Patents by Inventor Huo-Lu Tsai
Huo-Lu Tsai 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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Patent number: 9035885Abstract: An optical input apparatus is provided and includes an input device for providing data and control signals to a computer; and at least one object sensing module disposed on a top of the input device and each including an optical sensor and a light source. The light source is capable of emitting light upward divergently to create a virtual sensing space above.Type: GrantFiled: July 23, 2013Date of Patent: May 19, 2015Assignee: Sunrex Technology Corp.Inventors: Huo-Lu Tsai, Yung-Lung Liu
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Publication number: 20140168080Abstract: An optical input apparatus is provided and includes an input device for providing data and control signals to a computer; and at least one object sensing module disposed on a top of the input device and each including an optical sensor and a light source. The light source is capable of emitting light upward divergently to create a virtual sensing space above.Type: ApplicationFiled: July 23, 2013Publication date: June 19, 2014Applicant: Sunrex Technology Corp.Inventors: Huo-Lu Tsai, Yung-Lung Liu
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Publication number: 20140132516Abstract: An optical keyboard includes a key assembly for alphanumeric data input; a keyboard housing being an integrally formed rectangular block for surrounding the key assembly, the keyboard housing including a left frame member, a right frame member, a rear frame member, and a front frame member; and at least one actuation sensing module disposed on a periphery of the keyboard housing, each of the at least one actuation sensing module including a light emitting member for emitting light directed to a predetermined space above the key assembly within the keyboard housing to create a sensing zone, and a photo sensor for sensing light emitted from the light emitting member.Type: ApplicationFiled: November 12, 2012Publication date: May 15, 2014Applicant: Sunrex Technology Corp.Inventors: HUO-LU TSAI, Yung-Lung Liu
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BACK LIGHTED MEMBRANE KEYBOARD WITH PARTS BEING SECURED TOGETHER BY SUBJECTING TO ULTRASONIC WELDING
Publication number: 20140014488Abstract: A membrane keyboard is provided with transparent keys each including a bottom key shaft; a key housing including openings for receiving the keys, and downward extending stems; a membrane circuit board below the key housing and including elastic members and a light blocking layer; scissor-shaped structures each including a central opening, two first slide axles, two second slide axles below the first slide axles, a first pivot shaft opposing the first slide axles, and a second pivot shaft opposing the second slide axles and below the first pivot shaft wherein the first slide axles and the first pivot shaft are pivotably secured to the key bottom; a transparent light emitting and guiding plate below and electrically connected to the membrane circuit board; and an aluminum plate below the light emitting and guiding plate and including retaining members for pivotably receiving the second slide axles and the second pivot shaft.Type: ApplicationFiled: July 13, 2012Publication date: January 16, 2014Applicant: Sunrex Technology Corp.Inventor: Huo-Lu Tsai -
Patent number: 8247714Abstract: A back lighted membrane keyboard includes a key housing, a membrane, a key support plate, a membrane circuit board, an insulative plate, a light guide membrane plate, and a base plate. The key housing, the membrane, the key support plate, the membrane circuit board, the insulative plate, and the light guide membrane plate are aligned by inserting stems thereinto. Eventually, these components are subjected to ultrasonic welding to be bound together.Type: GrantFiled: June 8, 2010Date of Patent: August 21, 2012Assignee: Sunrex Technology CorpInventor: Huo-Lu Tsai
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Publication number: 20110304547Abstract: A planarized laser mouse includes left and right base plates; insulative left and right plate members on the left and right base plates respectively, each plate member comprising stop and retaining grooves; left and right scissor-shaped structure assemblies each having at least one scissor-shaped structure pivotably secured to the stop grooves and the first retaining grooves of the left and right membrane plates beneath respectively; and left and right buttons each comprising, on a bottom, a plurality of pivot grooves, a plurality of second retaining grooves, and a central pressing member aligned with the recess of the elastic member, wherein the pivot and second retaining grooves of the left and right buttons are pivotably secured to the at least one scissor-shaped structure of the left and right scissor-shaped structure assemblies beneath respectively.Type: ApplicationFiled: June 10, 2010Publication date: December 15, 2011Applicant: Sunrex Technology Corp.Inventor: Huo-Lu Tsai
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Publication number: 20110297523Abstract: A back lighted membrane keyboard includes a key housing, a membrane, a key support plate, a membrane circuit board, an insulative plate, a light guide membrane plate, and a base plate. The key housing, the membrane, the key support plate, the membrane circuit board, the insulative plate, and the light guide membrane plate are aligned by inserting stems thereinto. Eventually, these components are subjected to ultrasonic welding to be bound together.Type: ApplicationFiled: June 8, 2010Publication date: December 8, 2011Applicant: Sunrex Technology Corp.Inventor: HUO-LU TSAI
