Patents by Inventor Chia-Yu Liu

Chia-Yu Liu 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).

  • Patent number: 9298268
    Abstract: An electronic device and an operating method thereof are provided. The operating method includes the following steps: setting whether a near index is valid or invalid in response to a near event or a far event of the device; setting a first tilting angle index valid in response to a tilting angle of the device staying within a first tilting angle range for a first predetermined time period; setting a first angular velocity index valid in response to an angular velocity of the device staying within a first angular velocity range for a second time period; setting a second tilting angle index valid in response to the tilting angle of the device staying within a second tilting angle range for a third predetermined time period and activating a function based on the near index, the first tilting angle index, the first angular velocity index and the second tilting angle index.
    Type: Grant
    Filed: March 25, 2014
    Date of Patent: March 29, 2016
    Assignee: HTC Corporation
    Inventors: Chia-Yu Liu, Chia-Hsiang Chen
  • Publication number: 20160084650
    Abstract: An optical sensor includes at least two optical sensing pixels and at least two different grating elements. These grating elements are disposed above these optical sensing pixels correspondingly.
    Type: Application
    Filed: May 21, 2015
    Publication date: March 24, 2016
    Inventors: EN-FENG HSU, CHIA-YU LIU
  • Patent number: 9261904
    Abstract: A point of sale system includes a display device, a pivoting mechanism, a first electronic component and a base having a top surface. The display device includes a casing formed with a first receiving groove and a screen coupled to the casing and movable relative to the base between unfolded and folded positions. The pivoting mechanism interconnects pivotally the display device and the base. The first electronic component is connected to the casing and is movable between an inactive position where the first electronic component is retracted within the first receiving groove, and an active position where the first electronic component protrudes out of the first receiving groove.
    Type: Grant
    Filed: September 16, 2013
    Date of Patent: February 16, 2016
    Assignee: Top Victory Investments Limited
    Inventors: Chia-Yu Liu, Yi-Sheng Lin, Kuo-Chiang Chuang
  • Publication number: 20150212582
    Abstract: An electronic device and an operating method thereof are provided. The operating method includes the following steps: setting whether a near index is valid or invalid in response to a near event or a far event of the device; setting a first tilting angle index valid in response to a tilting angle of the device staying within a first tilting angle range for a first predetermined time period; setting a first angular velocity index valid in response to an angular velocity of the device staying within a first angular velocity range for a second time period; setting a second tilting angle index valid in response to the tilting angle of the device staying within a second tilting angle range for a third predetermined time period ad activating a function based on the near index, the first tilting angle index the first angular velocity index and the second tilting angle index.
    Type: Application
    Filed: March 25, 2014
    Publication date: July 30, 2015
    Applicant: HTC Corporation
    Inventors: Chia-Yu LIU, Chia-Hsiang CHEN
  • Publication number: 20150211675
    Abstract: A device adjustable support comprises a bracket plate and a coupling mechanism including: a guiding track that is securely integrated with the bracket plate and that extends along a first curved and non-circumferential line; a course-keeping member that is integrated with the bracket plate; a first connector that is connected slidably to the guiding track so as to be slidable on the bracket plate along the first curved and non-circumferential line; and a second connector that is connected movably to the course-keeping member so as to keep sliding movement of the first connector along the guiding track.
    Type: Application
    Filed: January 27, 2014
    Publication date: July 30, 2015
    Applicant: Top Victory Investments Limited
    Inventors: Jenq-Huey SHYU, Yao-Jen Yeh, Tung-Jung Hsueh, Chia-Yu Liu, Yi-Sheng Lin
  • Publication number: 20150077916
    Abstract: A point of sale system includes a display device, a pivoting mechanism, a first electronic component and a base having a top surface. The display device includes a casing formed with a first receiving groove and a screen coupled to the casing and movable relative to the base between unfolded and folded positions. The pivoting mechanism interconnects pivotally the display device and the base. The first electronic component is connected to the casing and is movable between an inactive position where the first electronic component is retracted within the first receiving groove, and an active position where the first electronic component protrudes out of the first receiving groove.
    Type: Application
    Filed: September 16, 2013
    Publication date: March 19, 2015
    Applicant: TOP VICTORY INVESTMENTS LIMITED
    Inventors: Chia-Yu Liu, Yi-Sheng Lin, Kuo-Chiang Chuang
  • Publication number: 20140197305
    Abstract: There is provided an optical apparatus including a substrate, a light emitting device, a light sensitive device and a plurality of micro-lenses. The light emitting device is disposed on the substrate and adapted to provide a light beam. The light sensitive device is disposed on the substrate and adapted to receive a light beam reflected from an object, wherein the light sensitive device has a plurality of photosensitive units arranged in matrix. The micro-lenses are disposed above the light sensitive device and respectively opposite to the associated photosensitive units. There is further provided a light sensitive device with micro-lens and a manufacturing method thereof.
