Patents Assigned to QISDA Corporation
  • Patent number: 11327294
    Abstract: A projection device for providing an image light includes a light source module configured to provide an illumination light, a dichroic film configured to allow a first portion of the illumination light to transmit therethrough to form a light in a first wavelength range and to reflect a second portion of the illumination light into a light in a second wavelength range different from the first wavelength range, a first digital micromirror device (DMD) configured to reflect the light in the first wavelength range from the dichroic film into a first light, and a second DMD configured to reflect the light in the second wavelength range from the dichroic film into a second light, wherein the first light and the second light together form the image light.
    Type: Grant
    Filed: January 14, 2021
    Date of Patent: May 10, 2022
    Assignee: Qisda Corporation
    Inventors: Jia-Ming Zhang, Ching-Shuai Huang
  • Publication number: 20220132237
    Abstract: The present invention provides an audio output device. The audio output device includes a speaker unit, a first plate and a second plate. The speaker unit has a sound-emitting surface, and the sound-emitting surface has a first side and a second side opposite to each other. A first side edge of the first plate corresponds to the first side and is rotatably connected. A second side of the second plate corresponds to the second side and is rotatably connected, and a sound channel corresponding to the speaker unit is formed between the first plate and the second plate, and a sound outlet is formed at an end of the sound channel farthest away from the speaker unit, and a direction pointed by a connection line between a center point of the sound-emitting surface and a center point of the sound outlet is adjustable.
    Type: Application
    Filed: October 26, 2021
    Publication date: April 28, 2022
    Applicant: Qisda Corporation
    Inventors: Chih-Hung LIN, Hsun-Cheng CHO
  • Patent number: 11314113
    Abstract: A display device includes a plate member, an outer frame, and a display panel. The plate member has a fringe portion and a joining structure formed on the fringe portion. The fringe portion has an edge and two opposite surfaces. The outer frame has a parallel frame portion and a non-parallel frame portion extending from the parallel frame portion. The parallel frame portion is parallel to the fringe portion and is embedded into the joining structure, so as to make the outer frame and the plate member jointly from an accommodating space for accommodating the display panel. The parallel frame portion is coplanar with one of the surfaces. Therein, the joining structure can include an opening structure passing through the two surfaces and extending to the edge. Or, the joining structure can include an opening structure, passing through the two surfaces, and a raised portion.
    Type: Grant
    Filed: March 14, 2021
    Date of Patent: April 26, 2022
    Assignee: Qisda Corporation
    Inventors: Jun-Da Lin, Chun-Ting Chen
  • Patent number: 11308012
    Abstract: An adapter configured to transmit signal of the first electronic device to the second electronic device is provided. The adapter includes a first USB type-C controller, a second USB type-C controller and pleural USB type-C data transmission lanes connected to the second USB type-C controller and the first USB type-C controller. The second USB type-C controller is configured to: (1) obtain a first transmission specification supported by the second electronic device; and (2) transmit the first transmission specification to the first USB type-C controller. The first USB type-C controller transmits the first transmission specification to the first electronic device. The first electronic device transmits a control command to the first USB type-C controller according to the first transmission specification. The first USB type-C controller further uses a corresponding number of data transmission lanes according to the control command.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: April 19, 2022
    Assignee: Qisda Corporation
    Inventor: Li-Kuei Chu
  • Publication number: 20220108668
    Abstract: A display system includes a host and a display. The host executes a first application and a program. The program sets a first display parameter corresponding to the first application. The display receives a signal provided by the host. The signal includes a desktop. The first application is operated at a first window on the desktop. The program outputs the first display parameter to the display. The display sets the first window with the first display parameter and displays, and displays the non-first window area of the desktop with a preset display parameter.
    Type: Application
    Filed: July 7, 2021
    Publication date: April 7, 2022
    Applicant: Qisda Corporation
    Inventors: Yu-Fu FAN, Yi-Ming HUANG, Yu-Chun LIN
  • Patent number: 11284855
    Abstract: An ultrasound needle positioning system includes an ultrasound probe and a processor. The ultrasound probe is used to capture a plurality of sets of needle insertion images. Each set of needle insertion images includes a plurality of needle insertion images corresponding to a needle body at a predetermined insertion angle. The processor is coupled to the ultrasound probe, and is used to train a first convolutional neural network according to at least one set of needle insertion images in the plurality of sets of needle insertion images to generate needle body positioning information after the needle body is inserted. The needle body positioning information includes a reference position, a length, and/or a width corresponding to the needle body at at least one predetermined insertion angle.
