Patents by Inventor Chao Shih
Chao Shih 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: 20230097355Abstract: A three-dimensional gesture detection device and a three-dimensional gesture detection method are provided. The three-dimensional gesture detection device includes a node detection unit, a gesture recognition model and a gesture trajectory detection unit. The node detection unit obtains several nodes according to each of the hand frames of a continuous hand image. The gesture recognition model obtains confidence levels of several gesture categories. The gesture trajectory detection unit includes a weight analyzer, a gesture analyzer, a key point classifier and a trajectory analyzer. The weight analyzer obtains weights of the gesture categories through a user interface. The gesture analyzer performs a weighting calculation on the confidence levels of the gesture categories to analyze a gesture on each of the hand frames. The key point classifier classifies several key points from the nodes. The trajectory analyzer obtains an inertial trajectory of the gesture according to the key points.Type: ApplicationFiled: August 19, 2022Publication date: March 30, 2023Applicant: Acer IncorporatedInventors: Shih-Ting HUANG, Chao-Shih HUANG
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Patent number: 11526013Abstract: A wearable display device is provided, including a first optical waveguide lens and a first projection assembly. The first optical waveguide lens has a first area and a second area. The first projection assembly disposed on the first optical waveguide lens projects a plurality of lights and includes a first light projector and a second light projector. The first and second light projectors are disposed in different positions on the first optical waveguide lens in the first direction, and the first light projector and the second light projector do not overlap in the second direction, wherein the first direction and the second direction are not parallel. The first light projector projects a first light to the first area, and the second light projector projects a second light to the second area, and the first light does not overlap with the second light in the second direction.Type: GrantFiled: April 10, 2020Date of Patent: December 13, 2022Assignee: ACER INCORPORATEDInventor: Chao-Shih Huang
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Publication number: 20220373619Abstract: The present invention provides an electric current sensor comprising a substrate and MR sensing circuit. The substrate has a first surface along a first axis and a second axis. The MR sensing circuit is utilized to detect a magnetic filed about a third axis. The MR sensing circuit is formed onto the first surface and has a plurality of MR sensor pairs. Each MR sensor in each MR sensor pair has a plurality of conductive structures, wherein the conductive structures of one MR sensor are symmetrically arranged. Alternatively, the present invention provides an electric current sensing device using a pair of electric sensors symmetrically arranged at two lateral sides of a conductive wire having an electric current flowing therethrough for eliminating the magnetic field along Z axis generated by external environment.Type: ApplicationFiled: May 3, 2022Publication date: November 24, 2022Inventors: Nai-Chung Fu, Chien-He Hou, Chih-Chao Shih, Fu-Tai Liou
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Patent number: 11457203Abstract: A display apparatus and an operation method thereof are provided. The display apparatus includes a 3D display module, a camera, and a processing circuit coupled to the 3D display module and the camera. The camera is configured to shoot a viewing field of the 3D display module to generate a photo. The processing circuit is configured to output an image stream to the 3D display module to display a screen, and recognize the photo to obtain a face direction and a sight direction of a person in the viewing field. The processing circuit determines whether to enable a vestibulo-ocular reflex (VOR) compensation mode for the image stream according to the face direction and the sight direction.Type: GrantFiled: February 23, 2021Date of Patent: September 27, 2022Assignee: Acer IncorporatedInventors: Shih-Ting Huang, Chao-Shih Huang
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Patent number: 11380071Abstract: An augmented reality system and a display method for anchoring a virtual object thereof are provided. An image sequence is captured from an electronic equipment through an image capturing device on a head-mounted device. The image sequence includes an ith and an (i+1)th environmental image. The electronic equipment includes a component device. A feature matching operation is performed on the ith environmental image and a first template image to obtain a matching result. In response to the matching result meeting a preset condition, a second template image extending from a matching image block of the component device is captured from the ith environmental image. A feature matching operation is performed on the (i+1)th environmental image and the second template image to display a virtual object through the head-mounted device according to another matching result. The virtual object is displayed as being anchored to the electronic equipment in a real scene.Type: GrantFiled: December 17, 2020Date of Patent: July 5, 2022Assignee: Acer IncorporatedInventor: Chao-Shih Huang
