Patents Assigned to Silitek Corporation
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Patent number: 6629848Abstract: A method provides uniform pressure to contacts electrically jointing a first circuit board (a flexible circuit board) and a second circuit board (a flexible circuit board or a rigid circuit board), wherein the first circuit board is lapped on the second circuit board and an elastomer is provided and exerts pressure on the contacts. At least one fixing point is provided atop the transverse of the elastomer to uniformly distribute a pressing force of the elastomer on the contacts. Therefore, the elastomer is not deformed by high temperature process.Type: GrantFiled: November 15, 2001Date of Patent: October 7, 2003Assignee: Silitek CorporationInventor: Wen Kuan Lin
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Publication number: 20030178762Abstract: A paper pickup mechanism for automatically picking up a paper is provided.Type: ApplicationFiled: November 14, 2002Publication date: September 25, 2003Applicant: Silitek CorporationInventor: Cheng-Hui Yu
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Publication number: 20030181224Abstract: The method for dialing a phone number and operating an electronic device with single hand includes the following steps. The electronic device displays a virtual keyboard on the screen. Then, the user operates virtual keyboard by activating the selection function of the jog device to select a desired key value. After selecting the desired key value, the user operates the input function of the jog device to input the key value. After the edit process of dialing the phone number is completed, the user operates the input function of the jog device to dial the phone number out.Type: ApplicationFiled: November 5, 2002Publication date: September 25, 2003Applicant: SILITEK CORPORATIONInventors: Chih-Jung Peng, Yuan-Chia Tung
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Patent number: 6623195Abstract: A collapsible keyboard comprises at least one keyboard module, and each keyboard module has a plurality of keyswitches arranged in array pattern. At least one membrane circuit is provided to connect the plurality of keyswitches. When the keyboard is in an operation state, each keyswitch having a predetermined separation with adjacent keyswitch, and the separation is the same as that in a standard keyboard. To shrink the keyboard, the plurality of keyswitches can be arranged in a collapsed state to reduce the transverse size of the keyboard, the lengthwise size of the keyboard, or both sizes.Type: GrantFiled: September 28, 2001Date of Patent: September 23, 2003Assignee: Silitek CorporationInventor: Winky Lin
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Patent number: 6621522Abstract: Disclosed is an adjustable fixing device of a CCD plate comprising at least a central supporter and a mask device. The central supporter is made of non-transparency material. The mask device and the central supporter are approximately combined by a supporting device. The mask device and the central supporter are moved with respect to one another in a traveling range. An adhesive agent is filled to the place between the mask device and the central supporter for combining the mask device and the central supporter in a fixing position in the traveling range. Thereby, the central supporter is made of non-transparency material without needing to be performed with light shield process or installed with light shield element for effectively reducing cost. A preferred guiding structure is formed between the central supporter and the mask device for guiding the central supporter and the mask device so that they may move steadily.Type: GrantFiled: April 28, 1999Date of Patent: September 16, 2003Assignee: Silitek CorporationInventors: Hung-Chia Chang, Lung Chen, Po-Chih Chang
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Patent number: 6613996Abstract: A low-noise key switch for computer appliances is disclosed. An embodiment of the key switch includes a cap at least one elastic element, a supporter, a switch, and a base. The cap has a top surface, a bottom surface, and a bottom edge surface. The elastic element is disposed on the bottom edge surface. The supporter supports the cap to perform a movement relative to the base. The switch, responsive to the movement of the cap, selectively turns on. When the cap moves toward the base, the elastic element approaches the base prior to the cap hitting the base. Therefore, the impact of the cap against the base is absorbed by the elastic element leading to the reduction of noise when the key switch is activated.Type: GrantFiled: January 8, 2002Date of Patent: September 2, 2003Assignee: Silitek CorporationInventor: Tong-Hsueh Lee
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Patent number: 6615283Abstract: A keyboard system includes keyboard having an internal circuit therein, at least one I/O device, and a transceiver module. The transceiver module on the main body of the keyboard receives signals from I/O devices and transmits audio signals from at least one external device connected to the keyboard system. The keyboard further includes a plurality of pointers indicative of which I/O device is connected to the keyboard.Type: GrantFiled: January 7, 2000Date of Patent: September 2, 2003Assignee: Silitek CorporationInventor: Chunn-Cherh Kuo
