Patents by Inventor Wen-Chang Chien

Wen-Chang Chien 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: 20220203885
    Abstract: A display system suitable for a vehicle is provided. The display system suitable for the vehicle includes a center console, a processing device, and a display device. The center console is configured to generate a power sequence according to a customization setting, and the power sequence corresponds to content of a data table. The processing device is configured to receive the power sequence and decodes the power sequence through a lookup table to generate a decoding result. The lookup table includes the content of the data table. The display device is coupled to the processing device and is configured to display a display image according to the decoding result.
    Type: Application
    Filed: December 31, 2020
    Publication date: June 30, 2022
    Applicant: Coretronic Corporation
    Inventors: Jui-Ta Liu, Wen-Chang Chien, Tsung-Hsin Yeh, Shao-Chi Lin
  • Patent number: 11204543
    Abstract: A projection apparatus includes a light valve, a lens module, a distance measuring module, a lens position detection module and a processor. The light valve forms an image beam. The lens module projects the image beam onto a display surface. The distance measuring module detects a distance between the lens module and the display surface to obtain a first distance value. The lens position detection module detects a position of the lens module to obtain a second distance value. The processor receives the first distance value from the distance measuring module, receives the second distance value from the lens position detection module and obtains an effective focus range according to the second distance value.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: December 21, 2021
    Assignee: Coretronic Corporation
    Inventors: Tzu-Hai Chung, Wen-Chang Chien, Yu-Chi Wu
  • Patent number: 11032526
    Abstract: The invention provides projection device, a projection method and a projection system. The projection system includes the projection device. The projection method is for controlling the projection device. The projection device includes a projection apparatus, a video and audio processing circuit and a power control circuit. The video and audio processing circuit is coupled to the projection apparatus. The power control circuit is coupled to the projection apparatus and the video and audio processing circuit. The power control circuit is for receiving a power signal correspondingly provided by an external power supply unit when a switchable mechanism is in an open state. The power control circuit enables the projection apparatus and the video and audio processing circuit according to the power signal, such that the video and audio processing circuit outputs image data to the projection apparatus and controls the projection apparatus to project a dynamic projection image.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: June 8, 2021
    Assignee: Coretronic Corporation
    Inventors: Hao-Chang Tsao, Wen-Chang Chien
  • Patent number: 11012669
    Abstract: A projection device adapted to be placed on a vehicle and a control method of the projection device are provided. The projection device includes a storage device storing image data of at least one projection image, a projection module, a distance detection device measuring a projection distance from the distance detection device to a projection plane, and a control device electrically connected to the storage device, the projection module, and the distance detection device. The control device enables the projection module to project the projection image and controls brightness or size of the projection image according to the corresponding projection distance. The projection device is activated by opening a door of the vehicle, and power of the projection device comes from the vehicle. The projection image can be adjusted according to the projection distance to maintain stable brightness and the size of the projection image.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: May 18, 2021
    Assignee: Coretronic Corporation
    Inventors: Yun-Lin Miao, Wen-Chang Chien
  • Publication number: 20210037220
    Abstract: A projection device adapted to be placed on a vehicle and a control method of the projection device are provided. The projection device includes a storage device storing image data of at least one projection image, a projection module, a distance detection device measuring a projection distance from the distance detection device to a projection plane, and a control device electrically connected to the storage device, the projection module, and the distance detection device. The control device enables the projection module to project the projection image and controls brightness or size of the projection image according to the corresponding projection distance. The projection device is activated by opening a door of the vehicle, and power of the projection device comes from the vehicle. The projection image can be adjusted according to the projection distance to maintain stable brightness and the size of the projection image.
    Type: Application
    Filed: July 24, 2020
    Publication date: February 4, 2021
    Applicant: Coretronic Corporation
    Inventors: Yun-Lin Miao, Wen-Chang Chien
  • Publication number: 20200374496
    Abstract: The invention provides projection device, a projection method and a projection system. The projection system includes the projection device. The projection method is for controlling the projection device. The projection device includes a projection apparatus, a video and audio processing circuit and a power control circuit. The video and audio processing circuit is coupled to the projection apparatus. The power control circuit is coupled to the projection apparatus and the video and audio processing circuit. The power control circuit is for receiving a power signal correspondingly provided by an external power supply unit when a switchable mechanism is in an open state. The power control circuit enables the projection apparatus and the video and audio processing circuit according to the power signal, such that the video and audio processing circuit outputs image data to the projection apparatus and controls the projection apparatus to project a dynamic projection image.
    Type: Application
    Filed: May 19, 2020
    Publication date: November 26, 2020
    Applicant: Coretronic Corporation
    Inventors: Hao-Chang Tsao, Wen-Chang Chien
  • Publication number: 20200177855
    Abstract: A projector and a brightness adjusting method are provided. The projector includes a distance sensor configured to detect a distance between the projector and a projection plane, a light source configured to provide an illumination beam, a brightness controlling circuit configured to control the light source, and a processor coupled to the distance sensor, the light source, and the brightness controlling circuit. The processor calculates according to the distance to obtain an image size of a projected image on the projection plane. The processor obtains a current value corresponding to the image size according to a color table. The processor instructs the light source to adjust a luminous flux of the illumination beam according to the current value for generating a target brightness value of the projected image. When a brightness of the projected image is excessively large, a brightness of an image beam of the projector is automatically reduced.
