Patents by Inventor Chang-Jung Lee

Chang-Jung Lee 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).

  • Publication number: 20170029134
    Abstract: A control method for an unmanned aerial vehicle (UAV) is provided. The method includes: obtaining, from a depth-sensing camera, images of a surface below the unmanned aerial vehicle; obtaining, from a gyroscope, current pitch angle of the unmanned aerial vehicle; determining, at the unmanned aerial vehicle, a current altitude of the unmanned aerial vehicle based on the images and the current pitch angle; determining, at the unmanned aerial vehicle, whether the current altitude of the unmanned aerial vehicle is less than a predefined value; and controlling, at the unmanned aerial vehicle, a drive unit to rotate so as to cause the unmanned aerial vehicle to slow down in a balanced condition if the current altitude of the unmanned aerial vehicle is less than a predefined value.
    Type: Application
    Filed: July 29, 2015
    Publication date: February 2, 2017
    Inventors: HOU-HSIEN LEE, CHANG-JUNG LEE, CHIH-PING LO
  • Publication number: 20170032172
    Abstract: In a method for splicing images of an electronic device, images of users are acquired from a storage system of the electronic device. The method identifies eye states of the users in the images. An image combination with eyes of all the users opened is determined from the images based on the eyes states. A primary image is determined from the image combination. The method replaces closed eyes of each primary image with opened eyes of one or more other images of the image combination. The primary image is displayed on a display screen of the electronic device.
    Type: Application
    Filed: July 29, 2015
    Publication date: February 2, 2017
    Inventors: HOU-HSIEN LEE, CHANG-JUNG LEE, CHIH-PING LO
  • Publication number: 20170025014
    Abstract: In a driving assistance method executed in a vehicle, at least one image behind the vehicle is captured. A distance between the vehicle and an object presented in the image is calculated according to the image. If the object is within a predefined safe distance from the vehicle, an alarm is generated that is outside the vehicle and directed at the object.
    Type: Application
    Filed: July 24, 2015
    Publication date: January 26, 2017
    Inventors: HOU-HSIEN LEE, CHANG-JUNG LEE, CHIH-PING LO
  • Publication number: 20170015245
    Abstract: A vehicle warning system includes a device containing camera, a determining unit coupled to the camera, and an executing unit coupled to the determining unit. The camera is located on the device on a vehicle and obtains images of a scene including depth perception. The determining unit compares data of a current 3D image with characteristic data of a 3D surroundings module and determines whether pedestrians appear in the current 3D image. The executing unit turns on an alarm system of the vehicle device when pedestrian is within a certain distance of the vehicle and obstructs the vehicle. The disclosure further offers a vehicle warning method.
    Type: Application
    Filed: July 29, 2015
    Publication date: January 19, 2017
    Inventors: HOU-HSIEN LEE, CHANG-JUNG LEE, CHIH-PING LO
  • Publication number: 20170004617
    Abstract: A method for capturing images of different aspects of a test sample uses an electronic device. The electronic device is in communication with a detection device which provides a light source and a camera unit checking for surface flaws. A horizontal rotation platform of the detection device is controlled to locate to an initial position, and an inclination device of the detection device is controlled to locate to a horizontal position. The horizontal rotation platform rotates horizontally and the inclined device rotates vertically after activating the camera unit and the light source. The test sample is presented at different angles while images of the test sample are obtained.
    Type: Application
    Filed: July 9, 2015
    Publication date: January 5, 2017
    Inventors: HOU-HSIEN LEE, CHANG-JUNG LEE, CHIH-PING LO
  • Publication number: 20170002593
    Abstract: An impact reducing device applied to a door or window which is closing includes a depth-sensing camera, an impact reducing system, and an impact reducing unit. The depth-sensing camera captures images of a target constantly, and obtains Z depth information of the target. The impact reducing system determines whether the target is going to close according to the Z depth information and controls the impact reducing unit to provide a resistance such as a strong jet of air when the target is going to close, to reduce violent impacts.
    Type: Application
    Filed: July 29, 2015
    Publication date: January 5, 2017
    Inventors: HOU-HSIEN LEE, CHANG-JUNG LEE, CHIH-PING LO
  • Publication number: 20170006212
    Abstract: An electronic device achieving multi-point focus of a scene includes a digital camera, a depth-sensing camera, at least one processor, a storage device, a display device, and a multi-point focus system. The system receives one or more points designated by a user from an image of a scene previewed by the digital camera, and analyzes the one or more designated objects to be focused. Distances between the digital camera and each designated object to be focused are determined and the digital camera adjusts a focal length according to each distance. Images of the same scene at each focal length are captured and the images captured by the digital camera are processed to generate a new image which includes all of focus objects. The new image is output through the display device.