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Patent number: 6608616Abstract: An ergonomic scrolling device comprises a shell and a rolling wheel. The rolling wheel is pivotally connected to the shell. The shell has an axial shaft perpendicular to the axis of the rolling wheel and on an external surface of the shell. The shell is rotatable around the axial shaft such that the shell can be rotated leftward or rightward. The rolling wheel is also rotated with the shell to a specific angle for providing more convenience to user.Type: GrantFiled: April 23, 2001Date of Patent: August 19, 2003Assignee: Silitek CorporationInventor: Winky Lin
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Patent number: 6585250Abstract: A document separating mechanism for an Automatic Document Feeder is an elastomer with the features of having a vertical plane and an arc surface, wherein the vertical plane is perpendicular to the main plane and capable of resisting the leading edges of the documents directly or indirectly. The arc surface is a turning plane for joining the vertical plane and the main plane. The document separating mechanism further includes the document guiding incline for making the documents being pressed by the feeding roller and arranged in order initially.Type: GrantFiled: November 14, 2000Date of Patent: July 1, 2003Assignee: Silitek CorporationInventor: Sidney Hsiao
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Patent number: 6585440Abstract: A folding keyboard includes a fixed key module and one or more mobile key modules. The key modules are joined together by links between them. Two ends of the links between the key modules are joined at asymmetric positions. The mobile key module can turn 180 degrees to lie against the fixed key module. The folding keyboard is capable of being frontally folded, showing the whole arrangement of keys after unfolding, and being used immediately after unfolded. Moreover, the folding keyboard can be relatively shrunk by way of compression of the key units to reduce the thickness, and can be designed to be a triply-folded or quadruply-folded structure.Type: GrantFiled: June 27, 2001Date of Patent: July 1, 2003Assignee: Silitek CorporationInventor: Winky Lin
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Patent number: 6581926Abstract: A structure for fixing a roller on a base is disclosed. The structure includes a sheet-like elastomer having a guiding hole for trapping a shaft of the roller, and two fixing elements respectively disposed at two opposite sides of the base, which is located at two lateral sides of the roller, for receiving two ends of the sheet-like elastomer to provide a deformation of the sheet-like elastomer for providing a suppress power for the roller.Type: GrantFiled: April 26, 2001Date of Patent: June 24, 2003Assignee: Silitek CorporationInventors: Sidney Hsiao, Jones Wu, Jackly Liu, Julian Liu
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Patent number: 6575452Abstract: A mechanism for automatically and adjustably feeding sheets is provided. The mechanism includes a paper dividing plate, a roller for picking the sheets, wherein a channel is formed between the paper dividing plate and the roller, and the sheets are driven by friction between the roller and the sheets to pass through the channel, and a controller having a first end engaged with the paper dividing plate and a second end as a fulcrum for the paper dividing plate, wherein when an unbalanced force from the roller is applied on the paper dividing plate, the paper dividing plate pivots on the fulcrum to adjust the unbalanced force.Type: GrantFiled: April 30, 2001Date of Patent: June 10, 2003Assignee: Silitek CorporationInventors: Sidney Hsiao, Jones Wu, Jackly Liu, Julian Liu
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Publication number: 20030090052Abstract: A document feeding apparatus is used in an office machine in the present invention. The document feeding apparatus includes an intermittent gear set, a first roller, a second roller, and a driving device. The intermittent gear set includes a gear, a shaft, a one-way spring clutch, an arcuate groove, and a pin. The intermittent gear set selectively drives the first roller to rotate so that the first roller conveys the document selectively. The present invention keeps in separation of the document from a next feed-in document and prevents the documents from overlapping.Type: ApplicationFiled: July 10, 2002Publication date: May 15, 2003Applicant: SILITEK CORPORATIONInventors: Sidney Hsiao, Julian Liu, Jackly Liu, Clark Huang