    Type: Application
    Filed: November 28, 2019
    Publication date: June 4, 2020
    Applicant: Coretronic Corporation
    Inventors: Yun-Lin Miao, Wen-Chang Chien
  • Patent number: 10349021
    Abstract: A projection device and a projection system including the projection device are disclosed. The projection system includes an electronic device and the projection device. The electronic device provides a wireless signal. The projection device includes a wireless connection unit, a light sensor, a projection unit, an image control unit and a lamp base power interface. The wireless connection unit receives the wireless signal so as to provide an image control signal. The light sensor senses ambient light so as to provide a sensing control signal. The projection unit receives an image signal so as to project an image. The image control unit receives the image control signal and the sensing control signal so as to provide the image signal. The lamp base power interface electrically connects an external lamp stand power source to the projection device.
    Type: Grant
    Filed: July 23, 2015
    Date of Patent: July 9, 2019
    Assignee: Coretronic Corporation
    Inventors: Wen-Chang Chien, Pei-Yu Li
  • Publication number: 20190163044
    Abstract: A projection apparatus includes a light valve, a lens module, a distance measuring module, a lens position detection module and a processor. The light valve forms an image beam. The lens module projects the image beam onto a display surface. The distance measuring module detects a distance between the lens module and the display surface to obtain a first distance value. The lens position detection module detects a position of the lens module to obtain a second distance value. The processor receives the first distance value from the distance measuring module, receives the second distance value from the lens position detection module and obtains an effective focus range according to the second distance value.
    Type: Application
    Filed: November 30, 2018
    Publication date: May 30, 2019
    Inventors: TZU-HAI CHUNG, WEN-CHANG CHIEN, YU-CHI WU
  • Patent number: 9591278
    Abstract: A projection system and a projection control method are provided. The projection system includes a projection apparatus and a projection data providing apparatus. After receiving projection data, the projection apparatus enters an operating mode from a sleep mode and projects an image light beam according to the projection data. The projection data providing apparatus determines whether an input operation is received, and transmits the projection data to the projection apparatus if the input operation is received.
    Type: Grant
    Filed: March 17, 2015
    Date of Patent: March 7, 2017
    Assignee: Coretronic Corporation
    Inventors: Yu-Chi Wu, Wen-Chang Chien
  • Patent number: 9497414
    Abstract: A telephone with a video function is provided, including a projection module, a network module, a video-audio capturing module, a conference module and a processor. The network module provides a network interface. The video-audio capturing module is configured to capture an image and voice of a local user, and accordingly generates local video-audio data. The conference module provides the video conference function. The processor is electrically connected to the projection module, the network module, the video-audio capturing module and the conference module. When the processor enables the video conference function of the conference module, the telephone establishes a connection with a remote apparatus through the network interface, in order to receive a remote video-audio data of a remote user from the remote apparatus, and transmit the local video-audio data to the remote apparatus. The projection module projects an image corresponding to the remote video-audio data onto a projection surface.
    Type: Grant
    Filed: December 24, 2013
    Date of Patent: November 15, 2016
    Assignee: Coretronic Corporation
    Inventors: Chia-Chien Wu, Wen-Chang Chien, Tzu-Shou Kuo
  • Publication number: 20160142690
    Abstract: A projection device and a projection system including the projection device are disclosed. The projection system includes an electronic device and the projection device. The electronic device provides a wireless signal. The projection device includes a wireless connection unit, a light sensor, a projection unit, an image control unit and a lamp base power interface. The wireless connection unit receives the wireless signal so as to provide an image control signal. The light sensor senses ambient light so as to provide a sensing control signal. The projection unit receives an image signal so as to project an image. The image control unit receives the image control signal and the sensing control signal so as to provide the image signal. The lamp base power interface electrically connects an external lamp stand power source to the projection device.
    Type: Application
    Filed: July 23, 2015
    Publication date: May 19, 2016
    Inventors: Wen-Chang Chien, Pei-Yu Li
  • Publication number: 20150365641
    Abstract: A projection system and a projection control method are provided. The projection system includes a projection apparatus and a projection data providing apparatus. After receiving projection data, the projection apparatus enters an operating mode from a sleep mode and projects an image light beam according to the projection data. The projection data providing apparatus determines whether an input operation is received, and transmits the projection data to the projection apparatus if the input operation is received.
    Type: Application
    Filed: March 17, 2015
    Publication date: December 17, 2015
    Applicant: CORETRONIC CORPORATION
    Inventors: Yu-Chi Wu, Wen-Chang Chien
  • Patent number: 9122141
    Abstract: A micro-projector applied to a portable computer includes a projecting device and a clipping structure. The projecting device is capable of communicating with the portable computer through signals and projecting a projection light. The clipping structure is capable of clipping the portable computer selectively. The projecting device is disposed on the clipping structure.
