Patents by Inventor Shiang-Jyh Chang
Shiang-Jyh 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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Patent number: 8200870Abstract: An embodiment of the present invention is disclosed to include a SATA Switch allowing for access by two hosts to a single port SATA device Further disclosed are embodiments for reducing the delay and complexity of the SATA Switch.Type: GrantFiled: March 16, 2009Date of Patent: June 12, 2012Assignee: NETAPP, Inc.Inventors: Siamack Nemazie, Andrew Hyonil Chong, Young-Ta Wu, Shiang-Jyh Chang
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Patent number: 8156270Abstract: An embodiment of the present invention is disclosed to include a hard disk drive allowing for access by two hosts to a device. Further disclosed are embodiments for reducing the delay and complexity of the SATA disk drive.Type: GrantFiled: March 16, 2009Date of Patent: April 10, 2012Assignee: LSI CorporationInventors: Siamack Nemazie, Andrew Hyonil Chong, Young-Ta Wu, Shiang-Jyh Chang
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Patent number: 8074002Abstract: An embodiment of the present invention is disclosed to include a SATA Switch allowing for access by two hosts to a single port SATA device Further disclosed are embodiments for reducing the delay and complexity of the SATA Switch.Type: GrantFiled: March 17, 2009Date of Patent: December 6, 2011Assignee: LSI CorporationInventors: Siamack Nemazie, Andrew Hyonil Chong, Young-Ta Wu, Shiang-Jyh Chang
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Patent number: 8060674Abstract: An integrated data storage control system provides, in a single integrated circuit, RDC, servo logic, ATA interface, microprocessor, and other formerly discrete components in one highly integrated system design. The integrated circuit is rendered using a single integrated circuit technology type (e.g., digital CMOS) for all components. Analog and digital circuits are combined in such a way as to eliminate or reduce noise or interference in digital circuits from analog circuit components. Individual elements may have their outputs and inputs MUXed together such that individual elements can be selectively switched (during testing modes) such that the integrated circuit emulates or behaves in the same or similar manner as one of the prior art components. The present invention may be applied to magnetic hard disk drives (HDDs) or other types of storage devices such as floppy disk controllers, optical disk drives (e.g., CD-ROMs and the like), tape drives, and other data storage devices.Type: GrantFiled: May 5, 2009Date of Patent: November 15, 2011Assignee: Broadcom CorporationInventors: Siamack Nemazie, Kaushik Popat, Balaji Virajpet, William R. Foland, Jr., Roger McPherson, Maoxin Wei, Vineet Dujari, Shiang-Jyh Chang
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Patent number: 7986630Abstract: An embodiment of the present invention is disclosed to include a fiber channel target device for receiving information in the form of frames and including a controller device coupled to a microprocessor for processing the frames received from the host, at least one receive buffer for storing the frames and having a buffer size, the controller device issuing credit to the host for receipt of further frames in a manner wherein only one microprocessor is needed to process the frames while maintaining a buffer size that is as small as the number of first type of frames that can be received by the fiber channel target device from the host.Type: GrantFiled: June 24, 2005Date of Patent: July 26, 2011Assignee: LSI CorporationInventors: Siamack Nemazie, Shiang-Jyh Chang, Young-Ta Wu, Andrew Hyonil Chong
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Patent number: 7783802Abstract: An embodiment of the present invention includes a switch employed in a system having two hosts and a device and for coupling two or more host ports to a device. The switch includes a power signal control circuit generating a power signal for use by the device in receiving power for operability thereto, the power signal control circuit responsive to detection of inoperability of the device and in response thereto, toggling the power signal to the device while avoiding interruption to the system.Type: GrantFiled: July 21, 2005Date of Patent: August 24, 2010Assignee: LSI CorporationInventors: Siamack Nemazie, Shiang-Jyh Chang, Young-Ta Wu
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Publication number: 20090274017Abstract: An integrated data storage control system provides, in a single integrated circuit, RDC, servo logic, ATA interface, microprocessor, and other formerly discrete components in one highly integrated system design. The integrated circuit is rendered using a single integrated circuit technology type (e.g., digital CMOS) for all components. Analog and digital circuits are combined in such a way as to eliminate or reduce noise or interference in digital circuits from analog circuit components. Individual elements may have their outputs and inputs MUXed together such that individual elements can be selectively switched (during testing modes) such that the integrated circuit emulates or behaves in the same or similar manner as one of the prior art components. The present invention may be applied to magnetic hard disk drives (HDDs) or other types of storage devices such as floppy disk controllers, optical disk drives (e.g., CD-ROMs and the like), tape drives, and other data storage devices.Type: ApplicationFiled: May 5, 2009Publication date: November 5, 2009Inventors: Siamack Nemazie, Kaushik Popat, Balaji Virajpet, William R. Foland, JR., Roger McPherson, Maoxin Wei, Vineet Dujari, Shiang-Jyh Chang
