Patents by Inventor Jung-Fu Chen
Jung-Fu Chen 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: 20240140765Abstract: An overhead hoist transfer apparatus includes a rail assembly including a straight rail having an empty section, and a curved rail having a curved empty section; an engine including a first LSD having first and second wheels at two sides respectively; and a second LSD having third and fourth wheels at two sides respectively; a moving carriage driven by the engine and suspended from the rail assembly; first and second guide wheels disposed on the first LSD; third and fourth guide wheels disposed on the second LSD; and two guide boards disposed above a joining point of the straight rail and the curved rail. An elevation of the guide boards is equal to that of the guide wheels. The guide board includes a straight edge and a curved edge.Type: ApplicationFiled: September 27, 2023Publication date: May 2, 2024Inventors: Jung-Chieh Chang, Yi-Sheng Chen, Jen-Yung Hsiao, Chia-Fu Hsiao, Wei-Qi Lao, Chen-Chih Chan, Caung-Yu Liu
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Publication number: 20240116707Abstract: A powered industrial truck includes a lateral movement assembly including four sliding members and four pivotal members both on a wheeled carriage, four links having a first end pivotably secured to the sliding member and a second end pivotably secured to either end of the pivotal member, a motor shaft having two ends pivotably secured to the pivotal members respectively, a first electric motor on one frame member, and four mounts attached to the sliding members respectively; two lift assemblies including a second electric motor, a shaft having two ends rotatably secured to the sliding members respectively, two gear trains at the ends of the shaft respectively, a first gear connected to the second electric motor, a second gear on the shaft, and a first roller chain on the first and second gears; two electric attachments on the platform and being laterally moveable, each attachment. The mount has rollers.Type: ApplicationFiled: September 21, 2023Publication date: April 11, 2024Inventors: Jung-Chieh Chang, Yi-Sheng Chen, Jen-Yung Hsiao, Chia-Fu Hsiao, Wei-Qi Lao, Chen-Chih Chan, Chung-Yu Liu
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Patent number: 8341656Abstract: The present invention discloses a slim optical disc drive comprising a case with an upper cover and a lower cover, a disc tray for loading and unloading an optical disc, a first circuit board disposed on the lower cover, a second circuit board disposed on the disc tray, and a flexible flat cable for connecting the first circuit board and the second circuit board. The flexible flat cable comprises a fixed portion and a movable portion, and a patch is adhered to the movable portion of the flexible flat cable. The patch has a first end and a second end, and the width of the first end is larger than that of the second end.Type: GrantFiled: July 14, 2010Date of Patent: December 25, 2012Assignee: Philips & Lite-On Digital Solutions CorporationInventors: Chia-Yuan Lin, Jung-Fu Chen, In-Shuen Lee, Chih-Ming Yang
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Patent number: 8302117Abstract: A casing assembling structure of an optical disc drive is provided to comprise a bottom cover; a top cover combined with the bottom cover to form a space, wherein the top cover has a first side wall and a fixing portion, which is extended from the first side wall and is positioned under the bottom cover; and a first screw screwed on the fixing portion, wherein the top cover, the first side wall and the fixing portion are formed as a integral.Type: GrantFiled: November 2, 2009Date of Patent: October 30, 2012Assignee: Lite-On IT Corp.Inventors: Jung-Fu Chen, Yuan-Syun Luo, Wei-Chieh Hu, In-Shuen Lee
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Publication number: 20110258651Abstract: An optical disc drive for marking a label side of a lightscribe disc is provided. The optical disc drive includes a spoke detecting device, a spindle motor PCB and an insulating pad. The spoke detecting device is used for detecting spoke patterns on the lightscribe disc. The spindle motor PCB is communicated with the spoke detecting device through a flexible cable. The insulating pad is coupled with the spindle motor PCB for supporting the spoke detecting device such that the spoke detecting device is separated from the lightscribe disc by a specified gap.Type: ApplicationFiled: June 28, 2011Publication date: October 20, 2011Applicant: LITE-ON IT CORP.Inventors: Wei-Chieh Hu, Shih-Ming Hsu, Ying-Shun Li, Hao-Wen Chang, Jung-Fu Chen, Chun-Jen Tseng, Chih-Ming Yang
