Patents by Inventor Chao-Yi Yeh
Chao-Yi Yeh 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).
-
Patent number: 11774239Abstract: A method includes: transmitting an incident light to an object located on a stage, in which a first light and a second light are reflected; receiving the first light and the second light by an imaging lens group to obtain a third pattern corresponding to the first pattern and a fourth pattern corresponding to the second pattern; transmitting the third pattern and the fourth pattern to an image sensor, in which a center point of the third pattern and a center point of the fourth pattern are separated by a first distance on the image sensor; calculating a tilted angle between an optical axis of the imaging lens group and a normal direction of the stage according to the first distance; and adjusting the stage according to the tilted angle such that the normal direction is parallel to the optical axis.Type: GrantFiled: May 10, 2022Date of Patent: October 3, 2023Assignees: Interface Technology (ChengDu) Co., Ltd., Interface Optoelectronics (ShenZhen) Co., Ltd., Interface Optoelectronics (Wuxi) Co., Ltd., General Interface Solution LimitedInventors: Chao-Yi Yeh, Jiangyun Zhou, Siqi Wang, Ya-Chu Yang
-
Publication number: 20230304791Abstract: A method includes: transmitting an incident light to an object located on a stage, in which a first light and a second light are reflected; receiving the first light and the second light by an imaging lens group to obtain a third pattern corresponding to the first pattern and a fourth pattern corresponding to the second pattern; transmitting the third pattern and the fourth pattern to an image sensor, in which a center point of the third pattern and a center point of the fourth pattern are separated by a first distance on the image sensor; calculating a tilted angle between an optical axis of the imaging lens group and a normal direction of the stage according to the first distance; and adjusting the stage according to the tilted angle such that the normal direction is parallel to the optical axis.Type: ApplicationFiled: May 10, 2022Publication date: September 28, 2023Inventors: Chao-Yi YEH, Jiangyun ZHOU, Siqi WANG, Ya-Chu YANG
-
Patent number: 11600117Abstract: A gesture recognition system and a gesture recognition method are provided. The gesture recognition system includes a fingerprint sensor and a processing circuit. The processing circuit obtains a first fingerprint image and a second fingerprint image through the fingerprint sensor. The processing circuit obtains a plurality of first coordinate parameters of a plurality of first coordinate points in the first fingerprint image, and obtains a plurality of second coordinate parameters of a plurality of second coordinate points in the second fingerprint image. The first coordinate points of the first fingerprint image and the second coordinate points of the second fingerprint image respectively have a plurality of grayscale values corresponding to each other. The processing circuit determines a gesture operation according to the first coordinate parameters and the second coordinate parameters.Type: GrantFiled: October 29, 2020Date of Patent: March 7, 2023Assignee: Egis Technology Inc.Inventors: Chao-Yi Yeh, Kuan-Yi Lin
-
Publication number: 20220343688Abstract: A gesture recognition system and a gesture recognition method are provided. The gesture recognition system includes a fingerprint sensor and a processing circuit. The processing circuit obtains a first fingerprint image and a second fingerprint image through the fingerprint sensor. The processing circuit obtains a plurality of first coordinate parameters of a plurality of first coordinate points in the first fingerprint image, and obtains a plurality of second coordinate parameters of a plurality of second coordinate points in the second fingerprint image. The first coordinate points of the first fingerprint image and the second coordinate points of the second fingerprint image respectively have a plurality of grayscale values corresponding to each other. The processing circuit determines a gesture operation according to the first coordinate parameters and the second coordinate parameters.Type: ApplicationFiled: October 29, 2020Publication date: October 27, 2022Applicant: Egis Technology Inc.Inventors: Chao-Yi Yeh, Kuan-Yi Lin
-
Publication number: 20220319225Abstract: An electronic apparatus and a fingerprint sensing module suitable for being arranged below a display panel and including an image sensor disposed below the display panel, microlens array disposed between the image sensor and the display panel and including microlenses arranged in an array, and an ambient light blocking filter disposed between the image sensor and the microlens array and having light channels are provided. Each light channel is surrounded and formed by a light shielding body. Light beams from the microlenses are respectively transmitted to the image sensor through the light channels. The microlens array images a fingerprint of a finger contacting an upper surface of the display panel onto the image sensor, but does not image an electrode structure in the display panel onto the image sensor. The fingerprint sensing module can produce high-contrast fingerprint images and suppress moiré interference, and is less affected by ambient light.Type: ApplicationFiled: June 15, 2020Publication date: October 6, 2022Applicant: Egis Technology Inc.Inventor: Chao-Yi Yeh
