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公开(公告)号：US20200321033A1
公开(公告)日：2020-10-08
申请号：US16886191
申请日：2020-05-28
Applicant: SONY CORPORATION
Inventor： Eiji NAKASHIO , Kazuo ANNO , Shinya TOCHIKUBO , Takanobu IWAMA
Abstract: A cartridge includes a tape-shaped magnetic recording medium and a cartridge memory. The cartridge memory includes a communication unit that communicates with a recording/reproducing device in a state where the cartridge is loaded on the recording/reproducing device; a storage unit; and a control unit that stores information received from the recording/reproducing device through the communication unit in the storage unit, reads the information from the storage unit according to a request from the recording/reproducing device, and transmits the information to the recording/reproducing device through the communication unit. The information includes manufacturing information of the cartridge and adjustment information for adjusting a tension applied to the magnetic recording medium in a longitudinal direction thereof, and the tape-shaped magnetic recording medium has a plurality of servo bands.
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公开(公告)号：US20200321025A1
公开(公告)日：2020-10-08
申请号：US16099298
申请日：2017-05-11
Applicant: SONY CORPORATION
Inventor： Eiji NAKASHIO , Yuta AKIMOTO , Tomoe SATO , Yoichi KANEMAKI , Nobuyuki SASAKI , Masaru TERAKAWA , Kazuya HASHIMOTO , Katsunori MAESHIMA , Minoru YAMAGA , Hikaru TERUI , Hiroyuki KOBAYASHI
Abstract: A magnetic recording medium includes an elongated substrate, and a reinforcing layer and a carbon thin film disposed on one surface of the substrate.
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公开(公告)号：US20180108375A1
公开(公告)日：2018-04-19
申请号：US15561397
申请日：2016-02-08
Applicant: Sony Corporation
Inventor： Eiji NAKASHIO , Minoru YAMAGA , Jun TAKAHASHI
CPC classification number: G11B5/584 , G11B5/70615 , G11B5/70621 , G11B5/712 , G11B5/714 , G11B5/72 , G11B5/735 , G11B5/738 , H01F1/0054 , H01F1/0551 , H01F1/059
Abstract: A magnetic recording medium includes a support, a recording layer, and a protective layer provided on at least one surface of the support and containing plate-shaped particle powder. The plate-shaped particle powder is stacked in an overlapping manner in a thickness direction of the protective layer such that main surfaces of plate-shaped particles face a surface of the support, and the plate-shaped particles have an average plate ratio of 60 or more.
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公开(公告)号：US20210383836A1
公开(公告)日：2021-12-09
申请号：US16957295
申请日：2019-10-21
Applicant: Sony Corporation
Inventor： Kazuo ANNO , Takanobu IWAMA , Shinya TOCHIKUBO , Eiji NAKASHIO , Naohiro ADACHI
Abstract: A cartridge memory is a cartridge memory used in a magnetic tape cartridge, including: an antenna unit; a storage unit that stores data; and a control unit that reads the data from the storage unit in response to a request from a recording/reproduction apparatus, adds an error correction code to the data, and transmits the obtained data via the antenna unit.
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5.发明申请公开(公告)号：US20210366514A1
公开(公告)日：2021-11-25
申请号：US16957290
申请日：2019-10-21
Applicant: Sony Corporation
Inventor： Shinya TOCHIKUBO , Takanobu IWAMA , Eiji NAKASHIO , Kazuo ANNO , Naohiro ADACHI
IPC: G11B5/78
Abstract: A cartridge memory is a cartridge memory used in a recording medium cartridge and includes an antenna section that induces an induced voltage by means of electromagnetic induction, a load modulation section including a load whose magnitude is variable, and a control section that measures the induced voltage and controls the load modulation section on the basis of the measured induced voltage.
