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1. 发明公开

EP0821825A1 METHOD AND DEVICE FOR RECORDING AN OPTICAL INFORMATION CARRIER 失效
标题翻译：方法和装置可用来记录在光学信息载体
公开(公告)号：EP0821825A1
公开(公告)日：1998-02-04
申请号：EP97901742.0
申请日：1997-02-13
申请人： Philips Electronics N.V.
发明人： JACOBS, Bernardus, Antonius, Johannus , COOMBS, James, Howard , SPRUIT, Johannes, Hendrikus, Maria , DUCHATEAU, Johan, Philippe, William, Beatrice , ZHOU, Guofu, F.
IPC分类号： G11B7 , G11B20
CPC分类号： G11B20/08 , G11B7/00454 , G11B7/00557 , G11B7/0062 , G11B20/1258
摘要： A method is described for recording an optical information carrier, in which marks representing recorded data are written at different writing speeds by radiation pulses of equal length and power, independent of the writing speed. The number of pulses per unit length of the written mark is a constant independent of the writing speed.

4. 发明授权

EP0025885B1 Magnetic recording system 失效
标题翻译：磁记录系统
公开(公告)号：EP0025885B1
公开(公告)日：1984-05-16
申请号：EP80105007.1
申请日：1980-08-22
申请人： KABUSHIKI KAISHA TOSHIBA
发明人： Fujiwara, Tatsuo
IPC分类号： G11B20/08 , G11B5/02 , G11B5/70 , G11B5/127
CPC分类号： G11B5/66 , G11B5/1278 , G11B5/70 , G11B20/08

5. 发明授权

EP0886855B1 A METHOD FOR RECORDING AND PLAYING BACK INFORMATION ON MAGNETIC STRIPS AND RELATED READING/RECORDING APPARATUS 失效
标题翻译：信息记录和再现ON /磁条及有关设备
公开(公告)号：EP0886855B1
公开(公告)日：2000-04-19
申请号：EP96937237.4
申请日：1996-10-25
申请人： Zanetti, Giancarlo
发明人： Zanetti, Giancarlo
IPC分类号： G11B5/00 , G11B5/02 , G11B20/08
CPC分类号： G11B20/0021 , G11B5/00 , G11B5/00808 , G11B5/02 , G11B20/00086 , G11B20/08
摘要： A method for recording and playing back an audio and/or video signal (and associated recording and playback apparatus, comprises: A) converting an audio and/or video signal into a first series of samples, achieved by sampling at a predetermined frequency and writing to a read/write memory (46), B) forming, by the later reading of the samples from memory at a frequency that is different from that of writing and is possibly variable, a recording on a magnetic strip (43) associated with a succession of timing marks (34) which identify recording blocks and a predetermined time T for playback of each block, C) obtaining, by reading the recording and the associated succession of timing marks, a second series of samples which are written to the memory in order, and a timing signal, D) applying the second series of samples read from the memory in an order correlated with that of writing, through a filter, to a transducer, the sampling frequency of the recording or reading of the samples from memory, which varies over time, being determined by the timing signal, in such a way that each recording block is played back in the time T.

6. 发明公开

EP0886855A1 A METHOD FOR RECORDING AND PLAYING BACK INFORMATION ON MAGNETIC STRIPS AND RELATED READING/RECORDING APPARATUS 失效
标题翻译：信息记录和再现ON /磁条及有关设备
公开(公告)号：EP0886855A1
公开(公告)日：1998-12-30
申请号：EP96937237
申请日：1996-10-25
申请人： ZANETTI GIANCARLO
发明人： ZANETTI GIANCARLO
IPC分类号： G11B5/80 , G06K11/00 , G11B5/00 , G11B5/008 , G11B5/02 , G11B20/00 , G11B20/08
CPC分类号： G11B20/0021 , G11B5/00 , G11B5/00808 , G11B5/02 , G11B20/00086 , G11B20/08
摘要： A method for recording and playing back an audio and/or video signal (and associated recording and playback apparatus, comprises: A) converting an audio and/or video signal into a first series of samples, achieved by sampling at a predetermined frequency and writing to a read/write memory (46), B) forming, by the later reading of the samples from memory at a frequency that is different from that of writing and is possibly variable, a recording on a magnetic strip (43) associated with a succession of timing marks (34) which identify recording blocks and a predetermined time T for playback of each block, C) obtaining, by reading the recording and the associated succession of timing marks, a second series of samples which are written to the memory in order, and a timing signal, D) applying the second series of samples read from the memory in an order correlated with that of writing, through a filter, to a transducer, the sampling frequency of the recording or reading of the samples from memory, which varies over time, being determined by the timing signal, in such a way that each recording block is played back in the time T.

7. 发明公开

EP0025885A1 Magnetic recording system 失效
标题翻译：磁性记录系统。
公开(公告)号：EP0025885A1
公开(公告)日：1981-04-01
申请号：EP80105007.1
申请日：1980-08-22
申请人： KABUSHIKI KAISHA TOSHIBA
发明人： Fujiwara, Tatsuo
IPC分类号： G11B20/08 , G11B5/02 , G11B5/70 , G11B5/127
CPC分类号： G11B5/66 , G11B5/1278 , G11B5/70 , G11B20/08
摘要： A carrier wave at a frequency higher than the frequency of an input signal to be recorded is pulse width modulated with the input signal at the pulse width modulator (2), and the modulated signal thus obtained is supplied to a vertical magnetization recording head (4). The vertical magnetization recording head (4) is held in contact with a magnetic tape (5) having a rectangular hysteresis characteristic, and the modulated signal is recorded by vertical magnetization recording on the magnetic tape (5). The signal recorded by the vertical magnetization recording is reproduced with a reproducing head (6) having a high sensitivity reproducing characteristic with respect to the input signal component of the pulse width modulation signal recorded on the recording medium (5b) and a low sensitivity characteristic with respect to the carrier wave component of the modulation signal.

