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公开(公告)号：US11037588B1
公开(公告)日：2021-06-15
申请号：US16865752
申请日：2020-05-04
摘要： A tape cartridge for increasing tape drive head performance is provided. The tape cartridge comprises a cleaning tape, a tape guide arrangement that guides the cleaning tape within the cleaner cartridge, a cleaning fluid application arrangement that applies cleaning fluid to the cleaning tape within the cleaner cartridge, and a cartridge memory that stores cleaning count and motor taches count information. The tape guide arrangement is operable to bring the cleaning tape in contact with the cleaning fluid application arrangement to apply the cleaning fluid onto the cleaning tape when the cleaning tape is subject to a first tension level and avoid the contact with the cleaning fluid application arrangement when the cleaning tape is subject to a second tension level to prevent application of the cleaning fluid onto the cleaning tape.
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公开(公告)号：US10573352B2
公开(公告)日：2020-02-25
申请号：US16244251
申请日：2019-01-10
发明人： Ole Asmussen , Robert Beiderbeck , Erik Rueger , Markus Schaefer
摘要： A system for corrosion protection of a tape drive. The system includes: the tape drive; a humidity sensor for determining humidity information; a temperature sensor for establishing temperature information indicative of a temperature in an area of, or within, the tape drive; a heating entity for heating at least a portion of the tape drive; and a controller for activating the heating entity in a manner dependent on the temperature information established via the temperature sensor in order to prevent corrosion within the tape drive, the activating the heating entity being in response to a determination that the humidity information determined via the humidity sensor indicates that the relative humidity is above a specified relative humidity threshold value and the established temperature information indicates a temperature drop above a specified temperature drop value within a specified period of time.
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公开(公告)号：US20200051593A1
公开(公告)日：2020-02-13
申请号：US16654531
申请日：2019-10-16
发明人： Ole Asmussen , Robert Beiderbeck , Erik Rueger , Markus Schafer
摘要： A tape drive system for ensuring tape data integrity by tape surface inspection, the tape drive system being configured for reading and writing data from/to a magnetic tape, is provided. The tape drive system includes a laser inspection unit comprising a sender and a receiver integrated into the tape drive system, wherein the laser inspection unit configured for recognizing a tape defect by scanning the magnetic tape when the tape drive system is in operation. The tape drive system includes a read/write head configured for acting together with the laser inspection unit as sensors for providing sensor data during a read/write operation of the tape drive system, a communication link between the sensors and a controller unit for exchanging sensor data. The controller is configured for evaluating sensor data and for triggering predefined actions based on the respective evaluation results such that the tape data integrity is ensured.
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公开(公告)号：US10472186B1
公开(公告)日：2019-11-12
申请号：US16141045
申请日：2018-09-25
摘要： A port is used for exchanging removable media with a media library. The port includes a port housing with an opening exchanging the media between an internal volume and another opening permitting an exchange of the media between the internal volume and the media library. The port also includes a guiding funnel for guiding the media from the environment to the opening, an elastic element and a plate for receiving the medium. The elastic element and the plate are installed in the internal volume, and the plate is coupled to the elastic element. The elastic element is configured for pressing the plate against the opening to seal the port when the plate is unloaded and for permitting a movement of the plate into the internal volume to allow the exchange of the medium through the other opening when the plate is loaded.
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公开(公告)号：US20190325907A1
公开(公告)日：2019-10-24
申请号：US16433102
申请日：2019-06-06
摘要： The invention relates to a tape drive, and to a method and a computer program product for operating a tape drive. The tape drive may include a transport mechanism which may include a tape head. The tape drive may be adapted to receive a magnetic tape with the transport mechanism, and to transport the magnetic tape by the transport mechanism. The tape head may be adapted to perform read-write operations on an oxide side of the magnetic tape. The tape drive may include a burnishing unit, which may include a burnishing roller and a burnish controller having an abrasive shell. The burnishing roller may be installed in the tape drive upstream of the tape head such that the abrasive shell supports the received magnetic tape on the oxide side. The burnish controller may be adapted to control the movement of the burnishing roller.
