Patents by Inventor Yi Fan Lin
Yi Fan Lin 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: 11933309Abstract: A method for controlling a fan in a fan start-up stage including a first time period and a second time period comprises the following steps of: during the first time period, continuously providing a first driving signal to drive the fan; and during the second time period, continuously providing a second driving signal to drive the fan; wherein, the signal value of the first driving signal gradually decreases until being equal to the signal value of the second driving signal. Wherein the signal value of the first driving signal non-linearly decreases, the signal value of the second driving signal is an unchanged value. Wherein, the first time period and the second time period are adjusted for a different fan but the sum of the first time period and the second time period is always the same. A fan is also disclosed.Type: GrantFiled: July 22, 2022Date of Patent: March 19, 2024Assignee: DELTA ELECTRONICS, INC.Inventors: Yi-Fan Lin, Chung-Hung Tang, Cheng-Chieh Liu, Chun-Lung Chiu
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Patent number: 11782256Abstract: An endoscope imager includes a system-in-package and a specularly reflective surface. The system-in-package includes (a) a camera module having an imaging lens with an optical axis and (b) an illumination unit. The system-in-package includes (a) a camera module having an imaging lens with an optical axis and (b) an illumination unit configured to emit illumination propagating in a direction away from the imaging lens, the direction having a component parallel to the optical axis. The specularly reflective surface faces the imaging lens and forming an oblique angle with the optical axis, to deflect the illumination toward a scene and deflect light from the scene toward the camera module.Type: GrantFiled: September 21, 2016Date of Patent: October 10, 2023Assignee: OmniVision Technologies, Inc.Inventors: Yi-Fan Lin, Wei-Ping Chen, Jau-Jan Deng, Suganda Jutamulia
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Publication number: 20230223802Abstract: A motor is provided and driven by two phase. The first and second control signals have a phase difference of 90 degrees and are configured to control the first and second driving units, respectively, and the first and second control signals drive the first and second coil sets, respectively. Each of the first and second poles of the permanent magnet occupies a mechanical angle of 360/2n degrees of the permanent magnet, respectively, and n is 1 or 3. The four sets of the coils of the stator are equally located on the stator, each set of the coil occupies a mechanical angle of 360/2m degrees of the stator, any two sets of the coils adjacent to each other are separated by a mechanical angle of 90?(360/2m) degrees, and m is 3 or 2, wherein m corresponds to 2 when n is 1, m corresponds to 3 when n is 3.Type: ApplicationFiled: April 29, 2022Publication date: July 13, 2023Inventors: Yi-Fan Lin, Li-Jiang Lu, Chin-Chun Lai, Chung-Hung Tang, Chun-Lung Chiu
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Patent number: 11698690Abstract: An active stylus includes a memory; a transmission module; and an active stylus controller, coupled to the memory and the transmission module. The active stylus controller controls the transmission module to periodically transmit a downlink beacon signal and a plurality of downlink signals so as to synchronize timing with a touch panel and transmit information. The downlink beacon signal is composed of a plurality of bit data and includes a preamble, stored in the memory, for synchronizing the timing; a digital data, for transmitting information from the active stylus to the touch panel; and a cyclic redundancy check, for executing an error check or an error correction for data. The touch panel is an in-cell/on-cell organic light-emitting diode (OLED) touch screen or an in-cell/on-cell liquid-crystal display (LCD) touch screen.Type: GrantFiled: June 29, 2022Date of Patent: July 11, 2023Assignee: ILI Technology Corp.Inventors: Chia-Yu Hung, Yi-Fan Lin
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Publication number: 20230005404Abstract: In some examples, an electronic device comprises a voltage supply circuit to provide a reference voltage usable to discharge pixels in a display device; and a scaler circuit coupled to the voltage supply circuit. The scaler circuit is to buffer first and second frames and dynamically control the voltage supply circuit to modify the reference voltage based on a frequency of the first frame differing from a frequency of the second frame.Type: ApplicationFiled: June 30, 2021Publication date: January 5, 2023Inventors: Yi-Fan LIN, Kai-Chieh CHANG, Chang-Chih YEH