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Publication number: 20110254910Abstract: An optical disc drive for marking a label side of a lightscribe disc is provided. The optical disc drive includes a metallic plate, a spoke detecting device and a spindle motor PCB. The spoke detecting device is used for detecting spoke patterns on the lightscribe disc. The spindle motor PCB is supported on the metallic plate and having a notch such that a receptacle is defined by sidewalls of the notch and a surface of the metallic plate. The spoke detecting device is received in the receptacle such that the spoke detecting device is separated from the lightscribe disc by a specified gap.Type: ApplicationFiled: June 28, 2011Publication date: October 20, 2011Applicant: LITE-ON IT CORP.Inventors: Wei-Chieh Hu, Shih-Ming Hsu, Ying-Shun Li, Hao-Wen Chang, Jung-Fu Chen, Chun-Jen Tseng, Chih-Ming Yang
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Patent number: 8040367Abstract: An optical disc drive for marking a label side of a lightscribe disc is provided. The optical disc drive includes a spoke detecting device, a traverse assembly frame, a spindle motor PCB and an insulating base. The spoke detecting device is used for detecting spoke patterns on the lightscribe disc. The spindle motor PCB is communicated with the spoke detecting device through a flexible cable. The insulating base is coupled with the frame for supporting the spoke detecting device such that the spoke detecting device is separated from the lightscribe disc by a specified gap.Type: GrantFiled: February 11, 2009Date of Patent: October 18, 2011Assignee: Lite-On It CorporationInventors: Wei-Chieh Hu, Shih-Ming Hsu, Ying-Shun Li, Hao-Wen Chang, Jung-Fu Chen, Chun-Jen Tseng, Chih-Ming Yang
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Publication number: 20110219388Abstract: The present invention discloses a slim optical disc drive comprising a case with an upper cover and a lower cover, a disc tray for loading and unloading an optical disc, a first circuit board disposed on the lower cover, a second circuit board disposed on the disc tray, and a flexible flat cable for connecting the first circuit board and the second circuit board. The flexible flat cable comprises a fixed portion and a movable portion, and a patch is adhered to the movable portion of the flexible flat cable. The patch has a first end and a second end, and the width of the first end is larger than that of the second end.Type: ApplicationFiled: July 14, 2010Publication date: September 8, 2011Applicant: PHILIPS & LITE-ON DIGITAL SOLUTIONS CORPORATIONInventors: Chia-Yuan Lin, Jung-Fu Chen, In-Shuen Lee, Chih-Ming Yang
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Publication number: 20110029992Abstract: A casing assembling structure of an optical disc drive is provided to comprise a bottom cover; a top cover combined with the bottom cover to form a space, wherein the top cover has a first side wall and a fixing portion, which is extended from the first side wall and is positioned under the bottom cover; and a first screw screwed on the fixing portion, wherein the top cover, the first side wall and the fixing portion are formed as a integral.Type: ApplicationFiled: November 2, 2009Publication date: February 3, 2011Inventors: Jung-Fu Chen, Yuan-Syun Luo, Wei-Chieh Hu, In-Shuen Lee
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Patent number: 7716694Abstract: An actuating module includes an actuating member, a magnetic plunger engaging the actuating member due to magnetic power and capable of disengaging the actuating member upon receipt of an actuating signal, and a flexible flat cable. The flexible flat cable includes a plurality of laterally connected data wires. The data wires includes at least one branch wire connected electrically to the magnetic plunger for transmitting the actuating signal to the magnetic plunger so as to release the actuating member.Type: GrantFiled: June 27, 2006Date of Patent: May 11, 2010Assignee: Lite-On It Technology CorporationInventors: Jeng-Wen Huang, Yuh-Sheng Lin, Jung-Fu Chen