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Patent Agency Ranking
公开(公告)号：US20210241793A1
公开(公告)日：2021-08-05
申请号：US17053573
申请日：2019-03-08
Applicant: Sony Corporation
Inventor： Kazuo ANNO , Eiji NAKASHIO , Takanobu IWAMA , Naohiro ADACHI , Shinya TOCHIKUBO , Masayoshi ABE
Abstract: A recording medium cartridge according to an embodiment of the present technology includes: an information recording medium; a first cartridge memory; and a second cartridge memory. The first cartridge memory is capable of storing first information relating to the information recording medium, and includes a non-contact communication medium capable of reading/writing the first information via a first communication device disposed in a drive device. The second cartridge memory is capable of storing second information relating to the information recording medium, and is configured to be capable of reading the second information via a second communication device.
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公开(公告)号：US20190013043A1
公开(公告)日：2019-01-10
申请号：US16070140
申请日：2016-12-14
Applicant: Sony Corporation
Inventor： Eiji NAKASHIO , Masaru TERAKAWA , Yoichi KANEMAKI , Tomoe SATO , Katsunori MAESHIMA , Nobuyuki SASAKI
IPC: G11B5/65
Abstract: The magnetic recording medium includes a long substrate body, and a magnetic layer including a powder of cubic crystal ferrite magnetic particles. The sum of a squareness ratio in the longitudinal direction and a squareness ratio in the vertical direction is 1.2 or more, and the difference of the squareness ratio in the longitudinal direction and the squareness ratio in the vertical direction is 0.15 or more.
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公开(公告)号：US20230267966A1
公开(公告)日：2023-08-24
申请号：US18141695
申请日：2023-05-01
Applicant: SONY CORPORATION
Inventor： Eiji NAKASHIO , Kazuo ANNO , Shinya TOCHIKUBO , Takanobu IWAMA
CPC classification number: G11B27/3027 , G11B23/0316 , G11B23/0312 , G11B2220/90 , G11B23/0313 , G11B5/588
Abstract: A cartridge is provided and includes tape-shaped magnetic recording medium; and cartridge memory; wherein cartridge memory includes communication unit that communicates with recording/reproducing device in state where cartridge is loaded on recording/reproducing device; storage unit; and control unit that stores, reads, and transmits information, wherein information includes manufacturing information of cartridge and adjustment information for adjusting a tension applied to the tape-shaped magnetic recording medium in a longitudinal direction of tape-shaped magnetic recording medium thereof, tape-shaped magnetic recording medium has a plurality of servo bands, and wherein a temperature expansion coefficient α of the tape-shaped magnetic recording medium satisfies 6 ppm/° C.≤α≤8 ppm/° C.
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公开(公告)号：US20210375317A1
公开(公告)日：2021-12-02
申请号：US16978960
申请日：2019-01-25
Applicant: Sony Semiconductor Solutions Corporation , Sony Corporation
Inventor： Hiroaki NAKANO , Hiroaki FUJITA , Eiji NAKASHIO
IPC: G11B23/087 , G06K19/07 , H04B5/02
Abstract: [Solving Means] A non-contact communication medium according to an embodiment of the present technology includes: a voltage generation unit; a memory unit; a clock signal generation unit; and a control unit. The voltage generation unit includes an antenna coil for transmission/reception, and receives a signal magnetic field from an external device to generate a voltage. The memory unit stores one or more circuit parameters set in the voltage generation unit, and predetermined management information. The clock signal generation unit is configured to be capable of selectively generating clock signals having two or more different frequencies. The control unit is configured to select a frequency of a clock signal to be supplied to the memory unit from the clock signal generation unit.
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公开(公告)号：US20190143637A1
公开(公告)日：2019-05-16
申请号：US16099625
申请日：2017-05-11
Applicant: Sony Corporation
Inventor： Eiji NAKASHIO , Yuta AKIMOTO , Tomoe SATO , Yoichi KANEMAKI , Nobuyuki SASAKI , Masaru TERAKAWA , Kazuya HASHIMOTO , Katsunori MAESHIMA , Minoru YAMAGA , Hikaru TERUI , Hiroyuki KOBAYASHI
Abstract: A magnetic recording medium according to a first technique includes an elongated substrate having a first surface and a second surface, a first reinforcing layer disposed on the first surface, a second reinforcing layer disposed on the second surface, an adhesion suppressing layer disposed on the second reinforcing layer, and a recording layer disposed on the first reinforcing layer or the adhesion suppressing layer.
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