Patents Assigned to Wistron Corp.
  • Patent number: 10712257
    Abstract: An inspection device is provided. The inspection device includes a platform, a cage, a holder and an image capturing module. The cage is disposed on the platform, wherein the cage includes a first transparent side and a second transparent side, and the first transparent side and the second transparent side are not coplanar. The holder is disposed in the cage. The image capturing module captures a first image from the first transparent side, and it captures a second image from the second transparent side.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: July 14, 2020
    Assignee: WISTRON CORP.
    Inventors: Yu-Jung Chu, Chen An Sung
  • Patent number: 10699107
    Abstract: An image detection method for determining the postures of a user includes: obtaining a plurality of images of a user; determining whether the user moves; and when the user is determined to be moving, calculating whether the amount of images is greater than a first predetermined value or not, calculating whether or not the amount of images of the user in the region of interest (ROI) is greater than a second predetermined value, and calculating whether or not the amount of images of the user not in the ROI is greater than a third predetermined value, in order to determine the postures of the user.
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: June 30, 2020
    Assignee: Wistron Corp.
    Inventors: Po Chun Chen, Yu-Ren Lai, Ching-An Cho, Kuo Ting Huang, Yu-Yen Chen
  • Patent number: 10685220
    Abstract: An image detection method for determining the posture of a user includes: obtaining a reference image of the user in a region of interest (ROI); obtaining a test image of user at the ROI; executing a feature matching analysis of the test image which compares the feature parameter of the test image and the feature parameter of the reference image to determine the similarity information of the test image and the reference image; and executing a pixel distribution analysis of the test image to obtain user pixel distribution information; and determining the posture of the user based on the user similarity information and the user pixel distribution information.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: June 16, 2020
    Assignee: Wistron Corp.
    Inventors: Yu-Ren Lai, Po Chun Chen, Ching-An Cho, Kuo Ting Huang, Yu-Yen Chen
  • Patent number: 10675912
    Abstract: An omnidirectional wheel is provided. The omnidirectional wheel includes a plurality of major brackets, a plurality of minor brackets, a plurality of major wheels and a plurality of minor wheels. The major brackets include a first major bracket. The minor brackets include a first minor bracket. The major wheels include a first major wheel, wherein the major wheels are connected to the respective major brackets, the first major wheel is connected to the first major bracket, the first major wheel is rotatable around a first axis, and the first major bracket extends in a first extending direction. The minor wheels include a first minor wheel, wherein the minor wheels are connected to the respective minor brackets, the first minor wheel is connected to the first minor bracket, the first minor wheel is rotatable around a second axis, and the first minor bracket extends in a second extending direction.
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: June 9, 2020
    Assignee: WISTRON CORP.
    Inventor: Chen Yi Liang
  • Patent number: 10651679
    Abstract: This invention provides a wireless input device, including a primary battery set, a backup battery, an electricity generating device, an energy-storage/charging device, and a switching device. The primary battery set provides electricity to the wireless input device. The backup battery provides electricity to the wireless input device when the primary battery set does not have sufficient electricity. The electricity generating device generates electricity in response to clicking/pressing operations to the wireless input device. The energy-storage/charging device is coupled to the backup battery and the electricity generating device. The energy-storage/charging device stores the electricity generated by the electricity generating device and charges the backup battery when the stored electricity has reached a predetermined volume. The switching device is coupled to the primary battery set and the backup battery.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: May 12, 2020
    Assignee: WISTRON CORP.
    Inventors: Chen-Yi Liang, Chun-Kuan Liu
  • Patent number: 10642334
    Abstract: A computer device includes a microprocessor, a voltage converter circuit converting a first voltage of a system power into a second voltage, a control circuit controlling supply of the second voltage and a detection circuit detecting whether power abnormality at the peripheral device has occurred. When confirming that the system power is being supplied normally, the microprocessor generates a first enable signal to enable the voltage converter circuit. When confirming that the voltage converter circuit functions normally, the microprocessor generates a second enable signal to enable the detection circuit. The detection circuit generates a first detection signal according to detection result for the microprocessor to determine whether to supply the second voltage to the peripheral device. When the first detection signal indicates that power abnormality has not occurred, the microprocessor generates a third enable signal to enable the control circuit to supply the second voltage to the peripheral device.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: May 5, 2020
    Assignee: WISTRON CORP.
    Inventors: Ke Yang, Kai Cheng Lee, Jia Sheng Huang, Mei Ling Shang, Wei Liang Liao
  • Patent number: 10616437
    Abstract: An optical device detachably disposed on a scanner is provided, including a housing, a first opening, a second opening, a lens module, and a fixing member. The housing has a first surface and a second surface connected to the first surface. The first opening and the second opening are respectively formed on the first surface and the second surface. The lens module is disposed in the housing. The fixing member is detachably affixed to the scanner and pivotally connected to the housing. The light provided by the scanner enters the housing through the first opening, and the lens module guides the light to leave the housing through the second opening. The light leaving the housing through the second opening can fall on a scanned object.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: April 7, 2020
    Assignee: WISTRON CORP.