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Publication number: 20090278908Abstract: An optical disc drive for marking a label side of a lightscribe disc is provided. The optical disc drive includes a spoke detecting device, a traverse assembly frame, a spindle motor PCB and an insulating base. The spoke detecting device is used for detecting spoke patterns on the lightscribe disc. The spindle motor PCB is communicated with the spoke detecting device through a flexible cable. The insulating base is coupled with the frame for supporting the spoke detecting device such that the spoke detecting device is separated from the lightscribe disc by a specified gap.Type: ApplicationFiled: February 11, 2009Publication date: November 12, 2009Applicant: LITE-ON IT CORPORATIONInventors: Wei-Chieh Hu, Shih-Ming Hsu, Ying-Shun Li, Hao-Wen Chang, Jung-Fu Chen, Chun-Jen Tseng, Chih-Ming Yang
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Patent number: 7596000Abstract: The disclosure relates to a signal transmitting apparatus. The signal transmitting apparatus includes a conductor, a first and a second circuit boards, and a signal transmitting medium that is electrically interconnected between the first circuit board and the second circuit board. The signal transmitting medium includes a ground wire and an insulating layer wrapping the ground wire, wherein at least an end portion of the ground wire is not wrapped by the insulating layer and is bent to overlap the insulating layer and electrically connected to the conductor via a conductive adhesive material so as to conduct the electrostatic charges accumulated in the signal transmitting medium to the conductor as a ground.Type: GrantFiled: July 31, 2006Date of Patent: September 29, 2009Assignee: Lite-On It Corp.Inventors: Shih-Lin Yeh, Jung-Fu Chen, Min-Cheng Yang
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Patent number: 7577969Abstract: The present invention relates to an antistatic structure for an optical disc device. An optical pick-up unit module of an optical disk device is installed on a chassis and the chassis is movably installed in a lower cover of the device. Furthermore, the antistatic structure includes at least one upper connecting portion capable of contacting with the optical pick-up unit module and at least one lower connecting portion capable of contacting with the lower cover. Whereby, the static electricity generated by the optical pick-up unit module can be conducted to the lower cover through the upper and lower connecting portions so as to attain the antistatic discharge (ESD) protection effectively.Type: GrantFiled: June 24, 2005Date of Patent: August 18, 2009Assignee: Lite-On It CorporationInventors: Jung Fu Chen, In Shuen Lee, Chun Jen Tseng, Chih Chung Hsieh, Jeng Wen Huang
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Patent number: 7562371Abstract: An optical disc drive including a case, a tray, a turntable, a pickup head, a transmission mechanism, and a protecting cover is provided. The tray is movably set inside the case. The turntable is embedded in the tray. The pickup head is movably embedded in the tray. The transmission mechanism is embedded in the tray and connected to the pickup head. And the protecting cover is set on the tray and covers the transmission mechanism. The protecting cover has a protruding structure located on the surface of the protecting cover that corresponds to a non-data area of an optical disc. Moreover, the tray has a protruding structure located on the surface of the tray adjacent to the protecting cover. Furthermore, pads could be substituted for the abovementioned protruding structures.Type: GrantFiled: August 4, 2006Date of Patent: July 14, 2009Assignee: Lite-On It CorporationInventors: Jung-Fu Chen, Min-Cheng Yang
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Patent number: 7467393Abstract: A recording and reproducing apparatus includes a tray disposed within an outer casing and movable along a tray moving direction between retracted and extended positions. A positioning structure includes a locking member fixed on the outer casing, and a support member for immobilizing the locking member with respect to the outer casing in such a manner that the locking member extends upwardly into the outer casing to prevent movement of the tray with respect to the outer casing. A protrusion portion of the outer casing surrounding the locking member and extending in the moving direction defines the support member.Type: GrantFiled: January 12, 2006Date of Patent: December 16, 2008
