Patents by Inventor Wen-Lung Chang
Wen-Lung Chang 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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Systems and methods for generating metadata describing unstructured data objects at the storage edge
Patent number: 11068544Abstract: A storage control device coupled to a storage device and located remotely from a host device receives media object data from the host device. The storage control device identifies a type of the media object data and select, based on the identified type, a computational model from among a plurality of computational models for use by a computational engine of the storage control device. The computational engine uses the selected computational model to generate metadata describing the media object data. The metadata is stored in the storage device so as to be selectively retrievable from the storage device separately from the media object data.Type: GrantFiled: January 31, 2019Date of Patent: July 20, 2021Assignee: Marvell Asia Pte, Ltd.Inventors: Konstantin Kudryavtsev, Noam Mizrahi, Mats Oberg, Nedeljko Varnica, Nitin Nangare, Igor Polivanyi, Ruwan Ratnayake, Leo Jiang, Quynh Chau, Wen Lung Chang -
SYSTEMS AND METHODS FOR GENERATING METADATA DESCRIBING UNSTRUCTURED DATA OBJECTS AT THE STORAGE EDGE
Publication number: 20200042557Abstract: A storage control device coupled to a storage device and located remotely from a host device receives media object data from the host device. The storage control device identifies a type of the media object data and select, based on the identified type, a computational model from among a plurality of computational models for use by a computational engine of the storage control device. The computational engine uses the selected computational model to generate metadata describing the media object data. The metadata is stored in the storage device so as to be selectively retrievable from the storage device separately from the media object data.Type: ApplicationFiled: January 31, 2019Publication date: February 6, 2020Inventors: Konstantin Kudryavtsev, Noam Mizrahi, Mats Oberg, Nedeljko Varnica, Nitin Nangare, Igor Polivanyi, Ruwan Ratnayake, Leo Jiang, Quynh Chau, Wen Lung Chang -
Patent number: 8482589Abstract: A light emitting control device for a light emitting diode print head includes a control unit, a pulse-mask unit, a strobe unit and a data output unit. The pulse-mask unit outputs n clock signals in sequence to a light emitting diode print head. The strobe unit outputs a strobe signal to the light emitting diode print head, so as to switch on the light emitting diode print head. The data output unit outputs a print data signal to the light emitting diode print head. When the pulse-mask unit outputs a k-th clock signal of the n clock signals, the pulse-mask unit delays the k-th clock signal for a predetermined time, and the data output unit pauses outputting the print data signal. After the predetermined time, the pulse-mask unit and the data output unit continue to output the rest of the clock signals and the print data signal.Type: GrantFiled: April 18, 2010Date of Patent: July 9, 2013Assignee: Aetas Technology IncorporatedInventors: Wei-Ming Shen, Wen-Lung Chang
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Publication number: 20120060656Abstract: A dual drive bit is formed as an integral body which includes a drive end which is shaped and configured for engagement with a fastener and an opposite driven end. The driven end includes an internal socket and an external, shaped surface enabling the drive bit to be driven by engaging the internal socket by a socket drive or externally by a wrench. Intermediate the drive end and the driven end is an intermediate or medial section of the body which includes a flange that extends at least in part radially beyond the circumference of the driven end to enable a user to positively engage the driven end and force it axially into engagement with a fastener.Type: ApplicationFiled: May 17, 2011Publication date: March 15, 2012Applicant: Lisle CorporationInventor: Wen-lung Chang
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Publication number: 20110254460Abstract: A light emitting control device for a light emitting diode print head includes a control unit, a pulse-mask unit, a strobe unit and a data output unit. The pulse-mask unit outputs n clock signals in sequence to a light emitting diode print head. The strobe unit outputs a strobe signal to the light emitting diode print head, so as to switch on the light emitting diode print head. The data output unit outputs a print data signal to the light emitting diode print head. When the pulse-mask unit outputs a k-th clock signal of the n clock signals, the pulse-mask unit delays the k-th clock signal for a predetermined time, and the data output unit pauses outputting the print data signal. After the predetermined time, the pulse-mask unit and the data output unit continue to output the rest of the clock signals and the print data signal.Type: ApplicationFiled: April 18, 2010Publication date: October 20, 2011Inventors: Wei-Ming Shen, Wen-Lung Chang
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Publication number: 20100313357Abstract: A medical bed structure includes a bed frame. The bed frame is provided with a plurality of spray nozzles on its edge. The bottom of the bed frame is formed with a discharge hole and a cleaning set on the discharge hole. The spray nozzles are capable of spraying water for cleaning. The discharge hole is adapted to discharge feces. The cleaning set is adapted to clean the anus of the patient after having a bowel movement. The present invention provides a patient who lies in bed for a long period of time to take a bath and to clean the feces automatically.Type: ApplicationFiled: June 12, 2009Publication date: December 16, 2010Inventor: Wen-Lung CHANG
