Patents Assigned to Silitek Corporation
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Patent number: 6931721Abstract: A method for improving the EMI compatibility of the keyboard soft board is disclosed. A low-pass filter is installed on the scan lines of the keyboard soft board to remove high-frequency noise signals produced by the soft board circuit, achieving the EMC requirement. The low-pass filter is formed between the input terminal of the scan line and the touch pad. An inductance is selectively installed and between the touch pads. A capacitance is formed between the touch pad of the scan line and a ground network. The method of forming the capacitance is to form ground pads on the ground network corresponding the scan line touch pads. The method of forming the inductance may be achieved through a reversed U-shaped inductor.Type: GrantFiled: August 30, 2002Date of Patent: August 23, 2005Assignee: Silitek CorporationInventor: Bright Huang
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Patent number: 6876313Abstract: A rotary knob, particularly an illuminant rotary knob, provides function selection and execution through single-handed operation. The invention includes a light transparent light guide to couple with a compiling controller to facilitate user operations. A plurality of illuminant elements are located around the compiling controller to project light through the light guide to give the rotary knob an illuminant effect.Type: GrantFiled: April 10, 2002Date of Patent: April 5, 2005Assignee: Silitek CorporationInventors: I Hsiung, Chi-Jen Hsueh
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Publication number: 20040165922Abstract: A shaft sleeve structure for use in a module capable of being slid along a guiding shaft and the manufacturing method thereof are provided. The shaft sleeve structure includes: a passage punched through the module for receiving the guiding shaft and providing a first opening segment, a second opening segment and a central segment, wherein the first opening segment has an internal diameter larger than that of the second opening segment, and the central segment has an internal diameter gradually tapered from the first opening segment to the second opening segment; a first bearing having an external diameter mounted in the first opening segment and having an internal diameter for slidably receiving therein the guiding shaft; and a second bearing having an external diameter mounted in the second opening segment and having an internal diameter for slidably receiving therein the guiding shaft.Type: ApplicationFiled: February 17, 2004Publication date: August 26, 2004Applicant: Silitek CorporationInventor: Ta Yi Lee
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Patent number: 6766126Abstract: A modified control panel used in office machines, which is disposed on an unfoldable upper cover or an automatic document feeder attached on the upper cover without the need of an extra projective portion for disposition of the control panel. Therefore, the machine volume can be effectively shrunk to meet the requirement of miniaturization without affecting operational convenience, thereby reducing material cost and packaging and transportation cost to enhance the competitive capacity of product. The office machine includes a main body, an unfoldable upper cover connected at the main body, and a control panel disposed at the upper cover.Type: GrantFiled: September 17, 2002Date of Patent: July 20, 2004Assignee: Silitek CorporationInventors: Ming-Hung Hsu, Chi-Chien Lin
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Patent number: 6756555Abstract: A portable keyboard consists of a pliable key body and a circuit body. The key body has a plurality of key caps which is embedded with an electric contact made from conductive rubber. The circuit body is embedded with a connection line made from conductive rubber. The keyboard thus constructed is highly pliable, and may be bent, folded or twisted without affecting the electronic characteristics of the keyboard.Type: GrantFiled: May 2, 2002Date of Patent: June 29, 2004Assignee: Silitek CorporationInventor: Wen-Kuan Lin
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Patent number: 6748248Abstract: An extended input device for a portable wireless communication apparatus includes a first input keypad, a second input keypad, a pivot portion connecting the first input keypad and the second input keypad, and pivotally switching the first input keypad and the second input keypad between a normal and an operating statuses, and a signal transmission portion connected to the first input keypad and the second input keypad for transmitting a signal between the extended input device and the portable wireless communication apparatus. Therefore, the extended input device can provide an enough area for typing and a small size for being easily packed up to be carried on.Type: GrantFiled: October 20, 2000Date of Patent: June 8, 2004Assignee: Silitek CorporationInventors: Jung-Chuan Pan, Jay Terng