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Publication number: 20080137491Abstract: An optical disk drive with a defocus-prohibited device comprising: a frame; a cover disposed on the frame; a disk-rotating device disposed at an end of the frame; two guiding rods disposed at sides of the frame respectively and elongated from the end with the disk-rotating device to another end of the frame; a pick-up head capable of moving back and forth on the two guiding rods, and reading an optical disk driven by the disk-rotating device; and at least one flexible member being disposed between the pick-up head and the cover for providing a force on the pick-up head in advance.Type: ApplicationFiled: June 29, 2007Publication date: June 12, 2008Inventors: Shih-Lin Yeh, Jung-Fu Chen, Chih-Ming Yang, Yung-Han Wu, Shih-Ming Hsu
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Patent number: 7386867Abstract: This invention discloses a lock mechanism. The lock mechanism comprises a tray, a locking element, a solenoid, a linked apparatus, a first arm and a boss. The locking element has a protrusion and is rotably fixed on the tray. The solenoid is fixed on the tray and supplies a magnetic force to an active block. The linked apparatus is connected with the active block of the solenoid and is rotably fixed on the tray to push the locking element. The first arm is rotably fixed on the tray to push the linked apparatus and has a protruding rib to push against the protrusion of the locking element. The boss cooperates with the locking element when the tray is loaded. According to this mechanism, the sounds resulted from the locking element and the first arm are happened at the same time.Type: GrantFiled: November 2, 2005Date of Patent: June 10, 2008Assignee: Lite-On It CorporationInventors: Min-Cheng Yang, Jung-Fu Chen, Cheng-Chung Hsu, Shih-Lin Yeh
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Publication number: 20070107005Abstract: An optical disc drive including a case, a tray, a turntable, a pickup head, a transmission mechanism, and a protecting cover is provided. The tray is movably set inside the case. The turntable is embedded in the tray. The pickup head is movably embedded in the tray. The transmission mechanism is embedded in the tray and connected to the pickup head. And the protecting cover is set on the tray and covers the transmission mechanism. The protecting cover has a protruding structure located on the surface of the protecting cover that corresponds to a non-data area of an optical disc. Moreover, the tray has a protruding structure located on the surface of the tray adjacent to the protecting cover. Furthermore, pads could be substituted for the abovementioned protruding structures.Type: ApplicationFiled: August 4, 2006Publication date: May 10, 2007Applicant: LITE-ON IT CORPORATIONInventors: Jung-Fu Chen, Min-Cheng Yang
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Publication number: 20070101349Abstract: An actuating module includes an actuating member, a magnetic plunger engaging the actuating member due to magnetic power and capable of disengaging the actuating member upon receipt of an actuating signal, and a flexible flat cable. The flexible flat cable includes a plurality of laterally connected data wires. The data wires includes at least one branch wire connected electrically to the magnetic plunger for transmitting the actuating signal to the magnetic plunger so as to release the actuating member.Type: ApplicationFiled: June 27, 2006Publication date: May 3, 2007Inventors: Jeng-Wen Huang, Yuh-Sheng Lin, Jung-Fu Chen
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Publication number: 20070053150Abstract: A casing assembly includes a lower casing half and an upper casing half disposed above and cooperating with the lower casing half to define an outer casing. Each of the lower and upper casing halves has a rear end and a rear side plate extending from the rear end to overlap at least partially with each other. A tongue-and-groove mechanism includes a groove formed in one of the rear side plates and a tongue mounted on the other one of the rear side plates and extending into so as to engage the groove to prevent the lower and upper casing halves from separating.Type: ApplicationFiled: January 31, 2006Publication date: March 8, 2007Inventors: In-Shuen Lee, Chih-Chung Hsieh, Chun-Jen Tseng, Jeng-Wen Huang, Jung-Fu Chen