Patents by Inventor Iok-Kan CHOI

Iok-Kan CHOI 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: 10884263
    Abstract: A head-mounted display and an imaging apparatus for displaying image thereof are provided. The imaging apparatus includes a first display, a second display, and a first focus adjusting apparatus. The first display generates a first sub-image; wherein the first sub-image is located on a first imaging plane, and is then projected to the target system. The second display generates a second sub-image; wherein the second sub-image is located on a second imaging plane, and is then projected to the target system. The first focus adjusting apparatus is in front of the second display, and is used to adjust the position of the second imaging plane. The first imaging surface and a second imaging surface are overlapped or non-overlapped.
    Type: Grant
    Filed: November 7, 2018
    Date of Patent: January 5, 2021
    Assignee: HTC Corporation
    Inventors: Iok Kan Choi, Po-Sen Yang, Yu-Heng Chen, Ling-Yi Ding
  • Patent number: 10852546
    Abstract: A head mounted display and a multiple depth imaging apparatus thereof are provided. The imaging apparatus includes a beam splitting device, a first display, a second display, a third display and a lens set. The beam splitting device has a first reflective surface, a second reflective surface and a transmissive surface. The first display projects a first image to the first reflective surface. The second display projects a second image to the transmissive surface. The third display projects a third image to the second reflective surface. The lens set is disposed between the beam splitting device and a target area. The first image, second image and third image are respectively imaging on a first imaging surface, a second imaging surface and a third imaging surface, and distances between the target area and the first, second and third imaging surfaces are different.
    Type: Grant
    Filed: November 7, 2018
    Date of Patent: December 1, 2020
    Assignee: HTC Corporation
    Inventors: Iok Kan Choi, Ling-Yi Ding, Yu-Heng Chen, Po-Sen Yang
  • Patent number: 10830875
    Abstract: An auxiliary apparatus for a lighthouse positioning system is provided. The lighthouse positioning system includes a first positioning base station and a second positioning base station, wherein the first positioning base station includes a first signal transmitter and a second signal transmitter and the second positioning base station includes a first signal transmitter and a second signal transmitter. The auxiliary apparatus calculates a first signal time sequence of the first signal transmitters, calculates a second signal time sequence of the second signal transmitters, and determines a third signal time sequence according to the first signal time sequence and the second signal time sequence. The third signal time sequence is not overlapped with the first signal time sequence and the second signal time sequence. The auxiliary apparatus transmits a plurality of signals according to the third signal time sequence.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: November 10, 2020
    Assignee: HTC CORPORATION
    Inventors: Iok-Kan Choi, Tsung-Han Wu, Kuang-Wei Lin
  • Patent number: 10816810
    Abstract: A head mounted display apparatus is provided, including a display, at least one image capturing device and an imaging device. The display provides a display image and projects the display image to a target region. The image capturing device is disposed adjacent to the display, and a camera lens of the image capturing device is oriented toward the target region. The imaging device is disposed between the target region and the display.
    Type: Grant
    Filed: October 14, 2019
    Date of Patent: October 27, 2020
    Assignee: HTC Corporation
    Inventors: Iok Kan Choi, Po-Sen Yang, Shiang-Ting Wan, Ling-Yi Ding
  • Publication number: 20200319460
    Abstract: A head mounted display apparatus is provided, including a display, at least one image capturing device and an imaging device. The display provides a display image and projects the display image to a target region. The image capturing device is disposed adjacent to the display, and a camera lens of the image capturing device is oriented toward the target region. The imaging device is disposed between the target region and the display.
    Type: Application
    Filed: October 14, 2019
    Publication date: October 8, 2020
    Applicant: HTC Corporation
    Inventors: Iok Kan Choi, Po-Sen Yang, Shiang-Ting Wan, Ling-Yi Ding
  • Publication number: 20200310124
    Abstract: A head mounted display device and a backlight apparatus are provided. The backlight apparatus is adapted for the head mounted display device. The backlight apparatus includes a light guiding component, a light source, and a prism structure. The light source is disposed on a side of the light guiding component. The prism structure has a first surface adjacent to a first surface of the light guiding component. There are a plurality of convex pyramids on the first surface of the prism structure. The pyramids are arranged in an array.
