Patents by Inventor Chien-Hsing Tsai
Chien-Hsing Tsai 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: 11945156Abstract: A three-dimensional printing apparatus includes a liquid tank capable of accommodating a photosensitive liquid. The liquid tank includes a film, a plurality of side walls, a plate and a motor. The film has a workpiece curing area. The plurality of side walls surrounds the film. The plate is capable of supporting the film and having at least one fluid tunnel extending from a first surface of the plate contacting the film to a second surface of the plate. The motor is connected to the liquid tank to incline the liquid tank. A gap is formed between the plat and one of the plurality of side walls of the liquid tank, and the film is communicated with an outside space via the gap.Type: GrantFiled: November 25, 2019Date of Patent: April 2, 2024Assignee: YOUNG OPTICS INC.Inventors: Li-Han Wu, Chien-Hsing Tsai, Chao-Shun Chen, Tsung-Yu Liu
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Patent number: 11929547Abstract: A mobile device includes a system circuit board, a metal frame, one or more other antenna elements, a display device, a first feeding element, and an RF (Radio Frequency) module. The system circuit board includes a system ground plane. The metal frame at least includes a first portion and a second portion. The metal frame at least has a first cut point positioned between the first portion and the second portion. The metal frame further has a second cut point for separating the other antenna elements from the first portion. The first cut point is arranged to be close to a middle region of the display device. The first feeding element is directly or indirectly electrically connected to the first portion. A first antenna structure is formed by the first feeding element and the first portion.Type: GrantFiled: April 7, 2023Date of Patent: March 12, 2024Assignee: HTC CorporationInventors: Tiao-Hsing Tsai, Chien-Pin Chiu, Hsiao-Wei Wu, Li-Yuan Fang, Shen-Fu Tzeng, Yi-Hsiang Kung
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Patent number: 11747609Abstract: An optical path adjusting mechanism including a rotating base, an optical element, a coil, a first spring and a second spring is provided. The rotating base includes a first corner and a second corner opposite to the first corner. A first area and a second area are disposed along a line passing through the first corner and the second corner on the rotating base. The optical element is disposed on the rotating base. The coil is disposed around a periphery of the rotating base. One terminal of the first spring is connected to the first area of the rotating base. One terminal of the second spring is connected to the second area of the rotating base.Type: GrantFiled: March 22, 2022Date of Patent: September 5, 2023Assignee: YOUNG OPTICS INC.Inventors: Wei-Szu Lin, Chao-Shun Chen, Chia-Chen Liao, Yu-Chen Chang, Chien-Hsing Tsai
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Patent number: 11673326Abstract: A three dimensional printing apparatus includes a carrier, a glass plate and a film. The glass plate is disposed on the carrier. The film covers the glass plate and is folded over an edge of the carrier. An interface between the glass plate and the film is in communication with the external space via a channel between the edge and the sidewall of the glass plate.Type: GrantFiled: November 20, 2019Date of Patent: June 13, 2023Assignee: Young Optics Inc.Inventor: Chien-Hsing Tsai
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Patent number: 11426993Abstract: A three-dimensional printing system includes a build device and an optical projection engine. The build device includes a curing tank, a photocurable material and a build platform, and the photocurable material and the build platform is disposed in the curing tank. The optical projection engine has a zoom lens for projecting image beams with at least a first pixel size and a second pixel size on the build platform to cure the photocurable material, and the first pixel size is different to the second pixel size.Type: GrantFiled: August 29, 2016Date of Patent: August 30, 2022Assignee: YOUNG OPTICS INC.Inventors: Chao-Shun Chen, Kun-Yao Chen, Chien-Hsing Tsai
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Publication number: 20220214537Abstract: An optical path adjusting mechanism including a rotating base, an optical element, a coil, a first spring and a second spring is provided. The rotating base includes a first corner and a second corner opposite to the first corner. A first area and a second area are disposed along a line passing through the first corner and the second corner on the rotating base. The optical element is disposed on the rotating base. The coil is disposed around a periphery of the rotating base. One terminal of the first spring is connected to the first area of the rotating base. One terminal of the second spring is connected to the second area of the rotating base.Type: ApplicationFiled: March 22, 2022Publication date: July 7, 2022Applicant: Young Optics Inc.Inventors: Wei-Szu Lin, Chao-Shun Chen, Chia-Chen Liao, Yu-Chen Chang, Chien-Hsing Tsai
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Patent number: 11314078Abstract: An optical path adjusting mechanism including a rotating base, an optical element, a coil, a first spring and a second spring is provided. A first area and a second area are diagonally disposed on the rotating base. The optical element is disposed in the rotating base. The coil is disposed around a periphery of the rotating base. One terminal of the first spring is connected to the first area of the rotating base. One terminal of the second spring is connected to the second area of the rotating base.Type: GrantFiled: August 6, 2020Date of Patent: April 26, 2022Assignee: Young Optics Inc.Inventors: Wei-Szu Lin, Chao-Shun Chen, Chia-Chen Liao, Yu-Chen Chang, Chien-Hsing Tsai
