Patents by Inventor Yuan-Jung Chang
Yuan-Jung Chang 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: 11874703Abstract: A mobile dock is provided. The mobile dock is configured to electrically coupled to a mobile device having a first identifier and an application, and includes a control unit, a memory unit and an I/O module. The memory unit is electrically coupled to the control unit and stores at least a second identifier and at least a configuration file. The I/O module includes an I/O unit, a mobile port and an I/O port, and the mobile port is configured to electrically coupled to the mobile device. When the mobile device is electrically coupled to the mobile dock, the control unit receives the first identifier and triggers the configuration file corresponding to the first identifier, and transmits the second identifier corresponding to the first identifier to the mobile device. The mobile device receives the second identifier and triggers the application.Type: GrantFiled: September 29, 2020Date of Patent: January 16, 2024Assignee: DEXIN CORPORATIONInventors: Ho Lung Lu, Hsiu Hsuan Lin, Yuan Jung Chang
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Patent number: 11599137Abstract: A joystick assembly applicable to a game controller includes a base, a shaft, a movement sensing device, a memory and a processor. The shaft is pivotally disposed at the base. The movement sensing device is disposed in the base and configured to sense the movement of the shaft relative to the base to generate a movement signal. The memory is disposed in the base and stores an identification number of the joystick assembly and pieces of calibration data. The processor is disposed in the base and configured to determine whether to output the movement signal according to the calibration data.Type: GrantFiled: May 5, 2022Date of Patent: March 7, 2023Assignee: DEXIN CORP.Inventors: Ho Lung Lu, Yuan-Jung Chang
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Patent number: 11510042Abstract: A game controller for a mobile device is provided. The game controller includes a control module, a first audio module, and a second audio module. The mobile device includes a first wireless communication module. The first audio module is wirelessly connected to an audio device. The second audio module is electrically connected to the mobile device, so as to control the mobile device to be wirelessly connected to the audio device. A pairing between the audio device and the first audio module and a pairing between the audio device and the first wireless communication module of the mobile device are performed before the audio device is used. The control module generates a control command according to a category of audio information of the mobile device, so as to output the audio information to the audio device through the first audio module or the second audio module.Type: GrantFiled: November 18, 2021Date of Patent: November 22, 2022Assignee: DEXIN CORPORATIONInventors: Ho-Lung Lu, Yuan-Jung Chang
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Publication number: 20220357761Abstract: A joystick assembly applicable to a game controller includes a base, a shaft, a movement sensing device, a memory and a processor. The shaft is pivotally disposed at the base. The movement sensing device is disposed in the base and configured to sense the movement of the shaft relative to the base to generate a movement signal. The memory is disposed in the base and stores an identification number of the joystick assembly and pieces of calibration data. The processor is disposed in the base and configured to determine whether to output the movement signal according to the calibration data.Type: ApplicationFiled: May 5, 2022Publication date: November 10, 2022Applicant: DEXIN CORP.Inventors: Ho Lung LU, Yuan-Jung CHANG
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Patent number: 11435837Abstract: A dual mode mouse device including a first mouse and a wireless signal transceiver is provided. When the first mouse is electrically connected to the wireless signal transceiver through a first wire, a first mouse control signal of the first mouse is transmitted to the wireless signal transceiver through the first wire. A USB signal processing module of the wireless signal transceiver converts the first mouse control signal into a USB communication protocol control signal that is provided to an electronic device. When the first mouse is not electrically connected to the wireless signal transceiver through the first wire, the first mouse control signal of the control module of the first mouse is transmitted to the wireless communication module of the wireless signal transceiver to control the electronic device through the first mouse communication module.Type: GrantFiled: August 27, 2020Date of Patent: September 6, 2022Assignees: DEXIN ELECTRONIC LTD., DEXIN CORPORATIONInventors: Ho-Lung Lu, Yuan-Jung Chang
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Publication number: 20220253176Abstract: The current disclosure provides a stylus module that includes a stylus and a touch panel. The stylus has a pen point structure, and the touch panel has a touch area and a display area. The touch area of the touch panel is configured to be in contact with the pen point structure of the stylus for receiving a touch signal from the stylus, and the display area of the touch panel is configured to display at least a status property of the stylus. The touch panel of the stylus module provided by the current disclosure may directly display the at least one status property of the stylus on the display area according to the touch signal received from the pen point structure of the stylus.Type: ApplicationFiled: July 29, 2021Publication date: August 11, 2022Applicant: DEXIN CORPORATIONInventors: Ho Lung LU, Yuan Jung CHANG
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Publication number: 20220201450Abstract: A game controller for a mobile device is provided. The game controller includes a control module, a first audio module, and a second audio module. The mobile device includes a first wireless communication module. The first audio module is wirelessly connected to an audio device. The second audio module is electrically connected to the mobile device, so as to control the mobile device to be wirelessly connected to the audio device. A pairing between the audio device and the first audio module and a pairing between the audio device and the first wireless communication module of the mobile device are performed before the audio device is used. The control module generates a control command according to a category of audio information of the mobile device, so as to output the audio information to the audio device through the first audio module or the second audio module.Type: ApplicationFiled: November 18, 2021Publication date: June 23, 2022Inventors: HO-LUNG LU, YUAN-JUNG CHANG