    Type: Application
    Filed: January 16, 2020
    Publication date: October 1, 2020
    Applicant: HTC Corporation
    Inventors: Iok Kan Choi, Po-Sen Yang, Shiang-Ting Wan, Yu-Heng Chen, Ling-Yi Ding
  • Publication number: 20200041806
    Abstract: A head-mounted display and an imaging apparatus for displaying image thereof are provided. The imaging apparatus includes a first display, a second display, and a first focus adjusting apparatus. The first display generates a first sub-image; wherein the first sub-image is located on a first imaging plane, and is then projected to the target system. The second display generates a second sub-image; wherein the second sub-image is located on a second imaging plane, and is then projected to the target system. The first focus adjusting apparatus is in front of the second display, and is used to adjust the position of the second imaging plane. The first imaging surface and a second imaging surface are overlapped or non-overlapped.
    Type: Application
    Filed: November 7, 2018
    Publication date: February 6, 2020
    Applicant: HTC Corporation
    Inventors: Iok Kan Choi, Po-Sen Yang, Yu-Heng Chen, Ling-Yi Ding
  • Publication number: 20200041792
    Abstract: A head mounted display and a multiple depth imaging apparatus thereof are provided. The imaging apparatus includes a beam splitting device, a first display, a second display, a third display and a lens set. The beam splitting device has a first reflective surface, a second reflective surface and a transmissive surface. The first display projects a first image to the first reflective surface. The second display projects a second image to the transmissive surface. The third display projects a third image to the second reflective surface. The lens set is disposed between the beam splitting device and a target area. The first image, second image and third image are respectively imaging on a first imaging surface, a second imaging surface and a third imaging surface, and distances between the target area and the first, second and third imaging surfaces are different.
    Type: Application
    Filed: November 7, 2018
    Publication date: February 6, 2020
    Applicant: HTC Corporation
    Inventors: Iok Kan Choi, Ling-Yi Ding, Yu-Heng Chen, Po-Sen Yang
  • Patent number: 10469976
    Abstract: A wearable electronic device includes a microphone array, stereo speakers and a control circuit. The microphone array is configured for sensing an environmental sound. The control circuit is coupled to the microphone array and the speaker. The control circuit is operable to calculate a distance and a directional angle from a source of the environmental sound to the wearable electronic device according to the environmental sound sensed by the microphone array, to generate an effect sound corresponding to the environmental sound, to process the effect sound for simulating the effect sound to be originated from a virtual location with the distance and the directional angle relative to the wearable electronic device, and to broadcast the processed effect sound through the pair of speakers.
    Type: Grant
    Filed: April 5, 2017
    Date of Patent: November 5, 2019
    Assignee: HTC Corporation
    Inventors: Tz-Chian Lin, Iok-Kan Choi, Chun-Min Liao
  • Patent number: 10015370
    Abstract: A method for audio-video synchronization in a virtual reality (VR) system is provided. The VR system includes a VR device and a host device. The method includes the steps of: connecting the VR device to a host device via a data transmission interface; transmitting an audio signal and a video signal from the host device to the VR device; estimating time delay information in an audio transmission path and a video transmission path of the VR device; transmitting a feedback signal recording the time delay information from the VR device to the host device; and adjusting timing of the audio signal or the video signal transmitted from the host device to the VR device according to the feedback signal.
    Type: Grant
    Filed: July 28, 2016
    Date of Patent: July 3, 2018
    Assignee: HTC CORPORATION
    Inventors: Mong-Yu Tseng, Iok-Kan Choi, Jing-Lung Wu
  • Publication number: 20180113199
    Abstract: An auxiliary apparatus for a lighthouse positioning system is provided. The lighthouse positioning system includes a first positioning base station and a second positioning base station, wherein the first positioning base station includes a first signal transmitter and a second signal transmitter and the second positioning base station includes a first signal transmitter and a second signal transmitter. The auxiliary apparatus calculates a first signal time sequence of the first signal transmitters, calculates a second signal time sequence of the second signal transmitters, and determines a third signal time sequence according to the first signal time sequence and the second signal time sequence. The third signal time sequence is not overlapped with the first signal time sequence and the second signal time sequence. The auxiliary apparatus transmits a plurality of signals according to the third signal time sequence.
    Type: Application
    Filed: October 20, 2017
    Publication date: April 26, 2018
    Inventors: Iok-Kan CHOI, Tsung-Han WU, Kuang-Wei LIN
  • Publication number: 20180101990
    Abstract: Present disclosure relates to a system for providing a simulated environment and a method thereof. The system comprises a first wearable device, a second wearable device and a computing device. The first wearable device is configured to output a scenario of the simulated environment and to output a first audio. The second wearable device is configured to collect an environmental sound around the second wearable device and send out the sound. The computing device is configured to merge the sound into the first audio according to an index and send the merged first audio to the first wearable device, wherein the index is determined by a relative distance and a relative direction between coordinates being assigned to the first wearable device and the second wearable device in the simulated environment.