    Type: Application
    Filed: July 29, 2015
    Publication date: January 5, 2017
    Inventors: HOU-HSIEN LEE, CHANG-JUNG LEE, CHIH-PING LO
  • Patent number: 9536298
    Abstract: Method for detecting a surface flaw of an object using an electronic device includes requesting a detection device to control a camera unit to capture a current image of a test object placed on the detection device. The current image includes a sidewall image and a reflected image. The method obtains the current image, and detects whether the sidewall image has a surface flaw. When the sidewall image has a surface flaw, a rotation angle of the test object is determined based on the reflected image. The method obtains a standard sidewall image of a standard object stored in a storage device of the electronic device, based on the rotation angle, compares the sidewall image with the standard sidewall image, and determines and displays a position of the surface flaw on a sidewall of the test object based on the comparison.
    Type: Grant
    Filed: July 18, 2014
    Date of Patent: January 3, 2017
    Assignee: Shenzhen Airdrawing Technology Service Co., Ltd
    Inventors: Hou-Hsien Lee, Chang-Jung Lee, Chih-Ping Lo
  • Patent number: 9538170
    Abstract: A camera lens cleaning system includes a camera, a cleaning device, a processing unit, and an executing unit configured to move the color testing disk and the cleaning device. The camera is used to capture a plurality of different color images of a color testing disk located below the camera. The processing unit is used to process every adjacent two different color images to obtain a difference color value; thereby the processing unit compares the different color value with a reference color value to determine whether dirt is located on a camera lens of the camera. When the dirt is located on the camera lens, the executing unit is configured to move the cleaning device to clean the camera lens. The disclosure further offers a camera lens cleaning method.
    Type: Grant
    Filed: September 8, 2015
    Date of Patent: January 3, 2017
    Assignee: HON HAI PRECISION CO., LTD.
    Inventors: Hou-Hsien Lee, Chang-Jung Lee, Chih-Ping Lo
  • Publication number: 20160378079
    Abstract: A method of controlling one or more electrical devices includes controlling a camera device to capture an image of a user. An eye area of the user in the image is identified. Once the user has been determined to have closed eyes for a predetermined time duration according to the eye area in the image, power of the one or more electrical devices is turned off via a controller, that is electrically connected to the one or more electrical devices.
    Type: Application
    Filed: June 24, 2015
    Publication date: December 29, 2016
    Inventors: HOU-HSIEN LEE, CHANG-JUNG LEE, CHIH-PING LO
  • Publication number: 20160375339
    Abstract: A method for adjusting a working state of an electronic device includes setting a reasonable value range of feature data of a user, and acquiring current feature data of the user from the camera device. The current feature data is compared to the reasonable value range of feature data. A working state of the electronic device is changed when the current feature data is out of the reasonable value range of feature data.
    Type: Application
    Filed: June 26, 2015
    Publication date: December 29, 2016
    Inventors: HOU-HSIEN LEE, CHANG-JUNG LEE, CHIH-PING LO
  • Patent number: 9497378
    Abstract: In a method for controlling the operation of cooking equipment, executed by at least one processor of an electronic device, the electronic device communicate with cooking equipment and a camera device that creates height value. The method including setting the camera device to detect an area of a container positioned on the cooking equipment, a liquid concentration of liquid in the container is set, height values between the camera device and a surface of the liquid, in a Z axis direction corresponding to a direction that is parallel to a direction between the camera device and the surface, from the camera device is acquired, a height difference between a maximum height value and a minimum height value is calculated, and when the height value difference is more than a preset standard value, a heat reduction unit of the cooking equipment is controlled to change a working state.
    Type: Grant
    Filed: July 9, 2015
    Date of Patent: November 15, 2016
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Hou-Hsien Lee, Chang-Jung Lee, Chih-Ping Lo
  • Patent number: 9477229
    Abstract: A control method for an unmanned aerial vehicle (UAV) is provided. The UAV includes an accelerometer, a gyroscope, at least one drive unit and at least one rotor. The method includes: detecting current motion data from the accelerometer, wherein the motion data includes displacement of the UAV; determining whether the UAV is thrown up based on the motion data; detecting current ascending velocity of the UAV; determining whether the current ascending velocity of the UAV is substantially equal to zero; detecting current pitch angle and current angular velocity from the gyroscope if the current ascending velocity of the UAV is substantially equal to zero; calculating drive data based on the current pitch angle and current angular velocity; and enabling the at least one drive unit to drive at least one rotor to rotate so as to cause the UAV to hover evenly.
    Type: Grant
    Filed: July 7, 2015
    Date of Patent: October 25, 2016
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Hou-Hsien Lee, Chang-Jung Lee, Chih-Ping Lo
  • Patent number: 9463953
    Abstract: A control system for elevators includes a capture apparatus, a processor and a storage apparatus. The capture apparatus captures images of each floor. The processor performs human detection on images of each floor to calculate the number of waiting passengers of each floor. The processor further calculates waiting time of each floor. The processor calculates weight of each floor based on the number of the waiting passengers and waiting time, and controls the elevator to the floor with maximum weight.
