Patents by Inventor Yung-Lung Liu
Yung-Lung 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).
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Publication number: 20110286170Abstract: An inverted U-shaped frame includes a coupling at either end of the inverted U-shaped frame for pivotably securing to front corners of an electronic device (e.g., laptop or computer keyboard); a micro-projector pivotably mounted on a transverse part of the inverted U-shaped frame; and a camera pivotably mounted on the transverse part of the inverted U-shaped frame besides the micro-projector.Type: ApplicationFiled: May 24, 2010Publication date: November 24, 2011Applicant: Sunrex Technology Corp.Inventor: YUNG-LUNG LIU
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Publication number: 20110279688Abstract: A laptop includes a housing; a keyboard mounted on the housing; a rectangular frame element pivotably secured to a front end of the housing and being adapted to open or close onto the keyboard; a screen enclosed by the frame element; an inverted U-shaped frame member pivotably secured to front corners of the housing and being adapted to open or close onto the frame element; a micro-projector pivotably mounted on a transverse part of the frame member; and a camera pivotably mounted on the transverse part of the frame member besides the micro-projector.Type: ApplicationFiled: May 17, 2010Publication date: November 17, 2011Applicant: Sunrex Technology Corp.Inventor: YUNG-LUNG LIU
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Publication number: 20110279287Abstract: A keyboard includes a laser pointer for generating laser radiation, and a micro-gyroscope for measuring a rotational angular speed or angular acceleration when the keyboard swings.Type: ApplicationFiled: May 12, 2010Publication date: November 17, 2011Applicant: Sunrex Technology Corp.Inventor: YUNG-LUNG LIU
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Publication number: 20110279687Abstract: A notebook computer includes a housing comprising a keyboard; an LCD pivotably mounted to a front edge of the housing; an inverted U shaped frame pivotably mounted to the front edge of the housing wherein the frame and the LCD are adapted to rest upon the housing by pivoting; a pivotal pico-projector on the frame; and a pivotal digital camera on the frame. The notebook computer provides more features for use choice.Type: ApplicationFiled: May 12, 2010Publication date: November 17, 2011Applicant: Sunrex Technology Corp.Inventor: YUNG-LUNG LIU
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Publication number: 20110221676Abstract: An optical mouse with touch sensitive top includes a curved top including front clickable right and left buttons and a touch sensitive member extending rearward from the buttons, the touch sensitive member including a plurality of virtual buttons which are sensitive to touch; and a capacitive sensor assembly under the touch sensitive member and including first and conductive layers each being flexible and curved. In addition to button clicking and wheel scrolling, a user may press the virtual button for computer operation similar to a touchscreen operation.Type: ApplicationFiled: March 11, 2010Publication date: September 15, 2011Applicant: Sunrex Technology Corp.Inventor: YUNG-LUNG LIU
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Publication number: 20110223865Abstract: A Bluetooth apparatus is mounted to a computer input device (e.g., mouse) and includes a Bluetooth module for storing a plurality of unique IDs each corresponding to one of a plurality of Bluetooth-actuated computers, the Bluetooth module comprising a push button switch projecting out of the computer input device and a Bluetooth signal transmission unit electrically connected to a PCB of the computer input device; and a plurality of LED indicators mounted on a housing of the computer input device and electrically connected to the PCB. A pressing of the push button switch will switch the computer being operated to be idle and activate a next computer.Type: ApplicationFiled: March 15, 2010Publication date: September 15, 2011Applicant: Sunrex Technology Corp.Inventor: YUNG-LUNG LIU
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Publication number: 20110163959Abstract: A computer mouse in one embodiment includes an arcuate cover comprising a plurality of projections on a top surface; a capacitance trigger assembly aligned with the projections thereabove and comprising a flexible arcuate first capacitive film and a flexible arcuate second capacitive film therebelow; a printed circuit board disposed under the capacitance trigger assembly and comprising a photodetector array on an underside and a microprocessor; and a base releasably secured to the cover and comprising a light guide. In response to a touch of the projection, a button clicking action is triggered.Type: ApplicationFiled: January 6, 2010Publication date: July 7, 2011Applicant: Sunrex Technology Corp.Inventor: YUNG-LUNG LIU
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Publication number: 20110162944Abstract: A laptop keyboard in one embodiment includes a rectangular key printing film formed of an optically transmissive material and comprising keys; a rectangular luminescent sheet formed of optically transmissive silicone rubber, the luminescent sheet being mounted below the key printing film; an LED light source disposed to a side of the luminescent sheet; and a capacitive layer mounted below the luminescent sheet and comprising an insulative layer and pairs of upper and lower conductors wherein a pressing of the key changes capacitance of the pair of upper and lower conductors for typing or performing a predetermined command. Light emitted by the LED light source is directed to the luminescent sheet which in turn directs the light upward toward the key printing film.Type: ApplicationFiled: January 6, 2010Publication date: July 7, 2011Applicant: Sunrex Technology Corp.Inventors: YUNG-LUNG LIU, SHIH-PIN LIN
