Patents by Inventor Yi-Chieh Chang

Yi-Chieh Chang 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: 20230365130
    Abstract: A rear approaching vehicle detecting and warning device comprises a detecting device installed at an appropriate position behind a motorbike body, a signal processing module, and a riding safety component capable of being assembled on handlebars of the motorbike. The detecting device is provided with a sensing module, a control circuit, and a signal transmitting module. The sensing module senses a vehicle approaching around to generate a detection signal. The signal transmitting module receives the detection signal through the control circuit and then transmits the detection signal. The signal processing module is used for receiving and processing the detection signal transmitted by the signal transmitting module to generate a warning signal. The riding safety component is provided with a light module and electrically connected to the signal processing module. The riding safety component is used for receiving the warning signal to display on the light module.
    Type: Application
    Filed: May 13, 2022
    Publication date: November 16, 2023
    Inventors: FENG-CHENG CHEN, CHENG-HSIUNG LU, CHIA-SHENG SUNG, CHAO-HUANG CHEN, TZU-YU LIN, YI-CHIEH CHANG
  • Publication number: 20230343218
    Abstract: A blind spot detecting and warning device suitable for two-wheeled mobile device comprises a detecting device installed at a first position behind a user and a warning device installed at a second position that is in front of the user and can be seen by the user. The detecting device is provided with a sensing module, a control circuit and a signal transmitting module. When the sensing module senses a vehicle is approaching around, the sensing module generates a detection signal. The signal transmitting module receives the detection signal through the control circuit and then transmits the detection signal. The warning device is provided with a signal processing module and a warning module, wherein the signal processing module is used for receiving the detection signal transmitted by the signal transmitting module, and the detection signal drives the warning module to generate a warning.
    Type: Application
    Filed: April 25, 2022
    Publication date: October 26, 2023
    Inventors: FENG-CHENG CHEN, CHENG-HSIUNG LU, CHIA-SHENG SUNG, CHAO-HUANG CHEN, TZU-YU LIN, YI-CHIEH CHANG
  • Patent number: 11379004
    Abstract: An example device can include a mounting device having a first connector bracket fixedly positioned on the mounting device, a plurality of pogo pins positioned within the first connector bracket, and an adjustment control mechanism positioned about at least one pogo pin of the plurality of pogo pins. A computing device has a second connector bracket fixedly positioned on the computing device, the second connector bracket forming a plurality of openings for receiving the plurality of pogo pins, wherein the adjustment control mechanism is to fixedly position the plurality of pogo pins within the plurality of openings to maintain electrical connection of the first connector bracket and the second connector bracket during adjustment of the computing device relative to the mounting device.
    Type: Grant
    Filed: August 8, 2018
    Date of Patent: July 5, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Jerry Ni, Ray Chiang, David Ho, Harris Tsai, Leo Lee, Yi Chieh Chang
  • Publication number: 20200050239
    Abstract: An example device can include a mounting device having a first connector bracket fixedly positioned on the mounting device, a plurality of pogo pins positioned within the first connector bracket, and an adjustment control mechanism positioned about at least one pogo pin of the plurality of pogo pins. A computing device has a second connector bracket fixedly positioned on the computing device, the second connector bracket forming a plurality of openings for receiving the plurality of pogo pins, wherein the adjustment control mechanism is to fixedly position the plurality of pogo pins within the plurality of openings to maintain electrical connection of the first connector bracket and the second connector bracket during adjustment of the computing device relative to the mounting device.
    Type: Application
    Filed: August 8, 2018
    Publication date: February 13, 2020
    Inventors: Jerry Ni, Ray Chiang, David Ho, Harris Tsai, Leo Lee, Yi Chieh Chang
  • Publication number: 20180241916
    Abstract: A 3D space rendering system with multi-camera image depth includes a headset and a 3D software. The headset includes a body with a first support and a second support. The 3D software is in electrical signal communication with a first image capturing device and a second image capturing device. The system makes it possible to establish 3D image models at low cost, thereby allowing more people to create such models faster.