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Publication number: 20100011931Abstract: A plastic film cutting device includes: a casing adapted to receive a roll of a plastic film therein and having an open end that defines an access opening for access into the casing, and a lid connected to the open end for covering and uncovering the access opening, the lid having first and second ends opposite to each other in a lengthwise direction; and a cutting unit including a first cutting member disposed in the casing, movable between the first and second ends of the lid in the lengthwise direction, and abutting resiliently against the lid for cutting the plastic film therebetween.Type: ApplicationFiled: July 16, 2008Publication date: January 21, 2010Inventor: Wen-Lung Chang
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Publication number: 20090217732Abstract: A tube-bending plier is described having opposing arcuately grooved registering jaws defining a cylindrical engagement segment sized to accept tubing of a particular outside diameter, expanding to oppositely curving arcuately grooved side-jaw mandrel surfaces where, (i) in a first embodiment, the plier handles extending from the plier couple are configured for significantly increasing the distance between the handles for applying torque (?) relative to a twisting axis aligned in the plane of and extending between the plier handles pivotally closing plier jaws for bending a tube held perpendicularly extending from the plier jaws, and (ii) in a second embodiment, the closed plier jaws and oppositely curving side-jaw mandrel surfaces define a tube bending plane oriented at an acute angle relative to the plane of the pivoting plier handles for applying torque (?) for bending a tube held within the plier jaws.Type: ApplicationFiled: November 6, 2008Publication date: September 3, 2009Inventor: Wen Lung Chang
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Patent number: 7378928Abstract: A magnetic pick-up tool is described having a first, small diameter, high field strength permanent magnet pellet, permanently secured within a holder presenting a pole face at a distal tip of a probe extending from a handle, and at least a second, removable, small diameter, high field strength permanent magnet pellet stored, seated adhering in a receptacle located in the proximal end of the handle having a bottom composed of a high magnetically susceptible material.Type: GrantFiled: June 14, 2005Date of Patent: May 27, 2008Inventor: Wen-Lung Chang
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Publication number: 20080066281Abstract: A pair of linkage bushing installation pliers includes two pivotally coupled, elongated handles with opposing clamping jaws, one presenting an annular clamping anvil for engagement around a receiving aperture on one side of a lever, the other presenting a seating anvil having a perpendicularly extending stool for coaxially forcing a linkage bushing, coaxially placed around the stool, into and through the receiving aperture from the opposite side of the lever.Type: ApplicationFiled: September 20, 2006Publication date: March 20, 2008Inventors: Robert Allen, Wen-Lung Chang
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Patent number: 7315444Abstract: The present invention is a modular structure for connecting interface on front panel of pc case, which combines the case and base such that not only the connecting interfaces for input/output originally installed at back side of PC are aligned at the front panel, but all connecting interfaces which accept insertion are integrated in a modular structure as well. Consequently, PC can be connected or expanded conveniently and, with the help of one or specialized flat cables, the assembly process of connecting interface is easy.Type: GrantFiled: August 15, 2005Date of Patent: January 1, 2008Assignee: Northstar Systems Corp.Inventors: Yung Hsien Chen, Wen Lung Chang, Ching Yi Yeh, Tseng Shyang Lin
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Publication number: 20070035915Abstract: The present invention is a modular structure for connecting interface on front panel of pc case, which combines the case and base such that not only the connecting interfaces for input/output originally installed at back side of PC are aligned at the front panel, but all connecting interfaces which accept insertion are integrated in a modular structure as well. Consequently, PC can be connected or expanded conveniently and, with the help of one or specialized flat cables, the assembly process of connecting interface is easy.Type: ApplicationFiled: August 15, 2005Publication date: February 15, 2007Applicant: Northstar systems Corp.Inventors: Yung-Hsien Chen, Wen-Lung Chang, Ching-Yi Yeh, Tseng-Shyang Lin
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Publication number: 20060279390Abstract: A magnetic pick-up tool is described having a first, small diameter, high field strength permanent magnet pellet, permanently secured within a holder presenting a pole face at a distal tip of a probe extending from a handle, and at least a second, removable, small diameter, high field strength permanent magnet pellet stored, seated adhering in a receptacle located in the proximal end of the handle having a bottom composed of a high magnetically susceptible material.Type: ApplicationFiled: June 14, 2005Publication date: December 14, 2006Inventor: Wen-Lung Chang
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Patent number: 6861464Abstract: A two component, curable hot melt adhesive system includes a first hot melt adhesive formulation which has a softening temperature greater than room temperature and which includes a first component of a curable adhesive therein. The system includes a second hot melt adhesive formulation which has a softening temperature which is greater than room temperature and which includes a second component of a curable adhesive therein. The second component is reactive with the first component to provide a cured adhesive bond. In use, the two formulations are heated to a temperature above their softening temperature and are contacted so as to cause mixing. The mixture cools to provide a thermoplastic bond which subsequently cures to provide a permanent adhesive bond. While the first and the second component individually perform as hot melt adhesives, combining the first and the second gives enhanced adhesive performance in extended temperature ranges.Type: GrantFiled: July 19, 2002Date of Patent: March 1, 2005Assignee: Diversified Chemical Technologies, Inc.Inventors: Rajan Eadara, Mooil Chung, David Wen-Lung Chang, Sunny K. George, Patrick A. Ohaka, Joribeth E. Joseff, Yushin Ahn