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公开(公告)号：US10289335B2
公开(公告)日：2019-05-14
申请号：US15702158
申请日：2017-09-12
发明人： Ole Asmussen , Robert Beiderbeck , Erik Rueger , Markus Schäfer
摘要： A method and system for improving tape drive memory storage is provided. The method includes receiving, by a storage tape drive hardware device, a data stream. Duplicate data chunks of the data stream are identified and deleted such that a group of data chunks remain in a non-volatile memory device (NVS2) of the storage tape drive. The group of data chunks is written to a data storage tape cartridge. Pointers are generated and stored within the data storage tape cartridge. The pointers are associated with a location within an NVS1 for storing de-duplication hashes identifying each data chunk of the group of data chunks stored within data storage tape cartridge. The de-duplication hashes are written by from the NVS1 to a manager non-volatile memory device (MNVS) of a storage tape drive hardware library system. The MNVS is updated.
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公开(公告)号：US20180090983A1
公开(公告)日：2018-03-29
申请号：US15276858
申请日：2016-09-27
发明人： Ole Asmussen , Robert Beiderbeck , Frank Krick , Markus Schaefer
CPC分类号： H02J9/061 , G11B5/00813 , H02J7/0021 , H02J7/0027
摘要： A charge level for a first rechargeable power source, a second rechargeable power source, and a third rechargeable power source is determined. The first rechargeable power source is determined to be below a threshold level of charge. In response to determining that the first rechargeable power source is below a threshold level of charge, a switch is made from the first rechargeable power source to the second rechargeable power source.
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公开(公告)号：US10656860B2
公开(公告)日：2020-05-19
申请号：US16271271
申请日：2019-02-08
发明人： Ole Asmussen , Robert Beiderbeck , Erik Rueger , Markus Schäfer
摘要： A method and system for improving tape drive memory storage is provided. The method includes receiving, by a storage tape drive hardware device, a data stream. Duplicate data chunks of the data stream are identified and deleted such that a group of data chunks remain in a non-volatile memory device (NVS2) of the storage tape drive. The group of data chunks is written to a data storage tape cartridge. Pointers are generated and stored within the data storage tape cartridge. The pointers are associated with a location within an NVS1 for storing de-duplication hashes identifying each data chunk of the group of data chunks stored within data storage tape cartridge. The de-duplication hashes are written from the NVS1 to a manager non-volatile memory device (MNVS) of a storage tape drive hardware library system. The MNVS is updated.
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公开(公告)号：US20190272257A1
公开(公告)日：2019-09-05
申请号：US16416473
申请日：2019-05-20
发明人： Ole Asmussen , Robert Beiderbeck , Erik Rueger , Markus Schaefer
IPC分类号： G06F16/174 , G06F3/06 , H03M7/30 , G06F11/14
摘要： A method and system for improving tape drive memory storage is provided. The method includes receiving, by a storage tape drive, a data stream for storage. The data stream is passed through a non-volatile memory device (NVS2) of the storage tape drive. The data stream is divided into adjacent variable length data chunks and a chunk list file including similarity identifiers for each of the adjacent variable length data chunks is generated and stored within a (non-volatile memory device) NVS1. Duplicate data including duplicated data with respect to a group of data chunks of the adjacent variable length data chunks is identified and deleted from the NVS2 of the storage tape drive such that the group of data chunks remains within NVS2. The group of data chunks is written to a data storage tape cartridge. Pointers identifying each data chunk and an associated storage position are generated and stored.
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公开(公告)号：US20190267045A1
公开(公告)日：2019-08-29
申请号：US15907563
申请日：2018-02-28
摘要： A tape cartridge for a magnetic tape may be provided. The tape cartridge includes a magnetic tape surrounded by a housing and a temperature indicator that signals a temperature of the tape cartridge, for example, by a thermochromic label. Additionally, a system for tape cartridge data protection that interoperates with the tape cartridge is provided. The system includes a storage for holding a tape cartridge, a sensor that detects temperature information from the temperature indicator of the tape cartridge, and a control unit for controlling an actuator that performs an action depending on the detected temperature information. Furthermore, a method for operating the system for tape cartridge data protection is proposed.
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