    Type: Application
    Filed: December 31, 2013
    Publication date: July 17, 2014
    Applicant: PIXART IMAGING INC.
    Inventors: EN-FENG HSU, CHIA-YU LIU, CHING-WEI CHEN
  • Publication number: 20120020725
    Abstract: A furniture connector includes a main body and a bolt. The bolt has a positioning portion, and the main body has a bolt hole. An expending chamber is formed to the bolt hole. At least one tooth is formed to a wall of the expending chamber. The at least one tooth serves to engage the positioning portion of the bolt while the bolt is inserted into the bolt hole. A secure connection is achieved fast and efficiently without the screws.
    Type: Application
    Filed: July 22, 2010
    Publication date: January 26, 2012
    Inventor: CHIA-YU LIU
  • Patent number: 7804422
    Abstract: A lighting device includes a light-emitting element, an ultrasonic member, a signal processing unit, a light control unit, an indicator and an indicator control unit. The light-emitting element emits a light. The ultrasonic member emits an ultrasonic signal and receives the ultrasonic signal reflected from an object. The signal processing unit is communicated with the ultrasonic member for converting the reflected ultrasonic signal into a control signal. The light control unit is interconnected between the signal processing unit and the light-emitting element for controlling the light-emitting element to emit light in a selected operating mode in response to the control signal. The indicator control unit is interconnected between the signal processing unit and the indicator for controlling the indicator to assert a notification signal indicative of the operating mode in response to the control signal.
    Type: Grant
    Filed: April 17, 2008
    Date of Patent: September 28, 2010
    Assignee: Lite-On It Corporation
    Inventors: Chia-Yu Liu, Tzu-Nan Chen
  • Patent number: 7753559
    Abstract: A lighting device includes a light source, at least one seal block, at least one wavelength conversion material and a concentration adjusting unit. The light source emits light of a first wavelength. The wavelength conversion material is filled in the seal block. The concentration adjusting unit is disposed on the seal block for controlling concentration distribution of the wavelength conversion material in the seal block. The light emitted by the light source is absorbed by the wavelength conversion material and converted into light of second wavelength different from the first wavelength.
    Type: Grant
    Filed: June 24, 2008
    Date of Patent: July 13, 2010
    Assignee: Lite-On It Corporation
    Inventor: Chia-Yu Liu
  • Publication number: 20100053975
    Abstract: A lighting apparatus for producing a ring illumination pattern, it comprises: a light emitting diode for producing a light beam; and an optical reflective surface for reflecting the light beam to form the ring illumination pattern, wherein the reflective surface can be a hyperboloid, an ellipsoid or a paraboloid.
    Type: Application
    Filed: July 30, 2009
    Publication date: March 4, 2010
    Applicant: LITE-ON IT CORPORATION
    Inventor: Chia-Yu Liu
  • Publication number: 20090122546
    Abstract: A movable lighting system includes at least one lighting unit. The lighting unit includes a light source and a reflector. The reflector encloses the light source and includes a main body and an exit facet. The exit facet of the reflector is beveled with respect to the horizon and adjustable to provide a desired illumination zone and a desired illumination-covering area.
    Type: Application
    Filed: April 17, 2008
    Publication date: May 14, 2009
    Applicant: Lite-On IT Corporation
    Inventor: Chia-Yu Liu
  • Publication number: 20090116218
    Abstract: A lighting device includes a light source, at least one seal block, at least one wavelength conversion material and a concentration adjusting unit. The light source emits light of a first wavelength. The wavelength conversion material is filled in the seal block. The concentration adjusting unit is disposed on the seal block for controlling concentration distribution of the wavelength conversion material in the seal block. The light emitted by the light source is absorbed by the wavelength conversion material and converted into light of second wavelength different from the first wavelength.
    Type: Application
    Filed: June 24, 2008
    Publication date: May 7, 2009
    Applicant: LITE-ON IT CORPORATION
    Inventor: Chia-Yu Liu
  • Publication number: 20090109353
    Abstract: A lighting device includes a light-emitting element, an ultrasonic member, a signal processing unit, a light control unit, an indicator and an indicator control unit. The light-emitting element emits a light. The ultrasonic member emits an ultrasonic signal and receives the ultrasonic signal reflected from an object. The signal processing unit is communicated with the ultrasonic member for converting the reflected ultrasonic signal into a control signal. The light control unit is interconnected between the signal processing unit and the light-emitting element for controlling the light-emitting element to emit light in a selected operating mode in response to the control signal. The indicator control unit is interconnected between the signal processing unit and the indicator for controlling the indicator to assert a notification signal indicative of the operating mode in response to the control signal.
