Patents Represented by Attorney Apex Juris, pllc

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  • Headphone device
    Patent number: 7720246
    Abstract: A headphone device includes a sound amplifying member, a connecting member and a fixing member. The sound amplifying member includes a first speaker and a second speaker for outputting a sound. The connecting member is interconnected between the first speaker and the second speaker and made of first flexible material. The connecting member is flexibly wound around the first speaker and the second speaker. The fixing member is coupled to the sound amplifying member for securing the connecting member thereon after the connecting member is wound around the first speaker and the second speaker.
    Type: Grant
    Filed: July 18, 2006
    Date of Patent: May 18, 2010
    Assignee: Primax Electronics Ltd.
    Inventors: Han-Kai Wang, Kris Verstockt, Chen-Han Sung
  • Wireless mouse
    Patent number: 7714841
    Abstract: A wireless mouse includes a rotatable backdoor, a damper and a clasping member. The backdoor has an engaging element. The damper is mounted onto the lower base and includes a rotary member. When the clasping member is engaged with the engaging element, the backdoor is closed. Due to the rotational resistance provided by the damper, the backdoor can be slowly opened.
    Type: Grant
    Filed: July 5, 2006
    Date of Patent: May 11, 2010
    Assignee: Primax Electronics Ltd.
    Inventor: Hong-Che Yen
  • Coil zipper structure
    Patent number: 7703183
    Abstract: A coil zipper structure for elongating the life time of the conventional zipper that includes a first coil and a second coil, wherein the first coil and the second coil are respectively formed by linking plural engaging rings, and each engaging ring has a teeth portion for mutual engagement; and a sliding element, mounted between the first coil and the second coil for separating or engaging the engaging rings, wherein the engaging ring has an upper edge portion and a lower edge portion, in which the lower edge portion is fixed on a base cloth and the upper edge portion has a strengthened flat surface. Since the upper edge portion of the engaging ring is the strengthened flat surface, the collision or pulling and dragging between the sliding element and the upper edge portion can be reduced, so as to elongating the life time of the zipper.
    Type: Grant
    Filed: September 14, 2007
    Date of Patent: April 27, 2010
    Inventor: Wen-Chun Weng
  • Scanning module of image scanner
    Patent number: 7706041
    Abstract: A scanning module of an image scanner for scanning a document includes a base, a reflective mirror stand mounted on the base, a shaft rotatably mounted on the reflective mirror stand, a reflective mirror member fixed on the shaft and rotatable with the shaft, and a gear set pivotally coupled to the shaft for rotating and driving the shaft to adjust the reflective angle of the reflective mirror member.
    Type: Grant
    Filed: June 5, 2006
    Date of Patent: April 27, 2010
    Assignee: Primax Electronics Ltd.
    Inventors: Hsi-Yu Chen, Kuan-Yang Chen
  • Surge protection circuit
    Patent number: 7701687
    Abstract: A surge protection circuit includes a first surge absorber and a first conducting wire. The first surge absorber has an end electrically connected to a first power signal line. The first conducting wire is covered with insulating material and electrically connected to the other end of the first surge absorber and a second power signal line. The first surge absorber absorbs energy of a surge signal in a short-circuit state when the surge signal flows through the first power signal line or the second power signal line. Afterwards, the first conducting wire which is connected to the first surge absorber in series is damaged by the energy of the surge signal to enter an interrupted state, thereby protecting a signal processing device which is electrically connected to the first power signal line and the second power signal line.
    Type: Grant
    Filed: March 10, 2006
    Date of Patent: April 20, 2010
    Assignee: Primax Electronics Ltd.
    Inventors: Kuang-Che Chen, Her-Jun Chueh
  • Piezoelectric micro-pump and driving circuit thereof
    Patent number: 7679262
    Abstract: The present invention is a driving circuit applied to a piezoelectric activation element, which comprises: a driving period generation unit and a switch circuit unit.
    Type: Grant
    Filed: May 6, 2008
    Date of Patent: March 16, 2010
    Assignee: MicroBase Technology Corp.
    Inventors: Hsien-Kai Meng, Shu-Pin Hsien, Chien-Hua Lin, Yu-Chung Hsu, Tai-Hsuan Lin
  • Ratchet screwdriver
    Patent number: 7677138
    Abstract: A ratchet screwdriver includes a handle, a ratchet, a shaft, a finger ring and a tool. The handle has a body having a receiving chamber and a front through hole. The receiving chamber is formed in the body and communicates with the front through hole. The ratchet is mounted securely in the receiving chamber and has a driving protrusion and a drive selector. The shaft is mounted rotatably in the body and has a proximal end mounted securely on the keyed driving protrusion. The finger ring is mounted securely around the shaft outside the body and is smaller than the handle to allow quick and easy rotation of the shaft. The tool is selectively mounted securely in the shaft.