    Type: Grant
    Filed: January 3, 2020
    Date of Patent: March 29, 2022
    Assignee: Qisda Corporation
    Inventors: Yu-Teng Tung, Wei-Shin Hung
  • Patent number: 11291100
    Abstract: A lamp driver circuit for driving a lamp is provided. The lamp driver circuit includes: an under voltage protection circuit; a control circuit coupled to the under voltage protection circuit; and a driver transistor coupled to the control circuit for driving the lamp under the control of the control circuit. The under voltage protection circuit detects an operation voltage. When the operation voltage is lower than a threshold, the under voltage protection circuit outputs an enable signal. The control circuit receives the enable signal to shut down the control circuit and shut down the driver transistor.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: March 29, 2022
    Assignee: Qisda Corporation
    Inventor: Chih-Hsiang Wu
  • Patent number: 11288227
    Abstract: A DRP determining method is provided. The method includes the following steps. Firstly, a first DRP electronic device and a second DRP electronic device are connected by a USB Type-C line. Then, the first DRP electronic device is set to one of a host and a device. Then, the second DRP electronic device is set to one of the host and the device. When the connection between the first DRP electronic device and the second DRP electronic device is disconnected and then re-connected, at least one of the first DRP electronic device and the second DRP electronic device is set to the other one of the host and the device.
    Type: Grant
    Filed: May 6, 2020
    Date of Patent: March 29, 2022
    Assignee: Qisda Corporation
    Inventors: Kuan-Hung Chen, Min-Yi Hsieh
  • Patent number: 11287844
    Abstract: A support base includes a base casing, a support frame, a first rack, an auxiliary support member and at least one gear. The support frame is movably disposed on the base casing. The first rack is disposed in the base casing and connected to the support frame. The auxiliary support member is movably disposed in the base casing. The auxiliary support member has a second rack. The at least one gear meshes with the first rack and the second rack. When the support frame moves linearly along a first direction, the first rack drives the auxiliary support member to move along a second direction through the at least one gear and the second rack, wherein an angle included between the first direction and the second direction is essentially between 0 degrees and 90 degrees.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: March 29, 2022
    Assignee: Qisda Corporation
    Inventors: Yung-Chun Su, Hui-Chieh Hu
  • Patent number: 11269247
    Abstract: A light source module for providing an illumination light includes a light source configured to provide a first beam of a first waveband, a microlens array disposed corresponding to the light source and configured to uniform the first beam, a first lens set configured to focus at least a portion of the first beam uniformed by the microlens array, and a wavelength conversion unit configured to convert at least a portion of the first beam focused by the first lens set into a second beam of a second waveband different from the first waveband, wherein the second beam and the first beam not converted by the wavelength conversion unit together form the illumination light.
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: March 8, 2022
    Assignee: Qisda Corporation
    Inventors: Jia-Ming Zhang, Chien-Chiang Hsu
  • Patent number: 11269020
    Abstract: A plurality of test pads are formed on a first substrate or a second substrate. A plurality of first solder joints are reserved on a first surface of the first substrate, and each of the first solder joints is coupled to at least a test pad or to another first solder joint through at least a first trace. A plurality of second solder joints are reserved on a second surface of the second substrate. Each of the second solder joints is coupled to at least a test pad or to another second solder joint through at least a second trace. A plurality of dummy solder balls are formed between the first solder joints and the second solder joints. Probes are coupled to the test pads to measure circuit characteristics between the test pads.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: March 8, 2022
    Assignee: Qisda Corporation
    Inventor: Po-Fu Wu
  • Patent number: 11262965
    Abstract: The present invention provides a display device. The display device includes a display module, a first mounting frame, one or more electromotive driving elements, and a control module. The display module is disposed on and spaced from a setting surface and has a display surface. The first mounting frame is spaced from the display module and is disposed on the setting surface. The electromotive driving elements are disposed on the first mounting frame and face the display module relatively. The control module controls display of the display surface based on a display signal, and controls each of the electromotive driving elements to selectively generate an attractive force and a repulsive force with respect to the display module based on an actuation signal, so as to change a distance of the display module from the first mounting frame, a setting angle of the display module with respect to the setting surface, or a combination thereof.
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: March 1, 2022
    Assignee: QISDA CORPORATION
    Inventor: Po-Fu Wu
  • Patent number: 11258995
    Abstract: A projector and a drive circuit thereof are provided. The projector includes a light source and a drive circuit. The light source includes at least one red light diode, at least one green light diode, at least one first blue light diode and at least one second blue light diode. The drive circuit includes a red light drive circuit, a green light drive circuit, a first blue light drive circuit and a second blue light drive circuit. The green light drive circuit outputs a green light drive signal to the green light diode according to a green light control signal. The second blue light drive circuit outputs a second blue light drive signal to the second blue light diode according to a second blue light control signal. The second blue light control signal and the green light drive signal have synchronous pulse.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: February 22, 2022
    Assignee: Qisda Corporation
    Inventors: Chi-Jen Chen, Fang-Chieh Lu, Chun-Hsiao Lin
  • Patent number: 11252829
    Abstract: An electronic device includes a casing, a main circuit board, a detachable component and a flexible circuit board. The main circuit board is disposed in the casing. The main circuit board includes a processor and a memory, wherein the memory stores data. The detachable component is disposed in the casing. The flexible circuit board includes a first end portion, a second end portion, a middle portion and a first detection loop, wherein the first detection loop is disposed at the first end portion and the middle portion. The first end portion is electrically connected to the main circuit board and the second end portion is fixed on the detachable component. When the detachable component is detached from the casing, the middle portion breaks, such that the first detection loop is cut off. When the first detection loop is cut off, the processor erases the data stored in the memory.
