Patents by Inventor En-Feng Hsu

En-Feng Hsu 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: 11003234
    Abstract: An electronic device includes: a sensing system having a first sensing device, for selectively detecting an object to generate a first detection result at a first frequency, wherein the first detection result indicates a state of motion of the object; a second sensing device for selectively detecting the object to generate a second detection result at a second frequency that is different from the first frequency, wherein the second detection result indicates whether the object is in a specific space; a light emitting device, for illuminating the object to make the first sensing device able to detect the state of motion of the object; and a control unit, coupled to the first sensing device and the second sensing device, for controlling operating states of the first sensing device and the second sensing device according to the first and the second detection results.
    Type: Grant
    Filed: October 4, 2019
    Date of Patent: May 11, 2021
    Assignee: PixArt Imaging Inc.
    Inventor: En-Feng Hsu
  • Patent number: 10979656
    Abstract: An imaging device including a condenser lens and an image sensor is provided. The image sensor is configured to sense light penetrating the condenser lens and includes a pixel matrix, an opaque layer, a plurality of microlenses and an infrared filter layer. The pixel matrix includes a plurality of infrared pixels, a plurality of first pixels and a plurality of second pixels. The opaque layer covers upon a first region of the first pixels and a second region of the second pixels, wherein the first region and the second region are mirror-symmetrically arranged in a first direction. The plurality of microlenses is arranged upon the pixel matrix. The infrared filter layer covers upon the infrared pixels.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: April 13, 2021
    Assignee: PIXART IMAGING INC.
    Inventors: Jung-Tai Lin, En-Feng Hsu
  • Patent number: 10976831
    Abstract: Glasses with gesture recognition function include a glasses frame and a gesture recognition system. The gesture recognition system is disposed on the glasses frame and configured to detect hand gestures in front of the glasses thereby generating a control command The gesture recognition system transmits the control command to an electronic device to correspondingly control the electronic device.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: April 13, 2021
    Assignee: PIXART IMAGING INC.
    Inventors: Horng-Goung Lai, En-Feng Hsu, Meng-Huan Hsieh, Yu-Hao Huang, Nien-Tse Chen
  • Publication number: 20210056288
    Abstract: An auxiliary filtering device for face recognition is provided. The auxiliary filtering device is used to exclude an ineligible object to be identified according to the relative relationship between object distances and image sizes, the image variation with time and/or the feature difference between images captured by different cameras to prevent the possibility of cracking the face recognition by using a photo or a video.
    Type: Application
    Filed: November 6, 2020
    Publication date: February 25, 2021
    Inventor: EN-FENG HSU
  • Publication number: 20210004565
    Abstract: There is provided an encoding and decoding method and an information recognition device using the same. A code block includes a center coding region and a peripheral coding region arranged around the center coding region. The encoding and decoding method uses the feature of at least one microdot included in the center coding region as codes. The encoding and decoding method uses the feature of at least one microdot included in the peripheral coding region as codes. The encoding and decoding method uses the relative feature between the center coding region and the peripheral coding region as codes. The information recognition device compares the read feature with pre-stored features to decode information such as position codes, object codes, parameter codes and control codes.
    Type: Application
    Filed: September 7, 2020
    Publication date: January 7, 2021
    Inventors: En-Feng Hsu, Shu-Sian Yang, Yi-Hsien Ko
  • Patent number: 10867161
    Abstract: An auxiliary filtering device for face recognition is provided. The auxiliary filtering device is used to exclude an ineligible object to be identified according to the relative relationship between object distances and image sizes, the image variation with time and/or the feature difference between images captured by different cameras to prevent the possibility of cracking the face recognition by using a photo or a video.
    Type: Grant
    Filed: September 6, 2017
    Date of Patent: December 15, 2020
    Assignee: PIXART IMAGING INC.
    Inventor: En-Feng Hsu
  • Patent number: 10836271
    Abstract: A charging system comprising: a charging apparatus; and at least one guiding apparatus, comprising at least one light emitting device provided in at least one target apparatus. The charging apparatus moves to a charging location according a light emitting state of the light emitting device, to charge the target apparatus. The charging apparatus further receives battery power information from the target apparatus via wireless communication.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: November 17, 2020
    Assignee: PixArt Imaging Inc.