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Publication number: 20220208037Abstract: The disclosure provides a display driving device and an operation method thereof. The display driving device includes a timing controller circuit and a driving circuit. The timing controller circuit performs oblique filter processing on an original image frame by an oblique filter with an oblique filter mask matrix to generate a processed image frame. The oblique filter comprises an oblique high-pass filter or a smoothing filter. Original pixel data of a current pixel in the original image frame is replaced with new pixel data when the oblique filter mask matrix is configured for the current pixel. The driving circuit drives a display panel module according to the processed image frame. The display panel module includes a tilt lenticular lens layer having a first tilt angle. A second tilt angle of the oblique filter mask matrix of the oblique filter processing corresponds to the first tilt angle.Type: ApplicationFiled: March 2, 2022Publication date: June 30, 2022Applicant: Acer IncorporatedInventors: Jui-Lin Chen, Chao-Shih Huang
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Publication number: 20220201276Abstract: A naked eye stereoscopic display and a control method thereof are provided. The control method of a naked eye stereoscopic display includes the following steps. An effective image width of one eye is obtained. The eye is tracked to obtain an eye movement vector, a movement speed vector and a moving acceleration vector. A correction vector is obtained according to the effective image width, the movement speed vector and the moving acceleration vector. The eye movement vector is corrected according to the correction vector. An image position of a monocular image at several pixels is corrected according to the eye movement vector, which is corrected.Type: ApplicationFiled: November 24, 2021Publication date: June 23, 2022Applicant: Acer IncorporatedInventors: Yen-Hsien LI, Shih-Ting HUANG, Chao-Shih HUANG
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Patent number: 11308830Abstract: The disclosure provides a display driving device and an operation method thereof. The display driving device includes a timing controller circuit and a driving circuit. The timing controller circuit performs oblique filter processing on an original image frame to generate a processed image frame. The driving circuit is coupled to the timing controller circuit to receive the processed image frame. The driving circuit drives a display panel module according to the processed image frame. The display panel module includes a tilt lenticular lens layer having a first tilt angle. A second tilt angle of a filter mask of the oblique filter processing corresponds to the first tilt angle.Type: GrantFiled: March 16, 2021Date of Patent: April 19, 2022Assignee: Acer IncorporatedInventors: Jui-Lin Chen, Chao-Shih Huang
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Publication number: 20220103805Abstract: A display apparatus and an operation method thereof are provided. The display apparatus includes a 3D display module, a camera, and a processing circuit coupled to the 3D display module and the camera. The camera is configured to shoot a viewing field of the 3D display module to generate a photo. The processing circuit is configured to output an image stream to the 3D display module to display a screen, and recognize the photo to obtain a face direction and a sight direction of a person in the viewing field. The processing circuit determines whether to enable a vestibulo-ocular reflex (VOR) compensation mode for the image stream according to the face direction and the sight direction.Type: ApplicationFiled: February 23, 2021Publication date: March 31, 2022Applicant: Acer IncorporatedInventors: Shih-Ting Huang, Chao-Shih Huang
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Publication number: 20220058877Abstract: An augmented reality system and a display method for anchoring a virtual object thereof are provided. An image sequence is captured from an electronic equipment through an image capturing device on a head-mounted device. The image sequence includes an ith and an (i+1)th environmental image. The electronic equipment includes a component device. A feature matching operation is performed on the ith environmental image and a first template image to obtain a matching result. In response to the matching result meeting a preset condition, a second template image extending from a matching image block of the component device is captured from the ith environmental image. A feature matching operation is performed on the (i+1)th environmental image and the second template image to display a virtual object through the head-mounted device according to another matching result. The virtual object is displayed as being anchored to the electronic equipment in a real scene.Type: ApplicationFiled: December 17, 2020Publication date: February 24, 2022Applicant: Acer IncorporatedInventor: Chao-Shih Huang