    Type: Application
    Filed: February 23, 2018
    Publication date: August 23, 2018
    Inventors: Yeh-Wei YU, Hu-Mu CHEN, Li-Ching WU, Ching-Cherng SUN, Tsung-Hsun YANG, Yi-Chieh CHANG
  • Patent number: 8405013
    Abstract: A solar tracking device including a solar panel, an orientation control device, and an inclination sensing device is provided. The solar panel is suitable for converting solar energy into electric energy. The orientation control device controls an orientation of the solar panel according to the position and time of the solar panel. The inclination sensing device is disposed on the solar panel for detecting an inclination direction of the solar panel. The inclination sensing device is suitable for outputting a feedback signal to the orientation control device to adjust the orientation of the solar panel. The solar tracking device has a simple tracking mechanism because of a simple feedback mechanism of the inclination sensing device.
    Type: Grant
    Filed: August 15, 2008
    Date of Patent: March 26, 2013
    Assignee: Sunplus mMedia Inc.
    Inventors: Yarn-Chen Chen, Yi-Chieh Chang
  • Patent number: 8324547
    Abstract: A solar tracking and concentration device, including at least one reflecting unit, a receiving unit, a controlling device, and a sensing device, is provided. The reflecting unit having a reflecting surface reflects and concentrates sunlight. The receiving unit having a receiving surface is used to receive the sunlight reflected and reflected by the reflecting unit. The receiving unit and the reflecting unit face each other. According to the position and the time of the reflecting unit, the controlling device controls a rotation angle of the reflecting unit. The sensing device on the receiving unit may detect an inclination direction of the reflecting unit and output a first feedback signal to the controlling device to calibrate a direction of the reflecting unit facing the sun.
    Type: Grant
    Filed: January 4, 2012
    Date of Patent: December 4, 2012
    Assignee: Sunplus mMedia Inc.
    Inventors: Yi-Chieh Chang, Yarn-Chen Chen
  • Publication number: 20120097214
    Abstract: A solar tracking and concentration device, including at least one reflecting unit, a receiving unit, a controlling device, and a sensing device, is provided. The reflecting unit having a reflecting surface reflects and concentrates sunlight. The receiving unit having a receiving surface is used to receive the sunlight reflected and reflected by the reflecting unit. The receiving unit and the reflecting unit face each other. According to the position and the time of the reflecting unit, the controlling device controls a rotation angle of the reflecting unit. The sensing device on the receiving unit may detect an inclination direction of the reflecting unit and output a first feedback signal to the controlling device to calibrate a direction of the reflecting unit facing the sun.
    Type: Application
    Filed: January 4, 2012
    Publication date: April 26, 2012
    Applicant: SUNPLUS MMEDIA INC.
    Inventors: Yi-Chieh Chang, Yarn-Chen Chen
  • Patent number: 8164038
    Abstract: A light source detection device includes first photo sensors disposed on a reference plane along a first direction and a control unit. Each first photo sensor has a first sensing surface for detecting a photo intensity of a light source to output a photo intensity signal. The first sensing surfaces are back to back or face to face. An included angle between a normal vector of one of the first sensing surfaces and a normal vector of the reference plane is equal to an included angle between a normal vector of another one of the first sensing surfaces and the normal vector of the reference plane. The normal vectors are coplanar. The control unit is adapted to receive the photo intensity signals and normalize the difference of the photo intensities of the light source sensed by the first photo sensors, so as to detect a position of the light source.
    Type: Grant
    Filed: May 6, 2009
    Date of Patent: April 24, 2012
    Assignee: Sunplus mMedia Inc.
    Inventors: Yarn-Chen Chen, Yi-Chieh Chang
  • Patent number: 8129668
    Abstract: A solar tracking and concentration device, including a reflecting unit, a receiving unit, a controlling device, and a plurality of photo sensors, is provided. The receiving unit is used to receive the sunlight reflected and reflected by the reflecting unit. The receiving unit and the reflecting unit face each other. The receiving unit is adapted to move along a first direction. According to the position and the time of the reflecting unit, the controlling device controls a rotation angle of a support element and controls a first moving position of the receiving unit moving along the first direction, in which the support element supports the reflecting unit and the receiving unit. The photo sensors are used to detect the sunlight reflected by the reflecting unit to the receiving unit, and are adapted to output a first feedback signal to calibrate a direction of the receiving unit facing the reflecting unit.
