Patents by Inventor Chao-Chang Hu
Chao-Chang Hu 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: 20240019658Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a movable part, a fixed part, a driving assembly, and a pressure assembly. The movable part connects an optical element. The movable part moves relative to the fixed part. The driving assembly drives the movable part to move relative to the fixed part, and the pressure assembly exerts a first pre-pressure onto the movable part.Type: ApplicationFiled: July 13, 2023Publication date: January 18, 2024Inventors: Yu-Chiao LO, Hsiao-Hsin HU, Chih-Wen CHIANG, Chia-Che WU, Mao-Gen JIAN, Yi-Ho CHEN, Chao-Chang HU
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Publication number: 20240019705Abstract: An optical system is provided. The optical system includes an image source assembly, a light-guiding element, and a first optical element. The image source assembly is used for providing light. The light-guiding element is used for transmitting the light. The first optical element is disposed between the image source assembly and the light-guiding element and used for adjusting a path of the light.Type: ApplicationFiled: July 13, 2023Publication date: January 18, 2024Inventors: Chih-Wei WENG, Chao-Chang HU, Yung-Hsien YEH
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Publication number: 20240012234Abstract: A driving mechanism is provided, including a fixed part, a movable part connected to the fixed part, and a driving assembly configured to impel the movable part relative to the fixed part, so that the driving mechanism is switchable between an open state and a closed state. The fixed part has a plurality of holes. When the driving mechanism is in the open state, light propagates through the driving mechanism via the holes, and when the driving mechanism is in the closed state, the holes are blocked by the movable part.Type: ApplicationFiled: July 7, 2022Publication date: January 11, 2024Inventors: Chao-Hsi WANG, Kuen-Wang TSAI, Chih-Wei WENG, Chao-Chang HU
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Publication number: 20240012310Abstract: A lens module is provided. The lens module includes a first optical element, a first moveable unit, a base and a first driving module. The first optical element is disposed on the first moveable unit. The first driving module is disposed on the base. The first driving module is connected to the first moveable unit. The first driving module is adapted to move the first moveable unit relative to the base.Type: ApplicationFiled: July 8, 2022Publication date: January 11, 2024Inventors: Shu-Shan CHEN, Chao-Chang HU
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Patent number: 11867969Abstract: An optical element driving mechanism has an optical axis and includes a fixed portion, a movable portion, and a driving assembly. The movable portion is movable relative to the fixed portion. The driving assembly drives the movable portion to move relative to the fixed portion. The driving assembly moves in a first direction to move the movable portion in a second direction, wherein the first direction is different from the second direction.Type: GrantFiled: December 4, 2020Date of Patent: January 9, 2024Assignee: TDK TAIWAN CORP.Inventors: Jungsuck Ryoo, Chieh-An Chang, Min-Hsiu Tsai, Chao-Chang Hu, Shu-Shan Chen, Pai-Jui Cheng, Chao-Hsi Wang
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Publication number: 20240004266Abstract: An optical element driving mechanism includes a movable portion, a fixed portion, a driving assembly, a guiding assembly, and a metallic member. The movable portion is configured to connect an optical element. The optical element is configured to correspond to light reflected by a reflection element, and the reflection element is configured to change a traveling direction of the light from an incident direction to a first direction. The fixed portion includes a base, and the movable portion is movable relative to the fixed portion. The driving assembly is configured to drive the movable portion to move relative to the fixed portion. The guiding assembly includes a plurality of guiding elements. The metallic member is disposed in the base. When viewed from the incident direction, the metallic member is at least partially located between the guiding elements.Type: ApplicationFiled: September 19, 2023Publication date: January 4, 2024Inventors: Cheng-Kai YU, Chen-Hsien FAN, Chao-Chang HU, Shu-Shan CHEN, Chih-Wei WENG
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Patent number: 11863849Abstract: An optical element driving mechanism is provided. The optical element driving mechanism includes a fixed portion, a movable portion, and a driving assembly. The fixed portion includes a main axis. The movable portion is movably disposed on the fixed portion. The movable portion is connected to an optical element. The driving assembly is used for driving the movable portion to move relative to the fixed portion.Type: GrantFiled: June 12, 2020Date of Patent: January 2, 2024Assignee: TDK TAIWAN CORP.Inventors: Chao-Chang Hu, Shu-Shan Chen, Chen-Hsien Fan