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Publication number: 20220066505Abstract: A mobile dock is provided. The mobile dock is configured to electrically coupled to a mobile device having a first identifier and an application, and includes a control unit, a memory unit and an I/O module. The memory unit is electrically coupled to the control unit and stores at least a second identifier and at least a configuration file. The I/O module includes an I/O unit, a mobile port and an I/O port, and the mobile port is configured to electrically coupled to the mobile device. When the mobile device is electrically coupled to the mobile dock, the control unit receives the first identifier and triggers the configuration file corresponding to the first identifier, and transmits the second identifier corresponding to the first identifier to the mobile device. The mobile device receives the second identifier and triggers the application.Type: ApplicationFiled: September 29, 2020Publication date: March 3, 2022Applicant: DEXIN CORPORATIONInventors: Ho Lung LU, Hsiu Hsuan LIN, Yuan Jung CHANG
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Patent number: 11251662Abstract: A charging board with an adjustable charging position and a charging method thereof are provided. The charging board includes a control circuit, an indicating circuit and a board body. The board body has a coil accommodating portion, and the coil accommodating portion has a transmitting coil. The transmitting coil can be adjusted in the coil accommodating portion. The control circuit detects the storage position of the transmitting coil, and controls the indicating circuit to output a corresponding indication signal according to the detection result. Thereby, the charging board can be used by a user to adjust the charging position.Type: GrantFiled: September 8, 2020Date of Patent: February 15, 2022Assignees: DEXIN ELECTRONIC LTD., DEXIN CORPORATIONInventors: Ho-Lung Lu, Yuan-Jung Chang
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Publication number: 20210362388Abstract: A measuring apparatus of bulk viscosity includes a temperature-controlling cylinder having a test chamber for holding a molding material and at least one piston configured to seal an opening of the temperature-controlling cylinder. The temperature-controlling cylinder and the at least one piston are configured for measuring pressures, specific volumes and temperatures (PVT) of the molding material by applying a plurality of cooling rates to the molding material inside the testing chamber under an isobaric environment, or applying a plurality of mechanical pressures to the molding material inside the testing chamber under an isothermal environment.Type: ApplicationFiled: August 6, 2021Publication date: November 25, 2021Inventors: YUAN-JUNG CHANG, RONG-YEU CHANG, CHEN-CHIEH WANG, CHIA-HSIANG HSU
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Publication number: 20210278911Abstract: A dual mode mouse device including a first mouse and a wireless signal transceiver is provided. When the first mouse is electrically connected to the wireless signal transceiver through a first wire, a first mouse control signal of the first mouse is transmitted to the wireless signal transceiver through the first wire. A USB signal processing module of the wireless signal transceiver converts the first mouse control signal into a USB communication protocol control signal that is provided to an electronic device. When the first mouse is not electrically connected to the wireless signal transceiver through the first wire, the first mouse control signal of the control module of the first mouse is transmitted to the wireless communication module of the wireless signal transceiver to control the electronic device through the first mouse communication module.Type: ApplicationFiled: August 27, 2020Publication date: September 9, 2021Inventors: HO-LUNG LU, YUAN-JUNG CHANG
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Patent number: 11088572Abstract: A detachable charging pad includes a carrier and a control box. The carrier has a coil portion and a housing, and the housing has a first electrical connecting portion. The control box is detachably disposed in the housing. The control box has a control circuit and a second electrical connecting portion. When the control box is disposed in the housing, the first electrical connecting portion and the second electrical connecting portion are electrically in contact with each other. The control circuit outputs a control signal to the coil portion through the second electrical connecting portion and the first electrical connecting portion. The coil portion activates a wireless charging function according to the control signal. When the control box is not disposed in the housing, the coil portion stops the wireless charging function.Type: GrantFiled: May 20, 2019Date of Patent: August 10, 2021Assignees: DEXIN ELECTRONIC LTD., DEXIN CORPORATIONInventors: Ho-Lung Lu, Yuan-Jung Chang
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Publication number: 20210213663Abstract: The present disclosure provides a method for deriving a bulk viscosity of a molding material. The method includes a step of deriving a plurality of parameters in relation to pressures, specific volumes and temperatures (PVT) of the molding material under a plurality of cooling rates and a plurality of mechanical pressures; deriving an equilibrium pressure based on the plurality of parameters obtained from a first slowest cooling rate among the plurality of cooling rates; deriving a rate of volume change of the molding material; and obtaining the bulk viscosity of the molding material based on the rate of volume change.Type: ApplicationFiled: September 14, 2020Publication date: July 15, 2021Inventors: YUAN-JUNG CHANG, RONG-YEU CHANG, CHEN-CHIEH WANG, CHIA-HSIANG HSU
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Publication number: 20210203195Abstract: A charging board with an adjustable charging position and a charging method thereof are provided. The charging board includes a control circuit, an indicating circuit and a board body. The board body has a coil accommodating portion, and the coil accommodating portion has a transmitting coil. The transmitting coil can be adjusted in the coil accommodating portion. The control circuit detects the storage position of the transmitting coil, and controls the indicating circuit to output a corresponding indication signal according to the detection result. Thereby, the charging board can be used by a user to adjust the charging position.Type: ApplicationFiled: September 8, 2020Publication date: July 1, 2021Inventors: HO-LUNG LU, YUAN-JUNG CHANG