    Type: Application
    Filed: April 17, 2008
    Publication date: April 30, 2009
    Applicant: LITE-ON IT CORPORATION
    Inventors: Chia-Yu Liu, Tzu-Nan Chen
  • Patent number: 7167322
    Abstract: A beam shaping apparatus including an optical lens is provided. The optical lens includes a diverging surface and a cylindrical surface. The diverging surface expands the input laser beam into a uniform line in one plane. The cylindrical surface converges the laser beam in another plane. Therefore, the output laser line has the desired width and the uniform density along its length.
    Type: Grant
    Filed: May 3, 2005
    Date of Patent: January 23, 2007
    Assignee: Industrial Technology Research Institute
    Inventors: Jyh-Long Chern, Chia-Yu Liu, Hau-Wei Wang, Fu-Shiang Yang
  • Publication number: 20060250703
    Abstract: A beam shaping apparatus including an optical lens is provided. The optical lens includes a diverging surface and a cylindrical surface. The diverging surface expands the input laser beam into a uniform line in one plane. The cylindrical surface converges the laser beam in another plane. Therefore, the output laser line has the desired width and the uniform density along its length.
    Type: Application
    Filed: May 3, 2005
    Publication date: November 9, 2006
    Applicant: Industrial Technology Research Institute, a corporation organized under the laws of Taiwan
    Inventors: Jyh-Long Chern, Chia-Yu Liu, Hau-Wei Wang, Fu-Shiang Yang
  • Patent number: 7050123
    Abstract: An assembled housing of rear projection television comprising a foldable main framework and a foldable back cover is disclosed. The main framework is a flat structure as folded, while the main framework forms a ring structure as unfolded. The ring structure includes a front opening and a back opening, while the back cover is positioned in the back opening to form a chamber. The foldable design of the housing facilitates the users and the vendors to assemble the rear projection television, and also reduce the hardware space occupied by the housing, so as to reduce the cost of transportation compared to a traditional rear projection television.
    Type: Grant
    Filed: December 6, 2002
    Date of Patent: May 23, 2006
    Assignee: Benq Corporation
    Inventors: Chia-Yu Liu, Chang-Chien Li, Chih-Kang Peng, Wen-Chung Ho, Chi-Hong Chen
  • Patent number: 7018082
    Abstract: A light bulb assembly with reduced tolerance for engaging a light bulb to a light engine. The light bulb has a first positioning portion. The light bulb assembly has a light machine and a light bulb frame. The light machine has a second positioning portion and an engaging portion for fixing the light bulb in a determined position when the first positioning portion of the light bulb abuts the second positioning portion. The light bulb frame is relatively fixed to the light machine for supporting the light bulb; the light bulb frame has a leaning portion for leaning on the first positioning portion of the light bulb, and an elastic pressure portion for applying three-dimensional pressure on the light bulb for moving toward the determined position.
    Type: Grant
    Filed: December 17, 2002
    Date of Patent: March 28, 2006
    Assignee: Benq Corporation
    Inventors: Chia-Yu Liu, Li-Kuan Wong
  • Patent number: 6778338
    Abstract: A shield assembly for a built-in lens set is introduced to a lens set built in a housing, in which the lens set has an optical head and the housing provides an aperture with respective to the optical head. A protrusive enclosure surrounding the aperture protrudes toward the optical head and is spaced from the optical head by a variable slim spacing. The shield assembly includes a shield ring for sleeving both the optical head and the protrusive enclosure and an elastic connecting unit for bridging the shield ring and the housing. By providing the shield ring to enclose always the spacing and the elastic connecting unit to engage elastically the lens set with the housing, the lens set can be prevented from dust-contaminating through the aperture, aged axial offsetting problem, and poor focus-adjusting performance caused by backlash existing in a driving mechanism.
    Type: Grant
    Filed: March 6, 2003
    Date of Patent: August 17, 2004
    Assignee: Benq Corporation
    Inventors: Chia-Yu Liu, Chang-Chein Li
  • Publication number: 20040084588
    Abstract: A flat display with replaceable stand. The flat display comprises a first stand, a second stand detachably connected to the first stand, and a main body selectively supported by the second stand while the first stand is connected to the second stand or merely by the main body, wherein the first stand is hinged on the main body.
    Type: Application
    Filed: July 7, 2003
    Publication date: May 6, 2004
    Applicant: BENQ CORPORATION
    Inventors: Chia-Yu Liu, Lien-Wen Chang, Chang-Chien Li