    Inventors: Chia-Fong Lu, Chang Chun Wang, Su-Kai Hsu, Jui-Kai Cheng, Ming-Feng Tsai, Ying-che Huang
  • Patent number: 10605597
    Abstract: An electronic device is provided. The electronic device includes: an inertial measurement unit, a camera device, and a processor. The inertial-measurement unit is configured to detect a pitch angle of the electronic device. The camera device is configured to focus on a target object to capture an object image. The processor is configured to execute an image-distance-measuring program to perform the following steps: obtaining a lens-focal-length parameter corresponding to the object image from an operating system performed by the electronic device; calculating a plurality of terminal parameters corresponding to the pitch angle according to the lens-focal-length parameter and the pitch angle; converting the terminal parameters to a plurality of linear parameters; and calculating an object distance between the target object and the camera device according to a linear equation of the linear parameters, and the upper focusing distance, and the lower focusing distance.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: March 31, 2020
    Assignee: WISTRON CORP.
    Inventor: Chia-Ching Lin
  • Patent number: 10601292
    Abstract: A co-constructed power generation device comprises a shell member, a first power generation group and a second power generation group, wherein the first power generation group is disposed in the shell member and generates shake-induced power, and the second power generation group is disposed in the shell member and generates rotation-induced power.
    Type: Grant
    Filed: February 21, 2018
    Date of Patent: March 24, 2020
    Assignee: WISTRON CORP.
    Inventors: Wen Chieh Hsu, Tai-Shen Yang, Yueh-Chou Sung
  • Patent number: 10599194
    Abstract: An accommodation structure includes a frame, a first connector disposed on a first side of the frame, and a second connector disposed on a second side of the frame. When the first storage device is connected to the first connector, the first storage device occupies a first portion of the accommodation space. When the second storage device is connected to the second connector, the second storage device occupies a second portion of the accommodation space. In addition, the first portion at least partially overlaps the second portion.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: March 24, 2020
    Assignee: WISTRON CORP.
    Inventors: Chi-Yi Liu, The-Fa Wang, Chia-Ming Shih
  • Patent number: 10593293
    Abstract: A display device is provided. The display device includes a display panel, a backlight controller, a light source module, and an image processor circuit. The display panel is divided into display regions. The backlight controller generates driving signals according to control signals. The light source units in the light source module are controlled respectively by the driving signals to emit light. The image processor circuit generates the control signals according to input image data. The image processor circuit obtains a respective estimated current according to the sum of first and second color brightness gains of the pixel cells in each display region and further determines an adjustment factor according to the sum of all the estimated currents. When the backlight controller operates in a high brightness mode, the image processor circuit changes the control signals according to the adjustment factor, thereby adjusting the driving signals.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: March 17, 2020
    Assignee: WISTRON CORP.
    Inventor: Yong Qiang Li
  • Patent number: 10564844
    Abstract: A method suitable for a touch-control device having a touch-control surface for determining keys of a virtual keyboard is provided and includes: sensing positions of multiple control points on the touch-control surface to determine positions of multiple basic keys of a virtual keyboard; determining the input behavior of a user according to at least one touch behavior of at least one control point on the touch-control surface; and determining which key on the virtual keyboard is input by the user.
    Type: Grant
    Filed: October 22, 2015
    Date of Patent: February 18, 2020
    Assignee: WISTRON CORP.
    Inventor: Sheng-Nan Zhang
  • Patent number: 10518756
    Abstract: A brake module is provided. The brake module is for braking at least one omnidirectional wheel, and the omnidirectional wheels include at least one major wheel and a plurality of minor wheels. The brake module includes a base, a first brake arm, a first major brake block and a first minor brake block. The first major brake block is disposed on the first brake arm. The first minor brake block is disposed on the first brake arm. When the first brake arm is in a first orientation, the first major brake block and the first minor brake block are separated from the omnidirectional wheel, and when the first brake arm is in a second orientation, the first major brake block abuts the major wheel, and the first minor brake block abuts one of the minor wheels.
    Type: Grant
    Filed: April 23, 2019
    Date of Patent: December 31, 2019
    Assignee: WISTRON CORP.
    Inventors: Chen Yi Liang, Kun-Ting Xie
  • Patent number: 10524373
    Abstract: The disclosure provides a fixing assembly adapted to fix an expansion card on an expansion slot of a motherboard. The fixing assembly includes a casing, a first positioning component and a second positioning component. The first positioning component is slidably disposed on the casing so that a distance between the first positioning component and the expansion slot of the motherboard is adjustable. The second positioning component is slidably disposed on the first positioning component. The second positioning component and the first positioning component are configured to press against the expansion card, and sliding directions of the first positioning component and the second positioning component are different from each other.