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Patent number: 7529869Abstract: An integrated data storage control system provides, in a single integrated circuit, RDC, servo logic, ATA interface, microprocessor, and other formerly discrete components in one highly integrated system design. The integrated circuit is rendered using a single integrated circuit technology type (e.g., digital CMOS) for all components. Analog and digital circuits are combined in such a way as to eliminate or reduce noise or interference in digital circuits from analog circuit components. Individual elements may have their outputs and inputs MUXed together such that individual elements can be selectively switched (during testing modes) such that the integrated circuit emulates or behaves in the same or similar manner as one of the prior art components. The present invention may be applied to magnetic hard disk drives (HDDs) or other types of storage devices such as floppy disk controllers, optical disk drives (e.g., CD-ROMs and the like), tape drives, and other data storage devices.Type: GrantFiled: August 18, 2005Date of Patent: May 5, 2009Assignee: Broadcom CorporationInventors: Siamack Nemazie, Kaushik Popat, Balaji Virajpet, William Foland, Jr., Roger McPherson, Maoxin Wei, Vineet Dujari, Shiang-Jyh Chang
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Patent number: 7523235Abstract: A switch is coupled between a plurality of host units and a device for communicating therebetween. Included is a first serial advanced technology attachment (SATA) port, a second SATA port, and a third SATA port. The first SATA port includes a first host task file coupled to a first host unit, and the first host task file is responsive to commands sent by the first host unit to the device. The second SATA port includes a second host task file coupled to a second host unit, and the second host task file is responsive to commands sent by the second host unit to the device. An arbitration control circuit is coupled to the SATA ports, and selects from the first and second hosts to concurrently access the device, through the switch, accepting commands from either host units at any time, including when the device is not idle.Type: GrantFiled: February 9, 2004Date of Patent: April 21, 2009Assignee: LSI CorporationInventors: Sam Nemazie, Shiang-Jyh Chang, Young-Ta Wu, Siamack Nemazie, Andrew Hyonil Chong
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Patent number: 7475173Abstract: An integrated data storage control system provides, in a single integrated circuit, RDC, servo logic, ATA interface, microprocessor, and other formerly discrete components in one highly integrated system design. The integrated circuit is rendered using a single integrated circuit technology type (e.g., digital CMOS) for all components. Analog and digital circuits are combined in such a way as to eliminate or reduce noise or interference in digital circuits from analog circuit components. Individual elements may have their outputs and inputs MUXed together such that individual elements can be selectively switched (during testing modes) such that the integrated circuit emulates or behaves in the same or similar manner as one of the prior art components. The present invention may be applied to magnetic hard disk drives (HDDs) or other types of storage devices such as floppy disk controllers, optical disk drives (e.g., CD-ROMs and the like), tape drives, and other data storage devices.Type: GrantFiled: March 17, 2006Date of Patent: January 6, 2009Assignee: Broadcom CorporationInventors: Siamack Nemazie, Kaushik Popat, Balaji Virajpet, William R. Foland, Jr., Roger McPherson, Maoxin Wei, Vineet Dujari, Shiang-Jyh Chang
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Publication number: 20060161703Abstract: An integrated data storage control system provides, in a single integrated circuit, RDC, servo logic, ATA interface, microprocessor, and other formerly discrete components in one highly integrated system design. The integrated circuit is rendered using a single integrated circuit technology type (e.g., digital CMOS) for all components. Analog and digital circuits are combined in such a way as to eliminate or reduce noise or interference in digital circuits from analog circuit components. Individual elements may have their outputs and inputs MUXed together such that individual elements can be selectively switched (during testing modes) such that the integrated circuit emulates or behaves in the same or similar manner as one of the prior art components. The present invention may be applied to magnetic hard disk drives (HDDs) or other types of storage devices such as floppy disk controllers, optical disk drives (e.g., CD-ROMs and the like), tape drives, and other data storage devices.Type: ApplicationFiled: March 17, 2006Publication date: July 20, 2006Inventors: Siamack Nemazie, Kaushik Popat, Balaji Virajpet, William Foland, Roger McPherson, Maoxin Wei, Vineet Dujari, Shiang-Jyh Chang
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Publication number: 20060010271Abstract: An integrated data storage control system provides, in a single integrated circuit, RDC, servo logic, ATA interface, microprocessor, and other formerly discrete components in one highly integrated system design. The integrated circuit is rendered using a single integrated circuit technology type (e.g., digital CMOS) for all components. Analog and digital circuits are combined in such a way as to eliminate or reduce noise or interference in digital circuits from analog circuit components. Individual elements may have their outputs and inputs MUXed together such that individual elements can be selectively switched (during testing modes) such that the integrated circuit emulates or behaves in the same or similar manner as one of the prior art components. The present invention may be applied to magnetic hard disk drives (HDDs) or other types of storage devices such as floppy disk controllers, optical disk drives (e.g., CD-ROMs and the like), tape drives, and other data storage devices.Type: ApplicationFiled: August 18, 2005Publication date: January 12, 2006Inventors: Siamack Nemazie, Kaushik Popat, Balaji Virajpet, William Foland, Roger McPherson, Maoxin Wei, Vineet Dujari, Shiang-Jyh Chang