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Publication number: 20040014866Abstract: A two component, curable hot melt adhesive system includes a first hot melt adhesive formulation which has a softening temperature greater than room temperature and which includes a first component of a curable adhesive therein. The system includes a second hot melt adhesive formulation which has a softening temperature which is greater than room temperature and which includes a second component of a curable adhesive therein. The second component is reactive with the first component to provide a cured adhesive bond. In use, the two formulations are heated to a temperature above their softening temperature and are contacted so as to cause mixing. The mixture cools to provide a thermoplastic bond which subsequently cures to provide a permanent adhesive bond. While the first and the second component individually perform as hot melt adhesives, combining the first and the second gives enhanced adhesive performance in extended temperature ranges.Type: ApplicationFiled: July 19, 2002Publication date: January 22, 2004Inventors: Rajan Eadara, Mooil Chung, David Wen-Lung Chang, Sunny K. George, Patrick A. Ohaka, Joribeth E. Joseff, Yushin Ahn
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Patent number: 6487776Abstract: A handheld and bench top hose and tubing cutter for cutting hose and tubing of various sizes is disclosed. The hose cutter comprises a upper arm member and lower arm member with each arm member having its own handle, finger guard and colored differently. An intermediate pivot point is located close to one end of each of the two arm members to join the two arm members. The upper arm member further comprises a replaceable cutting blade located close to the pivot point. The lower arm member further comprises a nested cradle facing the cutting blade. The nested cradle has a suitably contoured supporting surface for the positioning of a hose or tube of various sizes to be engaged and cut through by the cutting blade. The upper and lower arm member also respectively includes opposing stopping surfaces such that, upon contacting each other, they would act as a positive stop for the cutting process with the position of the cutting blade clearing the nested cradle.Type: GrantFiled: April 16, 2001Date of Patent: December 3, 2002Inventor: Wen-Lung Chang
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Publication number: 20020148118Abstract: A handheld and bench top hose and tubing cutter for cutting hose and tubing of various sizes is disclosed. The hose cutter comprises a upper arm member and lower arm member with each arm member having its own handle, finger guard and colored differently. An intermediate pivot point is located close to one end of each of the two arm members to join the two arm members. The upper arm member further comprises a replaceable cutting blade located close to the pivot point. The lower arm member further comprises a nested cradle facing the cutting blade. The nested cradle has a suitably contoured supporting surface for the positioning of a hose or tube of various sizes to be engaged and cut through by the cutting blade. The upper and lower arm member also respectively includes opposing stopping surfaces such that, upon contacting each other, they would act as a positive stop for the cutting process with the position of the cutting blade clearing the nested cradle.Type: ApplicationFiled: April 16, 2001Publication date: October 17, 2002Inventor: Wen-Lung Chang
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Patent number: 6465815Abstract: The invention relates to a high-breakdown voltage heterostructure field-effect transistor (FET), which can be used under a high temperature condition. The FET device from bottom upward in succession includes a semiconductor substrate, a buffer layer, a delta-doped sheet, an undoped layer, a sub-channel layer, an active channel layer, a gate layer, and an ohmic contact layer.Type: GrantFiled: December 29, 2000Date of Patent: October 15, 2002Assignee: National Science CouncilInventors: Wen-Chau Liu, Jung-Hui Tsai, Wen-Lung Chang, Kuo-Hui Yu, Kun-Wei Lin
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Publication number: 20020030202Abstract: The invention relates to a high-breakdown voltage heterostructure field-effect transistor (FET), which can be used under a high temperature condition. The FET device from bottom upward in succession includes a semiconductor substrate, a buffer layer, a delta-doped sheet, an undoped layer, a sub-channel layer, an active channel layer, a gate layer, and an ohmic contact layer.Type: ApplicationFiled: December 29, 2000Publication date: March 14, 2002Inventors: Wen-Chau Liu, Jung-Hui Tsai, Wen-Lung Chang, Kuo-Hui Yu, Kun-Wei Lin
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Patent number: 6210517Abstract: A radiation curable precursor coating composition for the preparation of a non-blocking, heat activatable adhesive includes a curable acrylic material, a curable elastomeric material, and a hydrocarbon tackifier material having a softening temperature ranging from approximately 50° C. to approximately 200° C., wherein when the acrylic material and the elastomeric material are cured, the coating composition is non-blocking at room temperature, but when the coating composition is heated to a temperature above both the softening temperature of the hydrocarbon tackifier and the Tg of the coating composition, the coating composition becomes adhesive.Type: GrantFiled: April 13, 1999Date of Patent: April 3, 2001Assignee: Diversified Chemical Technologies, Inc.Inventors: Rajan Eadara, Mooil Chung, David Wen-Lung Chang, Weichen Chi