    Type: Grant
    Filed: September 5, 2018
    Date of Patent: December 31, 2019
    Assignee: WISTRON CORP.
    Inventors: Yi Chien Liu, Po-Kai Wang, Yu-Hsin Yu, Jung-Shu Hsiao, Ching-Hua Wang
  • Patent number: 10498041
    Abstract: A mobile device includes a host upper cover, a host lower cover, a metal cavity structure, an H-shaped slot antenna, and a feeding element. The metal cavity structure is coupled between the host upper cover and the host lower cover. The H-shaped slot antenna is formed on the host upper cover, the host lower cover, the metal cavity structure, the host upper cover and the metal cavity structure, or the host lower cover and the metal cavity structure. The feeding element is coupled to a signal source. The feeding element is configured to excite the H-shaped slot antenna.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: December 3, 2019
    Assignee: Wistron Corp.
    Inventors: Hsieh-Chih Lin, Yu-Chia Chang, Wan Chu Wei, Jung-Chin Hsieh, Wen-Chieh Wu
  • Patent number: 10490228
    Abstract: A casing is configured for a data storage device to be disposed thereon. The casing includes a chassis and an operation member. The chassis includes a front plate, and the front plate has a plurality of assembling slots. Each of the assembling slots has a retaining part and a releasing par. A width of the releasing part is larger than a width of the retaining part. The assembling slots are configured for a plurality of fasteners of the data storage device to be disposed therethrough, and the plurality of fasteners are configured to be slid between the retaining parts and the releasing parts of the assembling slots. The operation member is slidably disposed on the front plate and slidable between a retaining position and a releasing position. When the operation member is in the retaining position, the operation member retains the fasteners at the retaining parts.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: November 26, 2019
    Assignee: WISTRON CORP.
    Inventor: Ching-Hua Wang
  • Patent number: 10486276
    Abstract: A securing structure is provided, including a frame, a movable member, a fixed member, a first abutting member, a screwing member. The frame includes a passage. The movable member is slidably disposed in the passage, and includes a threaded portion and a guiding slot. The fixed member is affixed on the frame and extends through the guiding slot. The first abutting member has a first inclined surface and is pivotally connected to the movable member. The screwing member is detachably joined to the threaded portion.
    Type: Grant
    Filed: March 7, 2018
    Date of Patent: November 26, 2019
    Assignee: WISTRON CORP.
    Inventors: Meng-Chian Shiu, Chi-Jen Lo
  • Patent number: 10482350
    Abstract: A drowsiness detection apparatus is provided. The drowsiness detection apparatus: an image capturing unit, an alarm apparatus, and a drowsiness determination circuit. The image capturing unit is configured to repeatedly capture a plurality of facial images of a user. The drowsiness determination circuit is configured to obtain an eye region from a current image of the facial images, calculate a vertical histogram of the eye region, and determine an eye part from the eye region according to the vertical histogram. The drowsiness determination circuit further compares the pixel height of the eye part with a closed-eye pixel threshold to perform closed-eye detection, and performs drowsiness detection on the user according to the results of the closed-eye detection. When the result of the drowsiness detection indicates that the user is drowsy, the drowsiness determination circuit transmits a control signal to the alarm apparatus to sound an alarm.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: November 19, 2019
    Assignee: Wistron Corp.
    Inventors: Zhen-Te Liu, Yu-Yen Chen
  • Patent number: 10459497
    Abstract: An air-guiding cover is provided. The air-guiding cover includes a cover body, a first cover member, and a second cover member. The cover body is selectively connected to the first cover member and the second cover member. When the cover body is connected to the first cover member, the air-guiding cover is in the first guiding state, and the air-guiding cover separates air flow into a first flow and a second flow. When the cover body is connected to the second cover member, the air-guiding cover is in the second guiding state, and the air-guiding cover gathers the air flow into a third flow.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: October 29, 2019
    Assignee: WISTRON CORP.
    Inventors: You Hsiung Lu, Shuen-Chuan Chiang
  • Patent number: RE47978
    Abstract: A communication device and a power control method thereof are provided. The power control method, performed by a communication device, includes: determining a power range of a transmit power of an uplink signal; determining a gain switch range based on the power range; when the transmit power of the uplink signal is within the gain switch range, determining a first gain mode for amplifying the uplink signal; and when the transmit power of the uplink signal is out of the gain switch range, determining a second gain mode for amplifying the uplink signal.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: May 5, 2020
    Assignee: WISTRON CORP.
    Inventors: Sheng-Lun Chiou, Wen-Chieh Wu