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Patent number: 11860443Abstract: An optical system is provided. The optical system includes a fixed portion and a movable portion. The movable portion is movable relative to the fixed portion and includes: a first movable portion and a second movable portion. The first movable portion is configured to connect a first optical element. The second movable portion is configured to connect a second optical element and is movable relative to the first movable portion. The movable portion also includes a third optical element disposed corresponding to the first optical element and the second optical element. Light passes through the first optical element, the second optical element and the third optical element.Type: GrantFiled: July 23, 2021Date of Patent: January 2, 2024Assignee: TDK TAIWAN CORP.Inventors: Chao-Chang Hu, Chih-Wei Weng, Shu-Shan Chen, Chao-Hsi Wang
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Patent number: 11852886Abstract: An optical element driving mechanism includes a movable assembly, a fixed assembly, and a driving assembly. The movable assembly is configured to be connected to an optical element. The movable assembly is movable relative to the fixed assembly. The driving assembly is configured to drive the movable assembly to move relative to the fixed assembly in a range of motion. The optical element driving mechanism further includes a positioning assembly configured to position the movable assembly at a predetermined position relative to the fixed assembly when the driving assembly is not operating.Type: GrantFiled: June 30, 2022Date of Patent: December 26, 2023Assignee: TDK TAIWAN CORP.Inventors: Chao-Chang Hu, Kuen-Wang Tsai, Liang-Ting Ho, Chao-Hsi Wang, Chih-Wei Weng, He-Ling Chang, Che-Wei Chang, Sheng-Zong Chen, Ko-Lun Chao, Min-Hsiu Tsai, Shu-Shan Chen, Jungsuck Ryoo, Mao-Kuo Hsu, Guan-Yu Su
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Patent number: 11846827Abstract: An optical element drive mechanism is provided. The optical element drive mechanism includes an immovable part, a first movable part, a first drive assembly, and a guidance assembly. The first movable part is movable relative to the immovable part. The first movable part is connected to a first optical element. The first drive assembly drives the first movable part to move relative to the immovable part. The guidance assembly guides the movement of the first movable part in the first dimension.Type: GrantFiled: December 9, 2020Date of Patent: December 19, 2023Assignee: TDK TAIWAN CORP.Inventors: Chao-Chang Hu, Che-Wei Chang, Chih-Wen Chiang, Chih-Wei Weng, Ying-Jen Wang
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Patent number: 11841461Abstract: A distance measuring device for measuring the distance to an object is provided, including a light-emitting module, a driving assembly disposed in the light-emitting module, and a light-receiving module. The light-emitting module has a housing, a light source disposed in the housing, a light grating element, and an optical path adjuster. The light source emits a measuring light through the optical path adjuster and the light grating element. The driving assembly can drive the optical path adjuster or the light grating element to move relative to the housing. The light-receiving module receives the measuring light which is reflected by the object to obtain distance information of the object.Type: GrantFiled: December 15, 2020Date of Patent: December 12, 2023Assignee: TDK TAIWAN CORP.Inventors: Shu-Shan Chen, Chao-Chang Hu, Chih-Wei Weng, Sin-Jhong Song
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Patent number: 11835683Abstract: A tactile feedback mechanism is provided, including a movable part, a fixed part, and a driving assembly. The movable part includes a first weight element. The movable part is movable relative to the fixed part. The driving assembly is used for driving the movable part to move relative to the fixed part. The first weight element is made of a metal material.Type: GrantFiled: December 16, 2021Date of Patent: December 5, 2023Assignee: TDK TAIWAN CORP.Inventors: Chao-Chang Hu, Pai-Jui Cheng, Shu-Shan Chen
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Patent number: 11837942Abstract: The present disclosure provides a vibration device, including a stator, an eccentric wheel and an electromagnetic driving assembly. The eccentric wheel rotates around a rotating shaft relative to the stator. The electromagnetic driving assembly includes at least one magnetic element and an induction coil. The at least one magnetic element is disposed on the eccentric wheel. The induction coil corresponds to the magnetic element, and the induction coil is disposed on the stator. When a current is applied to the induction coil, the induction coil acts with the magnetic element to generate an electromagnetic force to drive the eccentric wheel to rotate around the rotating shaft, so that the vibration device generates a vibration. The rotating shaft is disposed on the stator.Type: GrantFiled: February 10, 2021Date of Patent: December 5, 2023Assignee: TDK TAIWAN CORP.Inventors: Chao-Chang Hu, Che-Wei Chang
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Patent number: 11829001Abstract: An optical system is provided. The optical system includes an immovable part, a second movable part, a second drive mechanism, and a second circuit mechanism. The second movable part is used for connecting to a second optical element. The second movable part is movable relative to the immovable part. The second drive mechanism is used for driving the second movable part to move relative to the immovable part. The second circuit mechanism is electrically connected to the second drive mechanism.Type: GrantFiled: January 22, 2021Date of Patent: November 28, 2023Assignee: TDK TAIWAN CORP.Inventors: Chan-Jung Hsu, I-Mei Huang, Yi-Ho Chen, Shao-Chung Chang, Ichitai Moto, Chen-Chi Kuo, Ying-Jen Wang, Ya-Hsiu Wu, Wei-Jhe Shen, Chao-Chang Hu, Che-Wei Chang, Sin-Jhong Song, Shu-Shan Chen, Chih-Wei Weng, Chao-Hsi Wang