    Inventors: En-Feng Hsu, Ting-Yang Chang
  • Patent number: 10816692
    Abstract: The present invention provides a package structure of an optical apparatus which includes a substrate, a light emitting device, a light sensing device, and a light barrier member. The light emitting device is disposed on the substrate and electrically connected to the substrate. The light emitting device is for emitting light. The light sensing device is disposed on the substrate and is a chip scale package (CSP) device. The light sensing device is for receiving light reflected by an object. The light barrier member is disposed around a periphery of the light sensing device.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: October 27, 2020
    Assignee: PIXART IMAGING INCORPORATION
    Inventors: En-Feng Hsu, Nien-Tse Chen
  • Patent number: 10803291
    Abstract: There is provided an encoding and decoding method and an information recognition device using the same. A code block includes a center coding region and a peripheral coding region arranged around the center coding region. The encoding and decoding method uses the feature of at least one microdot included in the center coding region as codes. The encoding and decoding method uses the feature of at least one microdot included in the peripheral coding region as codes. The encoding and decoding method uses the relative feature between the center coding region and the peripheral coding region as codes. The information recognition device compares the read feature with pre-stored features to decode information such as position codes, object codes, parameter codes and control codes.
    Type: Grant
    Filed: February 2, 2018
    Date of Patent: October 13, 2020
    Assignee: PIXART IMAGING INC.
    Inventors: En-Feng Hsu, Shu-Sian Yang, Yi-Hsien Ko
  • Publication number: 20200319716
    Abstract: The present invention provides a motion detecting system, which includes a light source module, a plurality of image sensors and a control unit. The light source module illuminates at least one object. The image sensors respectively detect the object under the light emitted by the light source module to generate a plurality of detection results. The control unit is coupled to the image sensors, and generates a control command according to the detection results.
    Type: Application
    Filed: June 23, 2020
    Publication date: October 8, 2020
    Inventors: SEN-HUANG HUANG, MING-TSAN KAO, EN-FENG HSU, YU-HAO HUANG, NIEN-TSE CHEN
  • Publication number: 20200273412
    Abstract: There is provided a portable electronic device including a backlight module, an ambient light sensor, a proximity sensor and a processing unit. The backlight module illuminates with backlight brightness. The ambient light sensor is configured to detect ambient light intensity. The proximity sensor is configured to detect an object. The processing unit is configured to activate the proximity sensor when the ambient light intensity detected by the ambient light sensor is lower than a predetermined value or decreases more than a predetermined range, and to maintain or reduce the backlight brightness according to a detection result of the proximity sensor. There is further provided an automatic detection method.
    Type: Application
    Filed: May 8, 2020
    Publication date: August 27, 2020
    Inventors: EN-FENG HSU, MENG-HUAN HSIEH
  • Patent number: 10755417
    Abstract: The present disclosure provides a detection system, which includes an image sensor, a lens device, and a processor. The image sensor is configured to take a first picture of a foreground object and a background object. The lens device is attached to the image sensor and configured to allow the foreground object to form a clear image on the first picture and the background object to form a blurred image on the first picture. The processor is configured to determine the image of the foreground object by analyzing the sharpness of the images of the first pictures.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: August 25, 2020
    Assignee: PIXART IMAGING INC.
    Inventor: En Feng Hsu
  • Patent number: 10747326
    Abstract: The present invention provides a motion detecting system, which includes a light source module, a plurality of image sensors and a control unit. The light source module illuminates at least one object. The image sensors respectively detect the object under the light emitted by the light source module to generate a plurality of detection results. The control unit is coupled to the image sensors, and generates a control command according to the detection results.
    Type: Grant
    Filed: December 5, 2013
    Date of Patent: August 18, 2020
    Assignee: PIXART IMAGING INC.