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Patent number: 11545062Abstract: In some examples, an electronic device comprises a voltage supply circuit to provide a reference voltage usable to discharge pixels in a display device; and a scaler circuit coupled to the voltage supply circuit. The scaler circuit is to buffer first and second frames and dynamically control the voltage supply circuit to modify the reference voltage based on a frequency of the first frame differing from a frequency of the second frame.Type: GrantFiled: June 30, 2021Date of Patent: January 3, 2023Assignee: Hewlett-Packard Development Company, L.P.Inventors: Yi-Fan Lin, Kai-Chieh Chang, Chang-Chih Yeh
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Publication number: 20220356882Abstract: A method for controlling a fan in a fan start-up stage including a first time period and a second time period comprises the following steps of: during the first time period, continuously providing a first driving signal to drive the fan; and during the second time period, continuously providing a second driving signal to drive the fan; wherein, the signal value of the first driving signal gradually decreases until being equal to the signal value of the second driving signal. Wherein the signal value of the first driving signal non-linearly decreases, the signal value of the second driving signal is an unchanged value. Wherein, the first time period and the second time period are adjusted for a different fan but the sum of the first time period and the second time period is always the same. A fan is also disclosed.Type: ApplicationFiled: July 22, 2022Publication date: November 10, 2022Inventors: Yi-Fan LIN, Chung-Hung TANG, Cheng-Chieh LIU, Chun-Lung CHIU
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Publication number: 20220351692Abstract: A method for dimming is adapted for a display device. The method for dimming includes the steps of: obtaining a plurality of first area peak luminance of a plurality of areas of a panel and a backlight plate of the display device; averaging the plurality of first area peak luminance to obtain an overall peak luminance value; looking the overall peak luminance value up in a lookup table to obtain a luminance adjustment value; and adjusting the plurality of first area peak luminance of the plurality of areas into a plurality of second area peak luminance. The plurality of first area peak luminance are a same with or are different from the plurality of second area peak luminance.Type: ApplicationFiled: October 26, 2021Publication date: November 3, 2022Inventors: Shao-Ting CHEN, Yi-Fan LIN, Chi-Lung YEH, Kai-Yuan SIAO
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Patent number: 11473584Abstract: A method for controlling a fan in a fan start-up stage including a first time period and a second time period comprises the following steps of: during the first time period, continuously providing a first driving signal to drive the fan; and during the second time period, continuously providing a second driving signal to drive the fan; wherein, during the first time period the signal value (driving energy) of the first driving signal gradually decreases until being equal to the signal value of the second driving signal, and the signal value of the first driving signal is initially greater than the signal value of the second driving signal. A fan is also disclosed.Type: GrantFiled: July 29, 2019Date of Patent: October 18, 2022Assignee: DELTA ELECTRONICS INC.Inventors: Yi-Fan Lin, Chung-Hung Tang, Cheng-Chieh Liu, Chun-Lung Chiu
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Patent number: 11065687Abstract: A method for manufacturing hollow and other metal products of irregular shape provides metal powder and binding agent, and the two are feed-mixed and heated to a plastic state. The feed-mix is injected in a mold cavity of a first injection mold to form a first blank, and injected in a mold cavity of a second injection mold to form a second blank. The first blank and the second blank are welded together to form a built-up blank which is degreased to remove the binding agent therein. The degreased built-up blank is sintered to obtain the metal product of irregular shape.Type: GrantFiled: January 2, 2018Date of Patent: July 20, 2021Assignee: CHAMP TECH OPTICAL (FOSHAN) CORPORATIONInventors: Dung-Chang Yeh, Yi-Fan Lin, Jin-Hong Zhu