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Patent number: 6594716Abstract: An integrated data storage control system provides, in a single integrated circuit, RDC, servo logic, ATA interface, microprocessor, and other formerly discrete components in one highly integrated system design. The integrated circuit is rendered using a single integrated circuit technology type (e.g., digital CMOS) for all components. Analog and digital circuits are combined in such a way as to eliminate or reduce noise or interference in digital circuits from analog circuit components. Individual elements may have their outputs and inputs MUXed together such that individual elements can be selectively switched (during testing modes) such that the integrated circuit emulates or behaves in the same or similar manner as one of the prior art components. The present invention may be applied to magnetic hard disk drives (HDDs) or other types of storage devices such as floppy disk controllers, optical disk drives (e.g., CD-ROMs and the like), tape drives, and other data storage devices.Type: GrantFiled: June 28, 2001Date of Patent: July 15, 2003Assignee: Cirrus Logic, Inc.Inventors: Siamack Nemazie, Kaushik Popat, Balaji Virajpet, William R. Foland, Jr., Roger McPherson, Maoxin Wei, Vineet Dujari, Shiang-Jyh Chang
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Publication number: 20010056511Abstract: An integrated data storage control system provides, in a single integrated circuit, RDC, servo logic, ATA interface, microprocessor, and other formerly discrete components in one highly integrated system design. The integrated circuit is rendered using a single integrated circuit technology type (e.g., digital CMOS) for all components. Analog and digital circuits are combined in such a way as to eliminate or reduce noise or interference in digital circuits from analog circuit components. Individual elements may have their outputs and inputs MUXed together such that individual elements can be selectively switched (during testing modes) such that the integrated circuit emulates or behaves in the same or similar manner as one of the prior art components. The present invention may be applied to magnetic hard disk drives (HDDs) or other types of storage devices such as floppy disk controllers, optical disk drives (e.g., CD-ROMs and the like), tape drives, and other data storage devices.Type: ApplicationFiled: June 28, 2001Publication date: December 27, 2001Inventors: Siamack Nemazie, Kaushik Popat, Balaji Virajpet, William Foland, Roger McPherson, Maoxin Wei, Vineet Dujari, Shiang-Jyh Chang
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Publication number: 20010054119Abstract: An integrated data storage control system provides, in a single integrated circuit, RDC, servo logic, ATA interface, microprocessor, and other formerly discrete components in one highly integrated system design. The integrated circuit is rendered using a single integrated circuit technology type (e.g., digital CMOS) for all components. Analog and digital circuits are combined in such a way as to eliminate or reduce noise or interference in digital circuits from analog circuit components. Individual elements may have their outputs and inputs MUXed together such that individual elements can be selectively switched (during testing modes) such that the integrated circuit emulates or behaves in the same or similar manner as one of the prior art components. The present invention may be applied to magnetic hard disk drives (HDDs) or other types of storage devices such as floppy disk controllers, optical disk drives (e.g., CD-ROMs and the like), tape drives, and other data storage devices.Type: ApplicationFiled: June 28, 2001Publication date: December 20, 2001Inventors: Siamack Nemazie, Kaushik Popat, Balaji Virajpet, William R. Foland, Roger McPherson, Maoxin Wei, Vineet Dujari, Shiang-Jyh Chang
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Patent number: 6314480Abstract: An integrated HDD system provides, in a single integrated circuit, RDC, servo logic, ATA interface, microprocessor, and other formerly discrete components in one highly integrated system design. The integrated circuit is rendered using a single integrated circuit technology type (e.g. digital CMOS) for all components. Analog and digital circuits are combined in such a way as to eliminate or reduce noise or interference in digital circuits from analog circuit components. The invention takes advantage of existing circuit design modules provided in the integrated circuit as “hard block” components which are unchanged by integrated circuit design software. Changes in operability of the overall integrated circuit may be readily achieved by altering “soft block” components to customize or tailor the design for a particular hard drive.Type: GrantFiled: November 8, 1999Date of Patent: November 6, 2001Assignee: Cirrus Logic, Inc.Inventors: Siamack Nemazie, Kaushik Popat, Balaji Virajpet, William R. Foland, Jr., Roger McPherson, Maoxin Wei, Vineet Dujari, Shiang-Jyh Chang