    Type: Grant
    Filed: May 5, 2009
    Date of Patent: March 6, 2012
    Assignee: Sunplus mMedia Inc.
    Inventors: Yi-Chieh Chang, Yarn-Chen Chen
  • Patent number: 8097803
    Abstract: A solar energy system includes a reflecting unit, a heat absorber and a first solar panel. The reflecting unit having a photovoltaic cell with a first energy band gap and a reflecting surface reflects or focuses sunlight. The reflecting unit converts the sunlight with a wavelength shorter than or equal to x nm into electric energy according to the first energy band gap, and reflects or focuses the sunlight with a wavelength longer than x nm onto the heat absorber and the first solar panel. The heat absorber converts the sunlight that has a wavelength longer than or equal to y nm and is reflected by the reflecting unit into thermal energy. The first solar panel having a photovoltaic cell with a second energy band gap converts the sunlight penetrating the heat absorber and having a wavelength shorter than or equal to z nm into electric energy.
    Type: Grant
    Filed: October 14, 2008
    Date of Patent: January 17, 2012
    Assignee: Sunplus mMedia Inc.
    Inventors: Yi-Chieh Chang, Yarn-Chen Chen
  • Patent number: 8060938
    Abstract: A proprietary portable audio player system for protecting digital content copyrights, which includes a proprietary portable audio player, a web access interface, and an online music server. The proprietary portable audio player has a hardware unique device identity. The proprietary portable audio player has a playback token acquirement mode and uses a first transmission medium to link with the online music server to thereby obtain a playback token for a corresponding music file playback. The online music server pre-stores a plurality of music files with compression formats, a plurality of playback tokens, and a mapping table. When a playback token signal from the web access interface is received, the online music server accordingly issues a playback token corresponding to a specific music file, updates the mapping table, and sends the playback token to the proprietary portable audio player through the first transmission medium.
    Type: Grant
    Filed: May 11, 2007
    Date of Patent: November 15, 2011
    Assignee: Sunplus Technology Co., Ltd.
    Inventor: Yi-Chieh Chang
  • Patent number: 8059391
    Abstract: A portable electronic device includes a first body, a second body and a sliding positioning device. The first body includes a first operation area and a second operation area. The second body is slidable relative to the first body. The sliding positioning device is connected to the first body and the second body to position the second body at a plurality of locations relative to the first body. The second body hides the second operation area and exposes the first operation area when the second body is located at one of the locations.
    Type: Grant
    Filed: August 3, 2010
    Date of Patent: November 15, 2011
    Assignee: Asustek Computer Inc.
    Inventors: Yi-Chieh Chang, Hung-Chang Hung
  • Patent number: 7908272
    Abstract: A Universal Information Code (UIC) resolves the encoding limitation associated with the known 2D bar code format. The UIC includes at least a type field and an index field. The type field indicates application type and format of other fields. The index field provides an index to access a website, categories of information, keyword of information, index or link to associated information and expansion information. The UIC further includes optionally a text description field and an authorization field. The text description field can be used to include a textual description of the website. The authorization field can be used to store password or public key. A mobile terminal device equipped with camera can fetch an image of the 2D bar code in UIC format and then extract related fields for interactive information exchange with a database.
    Type: Grant
    Filed: December 22, 2006
    Date of Patent: March 15, 2011
    Assignee: Sunplus Technology Co., Ltd.
    Inventors: Yi-Chieh Chang, Yarn-Chen Chen
  • Publication number: 20100304803
    Abstract: A portable electronic device includes a first body, a second body and a sliding positioning device. The first body includes a first operation area and a second operation area. The second body is slidable relative to the first body. The sliding positioning device is connected to the first body and the second body to position the second body at a plurality of locations relative to the first body. The second body hides the second operation area and exposes the first operation area when the second body is located at one of the locations.
    Type: Application
    Filed: August 3, 2010
    Publication date: December 2, 2010
    Applicant: ASUSTEK COMPUTER INC.