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Patent number: 10940623Abstract: The present disclosure provides a molding system for preparing molding articles. The molding system includes a molding machine; a mold disposed on the molding machine and having a mold cavity for being filled with a molding resin; a processing module configured to generate a mechanical pressure distribution of the molding resin in the mold cavity based on a molding condition for the molding machine, wherein the mechanical pressure distribution of the molding resin is generated based in part on a bulk viscosity effect of the molding resin; and a controller operably communicating with the processing module and configured to operate the molding machine for transferring the fluid molding material into the mold cavity with the molding condition using the generated pressure distribution of the molding resin to perform an actual molding process for preparing the molding article.Type: GrantFiled: September 25, 2020Date of Patent: March 9, 2021Assignee: Coretech System Co., Ltd.Inventors: Yuan-Jung Chang, Rong-Yeu Chang, Chen-Chieh Wang, Chia-Hsiang Hsu
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Patent number: 10817076Abstract: Provided herein are an input system, a peripheral device and an adjustment method. The peripheral device includes an input interface, a transmission interface and a processing module. The transmission interface is used for connecting a computer. The processing module is connected to the input interface and the transmission interface. The processing module transmits an input signal inputted from the input interface to the computer through the transmission interface at a repeat rate. The processing module receives an adjustment signal from the transmission interface and adjusts the repeat rate according to the adjustment signal, wherein the adjustment signal is outputted from another peripheral device connected to the computer. Accordingly, the present invention can operate a peripheral device to adjust the repeat rate of another peripheral device.Type: GrantFiled: January 17, 2017Date of Patent: October 27, 2020Assignees: DEXIN ELECTRONIC LTD., DEXIN CORPORATIONInventor: Yuan-Jung Chang
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Patent number: 10775909Abstract: A cursor control system including a plurality of electronic devices is provided. Each of the electronic devices includes a display screen to display a data frame and a cursor. The cursor control system includes a first electronic device, a second electronic device, a mouse and a displacement detection unit. The mouse controls a movement and a direction of the cursor on the first electronic device or the second electronic device. The data frame is dragged to another position or into another data frame on the display screen when the data frame is clicked by the mouse. The displacement detection unit detects whether the cursor moves to a boundary of the first electronic device or a boundary of the second electronic device. The displacement detection unit detects whether the data frame moves to the boundary of the first electronic device or the boundary of the second electronic device.Type: GrantFiled: January 18, 2019Date of Patent: September 15, 2020Assignees: DEXIN ELECTRONIC LTD., DEXIN CORPORATIONInventors: Ho-Lung Lu, Yuan-Jung Chang
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Publication number: 20200161902Abstract: A detachable charging pad includes a carrier and a control box. The carrier has a coil portion and a housing, and the housing has a first electrical connecting portion. The control box is detachably disposed in the housing. The control box has a control circuit and a second electrical connecting portion. When the control box is disposed in the housing, the first electrical connecting portion and the second electrical connecting portion are electrically in contact with each other. The control circuit outputs a control signal to the coil portion through the second electrical connecting portion and the first electrical connecting portion. The coil portion activates a wireless charging function according to the control signal. When the control box is not disposed in the housing, the coil portion stops the wireless charging function.Type: ApplicationFiled: May 20, 2019Publication date: May 21, 2020Inventors: HO-LUNG LU, YUAN-JUNG CHANG
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Patent number: 10599232Abstract: Disclosed is a wireless charging mouse, a wireless charging mouse device and a charging method thereof. The wireless charging mouse comprises a wireless power reception circuit, a displacement detecting circuit, a wireless transmission circuit, a charging circuit, a control circuit and a power switching circuit. The wireless power reception circuit wirelessly receives an electromagnetic energy. The displacement detecting circuit detects whether the wireless charging mouse is moving. The control circuit outputs a displacement detecting signal and a power switching signal according to a detecting result generated by the displacement detecting circuit through the wireless transmission circuit. The power switching circuit receives the power switching signal and adjusts a ratio of an electric energy for working to the wireless charging mouse and an electric energy for charging to the charging circuit.Type: GrantFiled: June 15, 2016Date of Patent: March 24, 2020Assignees: DEXIN ELECTRONIC LTD., DEXIN CORPORATIONInventor: Yuan-Jung Chang
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Patent number: 10564735Abstract: A computer input system with distributing computation function is provided. The computer input system includes a first electronic device, a second electronic device and a mouse. The computation executed by the mouse includes a first computation and a second computation. The mouse executes the first computation and transmits the second computation to the second electronic device, so that the second electronic device can execute the second computation.Type: GrantFiled: January 16, 2019Date of Patent: February 18, 2020Assignees: DEXIN ELECTRONIC LTD., DEXIN CORPORATIONInventors: Ho-Lung Lu, Yuan-Jung Chang