-
Publication number: 20220283353Abstract: A fingerprint sensing apparatus adapted to sense a fingerprint of a user. The fingerprint sensing device includes an image sensor (110), a light source (120) and a light guide plate (130). The image sensor (110) is provided on a first side (S1) of the light guide plate (130), and the light source (120) is provided on a second side (S2) of the light guide plate (130). The first side (S1) is opposite to the second side (S2). The light guide plate (130) includes a plurality of optical fiber devices (132), each optical fiber device (132) including a fingerprint end (E1) adjacent to the fingerprint and a sensing end (E2) adjacent to the image sensor (110). Cross-sectional areas of fiber cores (132a) of the optical fiber devices decrease from the fingerprint end (E1) to the sensing end (E2). The fingerprint sensing apparatus can have a good optical quality with a thin volume.Type: ApplicationFiled: April 7, 2020Publication date: September 8, 2022Applicant: Egis Technology Inc.Inventor: Chao-Yi Yeh
-
Patent number: 9810640Abstract: A panel inspection apparatus is provided. The panel inspection apparatus has a support platform, a delivery platform and a panel inspection assembly. The delivery platform is disposed on the support platform, and the delivery platform has a push module for delivering the panel. The panel inspection assembly includes a plurality of light source modules and a plurality of image-taking modules corresponding to the light source modules. The light source modules include a front light source, a first horizontal light source, and a back light source. The image-taking modules include a front light image-taking module, a first horizontal light image-taking module, and a back light image-taking module. The push module delivers the panel across the support platform so that a plurality of light beams emitted from the light source modules can scan the panel to finish the panel inspection process.Type: GrantFiled: January 26, 2016Date of Patent: November 7, 2017Assignee: CHENG MEI INSTRUMENT TECHNOLOGY CO., LTD.Inventors: Chao-Yi Yeh, Pin-Chuan Su, Shang-Iun Yang, Chih Yuan Liu
-
Patent number: 9785285Abstract: A detection method for a touch panel is provided. The method includes the following steps: (a) using a transfer device to move the touch panel; (b) placing the touch panel on an LCD monitor; (c) emitting at least one striped light pattern from the LCD monitor; (d) using at least one camera to capture an image that is formed by the at least one striped light pattern through the touch panel; and (e) using a processor to analyze the image to complete the detection of the touch panel.Type: GrantFiled: January 14, 2016Date of Patent: October 10, 2017Assignee: CHENG MEI INSTRUMENT TECHNOLOGY CO., LTD.Inventors: Chao-Yi Yeh, Hung Chun Lo, Shang-Iun Yang, Chi-Yuan Lin
-
Publication number: 20160225139Abstract: A detection method for a touch panel is provided. The method includes the following steps: (a) using a transfer device to move the touch panel; (b) placing the touch panel on an LCD monitor; (c) emitting at least one striped light pattern from the LCD monitor; (d) using at least one camera to capture an image that is formed by the at least one striped light pattern through the touch panel; and (e) using a processor to analyze the image to complete the detection of the touch panel.Type: ApplicationFiled: January 14, 2016Publication date: August 4, 2016Inventors: Chao-Yi YEH, Hung Chun LO, Shang-lun YANG, Chi-Yuan LIN
-
Publication number: 20160216214Abstract: A panel inspection apparatus is provided. The panel inspection apparatus has a support platform, a delivery platform and a panel inspection assembly. The delivery platform is disposed on the support platform, and the delivery platform has a push module for delivering the panel. The panel inspection assembly includes a plurality of light source modules and a plurality of image-taking modules corresponding to the light source modules. The light source modules include a front light source, a first horizontal light source, and a back light source. The image-taking modules include a front light image-taking module, a first horizontal light image-taking module, and a back light image-taking module. The push module delivers the panel across the support platform so that a plurality of light beams emitted from the light source modules can scan the panel to finish the panel inspection process.Type: ApplicationFiled: January 26, 2016Publication date: July 28, 2016Inventors: Chao-Yi YEH, Pin-Chuan SU, Shang-Iun YANG, Chih Yuan LIU
-
Patent number: 8267549Abstract: An illumination device includes a cover, a heat-dissipation module, and a plurality of light emitting units. The heat-dissipation module includes a main body and a mounting plate connected to the main body. The mounting plate is received in the interior of the illumination device. The light emitting units are mounted on the mounting plate and opposite to the cover. Light from the light emitting unit is transmitted through the cover.Type: GrantFiled: May 7, 2010Date of Patent: September 18, 2012Assignee: Foxsemicon Integrated Technology, Inc.Inventors: Jyh-Der Hwang, Chao-Yi Yeh, Shan-Ju Lin
-
