专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

51. 发明专利

JP2007323756A Optical head and disk drive unit using the same 有权
标题翻译：光头和磁盘驱动单元使用相同
公开(公告)号：JP2007323756A
公开(公告)日：2007-12-13
申请号：JP2006154147
申请日：2006-06-02
申请人： Hitachi Media Electoronics Co Ltd , 株式会社日立メディアエレクトロニクス
发明人： OCHI MANABU , ICHIKAWA FUMIHITO , YOSHIDA HIROYASU , SATAKE MITSUO
IPC分类号： G11B7/125 , G11B7/135
CPC分类号： G11B7/126 , G11B7/127
摘要： PROBLEM TO BE SOLVED: To provide an optical head capable of attaining a stable operation by reducing the amount of heat conducted from a laser driving circuit to a casing near a semiconductor laser and maintaining the low temperature of the semiconductor laser, and a disk drive unit using the same. SOLUTION: The optical head is constructed in such a manner that a semiconductor laser and an optical detector are arranged on one side with respect to a straight line parallel to an axis passing through the center of the objective lens of an objective lens drive unit to abut on a bearing, and a laser driving circuit is arranged on the other side with respect to the straight line. Thus, a sufficient distance is secured from the laser driving circuit to the semiconductor laser, and the amount of heat conducted from the laser driving circuit to the casing is reduced. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供能够通过将从激光驱动电路传导到半导体激光器附近的壳体的热量并且保持半导体激光器的低温来获得稳定操作的光学头，以及磁盘驱动器单元使用相同。解决方案：光头被构造成使得半导体激光器和光学检测器相对于平行于通过物镜驱动器的物镜的中心的轴线的一条直线布置在一侧单元抵接在轴承上，激光驱动电路相对于直线设置在另一侧。因此，确保从激光驱动电路到半导体激光器的足够的距离，并且从激光驱动电路传导到壳体的热量减少。版权所有（C）2008，JPO＆INPIT

52. 发明专利

JP2007323733A Multilayer optical disk, information recording method, and information reproducing method 有权
标题翻译：多层光盘，信息记录方法和信息再现方法
公开(公告)号：JP2007323733A
公开(公告)日：2007-12-13
申请号：JP2006152718
申请日：2006-05-31
申请人： Toshiba Corp , 株式会社東芝
发明人： UMEZAWA KAZUYO , MORITA SEIJI , TAKAZAWA KOJI , ANDO HIDEO , ODERA YASUAKI , NAKAMURA NAOMASA , MORISHITA NAOKI
IPC分类号： G11B7/0045 , G11B7/125
CPC分类号： G11B7/00736 , G11B7/126 , G11B2007/0013
摘要： PROBLEM TO BE SOLVED: To optimize recording conditions relatively in a short time in an optical disk allowing recording of multiple layers. SOLUTION: A one side of, for example, a write-once double layer disk (100) is used, and information is recorded by forming mark parts and space parts by using a laser modulated in exit power in a data area (DA). Here, the maximum laser power (peak power) in forming the mark parts is defined as Pp, and the bias power in forming the space parts as Pb, the power ratio Pb/Pp of Pp to Pb is calculated (ST16) for each of the respective recording layers (L0, L1) and the information is recorded in either (L0 and/or L1) of the plurality of the recording layers based on the calculation results (ST14 to ST22). In this method, the calculated power ratio Pb/Pp varies by recording layer. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：在允许记录多层的光盘中在短时间内相对地优化记录条件。解决方案：使用例如一次写入双层盘（100）的一侧，并且通过使用在数据区域中以出口功率调制的激光来形成标记部分和空间部分来记录信息（ DA）。这里，将形成标记部的最大激光功率（峰值功率）定义为Pp，并且计算形成空间部分的偏压功率为Pb，Pp至Pb的功率比Pb / Pp（ST16）根据计算结果，将各记录层（L0，L1）和信息记录在多个记录层的（L0和/或L1）（ST14至ST22）中。在该方法中，计算出的功率比Pb / Pp由记录层变化。版权所有（C）2008，JPO＆INPIT

53. 发明专利

JP3983221B2 Storage device 有权
公开(公告)号：JP3983221B2
公开(公告)日：2007-09-26
申请号：JP2003560914
申请日：2003-01-10
申请人：富士通株式会社
发明人：寧章森本 , 良太秋山 , 哲夫細川 , 信秀青山
IPC分类号： G11B11/105 , G11B7/00 , G11B7/0045 , G11B7/005 , G11B7/007 , G11B7/013 , G11B7/125 , G11B7/24 , G11B20/10 , G11B20/12 , G11B20/14 , G11B20/18
CPC分类号： G11B20/1403 , G11B7/005 , G11B7/0079 , G11B7/126 , G11B7/1263 , G11B7/24085 , G11B11/1051 , G11B11/10515 , G11B11/10543 , G11B11/10554 , G11B11/10584 , G11B11/10597 , G11B20/10 , G11B2007/0013 , G11B2020/1259
摘要： A storage apparatus, capable of record or reproduce of an optical information recording medium in which ROM information is recorded with phase pits and RAM information is recorded on top of a recording region of the phase pits, has a main controller that, when the output of the recording information detection system - a system for detecting reflected light of a laser beam from the optical information recording medium and generating signals corresponding to ROM and RAM information - simultaneously contains ROM and RAM signals corresponding to ROM and RAM information, performs negative feedback control of a semiconductor laser emission using ROM signal in the output of the recording information detection system and performs control so as to obtain read-out and played-back ROM signal from the output of an optical intensity detection system for detecting the intensity of the laser light.