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Publication number: 20110290628Abstract: A membrane keyboard includes transparent keys, bridge structures each with the key mounted thereon, a plastic board, a frame board, a film circuit board, an insulative board, a light guide film plate, a base board, and fasteners for fastening the plastic board, the frame board, the film circuit board, the insulative board, and the light guide film plate on the base board. The plastic board, the frame board, the film circuit board, the insulative board, the light guide film plate, the base board, and the fasteners are secured together by subjecting to ultrasonic welding.Type: ApplicationFiled: May 31, 2010Publication date: December 1, 2011Applicant: Sunrex Technology CorpInventor: HUO-LU TSAI
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Patent number: 7969718Abstract: A computer keyboard in one embodiment includes a plurality of keys, each of the keys including a suspension structure and a key body supported by the suspension structure, the key body comprising a color body member, a transparent colorless protective cover formed on the body member, and at least one character formed on the body member by laser engraving through the protective cover onto the body member wherein the body member has a flat top.Type: GrantFiled: June 18, 2009Date of Patent: June 28, 2011Assignee: Sunrex Technology Corp.Inventor: Huo-Lu Tsai
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Patent number: 7939773Abstract: An illuminated keyboard with a light guide plate of the present invention includes a key module and a luminous module located under the key module. The luminous module includes a transparent light guide plate, a plurality of illuminants, and a light reflection plate located under the light guide plate. The light guide plate is provided with a plurality of light input units which are sections formed at the light guide plate. The illuminants are located corresponding to the light input units, and the light emitted by the illuminants is transmitted into the light guide plate via the sections. The light guide plate is provided with a plurality of light output units to provide the light to the key module. Each light output unit is provided with a plurality of light output members. The quantity of the light output members of each light output unit located at the same side of the illuminants increases with the increasing distance between the light output units and the illuminants.Type: GrantFiled: November 7, 2008Date of Patent: May 10, 2011Assignee: Tingo Mold Electronics Technology (Shen Zhen) Co., Ltd.Inventor: Huo-Lu Tsai
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Patent number: 7897885Abstract: A digitizer pen includes a solar cell for converting solar power into electrical energy, an energy storing circuit connected electrically to the solar cell for storing electrical energy therefrom, a magnetic field generating circuit for receiving electrical energy from one of the solar cell and the energy storing circuit, and a pen housing unit for receiving the solar cell, the energy storing circuit and the magnetic field generating circuit.Type: GrantFiled: March 21, 2007Date of Patent: March 1, 2011Inventor: Huo-Lu Tsai
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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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Patent number: 7847204Abstract: A multicolor transparent computer keyboard for operating a computer in a dark environment includes transparent keypads each on a top including spaced transparent color layers occupying four corners and being different in color from each other, an opaque layer on the color layers and having portions overlapped with the color layers being removed, and characters printed on the opaque layer; bridges pivotably interconnecting the key caps and an underlying transparent frame plate; a PCB under the frame plate; and a luminescence panel under the PCB and including cells each below the key cap, each cell including regions of different colors and adapted to electrically activate to upward emit light which is adapted to show multi-color when passing a gap between the color layers and show a backlit color when passing one of the color layers. The backlit color of each color layer is different from that of another color layer.Type: GrantFiled: July 18, 2007Date of Patent: December 7, 2010Assignee: Sunrex Technology Corp.Inventor: Huo-Lu Tsai
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Publication number: 20100253551Abstract: A keyboard includes a seat; a plurality of keys positioned on the seat, the key comprising a vertically depressible bridge and a cap releasably fastened on the bridge; a plurality of primers each formed on the cap; a plurality of paint layers each coated on the primer wherein each of a predetermined number of the paint layers has a piece of a paint scheme selected from a computer; and a plurality of character layers each having a unique character set coated on the paint layer. The keyboard is aesthetic. Further, such type of keyboard featured a specially designed paint scheme on exterior is very competitive in the market.Type: ApplicationFiled: April 7, 2009Publication date: October 7, 2010Applicant: Sunrex Technology Corp.Inventor: HUO-LU TSAI
