公开(公告)号：US20230260545A1

公开(公告)日：2023-08-17

申请号：US18137624

申请日：2023-04-21

申请人： Sharp Kabushiki Kaisha ,  Memory-Tech Holdings Inc.

发明人： Hirohisa YAMADA ,  Takayuki NAKA ,  Masaki YAMAMOTO ,  Yoshihisa ADACHI ,  Hideharu TAJIMA ,  Masahito KONISHI

IPC分类号： G11B7/007 ,  G11B20/12 ,  G11B27/30 ,  G11B7/24085 ,  G11B7/013

CPC分类号： G11B7/0079 ,  G11B20/1217 ,  G11B27/3027 ,  G11B7/24085 ,  G11B7/00736 ,  G11B7/013

摘要： An optical disk (100) of the present invention includes (i) a medium information region (101) (a) in which type identification information is recorded by recesses and/or protrusions which are formed by a given modulation method and whose lengths are longer than a length of an optical system resolution limit of a playback device and (b) in which first address information is recorded in a first address data format and (ii) a data region (102) (a) in which content data is recorded by recesses and/or protrusions which are formed by the given modulation method and which include a recess and/or a protrusion whose length is shorter than the length of the optical system resolution limit and (b) in which second address information is recorded in a second address data format.

公开(公告)号：US20230018411A1

公开(公告)日：2023-01-19

申请号：US17757482

申请日：2020-12-23

申请人： SONY GROUP CORPORATION

发明人： YASUHIRO SONE

IPC分类号： G11B7/24027 ,  G11B7/24056 ,  G11B7/243 ,  G11B7/007

摘要： An optical recording medium includes a plurality of information signal layers. The plurality of information signal layers include a recording layer having a first surface that faces a light irradiation surface and a second surface on the side opposite to the first surface, a first dielectric layer that is provided on the side of the first surface, and a second dielectric layer that is provided on the side of the second surface. The second dielectric layer provided in the information signal layer positioned on the innermost side when viewed from the light irradiation surface contains indium oxide and tin oxide. The recording layer provided in the information signal layer positioned on the innermost side when viewed from the light irradiation surface contains an oxide of a metal MA, an oxide of a metal MB, an oxide of a metal MD, and an oxide of a metal ME, the metal MA is at least one selected from the group consisting of Mn and Ni, the metal MB is at least one selected from the group consisting of W, Mo, Zr and Ta, the metal MD is at least one selected from the group consisting of Cu and Ag, the metal ME is Nb, the contents of the metal MA, the metal MB and the metal ME satisfy the relationship of 0.30≤a1/(b1+e1)≤0.41 (where, a1: atomic ratio [atomic %] of the metal MA with respect to a total amount of the metal MA, the metal MB, the metal MD and the metal ME, b1: atomic ratio [atomic %] of the metal MB with respect to a total amount of the metal MA, the metal MB, the metal MD and the metal ME, and e1: atomic ratio [atomic %] of the metal ME with respect to a total amount of the metal MA, the metal MB, the metal MD and the metal ME), and the atomic ratio e1 of the metal ME with respect to a total amount of the metal MA, the metal MB, the metal MD and the metal ME is 5 atomic % or more and 18 atomic % or less.

公开(公告)号：US20220415351A1

公开(公告)日：2022-12-29

申请号：US17438820

申请日：2020-03-12

申请人： CASE WESTERN RESERVE UNIVERSITY

发明人： Kenneth Singer ,  Irina Shiyanovskaya

IPC分类号： G11B7/24038 ,  G11B7/005 ,  G11B7/24065 ,  G11B7/26 ,  G11B7/007 ,  G11B7/24027 ,  G11B7/24056 ,  G11B7/242

摘要： An optical information storage medium includes a substrate and a multilayer polymeric film. The multilayer polymeric film has a first surface and an opposite second surface that extend the length of the multilayer polymeric film. The second surface is adhered to a surface of the substrate. The multilayer polymeric film includes a plurality of coextruded alternating polymeric active data storage layers and polymeric buffer layers.

公开(公告)号：US11156481B2

公开(公告)日：2021-10-26

申请号：US16986575

申请日：2020-08-06

申请人： Michael Naor

发明人： Michael Naor

IPC分类号： G01D5/34 ,  G01D5/347 ,  G01D5/38 ,  G01M15/06 ,  G11B7/0065 ,  G11B7/007 ,  G11B7/08 ,  G11B7/09 ,  G11B7/131 ,  G11B7/1353 ,  G11B7/1374

摘要： An optical encoder is provided. The encoder includes an optical disc mounted on a shaft, the optical disc containing pit and land markings; an optical pickup unit for an optical disc that receives light from the optical disc and supplies as an output an electrical signal representative of the received light, comprising: a reading head objective lens, and dynamic steering actuators that control the focus and tracking of the reading head objective lens; a processor that receives as an input the electrical signal from the optical pickup unit and reports motion of the substrate based on the received at least one electrical signal.