    Inventors: Yi-Chieh CHANG, Hung-Chang HUNG
  • Patent number: 7791867
    Abstract: A portable electronic device having a sliding keyboard includes a first body, a second body and a sliding positioning device. The first body includes a keyboard area and a plurality of hot keys. The second body is slidingly disposed on the first body. The sliding positioning device is connected to the first body and the second body to position the second body at a plurality of locations relative to the first body. The second body hides the hot keys and exposes the keyboard area when the second body is located at one of the locations.
    Type: Grant
    Filed: June 10, 2008
    Date of Patent: September 7, 2010
    Assignee: Asustek Computer Inc.
    Inventors: Yi-Chieh Chang, Hung-Chang Hung
  • Publication number: 20100170692
    Abstract: The invention discloses a spiral electrical connection device and a slide-type electronic device therewith. The slide-type electronic device includes a base, a cover, and the spiral electrical connection device. The cover is slidably connected to the base. The spiral electrical connection device includes an electrical connection member having a first end and a second end and two connecting portions. The two connecting portions are connected to the first end and the second end of the electrical connection member, respectively. The connecting portions are electrically connected to each other via the electrical connection member, and they are connected to the cover and the base, respectively. The electrical connection member winds around a winding direction to the first end. When the cover moves away from the base, the electrical connection member extends. When the cover moves toward the base, the electrical connection member gathers around.
    Type: Application
    Filed: December 25, 2009
    Publication date: July 8, 2010
    Inventors: Hsin-I Lu, Chin-Chung Lai, Yi-Chieh Chang
  • Publication number: 20100059658
    Abstract: A light source detection device includes first photo sensors disposed on a reference plane along a first direction and a control unit. Each first photo sensor has a first sensing surface for detecting a photo intensity of a light source to output a photo intensity signal. The first sensing surfaces are back to back or face to face. An included angle between a normal vector of one of the first sensing surfaces and a normal vector of the reference plane is equal to an included angle between a normal vector of another one of the first sensing surfaces and the normal vector of the reference plane. The normal vectors are coplanar. The control unit is adapted to receive the photo intensity signals and normalize the difference of the photo intensities of the light source sensed by the first photo sensors, so as to detect a position of the light source.
    Type: Application
    Filed: May 6, 2009
    Publication date: March 11, 2010
    Applicant: SUNPLUS MMEDIA INC.
    Inventors: Yarn-Chen Chen, Yi-Chieh Chang
  • Publication number: 20100059042
    Abstract: A solar tracking and concentration device, including a reflecting unit, a receiving unit, a controlling device, and a plurality of photo sensors, is provided. The receiving unit is used to receive the sunlight reflected and reflected by the reflecting unit. The receiving unit and the reflecting unit face each other. The receiving unit is adapted to move along a first direction. According to the position and the time of the reflecting unit, the controlling device controls a rotation angle of a support element and controls a first moving position of the receiving unit moving along the first direction, in which the support element supports the reflecting unit and the receiving unit. The photo sensors are used to detect the sunlight reflected by the reflecting unit to the receiving unit, and are adapted to output a first feedback signal to calibrate a direction of the receiving unit facing the reflecting unit.
    Type: Application
    Filed: May 5, 2009
    Publication date: March 11, 2010
    Applicant: SUNPLUS MMEDIA INC.
    Inventors: Yi-Chieh Chang, Yarn-Chen Chen
  • Publication number: 20100037934
    Abstract: A solar energy system includes a reflecting unit, a heat absorber and a first solar panel. The reflecting unit having a photovoltaic cell with a first energy band gap and a reflecting surface reflects or focuses sunlight. The reflecting unit converts the sunlight with a wavelength shorter than or equal to x nm into electric energy according to the first energy band gap, and reflects or focuses the sunlight with a wavelength longer than x nm onto the heat absorber and the first solar panel. The heat absorber converts the sunlight that has a wavelength longer than or equal to y nm and is reflected by the reflecting unit into thermal energy. The first solar panel having a photovoltaic cell with a second energy band gap converts the sunlight penetrating the heat absorber and having a wavelength shorter than or equal to z nm into electric energy.
    Type: Application
    Filed: October 14, 2008
    Publication date: February 18, 2010
    Applicant: SUNPLUS MMEDIA INC.
    Inventors: Yi-Chieh Chang, Yarn-Chen Chen