node, and a switch circuit connected across the first and second nodes, the first and second nodes being respectively coupled to the storage circuit and the target circuit; determining whether firmware of the target circuit satisfies a condition; if not, providing a second communication link between the target circuit and the storage circuit via the first and second nodes by turning on the switch circuit, and switching the peripheral controller to a disabled state; and updating the firmware of the target circuit according to to-be-burned firmware stored in the storage circuit via the second communication link.Type: GrantFiled: April 11, 2012Date of Patent: May 5, 2015Assignee: Wistron CorporationInventors: Wen-Chun Tsao, Shih-Yuan Wang
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Publication number: 20140359326Abstract: An embedded controller for power-saving and a method thereof are provided. The embedded controller is used for executing a plurality of tasks and includes a timer module and a control unit. The timer module includes a plurality of timers, and each of timers is corresponding to one of the tasks respectively. The control unit is coupled to the timer module and respectively sets a wake-up period according to each task. When the wake-up period of each timer is expired, each timer respectively generates a wake-up signal to the control unit. The control unit controls the embedded controller to transfer to an active model from an idle model according to the wake-up signals respectively. After executing the tasks corresponding to the wake-up signals respectively, the control unit controls the embedded controller to transfer to the idle model from the active model.Type: ApplicationFiled: February 13, 2014Publication date: December 4, 2014Applicant: Wistron CorporationInventor: Wen-Chun Tsao
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Publication number: 20130166955Abstract: A keyboard automatic test method is provided. A keyboard test unit first outputs a key test command to a keyboard controller. The key test command represents a trigger element of a keyboard is triggered. The keyboard controller generates a corresponding code corresponding to the trigger element. The keyboard test unit then determines whether a relationship between the corresponding code and the trigger element is correct.Type: ApplicationFiled: April 16, 2012Publication date: June 27, 2013Applicant: Wistron CorporationInventors: Wen-Chun Tsao, Yu-Wei Tsao
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Publication number: 20130159986Abstract: A firmware burning method applied in a target device, which includes a storage unit, a target circuit, and a peripheral controller, connected to the storage circuit via a first communication link, is provided. The method include steps of: providing a test fixture having a first node, a second node, and a switch circuit connected across the first and second nodes, the first and second nodes being respectively coupled to the storage circuit and the target circuit; determining whether firmware of the target circuit satisfies a condition; if not, providing a second communication link between the target circuit and the storage circuit via the first and second nodes by turning on the switch circuit, and switching the peripheral controller to a disabled state; and updating the firmware of the target circuit according to to-be-burned firmware stored in the storage circuit via the second communication link.Type: ApplicationFiled: April 11, 2012Publication date: June 20, 2013Applicant: WISTRON CORPORATIONInventors: Wen-Chun Tsao, Shih-Yuan Wang
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Patent number: 8233273Abstract: An electronic device is provided, including a processing unit and a G-sensor electrically connected thereto. The G-sensor detects the posture of the electronic device and outputs a measurement signal to the processing unit accordingly. The processing unit produces a thermal control signal according to the measurement signal, so as to reduce heat generated from the electronic device or increase cooling efficiency of the electronic device.Type: GrantFiled: October 16, 2009Date of Patent: July 31, 2012Assignee: Wistron Corp.Inventors: Ming-Chih Chen, Yung-Li Jang, Hsien-Yung Wang, Wen-Chun Tsao
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Publication number: 20110307731Abstract: A method capable of preventing erroneous data writing for a computer system is disclosed. The computer system includes a storage unit for storing digital data, and a processing unit for accessing the digital data stored in the storing unit, the method includes the steps of detecting power supplying status of a supplied power for the computer system, and the processing unit stops accessing the digital data stored in the storage unit after detecting the supply of the supplied power has been suspended.Type: ApplicationFiled: April 28, 2011Publication date: December 15, 2011Inventor: Wen-Chun Tsao
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Patent number: 8074000Abstract: A key processing method for use in a computer system having at least one BIOS (basic input output system) and one controller is disclosed. The method comprises the following steps. After a predetermined time period, it is first determined whether a specific hotkey has been pressed. If so, the BIOS acquires identification data of the specific hotkey from the controller and performs a corresponding service.Type: GrantFiled: January 12, 2009Date of Patent: December 6, 2011Assignee: Wistron Corp.Inventor: Wen Chun Tsao
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Publication number: 20110175825Abstract: The present invention discloses a touch control system for a computer system with high compatibility. The touch control system includes an touch sensing device for detecting a touch event to generate a plurality of sensed signals conformed to a first format, and an embedded controller coupled to the touch sensing device for determining a user instruction according to the plurality of sensed signals and generating a plurality of control signals conformed to a second format to the computer system. An internal driving program in the computer system can only identify signals conformed to the second format.Type: ApplicationFiled: May 7, 2010Publication date: July 21, 2011Inventors: Chung-Chia Chen, Wen-Chun Tsao
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Publication number: 20110093741Abstract: A method for recovering basic input/output system (BIOS) in a computer system is disclosed. The computer system includes a host unit, a control unit, and a first storage device. The control unit is utilized for controlling system power provided for the host unit. The host unit is utilized for accessing a BIOS code stored in the first storage device to perform a boot process. The method includes turning the system power off when the computer system has a recovery requirement, restoring a backup BIOS code into the first storage device, and turning the system power on to make the host unit access the restored BIOS code in the first storage device for performing the boot process.Type: ApplicationFiled: April 20, 2010Publication date: April 21, 2011Inventors: Te-Yu Liang, Cheng-Te Chen, Wen-Chun Tsao, Szu-Wei Pan
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Publication number: 20100259889Abstract: An electronic device is provided, including a processing unit and a G-sensor electrically connected thereto. The G-sensor detects the posture of the electronic device and outputs a measurement signal to the processing unit accordingly. The processing unit produces a thermal control signal according to the measurement signal, so as to reduce heat generated from the electronic device or increase cooling efficiency of the electronic device.Type: ApplicationFiled: October 16, 2009Publication date: October 14, 2010Applicant: WISTRON CORP.Inventors: Ming-Chih Chen, Yung-Li Jang, Hsien-Yung Wang, Wen-Chun Tsao
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Publication number: 20100166194Abstract: In the specification and drawing an apparatus for processing audio is described and shown with an audio processor for acquiring at least one audio signal from an audio chip and transforming the audio signal into a surround sound signal and a transmitter for emitting the surround sound signal to a radio set. Moreover, a method for processing audio is also disclosed in the specification and drawing.Type: ApplicationFiled: September 30, 2009Publication date: July 1, 2010Applicant: WISTRON CORP.Inventors: Wen-Chun TSAO, Fang-Yuan CHIU, Kuo-Jung WANG, Chun-Chieh CHEN, Kuo-Hsing WANG, Chia-Hsien LI
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Publication number: 20100049882Abstract: A key processing method for use in a computer system having at least one BIOS (basic input output system) and one controller is disclosed. The method comprises the following steps. After a predetermined time period, it is first determined whether a specific hotkey has been pressed. If so, the BIOS acquires identification data of the specific hotkey from the controller and performs a corresponding service.Type: ApplicationFiled: January 12, 2009Publication date: February 25, 2010Applicant: WISTRON CORP.Inventor: Wen Chun Tsao