公开(公告)号：US11551715B2

公开(公告)日：2023-01-10

申请号：US16957290

申请日：2019-10-21

申请人： Sony Corporation

发明人： Shinya Tochikubo ,  Takanobu Iwama ,  Eiji Nakashio ,  Kazuo Anno ,  Naohiro Adachi

IPC分类号： G11B5/78 ,  H01Q7/00

摘要： 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.

公开(公告)号：US10796724B1

公开(公告)日：2020-10-06

申请号：US16453403

申请日：2019-06-26

申请人： SONY CORPORATION

发明人： Eiji Nakashio ,  Kazuo Anno ,  Shinya Tochikubo ,  Takanobu Iwama

IPC分类号： G11B5/584 ,  G11B27/30 ,  G11B23/03 ,  G11B5/588 ,  G11B5/55

摘要： A magnetic recording medium is provided and including an average thickness tT satisfies tT≤5.5 [μm], and a dimensional change amount Δw in a width direction of the magnetic recording medium with respect to a tension change in a longitudinal direction of the magnetic recording medium satisfies 700 [ppm/N]≤Δw.

公开(公告)号：US10204651B2

公开(公告)日：2019-02-12

申请号：US15316436

申请日：2015-04-10

申请人： Sony Corporation

发明人： Eiji Nakashio ,  Minoru Yamaga ,  Masaru Terakawa ,  Yoichi Kanemaki ,  Katsunori Maeshima ,  Jun Hashimoto

IPC分类号： G11B5/706 ,  G11B5/714 ,  G11B5/78 ,  G11B5/70

摘要： The magnetic recording medium includes a support and a magnetic layer containing a magnetic powder. The magnetic powder includes at least either of a magnetic particle containing a cubic ferrite and a magnetic particle containing an ε-phase iron oxide. The magnetic powder has a mean particle size of 10 nm or more and 14 nm or less, the magnetic powder has a mean aspect ratio of 0.75 or more and 1.25 or less, and the magnetic layer has a ten-point mean roughness Rz of 35 nm or less.

公开(公告)号：US11664054B2

公开(公告)日：2023-05-30

申请号：US17889849

申请日：2022-08-17

申请人： SONY CORPORATION

发明人： Eiji Nakashio ,  Kazuo Anno ,  Shinya Tochikubo ,  Takanobu Iwama

IPC分类号： G11B23/00 ,  G11B27/30 ,  G11B23/03 ,  G11B5/588 ,  G11B5/55 ,  G11B5/584

CPC分类号： G11B27/3027 ,  G11B23/0312 ,  G11B23/0316 ,  G11B5/5504 ,  G11B5/584 ,  G11B5/588 ,  G11B23/0313 ,  G11B2220/90

摘要： 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.

公开(公告)号：US11355145B2

公开(公告)日：2022-06-07

申请号：US16070140

申请日：2016-12-14

申请人： Sony Corporation

发明人： Eiji Nakashio ,  Masaru Terakawa ,  Yoichi Kanemaki ,  Tomoe Sato ,  Katsunori Maeshima ,  Nobuyuki Sasaki

IPC分类号： G11B5/65 ,  G11B5/706 ,  G11B5/714

摘要： 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.

公开(公告)号：US11562197B2

公开(公告)日：2023-01-24

申请号：US17046071

申请日：2019-03-28

申请人： SONY CORPORATION

发明人： Hiroaki Nakano ,  Eiji Nakashio ,  Kazuo Anno ,  Takanobu Iwama ,  Shinya Tochikubo ,  Naohiro Adachi ,  Masayoshi Abe ,  Uichiro Omae

IPC分类号： G11B23/04 ,  G06K19/077 ,  G11B23/107

摘要： A non-contact communication medium according to an embodiment of the present technology is a non-contact communication medium for a recording medium cartridge, including: a circuit component; a support substrate; and an antenna coil. The circuit component has a memory unit capable of storing management information relating to the recording medium cartridge therein. The support substrate supports the circuit component. The antenna coil includes a coil unit that is electrically connected to the circuit component and formed on the support substrate, an inductance value of the coil unit being 0.3 μH or more and 2.0 μH or less.

公开(公告)号：US11145329B2

公开(公告)日：2021-10-12

申请号：US17053573

申请日：2019-03-08

申请人： Sony Corporation

发明人： Kazuo Anno ,  Eiji Nakashio ,  Takanobu Iwama ,  Naohiro Adachi ,  Shinya Tochikubo ,  Masayoshi Abe

IPC分类号： G11B23/02 ,  G06K19/04 ,  G11B5/78 ,  G11B5/008

摘要： 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.

公开(公告)号：US11790945B2

公开(公告)日：2023-10-17

申请号：US17052084

申请日：2020-01-06

申请人： Sony Corporation

发明人： Minoru Yamaga ,  Eiji Nakashio ,  Kazuo Anno ,  Takanobu Iwama ,  Naohiro Adachi ,  Shinya Tochikubo

IPC分类号： G11B15/43 ,  G11B5/008 ,  G11B23/027 ,  G11B23/107 ,  G11B23/30 ,  G11B5/78

CPC分类号： G11B15/43 ,  G11B5/00813 ,  G11B5/78 ,  G11B23/027 ,  G11B23/107 ,  G11B23/30

摘要： A cartridge according to the present technology includes: a cartridge case; and a memory. The cartridge case houses a magnetic tape. The memory is provided in the cartridge case, the memory storing information before data recording by the magnetic tape, the information being for adjusting, during data recording or during data reproduction by the magnetic tape, a width of the magnetic tape.

公开(公告)号：US11715492B2

公开(公告)日：2023-08-01

申请号：US16642720

申请日：2019-06-12

申请人： Sony Corporation

发明人： Eiji Nakashio ,  Kazuo Anno ,  Takanobu Iwama ,  Shinya Tochikubo ,  Naohiro Adachi

IPC分类号： G11B5/78 ,  G11B15/43 ,  G11B23/027 ,  G11B23/30

CPC分类号： G11B5/78 ,  G11B15/43 ,  G11B23/027 ,  G11B23/30

摘要： A cartridge according to the present technology includes: a cartridge case; and a memory. The cartridge case houses a magnetic tape. The memory is provided in the cartridge case, the memory storing information during data recording by the magnetic tape, the information being for adjusting a width of the magnetic tape during data reproduction by the magnetic tape.

公开(公告)号：US11348615B2

公开(公告)日：2022-05-31

申请号：US16957295

申请日：2019-10-21

申请人： Sony Corporation

发明人： Kazuo Anno ,  Takanobu Iwama ,  Shinya Tochikubo ,  Eiji Nakashio ,  Naohiro Adachi

IPC分类号： G11B5/584 ,  G11B20/18 ,  G11B5/008 ,  G11B15/68 ,  H01Q1/24 ,  G11B5/588

摘要： 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.