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Patent number: 7894197Abstract: An optical sensing module is adapted to be assembled to a frame of a display device. The display device comprises a display module and the frame, and the display module has a display area and the frame surrounds the display area. The optical sensing module comprises a casing and an optical sensor. The casing is pivoted to the frame and the optical sensor is configured in the casing for sensing external light projecting on a side of the casing. The optical sensor is capable of sensing a brightness of the display area when the side of the casing faces the display area and sensing a brightness of an ambient light when the side of the casing doesn't face the display area.Type: GrantFiled: December 4, 2007Date of Patent: February 22, 2011Assignee: Coretronic CorporationInventors: Wei-Cheng Hwang, Chao-Wen Liu, Yung-Lung Liu, Chwen-Tay Hwang
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Publication number: 20110025513Abstract: A method for carrying out a single touch operation by means of a plurality of function keys and a mouse of a computer in one embodiment is provided. The method includes the steps of (a) enabling a sensor to detects an input signal; (b) determining whether one of the function keys is pressed by processing the input signal; (c) if the determination in step (b) is yes, the method continuing to step (d) else the method looping back to step (b); (d) detecting a movement of the mouse; (e) determining which one of the function keys is pressed; and (f) performing an operation corresponding to the pressed function key by cooperating with the movement of the mouse if the detection of the movement of the mouse is positive.Type: ApplicationFiled: July 30, 2009Publication date: February 3, 2011Applicant: Sunrex Technology Corp.Inventor: YUNG-LUNG LIU
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Publication number: 20100321298Abstract: A keyboard and touchpad combination for a computer in one embodiment includes a hollow frame; a touchpad fitted in frame; a character membrane comprising printed characters; a rubber keyboard comprising raised top keys and guide stems each extending downward from the key; a brace board for positioning the rubber keyboard and comprising holes for loosely receiving the keys; a membrane circuit board comprising dome switches each corresponding to the guide stem thereabove, each dome switch including a conductive contact on a top of its inner surface, and pairs of conductive lines, each pair of the conductive lines being directly below the conductive contact; and a bottom plate. The keyboard and touchpad combination can be operated as a keyboard or a touchpad.Type: ApplicationFiled: June 17, 2009Publication date: December 23, 2010Applicant: Sunrex Technology Corp.Inventors: HUO-LU TSAI, Yung-Lung Liu
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Publication number: 20090160834Abstract: A display screen with a display area includes a frame and a sensor module. The frame surrounds the display area. The sensor module is mounted on the frame and includes a mount disposed on the frame and a slidable assembly slidably disposed on the mount and including an ambient light sensor and a screen light sensor, wherein the ambient light sensor and the screen light sensor are disposed on two opposite sides of the slidable assembly respectively. When a side of the slidable assembly on which the screen light sensor is disposed faces the display area, the screen light sensor detects brightness of the display area. When the side of the slidable assembly does not face the display area, the ambient light sensor detects brightness of an ambiance.Type: ApplicationFiled: May 27, 2008Publication date: June 25, 2009Applicant: CORETRONIC CORPORATIONInventors: Tsung-Chi TSENG, Yung-Lung LIU
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Publication number: 20090057534Abstract: The invention discloses light source devices applied in backlight modules of image display panels. The light source device includes a current source unit generating a driving current, a plurality of light emitting units coupled in series to the current source unit, a plurality of current shunts corresponding to the light emitting units respectively and providing current bypasses for the driving current to bypass the corresponding light emitting units, a plurality of light sensing units sensing the brightness of the light emitting units, and a control unit generating a plurality of current shunt control signals for separately controlling the current shunts. Each of the current shunt control signals is generated according to the sensed brightness of the corresponding light emitting unit and is used in controlling the conduction statement of the current bypass provided by the corresponding current shunt.Type: ApplicationFiled: March 3, 2008Publication date: March 5, 2009Applicant: CORETRONIC CORPORATIONInventors: Chao-Wen Liu, Yung-Lung Liu
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Publication number: 20080316472Abstract: An optical sensing module is adapted to be assembled to a frame of a display device. The display device comprises a display module and the frame, and the display module has a display area and the frame surrounds the display area. The optical sensing module comprises a casing and an optical sensor. The casing is pivoted to the frame and the optical sensor is configured in the casing for sensing external light projecting on a side of the casing. The optical sensor is capable of sensing a brightness of the display area when the side of the casing faces the display area and sensing a brightness of an ambient light when the side of the casing doesn't face the display area.Type: ApplicationFiled: December 4, 2007Publication date: December 25, 2008Applicant: CORETRONIC CORPORATIONInventors: Wei-Cheng Hwang, Chao-Wen Liu, Yung-Lung Liu, Chwen-Tay Hwang
