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公开(公告)号：US20220182446A1
公开(公告)日：2022-06-09
申请号：US17111170
申请日：2020-12-03
Applicant: Seagate Technology LLC
Inventor： Chaiwat Sittisombut , Colin Thomson
Abstract: Systems and methods are disclosed for implementing blockchain technology in a data storage system. In certain embodiments, a data storage device may upload a copy of a file to a cloud server for storage, and receive a network link to the copy of the file. The data storage device may then provide file metadata and the network link to a distributed ledger blockchain system to create a blockchain entry.
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公开(公告)号：US20220180005A1
公开(公告)日：2022-06-09
申请号：US17110833
申请日：2020-12-03
Applicant: Seagate Technology LLC
Inventor： Alphonsus John Kwok Kwong Heng , Lim Kian Beng , Saravanan Nagarajan
Abstract: Systems, methods, and devices having systems-on-a-chip (SOCs) may utilize bootup code stored external from the SOCs. The bootup code may be verified by the SOCs. If the bootup code is not verified within a selected duration, the SOC may be reset or disabled. If the bootup code is verified within the selected duration, a reset circuit may be disabled.
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公开(公告)号：US11356283B2
公开(公告)日：2022-06-07
申请号：US16406717
申请日：2019-05-08
Applicant: Seagate Technology LLC
Inventor： Dieter P. Schnabel
Abstract: A system includes a storage unit, a trusted time source, a key generation unit, and an encryption unit. The storage unit is configured to store data. The trusted time source provides a correct time responsive to a request. The key generation unit receives a time expiration associated with the data stored on the storage unit. The time expiration indicates when the data stored on the storage unit is to become inaccessible. The key generation unit further receives the correct time from the trusted time source and generates an encryption key based on the correct time and further based on the time expiration. The encryption unit is configured uses the encryption key to encrypt the data stored on the storage unit. A certificate that includes the time expiration and a decryption key associated with the encryption key is generated responsive to the data stored on the storage unit being encrypted.
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公开(公告)号：US11354398B2
公开(公告)日：2022-06-07
申请号：US16806831
申请日：2020-03-02
Applicant: Seagate Technology LLC
Inventor： Riyan Alex Mendonsa , Saravanan Nagarajan , Kenneth A. Haapala
Abstract: A secure cartridge-based storage system includes a set of read/write control electronics on a control board adapted to removably couple with each of a plurality of storage cartridges. For each individual storage cartridge, the read/write electronics are adapted to retrieve a unique device identifier from the storage cartridge; retrieve an encryption key stored on the control board in association with the unique device identifier; and utilize the encryption key to encrypt or decrypt data that is in transit to or from a target storage location on the storage media.
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公开(公告)号：US11348611B1
公开(公告)日：2022-05-31
申请号：US17233818
申请日：2021-04-19
Applicant: Seagate Technology LLC
Inventor： Riyan Alex Mendonsa , Brett R Herdendorf , Krishnan Subramanian
Abstract: In one aspect, a data storage device includes a disc, an arm, a head, a linear driver, and an elevator. The disc has a read/write surface defining an x-y plane. The arm has a head end that is movable relative to the disc. The head is configured to interact with the read/write surface. The linear driver is configured to move the arm along a substantially straight line in the x-y plane. The elevator is configured to move the arm in a z direction. In another aspect, rather than a linear driver, the data storage device includes a rotary actuator and a pivot actuator. The arm includes a first portion and a load beam. The rotary actuator is configured to move the first portion about a first pivot axis; the pivot actuator is configured to move the load beam about a second pivot axis relative to the first portion.
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Patent Agency Ranking
公开(公告)号：US11347403B2
公开(公告)日：2022-05-31
申请号：US16560858
申请日：2019-09-04
Applicant: Seagate Technology LLC
Inventor： Darshana H. Mehta , Antoine Khoueir
Abstract: Technologies are described herein for or extending the lifespan of a solid-state drive by using worn-out MLC flash blocks in SLC mode to extend their useful life. Upon identifying a first storage location in the storage media of an SSD as a candidate for defecting, the first storage location is switched from a first programming mode to a second programming mode, where the second programming mode results in a lower storage density of storage locations than the first programming mode. In conjunction with switching the first storage location to the first programming mode, a second storage location in the storage media is switched from the second programming mode to the first programming mode to ensure that the total capacity of the storage media remains at or above the rated capacity.
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公开(公告)号：US20220166828A1
公开(公告)日：2022-05-26
申请号：US17105162
申请日：2020-11-25
Applicant: Seagate Technology LLC
Inventor： Nilesh GOVANDE , Basavaraj KIRUNGE
Abstract: Load balancing technology is used to distribute tasks requested of a data storage network across the connected storage nodes within the data storage network. Conventional load balancing technology is not proactive. Storage nodes within a data storage network may have different performance characteristics and/or current loads created by various demands on the storage nodes and connected servers. The proactive load balancers and corresponding load balancer agents disclosed herein are used to detect these variations in performance characteristics and/or current loads in the storage nodes and connected servers to inform decisions made by the proactive load balancer in distributing incoming access requests across the storage nodes and connected servers.
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公开(公告)号：US11343544B2
公开(公告)日：2022-05-24
申请号：US16915824
申请日：2020-06-29
Applicant: Seagate Technology LLC
Inventor： Greg D. Larrew , Margot A. LaPanse , Michael Habinsky , Michael E. Baum
IPC: H04N21/231 , H04N7/18 , H04N21/234 , H04N21/4223
Abstract: A distributed video management system that allows for monitoring a camera allocation parameter and dynamic reallocation of video cameras to available camera nodes in response to detecting a change in the allocation parameter including selectively dropping at least one camera from the system based on a priority of the camera. The change in allocation parameter may be due to a number of potential contexts including a change in availability of camera nodes, a change in the nature of the video data captured, a change in computational load, or other change that results in a change in allocation parameter. The disconnection or “dropping” of a camera may be temporary in response to an increase in computational load on the system. The use of priority values of the cameras may allow for sufficient camera coverage to be provided by the system while maintaining processing of video data from higher priority cameras.
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公开(公告)号：US11341993B2
公开(公告)日：2022-05-24
申请号：US16826680
申请日：2020-03-23
Applicant: Seagate Technology LLC
Inventor： YiChao Ma , Xiong Liu , Pow Hing Yong
Abstract: A load/unload ramp includes a body with ramps, load/unload surfaces, and a vertical wall. The ramps include outer grooves positioned between the ramps. The load/unload surfaces extend from the respective ramps. The vertical wall includes channels extending through the vertical wall. In embodiments, the channels are positioned between the load/unload surfaces.
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公开(公告)号：US11341990B1
公开(公告)日：2022-05-24
申请号：US17330547
申请日：2021-05-26
Applicant: Seagate Technology LLC
Inventor： Zengyuan Liu , Edward Charles Gage , Tim Rausch , Stephanie Hernandez
Abstract: A recording head for writing data on tracks of a data storage medium is provided. The recording head includes a writer having a write pole and a trailing shield. The write pole includes a pole tip configured to write on the tracks of the data storage medium. The recording head also includes first and second writing-assistance wires positioned between the pole tip and the trailing shield in a down-track direction to enable a writing-assistance current to be provided to produce an assist magnetic field that augments a write field produced by the write pole.
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