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Patent number: 11220052Abstract: One embodiment of the invention provides a three-dimensional printing apparatus including a light-transmissive plate having a first surface, a platform, a support frame, a supporting seat and a rotating shaft. The platform is disposed above the light-transmissive plate, and the support frame is disposed under the light-transmissive plate. The supporting seat is disposed under the support frame and defines an accommodation space under the light-transmissive plate for accommodating an image light source. The rotating shaft pivots on a point inside or on the support frame and has a shaft center, and the shaft center is disposed under an extending plane extending from the first surface.Type: GrantFiled: November 13, 2018Date of Patent: January 11, 2022Assignee: YOUNG OPTICS INC.Inventor: Chien-Hsing Tsai
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Publication number: 20200363627Abstract: An optical path adjusting mechanism including a rotating base, an optical element, a coil, a first spring and a second spring is provided. A first area and a second area are diagonally disposed on the rotating base. The optical element is disposed in the rotating base. The coil is disposed around a periphery of the rotating base. One terminal of the first spring is connected to the first area of the rotating base. One terminal of the second spring is connected to the second area of the rotating base.Type: ApplicationFiled: August 6, 2020Publication date: November 19, 2020Applicant: Young Optics Inc.Inventors: Wei-Szu Lin, Chao-Shun Chen, Chia-Chen Liao, Yu-Chen Chang, Chien-Hsing Tsai
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Publication number: 20200298485Abstract: A three dimensional printing apparatus includes a carrier, a glass plate and a film. The glass plate is disposed on the carrier. The film covers the glass plate and is folded over an edge of the carrier. An interface between the glass plate and the film is in communication with the external space via a channel between the edge and the sidewall of the glass plate.Type: ApplicationFiled: November 20, 2019Publication date: September 24, 2020Applicant: Young Optics Inc.Inventor: Chien-Hsing Tsai
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Patent number: 10754147Abstract: A projector including a light source, a light valve, a projection lens and a displacement module is provided. The light source generates an illumination light. The light valve converts the illumination light into a multi-pixel area image light. The projection lens is disposed in a transmission path of the multi-pixel area image light. The image displacement module includes a carrier, an optical element, a frame and a base. The carrier, the frame and the base are substantially coplanar with each other, and the multi-pixel area image light provided is configured to be moved by the optical element and being moved along a third direction in response to the spinning of the carrier, and the first direction is different from the second direction. Furthermore, a three-dimensional printing apparatus is also provided.Type: GrantFiled: May 6, 2019Date of Patent: August 25, 2020Assignee: Young Optics Inc.Inventors: Wei-Szu Lin, Chao-Shun Chen, Chia-Chen Liao, Yu-Chen Chang, Chien-Hsing Tsai
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Publication number: 20200086626Abstract: A three-dimensional printing apparatus includes a liquid tank capable of accommodating a photosensitive liquid. The liquid tank includes a film, a plurality of side walls, a plate and a motor. The film has a workpiece curing area. The plurality of side walls surrounds the film. The plate is capable of supporting the film and having at least one fluid tunnel extending from a first surface of the plate contacting the film to a second surface of the plate. The motor is connected to the liquid tank to incline the liquid tank. A gap is formed between the plat and one of the plurality of side walls of the liquid tank, and the film is communicated with an outside space via the gap.Type: ApplicationFiled: November 25, 2019Publication date: March 19, 2020Inventors: Li-Han Wu, Chien-Hsing Tsai, Chao-Shun Chen, Tsung-Yu Liu
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Publication number: 20190258048Abstract: A projector including a light source, a light valve, a projection lens and a displacement module is provided. The light source generates an illumination light. The light valve converts the illumination light into a multi-pixel area image light. The projection lens is disposed in a transmission path of the multi-pixel area image light. The image displacement module includes a carrier, an optical element, a frame and a base. The carrier, the frame and the base are substantially coplanar with each other, and the multi-pixel area image light provided is configured to be moved by the optical element and being moved along a third direction in response to the spinning of the carrier, and the first direction is different from the second direction. Furthermore, a three-dimensional printing apparatus is also provided.Type: ApplicationFiled: May 6, 2019Publication date: August 22, 2019Applicant: Young Optics Inc.Inventors: Wei-Szu Lin, Chao-Shun Chen, Chia-Chen Liao, Yu-Chen Chang, Chien-Hsing Tsai
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Publication number: 20190143591Abstract: One embodiment of the invention provides a three-dimensional printing apparatus including a light-transmissive plate having a first surface, a platform, a support frame, a supporting seat and a rotating shaft. The platform is disposed above the light-transmissive plate, and the support frame is disposed under the light-transmissive plate. The supporting seat is disposed under the support frame and defines an accommodation space under the light-transmissive plate for accommodating an image light source. The rotating shaft pivots on a point inside or on the support frame and has a shaft center, and the shaft center is disposed under an extending plane extending from the first surface.Type: ApplicationFiled: November 13, 2018Publication date: May 16, 2019Inventor: Chien-Hsing TSAI