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Patent number: 10679541Abstract: A display panel includes a plurality of data lines and a multiplexer circuit including a first switch set and a second switch set each having a plurality of switches. Each switch of the switch sets has a first end connected to the data lines and a second end. The second ends of a same switch set are connected to each other to form a receiving end connected to a data signal source. The first switch set is turned on alternately by a first clock signal and a second clock signal. The second switch set is turned alternately by a third clock signal and a fourth clock signal. The enabling period of the first clock signal and that of the third clock signal partially overlap and have asynchronous starting times. The enabling period of the second clock signal and that of the fourth clock signal at least partially overlap.Type: GrantFiled: May 22, 2019Date of Patent: June 9, 2020Assignee: AU OPTRONICS CORPORATIONInventors: Shao-Ting Chen, Yi-Fan Lin
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Publication number: 20190362666Abstract: A display panel includes a plurality of data lines and a multiplexer circuit including a first switch set and a second switch set each having a plurality of switches. Each switch of the switch sets has a first end connected to the data lines and a second end. The second ends of a same switch set are connected to each other to form a receiving end connected to a data signal source. The first switch set is turned on alternately by a first clock signal and a second clock signal. The second switch set is turned alternately by a third clock signal and a fourth clock signal. The enabling period of the first clock signal and that of the third clock signal partially overlap and have asynchronous starting times. The enabling period of the second clock signal and that of the fourth clock signal at least partially overlap.Type: ApplicationFiled: May 22, 2019Publication date: November 28, 2019Inventors: Shao-Ting Chen, Yi-Fan Lin
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Publication number: 20190353170Abstract: A method for controlling a fan in a fan start-up stage including a first time period and a second time period comprises the following steps of: during the first time period, continuously providing a first driving signal to drive the fan; and during the second time period, continuously providing a second driving signal to drive the fan; wherein, during the first time period the signal value (driving energy) of the first driving signal gradually decreases until being equal to the signal value of the second driving signal, and the signal value of the first driving signal is initially greater than the signal value of the second driving signal. A fan is also disclosed.Type: ApplicationFiled: July 29, 2019Publication date: November 21, 2019Inventors: Yi-Fan LIN, Chung-Hung TANG, Cheng-Chieh LIU, Chun-Lung CHIU
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Publication number: 20190193162Abstract: A method for manufacturing metal product having irregular shapes includes steps of providing powder and binding agent, and mixing the powder and binding agent as a mixed feed. The mixed feed is heated to a plastic state, and injected into a mold cavity to form a plurality of blanks. The blanks are degreased to remove the binding agent and are sintered to form workpieces. A substrate or substrates and the workpieces form different parts of the metal product having irregular shapes. The workpieces are disposed on substrate to form a preform and the preform is bonded to form the metal products of irregular shape.Type: ApplicationFiled: February 2, 2018Publication date: June 27, 2019Inventors: YI-FAN LIN, DUNG-CHANG YEH
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Publication number: 20190168307Abstract: A method for manufacturing hollow and other metal products of irregular shape provides metal powder and binding agent, and the two are feed-mixed and heated to a plastic state. The feed-mix is injected in a mold cavity of a first injection mold to form a first blank, and injected in a mold cavity of a second injection mold to form a second blank. The first blank and the second blank are welded together to form a built-up blank which is degreased to remove the binding agent therein. The degreased built-up blank is sintered to obtain the metal product of irregular shape.Type: ApplicationFiled: January 2, 2018Publication date: June 6, 2019Inventors: DUNG-CHANG YEH, YI-FAN LIN, JIN-HONG ZHU