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Publication number: 20220058887Abstract: An augmented reality system and an anchor display method thereof are provided. An environmental image is captured by an image capturing device disposed on a head-mounted device. A reference image block in the environmental image that matches a display image on a display is detected by performing feature matching between the environmental image and the display image. Position information of the reference image block in the environmental image is obtained. Depth information of the display is obtained according to an actual screen size of the display and a block size of the reference image block in the environmental image. At least one virtual object is displayed by the head-mounted device according to the position information and the depth information. The at least one virtual object is displayed as being anchored to at least one screen bezel of the display.Type: ApplicationFiled: November 3, 2021Publication date: February 24, 2022Applicant: Acer IncorporatedInventor: Chao-Shih Huang
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Patent number: 11205309Abstract: An augmented reality system and an anchor display method thereof are provided. An environmental image is captured by an image capturing device disposed on a head-mounted device. A reference image block in the environmental image that matches a display image on a display is detected by performing feature matching between the environmental image and the display image. Position information of the reference image block in the environmental image is obtained. Depth information of the display is obtained according to an actual screen size of the display and a block size of the reference image block in the environmental image. At least one virtual object is displayed by the head-mounted device according to the position information and the depth information. The at least one virtual object is displayed as being anchored to at least one screen bezel of the display.Type: GrantFiled: September 15, 2020Date of Patent: December 21, 2021Assignee: Acer IncorporatedInventor: Chao-Shih Huang
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Patent number: 11189238Abstract: A display device receiving image data generated by an image generator and including a first memory, a second memory, a selection circuit, a timing controller, and a display panel is provided. The first memory is configured to store first display data. The second memory is configured to store second display data. The second memory is disposed independent of the first memory. The selection circuit selects either the first display data or the second display data to serve as specific data based on a first selection signal. The timing controller generates the first selection signal according to the voltage level of a specific pin and provides the specific data to the image generator. The image generator generates the image data according to the specific data. The display panel displays an image based on the image data.Type: GrantFiled: September 17, 2020Date of Patent: November 30, 2021Assignee: ACER INCORPORATEDInventors: Yi-Chang Lai, Chih-Chiang Chen, Hsu-Hsiang Tseng, Chao-Shih Huang
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Publication number: 20210350633Abstract: An augmented reality system and an anchor display method thereof are provided. An environmental image is captured by an image capturing device disposed on a head-mounted device. A reference image block in the environmental image that matches a display image on a display is detected by performing feature matching between the environmental image and the display image. Position information of the reference image block in the environmental image is obtained. Depth information of the display is obtained according to an actual screen size of the display and a block size of the reference image block in the environmental image. At least one virtual object is displayed by the head-mounted device according to the position information and the depth information. The at least one virtual object is displayed as being anchored to at least one screen bezel of the display.Type: ApplicationFiled: September 15, 2020Publication date: November 11, 2021Applicant: Acer IncorporatedInventor: Chao-Shih Huang
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Publication number: 20210256917Abstract: A display device receiving image data generated by an image generator and including a first memory, a second memory, a selection circuit, a timing controller, and a display panel is provided. The first memory is configured to store first display data. The second memory is configured to store second display data. The second memory is disposed independent of the first memory. The selection circuit selects either the first display data or the second display data to serve as specific data based on a first selection signal. The timing controller generates the first selection signal according to the voltage level of a specific pin and provides the specific data to the image generator. The image generator generates the image data according to the specific data. The display panel displays an image based on the image data.Type: ApplicationFiled: September 17, 2020Publication date: August 19, 2021Inventors: Yi-Chang LAI, Chih-Chiang CHEN, Hsu-Hsiang TSENG, Chao-Shih HUANG