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Patent number: 6746013Abstract: An automatic document feeder is combined with an optical machine module, and feeds a document to be scanned into the scanning area so that the optical machine module can capture the image on the document. The automatic document feeder according to the invention is designed so that single-sided and double-sided scanning of a manuscript can be attained. It mainly comprises a delivery route that can feed a manuscript through the scanning area, a return route and guiding-out route respectively connected with the delivery route. The manuscript can come out of the exit to complete single-sided scanning after passing through the scanning area. Or, the manuscript can be turned over to its other side and guided back to the delivery route to pass through the scanning area again to process the second scanning. Finally, the manuscript is guided out of the exit and the double-sided image capture is completed.Type: GrantFiled: March 22, 2002Date of Patent: June 8, 2004Assignee: Silitek CorporationInventor: Wei-Kuo Shih
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Patent number: 6725516Abstract: A rubber ring coupling apparatus for coupling rubber rings with an object includes a ring cartridge and expansion elements. A rubber ring is held in an expansion opening located in the ring cartridge. The expansion elements are disposed into the rubber ring and expanded along expansion slots formed in the ring cartridge. Then the object is inserted into the rubber ring and the expansion elements are withdrawn from the rubber ring to let the rubber ring couple with the object. Thereby assembly labor cost and time may be reduced.Type: GrantFiled: May 7, 2003Date of Patent: April 27, 2004Assignee: Silitek CorporationInventor: Robert Pan
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Patent number: 6703797Abstract: A method for activating an illuminator and an illuminating device. The invention uses pins on an application specific integrated circuit (ASIC) in a scanner to output pulses of different frequencies. The illuminator has different efficiencies at different frequencies, so the heat generated by the illuminator at the frequencies of inferior efficiency is used to achieve fast warm-up, and the voltage output frequency of the highest light efficiency is provided to the illuminator after warm-up. The illumination device can be designed according to the activation method. It comprises an illuminator, a pulse output unit, a driving unit and a power supply unit. The power supply unit outputs the frequency needed for the warm-up period and the frequency needed for the working period. The driving unit activates the pulse output of the pulse output unit.Type: GrantFiled: March 12, 2002Date of Patent: March 9, 2004Assignee: Silitek CorporationInventor: Ching-Chung Chang
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Publication number: 20040034967Abstract: An automatic releasing hinge enables a device to be turned under an external force, and to be automatically released when the turning angle exceeding a selected limit so that the device may be prevented from damaging when being turned by force beyond the normal range.Type: ApplicationFiled: August 21, 2002Publication date: February 26, 2004Applicant: Silitek CorporationInventor: Lee Jung Hsiu
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Patent number: 6690909Abstract: A double-sided printing device for paper handling is proposed by the invention to allow users to print on both sides of a sheet of paper. The double-sided printing device employs the interaction between the switches, the obstructing unit and the turning unit to allow a sheet of paper to enter the turning unit and be turned over so that its back side will be directed to the printing unit.Type: GrantFiled: August 12, 2002Date of Patent: February 10, 2004Assignee: Silitek CorporationInventor: Yu-Jen Su
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Patent number: 6686903Abstract: A wireless mouse capable of generating and accumulating electrical energy. The wireless mouse includes: (a) a first rolling wheel, which longitudinally props up the rolling ball and detects the displacement of the wireless mouse along the X-axis; (b) a second rolling wheel, which transversely props up the rolling ball and detects the displacement of the wireless mouse projected along the Y-axis; (c) an auxiliary rolling wheel, wherein the auxiliary rolling wheel, the first rolling wheel, and the second rolling wheel together prop up the rolling ball to keep the rolling ball in a certain rolling position; (d) at least one power generating device for transforming the dynamic energy produced by revolutions of the first/second rolling wheel to electrical energy; (e) an power storage device for storing electrical energy; and (f) a RF transmitting module for transmitting a moving signal of the wireless mouse and control signals of the left and right buttons.Type: GrantFiled: July 28, 2000Date of Patent: February 3, 2004Assignee: Silitek CorporationInventor: Morris Peng