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Publication number: 20080231596Abstract: A key shaped pointing device adapted to mounted on a keyboard of a notebook computer, a keypad of a mobile phone, or a keyboard of a PC includes a substrate including two opposite top latches; a circuit board releasably secured to the substrate; a chip fixedly mounted on the substrate and including a light source, a photosensor, and a processor; and a casing including a transparent top window and opposite openings releasably secured to the latches. The finger as a reflection member is adapted to contact the window for creating a first optical path from the light source to the photosensor via the finger. A movement of the finger is adapted to create a second optical path. The processor is adapted to calculate a direction and a distance corresponding to the movement by comparing the second optical path with the first optical path for generating a cursor control output.Type: ApplicationFiled: March 19, 2007Publication date: September 25, 2008Inventors: Yung-Lung Liu, Cheng-Tsung Juan
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Publication number: 20080231476Abstract: A riser, ridge based touch keypad for a portable electronic device (e.g., mobile phone or flex pointer) is disclosed such that either in a dark environment a person with good eyesight or a person with decreased visual acuity may feel the riser(s) and the ridges representing a unique pattern with the finger in order to find the desired hidden key associated with the unique pattern prior to pressing. A couple of embodiments are also disclosed.Type: ApplicationFiled: March 19, 2007Publication date: September 25, 2008Inventor: YUNG-LUNG LIU
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Publication number: 20080142690Abstract: A trackball in one embodiment includes a PCB including an aperture, a socket including upper and lower chambers communicated with each other, rollers disposed around bottom of the upper chamber, a ball rotatably supported by the rollers, a ring cover secured to the socket, a light guide plate mounted between the socket and the PCB and including an inclined light guide tube and an optical element; and an optical assembly mounted under the aperture and including a light source (e.g., LED) for emitting light through the light guide tube prior to impinging on the ball, and a photosensor. Rolling the ball will reflect the light from the ball through the optical element to be received by the photosensor such that the rotational movement of the ball can convert into a digital signal useable to move a cursor a corresponding distance and direction on a display.Type: ApplicationFiled: November 30, 2006Publication date: June 19, 2008Inventors: Yung-Lung Liu, Shin-Pin Lin
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Publication number: 20080128596Abstract: A trackball in one embodiment includes a socket mounted on a PCB and including an upper chamber, a lower chamber in communication with the upper chamber, an opening on a periphery of the lower chamber, rollers disposed around a bottom of the upper chamber, a ball mounted in the upper chamber and rotatably supported by the rollers, a ring cover secured to the socket for projecting an upper portion of the ball therefrom, a light source (e.g., laser diode) mounted in the opening for emitting light onto a lower portion of the ball, and a photosensor mounted under an aperture of the PCB. Rolling the ball will reflect the light from the ball to the photosensor such that the rotational movement of the ball can be converted into a digital signal useable to move a cursor a corresponding distance and direction on a display of, for example, a keyboard.Type: ApplicationFiled: November 30, 2006Publication date: June 5, 2008Inventors: YUNG-LUNG LIU, Shih-Pin Lin
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Patent number: 7378990Abstract: A laser locus ball apparatus for a wireless keyboard includes a base, a laser source generator, a locus ball, a light sensing element and a key cover. The base provides a lateral plate with a locating hole to locate the laser source generator and has another two opposite lateral plates with an engaging wedge at the bottom edge thereof to engage with the key cover. The top plate of the base has a supporting bore to receive the locus ball. A containing space is formed in the base to accommodate the optical sensing element. The laser source generator emits laser to the lower surface of the locus ball. The locus ball is movably received in and supported with the supporting bore such that the lower surface thereof extending downward from the supporting bore to reflect interference stripe figure during the lower surface of the locus ball receiving the laser. The light sensing element senses the laser interference stripe figure within every preset unit time.Type: GrantFiled: April 19, 2006Date of Patent: May 27, 2008Assignee: Sunrex Technology Corp.Inventors: Yung-Lung Liu, Yuan-I Yu
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Publication number: 20080088423Abstract: A control with display for RF wireless signal light includes a wireless remote control device and a sound-light warning device. The wireless remote control device further includes a light signal controller, a light signal switch circuit, a RF wireless signal emitter and a first battery set. The sound-light warning device further includes a RF wireless signal receiver, a light signal control circuit, a LED display, a buzzer and a second battery set. The RF wireless signal receiver receives the remote control signal from the RF wireless signal emitter. The remote control signal is treated as a turn signal or flash warning signal to be shown on the LED display and allow the buzzer producing warning sound with light.Type: ApplicationFiled: October 11, 2006Publication date: April 17, 2008Inventor: Yung-Lung Liu