    Type: Grant
    Filed: January 17, 2008
    Date of Patent: March 16, 2010
    Inventor: Chia-Yun Lin
  • Gravity-controlled constant-pressure and pressure-regulation device
    Patent number: 7677269
    Abstract: A gravity-controlled constant-pressure and pressure-regulation device includes a canister, a weight block, and a seal head. The canister includes a metal layer, an epoxy resin layer, and a plastic sheet layer. The metal layer serves as an inner lining. The epoxy resin layer surrounds an outer circumference of the metal layer. The plastic sheet layer surrounds an outer circumference of the epoxy resin layer. The weight block is movably received in the canister. The metal layer has an inner surface movably and receivingly engages the seal head. The weight block is mounted to the seal head. The weight block is movable upward and downward inside the canister by being acted upon by a gravity force of weight thereof and a lifting force induced by an internal pressure inside the canister to effect mass storage of air inside the canister and stable supply air at constant pressure.
    Type: Grant
    Filed: February 15, 2007
    Date of Patent: March 16, 2010
    Inventor: Ming-Hung Lin
  • Cursor control device
    Patent number: 7667688
    Abstract: A cursor control device includes a main body, a circuit board, a base, a touch support stand, a touch sensor and a knock sensor. The circuit board is disposed within the main body. The base is disposed within the main body and above the circuit board, and includes an elongated slot. The touch support stand is mounted on the base and aligned with the elongated slot. The touch sensor is supported on the touch support stand and electrically connected to the circuit board. In response to a touching action on the touch sensor, a screen scrolling signal is generated. The knock sensor is mounted on the circuit board and under the touch support stand. The knock sensor is triggered when the touch support stand is moved to touch the knock sensor.
    Type: Grant
    Filed: July 6, 2006
    Date of Patent: February 23, 2010
    Assignee: Primax Electronics Ltd.
    Inventors: Hsiao-Lung Chiang, Chun-Nan Su, Hong-Che Yen, Chih-Hung Lin
  • Air-tightness strengthening air enclosure
    Patent number: 7665609
    Abstract: An air-tightness strengthening air enclosure comprises two outer films folded together vertically and two inner films disposed between the two outer films, the two inner films are adhered to each other by means of hot sealing and an air filling passageway is formed on one end of the two outer films, the inner film and the single outer film are adhered to each other by means of hot sealing to form buffer rooms at one side of the air filling passageway and next, the two outer films are adhered to each other by means of hot sealing to form air chambers at one end of the air filling passageway, and the air chambers are communicated with the air filling passageway. Whereby, the air filling speed can be faster, and the air in the buffer room presses the two inner films to shield the air filling passageway to prevent the air from being leaked out after the air in the air chamber flows into the buffer room.
    Type: Grant
    Filed: June 5, 2007
    Date of Patent: February 23, 2010
    Inventors: Chian Hua Liao, Yao Sin Liao, Bo Xin Jian
  • Shoe-hold apparatus for drum brake device
    Patent number: 7654372
    Abstract: To accomplish both prevention of disengagement of the shoe-hold spring from the shoe-hold apparatus and improvement of the assemblability of the same. The shoe-hold pin has the small diameter portion and the large diameter portion. One end opened slots are formed at the pair of arms of the U-shaped shoe-hold spring, and the slots are such that the small diameter portion of the shoe-hold pin is passable therethrough and the large diameter portion is non-passable. The pin-insertion hole, which is continuous to the slot of the web side arm and may position the large diameter portion therein, is formed in the web side arm and restricts the shoe-hold spring from disengaging therefrom when the large diameter portion of the shoe-hold pin is positioned in the pin-insertion hole.
    Type: Grant
    Filed: January 16, 2009
    Date of Patent: February 2, 2010
    Assignee: Nisshinbo Holdings, Inc.
    Inventors: Takashi Ikeda, Yasunobu Sugii
  • Automatic work-piece setting method
    Patent number: 7640645
    Abstract: A method for automation of conventional manual operation of setting the work-pieces on the hanger (H) for transporting the work-pieces, which moves such as in the surface treatment equipment (300), so as to provide the labor and power saving effect, to improve the efficiency on the operation, and to further improve the quality of the surface of the work-piece after treatment, comprises the process to separate and align plural work-pieces which are joined and aligned; the process to support the skewer-shaped supporting member (K) supporting plural separated and aligned work-pieces while maintaining the separated and aligned configuration; and the process to hang the skewer-shaped supporting member (K) supporting the work-pieces in the separated and aligned configuration on the hanger (H).
    Type: Grant
    Filed: August 8, 2006
    Date of Patent: January 5, 2010
    Assignee: Nisshinbo Holdings, Inc.