    Type: Grant
    Filed: December 7, 2020
    Date of Patent: February 15, 2022
    Assignee: Qisda Corporation
    Inventor: Hsueh-Chun Yang
  • Patent number: 11249346
    Abstract: A backlight module provides light to a display panel and includes a bottom board, a support frame, first and second magnetic members, a light guide device, and a light source. The support frame is connected to the bottom board to contain the light guide device. The light source is disposed on the bottom board corresponding to a light entrance surface of the light guide device. Light of the light source is incident into the light guide device via the light entrance surface and emitted to the display panel from a light exit surface of the light guide device. The first magnetic member is disposed on the support frame or the light guide device corresponding to the light source. The second magnetic member is disposed corresponding to the first magnetic member to generate a magnetic force for driving the light entrance surface to be aligned with the light source.
    Type: Grant
    Filed: December 7, 2020
    Date of Patent: February 15, 2022
    Assignee: Qisda Corporation
    Inventors: Chun-Wei Huang, Chih-Chieh Su, Chung-Yu Kuo
  • Patent number: 11243345
    Abstract: A light source assembly includes a plurality of light source modules. Each of the light source modules includes a base, a light emitting unit and a light guide member. The light guide member has an accommodating space. The light emitting unit and the light guide member are disposed on the base and the light emitting unit is located in the accommodating space. At least one of the base and the light guide member has a first connecting structure and a second connecting structure. The first connecting structure of one of the light source modules is connected to the second connecting structure of another one of the light source modules, such that the light source modules are connected to each other to form the light source assembly.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: February 8, 2022
    Assignee: Qisda Corporation
    Inventors: Jyun-Sheng Syu, Chung-Yu Kuo
  • Patent number: 11244657
    Abstract: A display system includes a display device and a host. The host is separately disposed on the display device and connected to the display device through a wireless or wired manner. The host transmits an image signal to the display device. The display device is configured to display a frame according to the image signal and enlarge a local portion of the frame.
    Type: Grant
    Filed: June 16, 2020
    Date of Patent: February 8, 2022
    Assignee: Qisda Corporation
    Inventor: Wei-Jou Chen
  • Publication number: 20220034492
    Abstract: A lamp clamp used to fix a light source on an object is disclosed. The lamp clamp includes a first clamping member and a second clamping member. The first clamping member includes a lamp fixing portion, a connecting portion and a stopping portion. The lamp fixing portion is used to fix the light source. The connecting portion is connected to the lamp fixing portion. The stopping portion is movably connected to the connecting portion and has a stopping surface selectively disposed at one of plural positions on the connecting portion. The second clamping member is connected to the connecting portion to clamp the object between the stopping surface and the second clamping member.
    Type: Application
    Filed: June 8, 2021
    Publication date: February 3, 2022
    Applicant: Qisda Corporation
    Inventors: Hsiang-Yu CHEN, Chih-Lung HUANG
  • Patent number: 11237382
    Abstract: An optical module includes a driving unit, a first color wheel, a second color wheel, a first electromagnet, a plurality of first magnets and a polarity control unit. The driving unit has a rotating shaft. The first color wheel is fixed on the rotating shaft. The second color wheel is freely disposed on the rotating shaft. The first electromagnet is disposed on the first color wheel and the first magnets are disposed on the second color wheel. The driving unit drives the first color wheel to rotate, such that the first electromagnet rotates along with the first color wheel. The polarity control unit controls a direction of current flow in the first electromagnet to control a polarity of the first electromagnet, such that the first electromagnet attracts one of the first magnets during rotation to drive the second color wheel to rotate along with the first color wheel.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: February 1, 2022
    Assignee: Qisda Corporation
    Inventor: Po-Fu Wu
  • Patent number: 11237470
    Abstract: A projector includes a light source module, a wavelength conversion module, a first collimator lens, a second collimator lens, a dichroic filter and a reflector. The light source module provides a first beam. The wavelength conversion module includes a reflecting plate and a wavelength conversion layer. The dichroic filter reflects a first part of the first beam to form a second beam, and a second part of the first beam can pass or detour the dichroic filter to form a third beam. The second beam is condensed by the first collimator lens and projected onto the wavelength conversion layer to excite a fourth beam. The third beam is condensed by the second collimator lens and projected onto the reflecting plate to reflect a fifth beam. The fifth beam is reflected via the reflector and the dichroic filter to mix with the fourth beam.
    Type: Grant
    Filed: August 4, 2020
    Date of Patent: February 1, 2022
    Assignee: QISDA CORPORATION
    Inventors: Chih-Shiung Chien, Ming-Kuen Lin