    Inventors: Sen-Huang Huang, Ming-Tsan Kao, En-Feng Hsu, Yu-Hao Huang, Nien-Tse Chen
  • Patent number: 10747995
    Abstract: There is provided a pupil tracking device including an active light source, an image sensor and a processing unit. The active light source emits light toward an eyeball alternatively in a first brightness value and a second brightness value. The image sensor captures a first brightness image corresponding to the first brightness value and a second brightness image corresponding to the second brightness value. The processing unit identifies a brightest region at corresponding positions of the first brightness image and the second brightness image as an active light image.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: August 18, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yu-Hao Huang, Ming-Tsan Kao, Yi-Fang Lee, En-Feng Hsu, Meng-Huan Hsieh, Nien-Tse Chen
  • Publication number: 20200195861
    Abstract: An imaging device including a condenser lens and an image sensor is provided. The image sensor is configured to sense light penetrating the condenser lens and includes a pixel matrix, an opaque layer, a plurality of microlenses and an infrared filter layer. The pixel matrix includes a plurality of infrared pixels, a plurality of first pixels and a plurality of second pixels. The opaque layer covers upon a first region of the first pixels and a second region of the second pixels, wherein the first region and the second region are mirror-symmetrically arranged in a first direction. The plurality of microlenses is arranged upon the pixel matrix. The infrared filter layer covers upon the infrared pixels.
    Type: Application
    Filed: February 26, 2020
    Publication date: June 18, 2020
    Inventors: JUNG-TAI LIN, EN-FENG HSU
  • Publication number: 20200195838
    Abstract: An imaging device including a pixel matrix and a processor is provided. The pixel matrix includes a plurality of phase detection pixels and a plurality of regular pixels. The processor performs autofocusing according to pixel data of the phase detection pixels, and determines an operating resolution of the regular pixels according to autofocused pixel data of the phase detection pixels, wherein the phase detection pixels are always-on pixels and the regular pixels are selectively turned on after the autofocusing is accomplished.
    Type: Application
    Filed: February 26, 2020
    Publication date: June 18, 2020
    Inventors: GUO-ZHEN WANG, REN-HAU GU, EN-FENG HSU
  • Patent number: 10685606
    Abstract: There is provided a portable electronic device including a backlight module, an ambient light sensor, a proximity sensor and a processing unit. The backlight module illuminates with backlight brightness. The ambient light sensor is configured to detect ambient light intensity. The proximity sensor is configured to detect an object. The processing unit is configured to activate the proximity sensor when the ambient light intensity detected by the ambient light sensor is lower than a predetermined value or decreases more than a predetermined range, and to maintain or reduce the backlight brightness according to a detection result of the proximity sensor. There is further provided an automatic detection method.
    Type: Grant
    Filed: January 7, 2020
    Date of Patent: June 16, 2020
    Assignee: PIXART IMAGING INC.
    Inventors: En-Feng Hsu, Meng-Huan Hsieh
  • Publication number: 20200174577
    Abstract: Glasses with gesture recognition function include a glasses frame and a gesture recognition system. The gesture recognition system is disposed on the glasses frame and configured to detect hand gestures in front of the glasses thereby generating a control command The gesture recognition system transmits the control command to an electronic device to correspondingly control the electronic device.
    Type: Application
    Filed: February 3, 2020
    Publication date: June 4, 2020
    Inventors: HORNG-GOUNG LAI, EN-FENG HSU, MENG-HUAN HSIEH, YU-HAO HUANG, NIEN-TSE CHEN
  • Publication number: 20200175704
    Abstract: A distance measurement device including a pixel array and a cover layer is provided. The cover layer is covered on the pixel array. The cover layer includes a first cover pattern covering on a first area of a plurality of first pixels and a second cover pattern covering on a second area of a plurality of second pixels. The first area and the second area are rectangles of mirror symmetry along a first direction.
    Type: Application
    Filed: February 6, 2020
    Publication date: June 4, 2020
    Inventors: EN-FENG HSU, CHIA-YU LIU
  • Publication number: 20200169804
    Abstract: A headset controller takes a first touch sensor, a second touch sensor, a first pressure sensor, and a second pressure sensor as a control medium for users. The headset controller can generate four different output instructions by the users touching or pressing the operating interface. The headset controller integrates various sensing methods to generate the needed output instructions.
    Type: Application
    Filed: January 29, 2020
    Publication date: May 28, 2020
    Inventors: JUNG-TAI LIN, EN-FENG HSU, HAN-CHANG LIN