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Publication number: 20030233480Abstract: The present invention relates to an apparatus for integrating voice and data communications. The apparatus respectively electrically couples to a terminal device and a base station. The apparatus includes a wireless local area network module, a mobile communication network module, and an audio gateway. The wireless local area network module and the mobile communication network module transmit the voice signal and/or data signal to the terminal device and the base station.Type: ApplicationFiled: November 5, 2002Publication date: December 18, 2003Applicant: SILITEK CORPORATIONInventors: Chih-Jung Peng, Jun-Dah Chen
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Patent number: 6651972Abstract: A document feeding apparatus includes a cam set fixed to a drive shaft and being driven selectively by the drive shaft. The drive shaft selectively rotates in a first direction and a second direction. The cam set includes a first cam, a second cam, and a first one-way clutch. The present invention further includes a one-way gear train fixed to the drive shaft and being driven selectively by the drive shaft; a paper-stopping plate connected with a paper-stopping arm; a pick-up roller fixed to and rotatable with a pick-up shaft; a strip roller fixed to and rotatable with a strip shaft; and a gear train transferring the power from the one-way drive gear set to the pick-up roller and the strip roller. The relative operational relationship between the pick-up arm and the paper-stopping arm is coordinated by the cam set.Type: GrantFiled: July 10, 2002Date of Patent: November 25, 2003Assignee: Silitek CorporationInventors: Sidney Hsiao, Julian Liu, Jackly Liu, Clark Huang
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Publication number: 20030199187Abstract: The invention is related to a supporting frame structures are used to support a portable electronic device and comprise a supporting frame and a lifting frame that are connected by including hinges and supporting revolving axis on a base. The supporting frame and the lifting frame are assembled onto the base, and are connected by the hinges. When the supporting frame rotates upwards and moves the hinges, and the hinges further move the lifting frame to slide along a sliding track groove to a fixed angle and secure the lifting frame and the supporting frame, which uplifts the supporting frame and allows the portable device to be placed on the base at an upright angle.Type: ApplicationFiled: April 17, 2002Publication date: October 23, 2003Applicant: Silitek CorporationInventor: Lee Jung Hsiu
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Patent number: 6632037Abstract: A keyboard assembly includes a keyboard body and an interface pivotally arranged on a pivotal axis of the keyboard body and being able to rotate laterally. The pivotal axis has an inclined angle with respect to a vertical line of the interface. The keyboard body is composed of a first panel and a second panel pivotally connected to the first panel. Each of the first panel and the second panel has a receiving space in a symmetrical arrangement to accommodate the interface.Type: GrantFiled: August 21, 2001Date of Patent: October 14, 2003Assignee: Silitek CorporationInventors: Winky Lin, Ren Kuo, Ken Chen
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Patent number: 6632039Abstract: A keycap assembly for using in a keyboard is provided. The keycap assembly includes a keycap having a lever fitting slot disposed in an inner wall thereof, and a lever having a curved portion in contact with the inner wall of the keycap for forming a downward slanting angle with respect to the inner wall of the keycap when the lever is assembled with the lever fitting slot of the keycap, thereby causing the keycap assembly to be assembled with the keyboard easily.Type: GrantFiled: July 18, 2001Date of Patent: October 14, 2003Assignee: Silitek CorporationInventor: Winky Lin
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Patent number: D481733Type: GrantFiled: August 27, 2002Date of Patent: November 4, 2003Assignee: Silitek CorporationInventors: Jung-Chuan Pan, Thomas Lee, Jay Terng
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Patent number: D483358Type: GrantFiled: September 13, 2002Date of Patent: December 9, 2003Assignee: Silitek CorporationInventor: Gary Hsu
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Patent number: D493457Type: GrantFiled: June 13, 2002Date of Patent: July 27, 2004Assignee: Silitek CorporationInventor: Chun Yu Hsu