54. 发明专利

JP3969958B2 Optical information recording method 有权
公开(公告)号：JP3969958B2
公开(公告)日：2007-09-05
申请号：JP2001036395
申请日：2001-02-14
申请人：株式会社リコー
发明人：明彦清水
IPC分类号： G11B7/0045 , G11B7/004 , G11B7/006 , G11B7/125
CPC分类号： G11B7/126 , G11B7/006

56. 发明专利

JP2007134030A Method for transmitting write strategy to laser driver 审中-公开
标题翻译：将写策略传输到激光驱动器的方法
公开(公告)号：JP2007134030A
公开(公告)日：2007-05-31
申请号：JP2006293413
申请日：2006-10-30
申请人： Thomson Licensing , トムソンライセンシングThomson Licensing
发明人： ZUCKER FRIEDHELM
IPC分类号： G11B7/0045 , G11B7/125 , G11B20/10
CPC分类号： G11B20/00086 , G11B7/00456 , G11B7/126 , G11B20/0021 , G11B20/00231 , G11B20/00557
摘要： PROBLEM TO BE SOLVED: To provide a method for transmitting a write strategy to a laser driver; and to provide a pickup and an apparatus for performing writing and reading with respect to an optical recording medium using this method. SOLUTION: The method comprises a step 2 of transmitting an encrypted write strategy to the laser driver, and a step 3 of decrypting the transmitted write strategy using a decryption key stored in a first memory of the laser driver. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种向激光驱动器发送写入策略的方法; 并且提供一种用于使用该方法执行关于光学记录介质的写入和读取的拾取器和装置。解决方案：该方法包括将加密的写入策略发送到激光驱动器的步骤2，以及使用存储在激光驱动器的第一存储器中的解密密钥对发送的写入策略进行解密的步骤3。版权所有（C）2007，JPO＆INPIT

57. 发明专利

JP3899779B2 Optical recording method 有权
公开(公告)号：JP3899779B2
公开(公告)日：2007-03-28
申请号：JP2000139953
申请日：2000-05-12
申请人：三菱化学メディア株式会社
发明人：奈津子信國 , 通和堀江
IPC分类号： G11B7/0045 , B41M5/26 , G11B7/00 , G11B7/006 , G11B7/125 , G11B7/24 , G11B7/243 , G11B7/26 , G11B11/105
CPC分类号： G11B7/0062 , G11B7/00456 , G11B7/126 , G11B7/243 , G11B7/2534 , G11B7/2585 , G11B11/10506 , G11B11/10528 , G11B11/1053 , G11B11/10595 , G11B2007/24304 , G11B2007/24306 , G11B2007/24308 , G11B2007/2431 , G11B2007/24312 , G11B2007/24314 , G11B2007/24316 , G11B2007/2432

58. 发明专利

JP3885774B2 Optical disk device 有权
标题翻译：空值
公开(公告)号：JP3885774B2
公开(公告)日：2007-02-28
申请号：JP2003191325
申请日：2003-07-03
申请人：船井電機株式会社
发明人：誠司塚田
IPC分类号： G11B7/0045 , G11B7/125
CPC分类号： G11B7/006 , G11B7/00736 , G11B7/126 , G11B20/10 , G11B2020/10898 , G11B2020/1277 , G11B2220/216 , G11B2220/2537

59. 发明专利

JP3858605B2 Optical disc recording apparatus and an optical disc recording medium 有权
标题翻译：空值
公开(公告)号：JP3858605B2
公开(公告)日：2006-12-20
申请号：JP2001035920
申请日：2001-02-13
申请人：ティアック株式会社
发明人：著明真下 , 靖英石森
IPC分类号： G11B7/0045 , G11B7/0055 , G11B7/006 , G11B7/125
CPC分类号： G11B7/126 , G11B7/00454 , G11B7/00557 , G11B7/006

60. 发明专利

JP3839213B2 Recording method and reproducing apparatus of the phase change optical recording medium 有权
标题翻译：空值
公开(公告)号：JP3839213B2
公开(公告)日：2006-11-01
申请号：JP2000030745
申请日：2000-02-08
申请人：株式会社リコー
发明人：有希中村 , 将紀加藤 , 勝幸山田
IPC分类号： G11B7/0045 , G11B7/243 , G11B7/006 , G11B7/125 , G11B20/10
CPC分类号： G11B7/126 , G11B7/006

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式