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Publication number: 20100053870Abstract: A computer keyboard in one embodiment includes a plurality of keys, each of the keys including a suspension structure and a key body supported by the suspension structure, the key body comprising a color body member, a transparent colorless protective cover formed on the body member, and at least one character formed on the body member by laser engraving through the protective cover onto the body member wherein the body member has a flat top.Type: ApplicationFiled: June 18, 2009Publication date: March 4, 2010Applicant: Sunrex Technology Corp.Inventor: HUO-LU TSAI
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Publication number: 20100000426Abstract: Apparatus and method for printing characters on a computer keyboard are provided. The apparatus includes a padding film disposed above a keyboard blank having a plurality of keys, the padding film including a plurality of different characters; and a printing press disposed above the padding film and comprising a plurality of projecting typing heads formed on a bottom, wherein the printing press, the padding film, and the keyboard blank are aligned vertically; and whereby lowering the printing press to push the padding film until the padding film contacts the keyboard blank, and causing the printing press to press the padding film so as to print the characters on the keys by heating, and lifting the printing press will produce the finished computer keyboard.Type: ApplicationFiled: June 18, 2009Publication date: January 7, 2010Applicant: Sunrex Technology Corp.Inventor: HUO-LU TSAI
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Patent number: 7608792Abstract: Membrane keyboard for notebook computer and membrane keypad for cellular phone are provided. For the former, the membrane keyboard includes a frame board comprising units having an aperture; transparent keys comprising a bottom peg; resilient bridge structures on the frame board secured to the bottom of the corresponding key and comprising a central opening; insulative elastic members comprising a downward stem and a top cup; a film circuit board comprising LEDs; a transparent light guide film plate on the film circuit board and comprising bottom light diffusing areas under keys and each having a conductive member raised from center of one of different cavities; and a base board with the film circuit board fastened thereon. The elastic member is secured onto the corresponding light diffusing area and is inserted through the aperture and the opening with the cup securely put on the peg so that the keys may light uniformly.Type: GrantFiled: November 17, 2008Date of Patent: October 27, 2009Assignee: Sunrex Technology Corp.Inventor: Huo-Lu Tsai
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Publication number: 20090256726Abstract: An illuminated keyboard with a light guide plate of the present invention includes a key module and a luminous module located under the key module. The luminous module includes a transparent light guide plate, a plurality of illuminants, and a light reflection plate located under the light guide plate. The light guide plate is provided with a plurality of light input units which are sections formed at the light guide plate. The illuminants are located corresponding to the light input units, and the light emitted by the illuminants is transmitted into the light guide plate via the sections. The light guide plate is provided with a plurality of light output units to provide the light to the key module. Each light output unit is provided with a plurality of light output members. The quantity of the light output members of each light output unit located at the same side of the illuminants increases with the increasing distance between the light output units and the illuminants.Type: ApplicationFiled: November 7, 2008Publication date: October 15, 2009Inventor: HUO-LU TSAI
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Patent number: 7565180Abstract: A dial system for steering wheel of an automobile is divided into two portions electrically connected by a cable and each includes a first casing and a dial set received in the first housing. The dial set includes a number button partially extending the first housing for being operated. A circuit board is received in the first housing for wirelessly transmitting signals when the buttons are operated. A second housing is mounted to the first housing to form a space for receiving the dial set and the circuit board. A battery seat with battery is laterally inserted into the space for providing power to the circuit board. A clamp is mounted to a bottom of the second housing and clamps the steering wheel to hold the dial system in place on the steering wheel for an easy operation.Type: GrantFiled: October 11, 2005Date of Patent: July 21, 2009Assignee: SUNREX Technology Corp.Inventor: Huo-Lu Tsai
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Patent number: 7548770Abstract: A dial system for steering wheel of an automobile includes two dials respectively mounted on the steering wheel and each having a first housing and a dial set received in the first housing. The dial set includes a number button and multiple functional buttons partially extending the first housing for being operated. A circuit board is received in the first housing for wirelessly transmitting signals when the buttons are operated. A second housing is mounted to the first housing to form a space for receiving the dial set and the circuit board. A battery seat with a battery is laterally inserted into the space for providing power to the circuit board. A controller is disposed on the automobile for receiving and processing the signals from the first dial and the second dial.Type: GrantFiled: January 5, 2006Date of Patent: June 16, 2009Assignee: Sunrex Technology Corp.Inventor: Huo-Lu Tsai