    Type: Grant
    Filed: June 7, 2009
    Date of Patent: September 1, 2015
    Assignee: CORETRONIC CORPORATION
    Inventors: Kun-Rong Chang, Wen-Chang Chien
  • Publication number: 20140184725
    Abstract: A telephone with a video function is provided, including a projection module, a network module, a video-audio capturing module, a conference module and a processor. The network module provides a network interface. The video-audio capturing module is configured to capture an image and voice of a local user, and accordingly generates local video-audio data. The conference module provides the video conference function. The processor is electrically connected to the projection module, the network module, the video-audio capturing module and the conference module. When the processor enables the video conference function of the conference module, the telephone establishes a connection with a remote apparatus through the network interface, in order to receive a remote video-audio data of a remote user from the remote apparatus, and transmit the local video-audio data to the remote apparatus. The projection module projects an image corresponding to the remote video-audio data onto a projection surface.
    Type: Application
    Filed: December 24, 2013
    Publication date: July 3, 2014
    Applicant: CORETRONIC CORPORATION
    Inventors: Chia-Chien Wu, Wen-Chang Chien, Tzu-Shou Kuo
  • Patent number: 8339524
    Abstract: A projection system and an expansion module adapted to a projector are provided. The projection system includes a projector and an expansion module. The expansion module includes a housing, a logic circuit, and an output port. The logic circuit is disposed in the housing to control an operation of the expansion module. The output port is disposed in the housing and coupled to the logic circuit. The output port is connected to an input port of the projector and outputs a data stream to the input port, such that the projector generates an image and projects the image according to the data stream.
    Type: Grant
    Filed: June 3, 2009
    Date of Patent: December 25, 2012
    Assignee: Coretronic Corporation
    Inventors: Wen-Chang Chien, Hung-Lin Lee, Nan-Jiun Yin, Chih-Heng Fan Chiang, Chun-Ping Wang
  • Patent number: 8276097
    Abstract: A key control system disposed in a display apparatus includes a hierarchical menu, a power key, and a key module. The hierarchical menu includes a first layer menu and a second layer menu. The first layer menu has an item corresponding to the second layer menu. The power key is adapted to turn on the power supply of the display apparatus. The key control system is used to execute a key control method includes steps of defining the function of the power key as opening the first layer menu of the hierarchical menu after the power supply is turned on; defining the function of the key module as selecting the item of the first layer menu when the first layer menu is opened; and defining the function of the power key as opening the second layer menu after the item of the first layer menu is selected.
    Type: Grant
    Filed: December 30, 2009
    Date of Patent: September 25, 2012
    Assignee: Coretronic Corporation
    Inventors: Jui-Chi Chen, Wen-Chang Chien
  • Patent number: 8159618
    Abstract: A method for searching a signal source suitable for a multimedia apparatus with multiple signal terminals is disclosed. The method provides an ordered search list of the signal terminals to save the search sequence of the signal terminals. The multimedia apparatus sequentially detects the signal terminals according to the ordered search list of the signal terminals to identify whether an input signal is available. When a specific signal terminal of the signal terminals is found to have an input signal, the sequence of the specific signal terminal in the ordered search list of the signal terminals is set as the first sequence position.
    Type: Grant
    Filed: June 12, 2007
    Date of Patent: April 17, 2012
    Assignee: Coretronic Corporation
    Inventors: Chih-Heng Fan Chiang, Wen-Chang Chien, Hsin-Chi Chen
  • Patent number: 7956937
    Abstract: A projection apparatus, an illumination module and a color-level correcting method therefor are provided. The projection apparatus comprises a projection lens, an imaging unit and an illumination module. The illumination module comprises a light source, a color wheel and a controlling unit. The light source provides a light beam. The color wheel is disposed on an optical path of the light beam and the controlling unit is connected to the color wheel and the imaging unit. A plurality of color wheel indices is stored in the controlling unit. When the projection apparatus receives an image signal, the controlling unit selects one of the color wheel indices according to the received image signal and controls the imaging unit according to the selected color wheel index. The projection apparatus automatically selects the corresponding color wheel index according to the received image signal for projecting an image with good tints and color-level performance.
    Type: Grant
    Filed: July 13, 2006
    Date of Patent: June 7, 2011
    Assignee: Coretronic Corporation
    Inventors: Wen-Chang Chien, Fan Chiang Chih-Heng
  • Publication number: 20110113272
    Abstract: A projector and a power control method thereof are provided. The projector includes a battery supplying a battery power; an interface receiving and transmitting an external power; a selection unit receiving the battery power and the external power, and selecting and outputting one of the battery power and the external power to be served as the operation voltage of the projector; a lighting element; a driver receiving a driving signal and driving the lighting element accordingly; and a central processing unit (CPU) outputting a control signal with a first state to control the selection unit to select and output the external power when the capacity of the battery is not sufficient and the interface receives the external power, and regulating the intensity of the driving signal outputted from the CPU according to the capacity of the external power so as to make the projector continuously maintain in operation.
    Type: Application
    Filed: July 23, 2010
    Publication date: May 12, 2011
    Applicant: CORETRONIC CORPORATION
    Inventors: Ming-Lung Tsai, Wen-Chang Chien