    Inventor: Mitsutoshi Kurata
  • Electrostatic precipitator
    Patent number: 7641718
    Abstract: The electrostatic precipitator (1) includes the housing (8) having the air duct (7) for communicating between the inlet (4) for sucking the contaminated air (3) and the outlet (6) for discharging the cleaned air (5), the air flow generator (10) generating the air flow (9) in the air duct (7), the collecting section (14) having a plurality of adsorption plates (13) rotating in accordance with the adsorption shaft (11), and the discharge section (24) equipped with the charging plate (20) having the discharge surface (21) opposing the adsorption surface (12) of the adsorption plate (13) and a plurality of the discharge electrodes (19) provided at the edge (22) of the charging plate (20) opposite the suction inlet.
    Type: Grant
    Filed: June 13, 2005
    Date of Patent: January 5, 2010
    Assignees: Zesu Giko Co., Ltd, Hidec Co., Ltd
    Inventors: Masatoshi Furuta, Shigenobu Ohkura
  • Ejecting roller assembly for use in automatic document feeder
    Patent number: 7628401
    Abstract: The present invention relates to an ejecting roller assembly for use in an automatic document feeder to adaptively adjust the nip force between the follower roller and the driving roller in response to input and output of the paper sheet, there effectively preventing the paper sheet from getting jammed. The ejecting roller assembly includes a swing lever, a follower roller, a friction-generating element and a driving roller. The swing lever is coupled to the follower roller for adaptively adjusting the nip force. The friction-generating element is arranged between the swing lever and the follower roller for facilitating increasing the friction force between the swing lever and the follower roller. The driving roller is used for controlling input and output of the paper sheet.
    Type: Grant
    Filed: May 25, 2007
    Date of Patent: December 8, 2009
    Assignee: Primax Electronics Ltd
    Inventor: Tung-Wen Tu
  • Fluid activation apparatus
    Patent number: 7622038
    Abstract: Two assembled bodies arranged as a pair are disposed around the outside periphery of a pipe to activate water flowing in the pipe. Each of the assembled bodies is composed of a cover and fluid activating bodies integrally fixed in the cover with an epoxy resin. Each of the fluid activating bodies is composed of a black radiation sintered body made by sintering the powder of a plurality of kinds of metal oxides at high temperature and an electromagnetic wave converging body for converging the electromagnetic wave radiated from the black radiation sintered body to a predetermined wavelength. The two covers are disposed around the outside periphery of the pipe, and fixing portions formed on both the sides of the covers are integrally fixed by fixtures, respectively.
    Type: Grant
    Filed: September 1, 2005
    Date of Patent: November 24, 2009
    Assignee: Japan System Planning Co., Ltd.
    Inventor: Katsuyuki Kumano
  • Window-locking assembly
    Patent number: 7617707
    Abstract: A window-locking assembly is used on a window assembly and has a body, a drive device and a locking device. The body has a chamber, two detents, a pivot hole, a spring seat and two latch grooves. The drive device is attached pivotally to the body and has a handle, a mounting head and a jacket. The mounting head protrudes from the handle, is mounted rotatably in the pivot hole and extends into the chamber. The locking device is connected to the drive device in the chamber and has a locking arm, a resilient element and a mounting element. The locking arm is attached pivotally to the mounting head with the mounting element. The resilient element is mounted on the spring seat and presses against the locking arm.
    Type: Grant
    Filed: September 29, 2006
    Date of Patent: November 17, 2009
    Inventor: Fanny Chiang
  • Adjusting device for a nail gun
    Patent number: 7617959
    Abstract: An adjusting device for a nail gun includes a magazine, a shaft, a disc feeder and a positioning assembly. The shaft is mounted in the magazine and has two sliding grooves longitudinally formed respectively in the shaft and multiple positioning recesses formed on the sliding grooves. The disc feeder includes a rotating disc and a sleeve mounted around the shaft and has two mounting holes each corresponding to a positioning recess. The positioning assembly includes a clamp and an E-clip having two stops. The clamp is mounted in the sleeve and has two clamping arms each having a boss. The stops are mounted respectively in the mounting holes, respectively abutting the clamping arms and held by the E-clip. Therefore the magazine can be adjusted in one direction at multiple stages by pulling up and in the other direction by pressing the clamp that releases the stops for easy adjustment.
    Type: Grant
    Filed: January 29, 2008
    Date of Patent: November 17, 2009
    Assignee: Testo Industry Corp.
    Inventor: Brad Yang
  • Box for compact discs
    Patent number: D604085
    Type: Grant
    Filed: June 7, 2008
    Date of Patent: November 17, 2009
    Assignee: Hannspree, Inc.
    Inventor: Fu-Chieh Wen
  • Integrating sphere for light flux meter
    Patent number: D606426
    Type: Grant
    Filed: May 20, 2008
    Date of Patent: December 22, 2009
    Inventor: Li-Chuan Chen
  • Buttstock assembly
    Patent number: D607078
    Type: Grant
    Filed: November 8, 2007
    Date of Patent: December 29, 2009
    Inventor: Chen-Tang Chu