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Publication number: 20180081163Abstract: An endoscope imager includes a system-in-package and a specularly reflective surface. The system-in-package includes (a) a camera module having an imaging lens with an optical axis and (b) an illumination unit. The system-in-package includes (a) a camera module having an imaging lens with an optical axis and (b) an illumination unit configured to emit illumination propagating in a direction away from the imaging lens, the direction having a component parallel to the optical axis. The specularly reflective surface faces the imaging lens and forming an oblique angle with the optical axis, to deflect the illumination toward a scene and deflect light from the scene toward the camera module.Type: ApplicationFiled: September 21, 2016Publication date: March 22, 2018Inventors: Yi-Fan Lin, Wei-Ping Chen, Jau-Jan Deng, Suganda Jutamulia
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Patent number: 9780705Abstract: A single phase brushless DC motor comprises a Hall effect sensor, a coil assembly and a motor control circuit which generating a driving signal to guide a coil current flowing through the coil assembly. The Hall effect sensor senses the magnetic pole of the rotor to accordingly generate a Hall effect signal. The motor control circuit outputs a current polarity reverse signal according to the voltage at one end of the coil assembly. The time when the current polarity reverse signal is generated corresponds to the polarity reverse time of the coil current. The motor control circuit adjusts the phase of the driving signal according to the polarity reverse time of the Hall effect signal and the time when the current polarity reverse signal is generated to synchronize the phase of the back emf of the single phase brushless DC motor with the phase of the coil current.Type: GrantFiled: January 24, 2016Date of Patent: October 3, 2017Assignee: DELTA ELECTRONICS, INC.Inventors: Yi-Fan Lin, Chien-Sheng Lin, Chung-Hung Tang, Chun-Lung Chiu
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Publication number: 20170141707Abstract: A single phase brushless DC motor comprises a Hall effect sensor, a coil assembly and a motor control circuit which generating a driving signal to guide a coil current flowing through the coil assembly. The Hall effect sensor senses the magnetic pole of the rotor to accordingly generate a Hall effect signal. The motor control circuit outputs a current polarity reverse signal according to the voltage at one end of the coil assembly. The time when the current polarity reverse signal is generated corresponds to the polarity reverse time of the coil current. The motor control circuit adjusts the phase of the driving signal according to the polarity reverse time of the Hall effect signal and the time when the current polarity reverse signal is generated to synchronize the phase of the back emf of the single phase brushless DC motor with the phase of the coil current.Type: ApplicationFiled: January 24, 2016Publication date: May 18, 2017Inventors: Yi-Fan LIN, Chien-Sheng LIN, Chung-Hung TANG, Chun-Lung CHIU
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Publication number: 20160123338Abstract: A method for controlling a fan in a fan start-up stage including a first time period and a second time period comprises the following steps of: during the first time period, continuously providing a first driving signal to drive the fan; and during the second time period, continuously providing a second driving signal to drive the fan; wherein, during the first time period the signal value (driving energy) of the first driving signal gradually decreases until being equal to the signal value of the second driving signal, and the signal value of the first driving signal is initially greater than the signal value of the second driving signal. A fan is also disclosed.Type: ApplicationFiled: October 28, 2015Publication date: May 5, 2016Inventors: Yi-Fan LIN, Chung-Hung TANG, Cheng-Chieh LIU, Chun-Lung CHIU
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Patent number: 9105247Abstract: A display device includes multiple first data lines, multiple second data lines, multiple pixel columns, at least a first charge sharing switch circuit and at least a second charge sharing switch circuit. The second data lines are alternately arranged with the first data lines. Each of the pixel columns includes multiple first pixels and multiple second pixels. The first pixels of each of the pixel columns are coupled to one of the first data lines, and the second pixels of each of the pixel columns are coupled to one of the second data lines. The first charge sharing switch circuit each is electrically coupled to at least a part of the first data lines. The second charge sharing switch circuit each is electrically coupled to at least a part of the second data lines. A display device driving method and a source driving circuit also are provided.Type: GrantFiled: August 2, 2010Date of Patent: August 11, 2015Assignee: AU OPTRONICS CORP.Inventors: Yi-Fan Lin, Mu-Lin Tung, Chao-Ching Hsu