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Patent number: 11086394Abstract: A gaming cabin includes a display device, an adjustable chair, a degree-of-freedom adjusting device, a situation simulator, and a system end. The degree-of-freedom adjusting device is configured to provide three degrees of freedom for the display device along the vertical axis, along the horizontal axis and yaw, as well as provide automatic view-switching and surround sound control. The system end is configured to adjust the resolution of the display device using foveated rendering technique, thereby increasing system efficiency. The situation simulator is configured to provide visual, olfactory, tactile or impact effect during VR applications.Type: GrantFiled: July 16, 2019Date of Patent: August 10, 2021Assignee: ACER INCORPORATEDInventors: Jia-Yu Lin, Chao-Shih Huang, Chih-Chiang Chen
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Publication number: 20210199966Abstract: A wearable display device is provided, including a first optical waveguide lens and a first projection assembly. The first optical waveguide lens has a first area and a second area. The first projection assembly disposed on the first optical waveguide lens projects a plurality of lights and includes a first light projector and a second light projector. The first and second light projectors are disposed in different positions on the first optical waveguide lens in the first direction, and the first light projector and the second light projector do not overlap in the second direction, wherein the first direction and the second direction are not parallel. The first light projector projects a first light to the first area, and the second light projector projects a second light to the second area, and the first light does not overlap with the second light in the second direction.Type: ApplicationFiled: April 10, 2020Publication date: July 1, 2021Inventor: Chao-Shih HUANG
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Publication number: 20200164270Abstract: A gaming cabin includes a display device, an adjustable chair, a degree-of-freedom adjusting device, a situation simulator, and a system end. The degree-of-freedom adjusting device is configured to provide three degrees of freedom for the display device along the vertical axis, along the horizontal axis and yaw, as well as provide automatic view-switching and surround sound control. The system end is configured to adjust the resolution of the display device using foveated rendering technique, thereby increasing system efficiency. The situation simulator is configured to provide visual, olfactory, tactile or impact effect during VR applications.Type: ApplicationFiled: July 16, 2019Publication date: May 28, 2020Inventors: Jia-Yu Lin, Chao-Shih Huang, Chih-Chiang Chen
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Patent number: 10642260Abstract: An early warning system includes functional equipment, a first monitor unit, a second monitor unit, a calculation unit and a warning unit. The functional equipment is used to perform a functional operation. The first monitor unit is used to monitor the functional equipment so as to obtain a set of first data during a first period. The second monitor unit is used to monitor the functional equipment to obtain a set of second data during the first period. The calculation unit is used to receive the set of first data and the set of second data, obtain a correlation coefficient according to the set of first data and the set of second data, and compare the correlation coefficient with a threshold value. The warning unit is linked to the calculation unit and used to send a warning signal when at least the correlation coefficient reaches the threshold value.Type: GrantFiled: July 4, 2017Date of Patent: May 5, 2020Assignee: TCC INFORMATION SYSTEMS CORP.Inventors: Chien-Chih Chang, Chun-Cheng Yu, Chao-Shih Chang
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Patent number: 10616568Abstract: A VST-HMD (Video See-Through Head Mounted Display) includes at least one camera, a first display device, a second display device, a first lens, a second lens, a first eye tracker, a second eye tracker, and a processor. The camera captures environmental image information. The first eye tracker detects left-eye motion information of a user. The second eye tracker detects right-eye motion information of the user. The processor determines an eye focus region of the user and depth information of the eye focus region according to the environmental image information, the left-eye motion information, and the right-eye motion information. The processor further monitors a displacement of the eye focus region and a change in the depth information, and accordingly determines whether to adjust image positions of the first display device and the second display device and/or focus of the camera.Type: GrantFiled: May 22, 2019Date of Patent: April 7, 2020Assignee: ACER INCORPORATEDInventors: Tzu-Chieh Lin, Chao-Shih Huang