    Type: Application
    Filed: September 27, 2017
    Publication date: April 12, 2018
    Inventors: Hung-Yi YANG, Iok-Kan CHOI
  • Patent number: 9881422
    Abstract: A virtual reality system is provided. The virtual reality system includes a host device, a transmission cable, and a head mounted display apparatus worn by a user and coupled to the host device via the transmission cable. The head mounted display apparatus includes a multimedia module, a multi-sensing module, and a peripheral hub. The multimedia module receives multimedia content from the host device via the transmission cable, and displays a video part of the multimedia content. The multi-sensing module obtains sensing information regarding the head mounted display apparatus, the user and an obstruction. The peripheral hub provides the sensing information to the host device via the transmission cable. At least one virtual object of the video part of the multimedia content is adjusted in response to the sensing information.
    Type: Grant
    Filed: November 17, 2015
    Date of Patent: January 30, 2018
    Assignee: HTC CORPORATION
    Inventors: Wei-Chih Chang, Mong-Yu Tseng, Iok-Kan Choi, Wan-Ju Tseng, Jing-Lung Wu
  • Publication number: 20170332187
    Abstract: A wearable electronic device includes a microphone array, stereo speakers and a control circuit. The microphone array is configured for sensing an environmental sound. The control circuit is coupled to the microphone array and the speaker. The control circuit is operable to calculate a distance and a directional angle from a source of the environmental sound to the wearable electronic device according to the environmental sound sensed by the microphone array, to generate an effect sound corresponding to the environmental sound, to process the effect sound for simulating the effect sound to be originated from a virtual location with the distance and the directional angle relative to the wearable electronic device, and to broadcast the processed effect sound through the pair of speakers.
    Type: Application
    Filed: April 5, 2017
    Publication date: November 16, 2017
    Inventors: Tz-Chian LIN, Iok-Kan CHOI, Chun-Min LIAO
  • Publication number: 20170289517
    Abstract: A method and a display system for adjusting an output image of at least one of a first panel and a second panel are provided. The method includes obtaining a first output image for the first panel and a second output image for the second panel, determining a first calibration data applied to the first output image and not applicable to the second output image according to a first target information, and adjusting at least one of a luminance and a chromaticity of the first output image according to the first calibration data.
    Type: Application
    Filed: December 29, 2016
    Publication date: October 5, 2017
    Applicant: HTC Corporation
    Inventors: Shiang-Ting WAN, Iok Kan CHOI, Hong-Ming KUO
  • Publication number: 20170064154
    Abstract: A method for audio-video synchronization in a virtual reality (VR) system is provided. The VR system includes a VR device and a host device. The method includes the steps of: connecting the VR device to a host device via a data transmission interface; transmitting an audio signal and a video signal from the host device to the VR device; estimating time delay information in an audio transmission path and a video transmission path of the VR device; transmitting a feedback signal recording the time delay information from the VR device to the host device; and adjusting timing of the audio signal or the video signal transmitted from the host device to the VR device according to the feedback signal.
    Type: Application
    Filed: July 28, 2016
    Publication date: March 2, 2017
    Applicant: HTC Corporation
    Inventors: Mong-Yu TSENG, Iok-Kan CHOI, Jing-Lung WU
  • Publication number: 20160163110
    Abstract: A virtual reality system is provided. The virtual reality system includes a host device, a transmission cable, and a head mounted display apparatus worn by a user and coupled to the host device via the transmission cable. The head mounted display apparatus includes a multimedia module, a multi-sensing module, and a peripheral hub. The multimedia module receives multimedia content from the host device via the transmission cable, and displays a video part of the multimedia content. The multi-sensing module obtains sensing information regarding the head mounted display apparatus, the user and an obstruction. The peripheral hub provides the sensing information to the host device via the transmission cable. At least one virtual object of the video part of the multimedia content is adjusted in response to the sensing information.
    Type: Application
    Filed: November 17, 2015
    Publication date: June 9, 2016
    Applicant: HTC CORPORATION
    Inventors: Wei-Chih CHANG, Mong-Yu TSENG, Iok-Kan CHOI, Wan-Ju TSENG, Jing-Lung WU