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Patent number: 10281715Abstract: An image displacement module is adapted for an optical apparatus to switch image positions of a plurality of plane image. The image displacement module includes a carrying base and a rotating base. The carrying base is adapted to control the rotating base to vibrate back forth within an angle, such that the imaging positions of the plane image on the horizontal direction are moved by a first distance and the imaging positions of the plane image on the vertical direction are moved by a second distance at the same time. Alternatively, the carrying base is adapted to control the rotating base to rotate relative to two axes of a reference plane, such that the plane image are moved by a distance along one of a plurality of movement directions.Type: GrantFiled: April 1, 2016Date of Patent: May 7, 2019Assignee: Young Optics Inc.Inventors: Wei-Szu Lin, Chao-Shun Chen, Chia-Chen Liao, Yu-Chen Chang, Chien-Hsing Tsai
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Publication number: 20180056605Abstract: A three-dimensional printing system includes a build device and an optical projection engine. The build device includes a curing tank, a photocurable material and a build platform, and the photocurable material and the build platform is disposed in the curing tank. The optical projection engine has a zoom lens for projecting image beams with at least a first pixel size and a second pixel size on the build platform to cure the photocurable material, and the first pixel size is different to the second pixel size.Type: ApplicationFiled: August 29, 2016Publication date: March 1, 2018Inventors: CHAO-SHUN CHEN, KUN-YAO CHEN, CHIEN-HSING TSAI
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Publication number: 20170182716Abstract: A three-dimensional printing apparatus includes a liquid tank and a motor. The liquid tank includes a film and a plate. The film has a working area, and the plate supports the film and has at least one fluid tunnel extending from a first surface of the plate contacting the film to a second surface of the plate. The motor is disposed on the liquid tank, providing dragging-down traction to incline the liquid tank. The embodiments of the present invention facilitate the separation of workpieces from the film. Another three-dimensional printing apparatus and a three-dimensional printing method are also provided.Type: ApplicationFiled: August 29, 2016Publication date: June 29, 2017Inventors: Li-Han Wu, Chien-Hsing Tsai, Chao-Shun Chen, Tsung-Yu Liu
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Publication number: 20160370575Abstract: An image displacement module is adapted for an optical apparatus to switch image positions of a plurality of plane image. The image displacement module includes a carrying base and a rotating base. The carrying base is adapted to control the rotating base to vibrate back forth within an angle, such that the imaging positions of the plane image on the horizontal direction are moved by a first distance and the imaging positions of the plane image on the vertical direction are moved by a second distance at the same time. Alternatively, the carrying base is adapted to control the rotating base to rotate relative to two axes of a reference plane, such that the plane image are moved by a distance along one of a plurality of movement directions.Type: ApplicationFiled: April 1, 2016Publication date: December 22, 2016Inventors: Wei-Szu Lin, Chao-Shun Chen, Chia-Chen Liao, Yu-Chen Chang, Chien-Hsing Tsai
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Publication number: 20130100169Abstract: An input device includes a motion sensor for sensing a first axis value, a distance sensor for sensing a limb distance between two limbs, and a controller. The controller is used to perform a method for controlling zooming of an object. The method includes using the motion sensor to sense the first axis value; and initiating a zooming program when the first axis value meets an initiating condition. The zooming program includes the following steps of using the distance sensor to sense the limb distance between two limbs, comparing the limb distance with a reference value; and based on a comparison result outputting a zooming control signal to zooming of an object.Type: ApplicationFiled: April 17, 2012Publication date: April 25, 2013Applicant: KYE SYSTEMS CORP.Inventors: Jui-Tsung LIAO, Kun-Hsiung Wu, Chih-Heng Nien, Chien-Hsing Tsai, Shih-Wei Yeh, Tsu-Nan Lee, Yu-Chi Wang
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Publication number: 20090244034Abstract: A computer input device and a method for controlling a direction of an operated target using the same are described. The computer input device includes an optical touch control module, a motion look-up table, and look-up corresponding motion. The motion look-up table records a user's operations made on the optical touch control module and corresponding motions performed accordingly. The motion look-up is executed to record a finger touch area where a finger touches the optical touch control module within a certain time period, to look up the motion look-up table for the corresponding motion to be performed according to the finger touch area and the record about a previous touch area, and to perform the corresponding motion to control the direction of the operated target.Type: ApplicationFiled: June 19, 2008Publication date: October 1, 2009Applicant: KYE SYSTEMS CORP.Inventors: Chien-Cheng Chen, Cheng-Che Tsai, Chien-Hsing Tsai