公开(公告)号：US11100950B1

公开(公告)日：2021-08-24

申请号：US17084607

申请日：2020-10-29

申请人： National Central University

发明人： Yeh-Wei Yu ,  Ching-Cherng Sun

IPC分类号： G11B7/00 ,  G11B7/1353 ,  G11B7/007 ,  G11B7/08 ,  G11B20/10 ,  G11B7/1372 ,  G11B7/0065

摘要： A method for reading and writing with holographic system includes the following operations: (a) providing a reference light and a signal light; (b) transferring the reference light and the signal light to an optical recording medium, for recording an interference grating; (c) changing the reference light and the signal light and repeating the operations (a) to (b) until M interference gratings are recorded on the optical recording medium; (d) providing a reading light to the optical recording medium, for reading the M interference gratings at the same time to generate an interference result, wherein the interference result is a result that diffraction signals of the M interference gratings interfere to each other; and (e) changing the reading light and repeating the operation (d), for obtaining N interference results. A holographic storage system is also disclosed herein.

公开(公告)号：US10600442B2

公开(公告)日：2020-03-24

申请号：US15762366

申请日：2016-10-04

申请人： SONY CORPORATION

发明人： Yoshiyuki Kobayashi ,  Kouichi Uchimura

IPC分类号： G11B20/10 ,  G11B7/005 ,  G11B20/12 ,  G11B7/007

摘要： Data reproduction is performed in a mode decided on the basis of disc type information which is record data of a disc. A reading rate compatible with a physical format of a disc is compared with a reading rate compatible with a disc type, and in a case where the reading rates do not coincide with each other, data read from the disc at the physical format compatible rate is stored in the buffer, and the reproduction process is performed using the data output from the buffer at the disc type compatible rate. In a case where the physical format is BD-R or BD-RE, and the logical format is a logical format compatible with BDMV-UHD, the emulation mode reproduction accompanied with the rate conversion using the buffer is performed.

公开(公告)号：US10522162B2

公开(公告)日：2019-12-31

申请号：US16366035

申请日：2019-03-27

申请人： Sony Corporation

发明人： Chisato Kemmochi

IPC分类号： G10L19/16 ,  G10L19/00 ,  G11B20/10 ,  G11B20/12 ,  G11B7/007 ,  H04L12/54 ,  H04L12/801 ,  H04L12/825

摘要： The present technology relates to a signal processing apparatus, a signal processing method, and a program by which, in reproducing transmitted encoded data in real time, buffer overflow can be prevented from occurring on a reception apparatus side even if it is transmitted with a compression rate of the encoded data being varied in a manner that depends on communication condition. Encoded data including transmitted audio data is buffered by a reception buffer. At this time, the quantity of encoded data buffered by the reception buffer is managed in units of processing according to an encoding method. The present technology is applicable to a real-time content reproduction system utilizing a communication system.

公开(公告)号：US20190237102A1

公开(公告)日：2019-08-01

申请号：US16260837

申请日：2019-01-29

申请人： Panasonic Intellectual Property Management Co., Ltd.

发明人： Naohiro KIMURA ,  Harumitsu MIYASHITA

IPC分类号： G11B7/007 ,  G11B7/24094 ,  G11B7/28

摘要： An optical disc recording device includes a data acquisition unit configured to acquire bitmap data corresponding to image information, an address information acquisition unit configured to acquire address information set in wobbles of an optical disc by wobble synchronization from the optical disc, a recording position determining unit configured to determine a recording position on the optical disc for recording the bitmap data using the address information, and a mark recording unit configured to form a recording mark corresponding to the bitmap data on the information recording track of the optical disc by applying a light beam having recording power to the recording position on the optical disc.

公开(公告)号：US10360940B2

公开(公告)日：2019-07-23

申请号：US15504879

申请日：2014-04-04

申请人： Ivan {hacek over (S)}afárik ,  Milan Zachar ,  Ivan {hacek over (S)}útovský

发明人： Ivan {hacek over (S)}afárik ,  Milan Zachar ,  Ivan {hacek over (S)}útovský

IPC分类号： G11B7/007 ,  G11B20/00 ,  G11B27/32

摘要： Subject-matter is that between an inner edge and an outer edge of a lead-in area, are created by mechanical means grooves in the form of concentric circles around the central axis with the profile of the letter “V” in the protective layer, wherein these grooves have peaks and edges are created in such a way that the groove with the largest possible diameter of the circle does not exceed the inner part of the outer edge and the groove with the smallest possible diameter of the circle does not exceed the inner edge of the lead-in area, wherein the density of the grooves is such that edges of the grooves are touching each other on the surface of the protective layer and between the individual edges of the grooves there is no area undamaged by the grooves. Non-standard audio discs and video discs are manufactured by pressing from the matrix, they contain lead-in area data area and lead-out area and in the area with the radius from 18.00+1 mm to 23.50+1 mm are provided with the zone of the mechanical protection, which contains a set of grooves in the form of concentric circles, with the profile of the letter “V”, which are arranged closely to each other in such a way, that their upper edges are touching.

公开(公告)号：US20190221222A1

公开(公告)日：2019-07-18

申请号：US16366035

申请日：2019-03-27

申请人： Sony Corporation

发明人： Chisato Kemmochi

IPC分类号： G10L19/16 ,  H04L12/825 ,  H04L12/801 ,  H04L12/54 ,  G10L19/00 ,  G11B20/12 ,  G11B7/007

摘要： The present technology relates to a signal processing apparatus, a signal processing method, and a program by which, in reproducing transmitted encoded data in real time, buffer overflow can be prevented from occurring on a reception apparatus side even if it is transmitted with a compression rate of the encoded data being varied in a manner that depends on communication condition. Encoded data including transmitted audio data is buffered by a reception buffer. At this time, the quantity of encoded data buffered by the reception buffer is managed in units of processing according to an encoding method. The present technology is applicable to a real-time content reproduction system utilizing a communication system.