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Patent number: 11815736Abstract: An optical element driving mechanism is provided and includes a fixed assembly, a first movable assembly and a first driving assembly. The first movable assembly is configured to connect a first optical element, and the first movable assembly is movable relative to the fixed assembly. The first driving assembly is configured to drive the first movable assembly to move relative to the fixed assembly in a first dimension.Type: GrantFiled: August 19, 2021Date of Patent: November 14, 2023Assignee: TDK TAIWAN CORP.Inventors: Chao-Chang Hu, Chen-Hsien Fan, Chih-Wen Chiang, Chien-Yu Kao
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Patent number: 11809013Abstract: An optical system is provided. The optical system includes a first optical module. The first optical module includes a fixed portion, a movable portion, a driving assembly, and a circuit assembly. The movable portion is movably connected to the fixed portion, and the movable portion is used to connect to an optical element. The driving assembly is used to drive the movable portion to move relative to the fixed portion. The circuit assembly is electrically connected to the driving assembly.Type: GrantFiled: June 12, 2020Date of Patent: November 7, 2023Assignee: TDK TAIWAN CORP.Inventors: Jungsuck Ryoo, Pai-Jui Cheng, Chao-Chang Hu, Min-Hsiu Tsai, Shu-Shan Chen, Chieh-An Chang
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Publication number: 20230341653Abstract: An optical system includes an optical module with a main axis is provided. The optical module includes a fixed portion, a movable portion, a driving mechanism, and a supporting assembly. The movable portion is connected to an optical element and is movable relative to the fixed portion. The driving mechanism drives the movable portion to move relative to the fixed portion. The supporting assembly is connected to the movable portion and the fixed portion. When viewed along a direction that is parallel with the main axis, the fixing portion is a polygonal structure with a first side, a second side, a third side, and a fourth side. The first side is parallel with the third side, the second side is parallel with the fourth side, and the first side is not parallel with the second side.Type: ApplicationFiled: June 29, 2023Publication date: October 26, 2023Inventors: Chan-Jung HSU, I-Mei HUANG, Yi-Ho CHEN, Shao-Chung CHANG, Ichitai MOTO, Chen-Chi KUO, Ying-Jen WANG, Ya-Hsiu WU, Wei-Jhe SHEN, Chao-Chang HU, Che-Wei CHANG, Sin-Jhong SONG, Shu-Shan CHEN, Chih-Wei WENG, Chao-Hsi WANG
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Publication number: 20230341654Abstract: An optical system includes an optical module with a main axis is provided. The optical module includes a fixed portion, a movable portion, and a driving mechanism. The movable portion is connected to an optical element and is movable relative to the fixed portion. The driving mechanism drives the movable portion to move relative to the fixed portion. When viewed along a direction that is parallel with the main axis, the fixed portion is a polygonal structure with a first side, a second side, a third side, and a fourth side. The first side is parallel with the third side, the second side is parallel with the fourth side, and the first side is not parallel with the second side.Type: ApplicationFiled: June 29, 2023Publication date: October 26, 2023Inventors: Chan-Jung HSU, I-Mei HUANG, Yi-Ho CHEN, Shao-Chung CHANG, Ichitai MOTO, Chen-Chi KUO, Ying-Jen WANG, Ya-Hsiu WU, Wei-Jhe SHEN, Chao-Chang HU, Che-Wei CHANG, Sin-Jhong SONG, Shu-Shan CHEN, Chih-Wei WENG, Chao-Hsi WANG
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Patent number: 11796894Abstract: An optical element driving mechanism includes a movable portion, a fixed portion and a driving assembly. The movable portion is configured to connect an optical element having an optical axis. The fixed portion includes a base with a plate structure, wherein the movable portion is movable relative to the fixed portion. The driving assembly is configured to drive the movable portion to move relative to the base. A thickness direction of the base is perpendicular to the optical axis, the base has a recessed structure, and when viewed from the thickness direction of the base, the recessed structure is overlapped with the optical axis.Type: GrantFiled: April 6, 2022Date of Patent: October 24, 2023Assignee: TDK TAIWAN CORP.Inventors: Cheng-Kai Yu, Chen-Hsien Fan, Chao-Chang Hu, Shu-Shan Chen, Chih-Wei Weng
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Publication number: 20230333447Abstract: A driving mechanism for moving an optical unit is provided, including a variable aperture module and a Voice Coil Motor module. The variable aperture module has a bottom plate connected to a lens holder of the Voice Coil Motor module. Specifically, the variable aperture module and the Voice Coil Motor are received in the same housing, so as to enhance the structural strength of the driving mechanism.Type: ApplicationFiled: April 19, 2023Publication date: October 19, 2023Inventors: Tso-Hsiang WU, Chao-Chang HU, Yung-Yun CHEN, Chih-Wei WENG