    Type: Grant
    Filed: July 17, 2014
    Date of Patent: October 11, 2016
    Assignee: Shenzhen Airdrawing Technology Service Co., Ltd
    Inventors: Hou-Hsien Lee, Chang-Jung Lee, Chih-Ping Lo
  • Patent number: 9332231
    Abstract: In a method for monitoring safe driving of a vehicle, the method obtains a current image captured by an image capturing device positioned on an outside sideview mirror of the vehicle, determines a horizontal distance and a vertical distance between each pixel point in the current image and the lens of image capturing device, and selects a reference point from first specified pixel points whose horizontal distances are less than a first preset value. The method further determines second specified pixel points whose vertical distances are less than or equal to a second preset value based on the reference point, to obtains a processed image based on the second specified pixel points, and displays the processed image on an inside rearview mirror of the vehicle.
    Type: Grant
    Filed: October 31, 2013
    Date of Patent: May 3, 2016
    Assignee: Zijilai Innovative Services Co., Ltd.
    Inventors: Hou-Hsien Lee, Chang-Jung Lee, Chih-Ping Lo
  • Patent number: 9211903
    Abstract: A smart stroller includes at least one armrest, a processor, a flexible touch sensor, an acceleration sensor, and an automatic brake unit. The flexible touch sensor detects whether the at least one armrest is grasping by a person; if no, the processor controls the acceleration sensor to detect whether the smart stroller is moving. If the processor determines that the armrest is not grasped by the person and the smart stroller is moving, the processor control the at least one automatic brake unit to block the smart strolling to stop the smart stroller from moving.
    Type: Grant
    Filed: September 10, 2014
    Date of Patent: December 15, 2015
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Hou-Hsien Lee, Chang-Jung Lee, Chih-Ping Lo
  • Patent number: 9207655
    Abstract: In a method for stabilization of an object using an electronic stabilizer device, which includes an electric gyroscope, a driver device and a counterweight device. The method measures orientation data of the object using the electric gyroscope, analyzes the orientation data of the object to obtain a current obliquity of the object, and generates a first control signal to drive the driver device according to the current obliquity when the current obliquity is equal to a reference angle. The method controls the counterweight device to change a center of gravity of the object through the driver device, and measures an adjusted obliquity of the object using the electric gyroscope. The method generates a second control signal to drive the driver device when the adjusted obliquity changes, and controls the counterweight device to dynamically adjust the center of gravity of the object.
    Type: Grant
    Filed: October 10, 2012
    Date of Patent: December 8, 2015
    Assignees: Patentcloud Corporation, Patentcloud Co. Limited
    Inventors: Hou-Hsien Lee, Chang-Jung Lee, Chih-Ping Lo
  • Patent number: 9153019
    Abstract: In a method for closely monitoring a state of a lamp using an electronic device, a plurality of images of the lamp are captured by an image capturing unit of the lamp and a specified number of captured images are sampled. A luminance value of each of the sampled images is calculated to determine a state of the lamp, the possible states of the lamp including a normal state and an abnormal state. The lamp is marked or indicated accordingly on a monitoring interface when the lamp is in the abnormal state.
    Type: Grant
    Filed: August 12, 2013
    Date of Patent: October 6, 2015
    Assignee: ShenZhen Goldsun Network Intelligence Technology Co., Ltd.
    Inventors: Hou-Hsien Lee, Chang-Jung Lee, Chih-Ping Lo
  • Patent number: 9088698
    Abstract: An electronic device receives an image of a monitored area captured a pan-tilt-zoom (PTZ) camera. When the electronic device rotates, rotation information of the electronic device relative to a previous position state of the electronic device is detected by an electronic gyroscope. The electronic device converts the rotation information of the electronic device into rotation information of a lens of the PTZ camera relative to a present position of the lens according to preset association, generates a first control command according to rotation information of the lens, and control the lens of the PTZ camera to move from the present position to a new position according to the first control command. The electronic device receives a new image of the monitored area that is captured by the lens of the PTZ camera at the new position.
    Type: Grant
    Filed: August 10, 2012
    Date of Patent: July 21, 2015
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Hou-Hsien Lee, Chang-Jung Lee, Chih-Ping Lo
  • Publication number: 20150183465
    Abstract: Exemplary vehicle assistance method includes obtaining a number of continuous images of a scene. The method creates a number of 3D models of the scene corresponding to the obtained images of the scene. The method can determine a turning direction according to the operation on an input unit, and comparing the created 3D models of scene with stored preset 3D models of the special movable objects to determine whether one or more movable objects exist behind the turning direction of a vehicle. The method determines a speed of one movable object when one or more movable objects exist behind the turning direction of the vehicle. The method then determines a turning angle of the vehicle. The method controls a driving unit to drive a limiting unit to limit a largest turning angle of two front wheels as the determined turning angle of the vehicle.
    Type: Application
    Filed: April 25, 2014
    Publication date: July 2, 2015
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: HOU-HSIEN LEE, CHANG-JUNG LEE, CHIH-PING LO