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Patent number: 6561708Abstract: A foldable keyboard includes a clamping stage, and a retaining stage. The foldable keyboard has an accommodation region on rear edge thereof. A strip-shaped rail is formed in front of the accommodation region and a guiding groove is formed on an opposite side of the accommodation region. The clamping stage is laterally movable on the accommodation region. The clamping stage has a pair of bumps on a rear side thereof and each bump has a pivotal hole on an inner side thereof such that the clamping stage can be pivotally connected to the retaining stage. The retaining stage has a socket electrically connected to an internal circuit of the foldable keyboard and a portable electronic device can be inserted into the socket.Type: GrantFiled: July 3, 2001Date of Patent: May 13, 2003Assignee: Silitek CorporationInventor: Winky Lin
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Patent number: 6561349Abstract: A storage box for a portable electronic apparatus includes a box body and a cover. The box body has a first accommodation space and a second accommodation space therein. The first accommodation space has a first connector therein. The cover has a second connector therein that is connected to the first connector. The two accommodation spaces provide for receipt of a portable electronic apparatus and a foldable keyboard.Type: GrantFiled: June 5, 2001Date of Patent: May 13, 2003Assignee: Silitek CorporationInventor: Jane Lee
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Patent number: 6557848Abstract: A paper-stopping mechanism applied in an automatic document feeder (ADF). The paper-stopping mechanism includes a shaft, a stepping motor for carrying the shaft to rotate, a cam structure having a first protruding portion and a second protruding portion and carried by the shaft to rotate the first protruding portion and the second protruding portion thereof, a paper-stopping arm having a bearing point, wherein the bearing point is moved against by the first protruding portion to move the paper-stopping arm upward, and an elastic buckling device for buckling the paper-stopping arm when the paper-stopping arm is moving upward to stay at a paper-feeding position, and for shifting when the second protruding portion of the cam structure is rotated against the elastic buckling device for removing the paper-stopping arm from the elastic buckling device to return to a paper-stopping position.Type: GrantFiled: April 26, 2001Date of Patent: May 6, 2003Assignee: Silitek CorporationInventors: Sidney Hsiao, Jones Wu, Jackly Liu, Julian Liu
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Patent number: 6558057Abstract: A keyboard having a protective lid comprises a keyboard body, a linkage board and a lid. The keyboard body has an accommodation space on rear side thereof and the accommodation space has two pivotal holes on two lateral sides thereof. The linkage board has a front end pivotally connected to the keyboard body. The linkage board has a rear end pivotally connected to a front end of the lid such that the lid can be swung to a backside of the keyboard body and functioned as a mount of the keyboard body and the keyboard body is inclined to a specific angle.Type: GrantFiled: July 3, 2001Date of Patent: May 6, 2003Assignee: Silitek CorporationInventor: Winky Lin
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Patent number: 6554509Abstract: A cross type supporter mounting system for a notebook computer keyboard comprises: a first platform for placing a computer keyboard and movable along an approximate horizontal direction; a second platform movable along a vertical direction and being positioned above the first platform; and a press plate installed between the first platform and the second platform. Thereby, by the pressure of the machining table with the operation of a press plate having a special pattern and cylinders, the last two steps in the assembling process is automatized. Therefore, the labor in the assembling process is reduced. Yield ratio is increased and the cost is decreased.Type: GrantFiled: April 6, 2001Date of Patent: April 29, 2003Assignee: Silitek CorporationInventors: Ming-Rong Wu, Chi-Hsiang Wang
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Patent number: 6545266Abstract: A four-direction adjustable optical module including a carriage and a CCD module is disclosed. The carriage includes a coupling window for coupling with the CCD module. Each of the two sides of the CCD module includes a screw hole and an elastic device. The elastic device slightly protrudes from the surface of the coupling window. While the CCD module and the coupling window are coupled, screws are employed to screw through the CCD module and into the screw holes of the coupling windows. Therefore, the elastic devices deform by the stress from the CCD module. By adjusting the tightness of the screws, the orientation of the CCD module rotating on the Z axis can be calibrated. Thus, the adjustable optical module of the invention can be calibrated at least in four directions.Type: GrantFiled: December 11, 2000Date of Patent: April 8, 2003Assignee: Silitek CorporationInventors: Chen Lung, Lee Ta Yi
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Patent number: D478620Type: GrantFiled: June 11, 2002Date of Patent: August 19, 2003Assignee: Silitek CorporationInventor: Shi Wei Cheng