Patent number: 8203792Abstract: A projection lens comprises, from a long conjugate side to a short conjugate side, a first lens unit with positive optical power, a second lens unit with negative optical power, and a third lens unit with negative optical power. The first lens unit is configured for correcting chromatic aberration of the projection lens. The third lens unit comprises a meniscus lens which is convex toward to the short conjugate side of the projection lens.Type: GrantFiled: September 22, 2010Date of Patent: June 19, 2012Assignee: Foxsemicon Integrated Technology, Inc.Inventors: Chao-Yi Yeh, Jyh-Long Chern
-
Publication number: 20120044584Abstract: A projection lens comprises, from a long conjugate side to a short conjugate side, a first lens unit with positive optical power, a second lens unit with negative optical power, and a third lens unit with negative optical power. The first lens unit is configured for correcting chromatic aberration of the projection lens. The third lens unit comprises a meniscus lens which is convex toward to the short conjugate side of the projection lens.Type: ApplicationFiled: September 22, 2010Publication date: February 23, 2012Applicant: FOXSEMICON INTEGRATED TECHNOLOGY, INC.Inventors: CHAO-YI YEH, JYH-LONG CHERN
-
Patent number: 8000032Abstract: An exemplary internally focusing lens system includes, in order from the object side to the image side, a first lens group with positive refractive power, a second lens group with negative refractive power, and a third lens group with positive refractive power. The third lens group includes one lens element. The second lens group is movable toward the image side and the first and third lens groups remain stationary during focusing of the lens system from an infinitely distant object to a nearby object.Type: GrantFiled: October 30, 2009Date of Patent: August 16, 2011Assignee: Foxsemicon Integrated Technology, Inc.Inventors: Chao-Yi Yeh, Jyh-Long Chern, Wen-Jang Jiang
-
Publication number: 20110149066Abstract: A system for evaluating light uniformity through an optical lens includes an operating platform, an image processing device and a processor. The operating platform includes a mount and a holder. The mount is configured for mounting the image processing device. The holder is configured for holding the optical lens. The image processing device is configured for capturing an image of a light spot corresponding to the optical lens. The processor is electrically coupled to the image processing device. The mount is shifted back and forth along the direction towards and away from the holder for adjusting the size of the light spot of the optical lens. The processor is configured for calculating the light uniformity through the optical lens according to a minimal light spot image from the image processing device.Type: ApplicationFiled: August 3, 2010Publication date: June 23, 2011Applicant: FOXSEMICON INTEGRATED TECHNOLOGY, INC.Inventors: CHAO-YI YEH, CHUNG-CHIH HUANG, RONG-YIH YAN
-
Publication number: 20110149273Abstract: A system for measuring a focal length of an optical lens includes an image processing device and an operating platform. The image processing device is configured for capturing a light spot image of the optical lens. The operating platform includes a mount, a holder and a measurer. The mount is configured for mounting the image processing device. The holder is configured for holding the optical lens. The mount is moved back and forth along the direction towards and away from the optical lens held by the holder. The measurer is configured for measuring and recording a distance between image processing device and the optical lens when a minimal light spot image of the optical lens is obtained. The distance is the focal length of the optical lens.Type: ApplicationFiled: August 3, 2010Publication date: June 23, 2011Applicant: FOXSEMICON INTEGRATED TECHNOLOGY, INC.Inventors: CHAO-YI YEH, CHUNG-CHIH HUANG, RONG-YIH YAN
-
Publication number: 20110002125Abstract: An illumination device includes a cover, a heat-dissipation module, and a plurality of light emitting units. The heat-dissipation module includes a main body and a mounting plate connected to the main body. The mounting plate is received in the interior of the illumination device. The light emitting units are mounted on the mounting plate and opposite to the cover. Light from the light emitting unit is transmitted through the cover.Type: ApplicationFiled: May 7, 2010Publication date: January 6, 2011Applicant: FOXSEMICON INTEGRATED TECHNOLOGY, INC.Inventors: JYH-DER HWANG, CHAO-YI YEH, SHAN-JU LIN
-
Publication number: 20100220397Abstract: An exemplary internally focusing lens system includes, in order from the object side to the image side, a first lens group with positive refractive power, a second lens group with negative refractive power, and a third lens group with positive refractive power. The third lens group includes one lens element. The second lens group is movable toward the image side and the first and third lens groups remain stationary during focusing of the lens system from an infinitely distant object to a nearby object.Type: ApplicationFiled: October 30, 2009Publication date: September 2, 2010Applicant: FOXSEMICON INTEGRATED TECHNOLOGY, INC.Inventors: Chao-Yi YEH, Jyh-Long CHERN, Wen-Jang JIANG
-
Patent number: D619550Type: GrantFiled: October 26, 2009Date of Patent: July 13, 2010Assignee: Foxsemicon Integrated Technology, Inc.Inventors: Jyh-Der Hwang, Chao-Yi Yeh, Shan-Ju Lin
-
Patent number: D623341Type: GrantFiled: March 12, 2010Date of Patent: September 7, 2010Assignee: Foxsemicon Integrated Technology, Inc.Inventor: Chao-Yi Yeh