8. 发明公开

EP0013070A1 Video record systems 失效
标题翻译：视频Aufzeichnungssysteme。
公开(公告)号：EP0013070A1
公开(公告)日：1980-07-09
申请号：EP79302406.8
申请日：1979-11-01
申请人： DISCOVISION ASSOCIATES
发明人： Bailey, Jack Henry , Ottaway, Gerald Howard
IPC分类号： H04N5/76 , G11B5/06
CPC分类号： G11B20/08 , H04N5/92 , H04N5/926
摘要： A video record system includes a record disk 12 and a read/write head 19. A signal to be recorded is received on line 15 and processed by a converter 26 before being passed to the read/write head 19. A signal read from the disk 12 by the read/write head 19 is passed through a converter 30 and a digital signal processor 32 to a television 14.
In this video record system the length of a mark along a record track 20 on the disk 12 represents a four bit binary storage code block and the player/recorder system operates in eight-bit system code blocks. Thus, two marks on the disk represent a single system code block. The bits of the system code block are assigned to bit positions of the storage code blocks in such a way that there is a reduction in the effect in the associated system of errors in initially writing or subsequently reading a mark. The increments of mark length are also made non-constant to reduce the effect in the associated system of errors in mark length.
摘要翻译：视频记录系统包括记录盘12和读/写头19.要被记录的信号在线路15被接收，并且在转换到读/写头19之前被转换器26处理。从盘12读取的信号读/写头19通过转换器30和数字信号处理器32到电视机14。在该视频记录系统中，沿着盘12上的记录轨道20的标记的长度表示一个四位二进制存储代码块，播放器/记录器系统在八位系统代码块中运行。因此，磁盘上的两个标记表示单个系统代码块。将系统代码块的位分配给存储代码块的位位置，使得在初始写入或随后读取标记时相关系统中的影响减小。标记长度的增量也变得不恒定，以减少相关系统中标记长度误差的影响。

9. 发明公开

EP1467351A1 Optical information recording medium and method for recording/reproducing optical information 有权
标题翻译：一种光记录介质，其生产和方法和设备，用于记录或从该介质读出方法
公开(公告)号：EP1467351A1
公开(公告)日：2004-10-13
申请号：EP04014398.4
申请日：2001-09-28
申请人： Ricoh Company Ltd.
发明人： Yamada, Katsuyuki c/o Ricoh Company, Ltd. , Narumi, Shinya c/o Ricoh Company, Ltd. , Harigaya, Makoto c/o Ricoh Company, Ltd. , Tani, Katsuhiko c/o Ricoh Company, Ltd. , Iwata, Noriyuki c/o Ricoh Company, Ltd. , Onagi, Nobuaki c/o Ricoh Company, Ltd. , Ito, Kazunori c/o Ricoh Company, Ltd. , Shibaguchi, Takashi c/o Ricoh Company, Ltd. , Hibino, Eiko c/o Ricoh Company, Ltd. , Yuzurihara, Hajime c/o Ricoh Company, Ltd. , Ohkura, Hiroko c/o Ricoh Company, Ltd. , Shimofuku, Akira c/o Ricoh Company, Ltd. , Nakamura, Yuki c/o Ricoh Company, Ltd.
IPC分类号： G11B7/00 , G11B7/007 , G11B7/24 , G11B7/26 , G11B20/08
CPC分类号： G11B19/26 , G11B7/00454 , G11B7/0052 , G11B7/006 , G11B7/0062 , G11B7/007 , G11B7/126 , G11B7/24 , G11B7/243 , G11B7/257 , G11B7/26 , G11B19/12 , G11B20/08 , G11B20/10 , G11B2007/24314 , G11B2007/24316 , Y10S430/146
摘要： An optical information recording medium comprising:

a disk-shaped substrate; and
at least a phase change type recording layer stacked on said substrate, wherein said phase change type recording layer is made from material which includes Ge, Ga, Sb and Te, and when α, β, γ and δ represent atomic percentages of Ge, Ga, Sb and Te, and α + β + γ + δ = 100, then α, β, γ and δ satisfy the relations 0.1 ≤ α ≤ 7, 1 ≤ β ≤ 9, 61 ≤ γ ≤ 75, 22 ≤ δ ≤ 30.
摘要翻译：一种光信息记录介质，包括：一个圆盘状基板; 和至少层叠在所述基板，worin所述相变型记录层的相变型记录层从材料包括锗，镓，Sb和Te，并且由当α，β，γ和δ表示的Ge原子百分比，镓，Sb和Te，并且α+β+伽马+，δ= 100，那么α，β，γ和δ满足关系 0.1≤阿尔法≤7 1次≤测试≤9， 61≤伽马≤75， 22≤增量≤30

10. 发明公开

EP1193696A3 Optical information recording medium, method of manufacturing the optical information recording medium, and method of and apparatus for recording/reproducing optical information 有权
标题翻译：一种光记录介质，其生产和方法和设备，用于记录或从该介质读出方法
公开(公告)号：EP1193696A3
公开(公告)日：2003-07-16
申请号：EP01123474.7
申请日：2001-09-28
申请人： Ricoh Company Ltd.
发明人： Yamada, Katsuyuki , Narumi, Shinya , Harigaya, Makoto , Tani, Katsuhiko , Iwata, Noriyuki , Onagi, Nobuaki , Ito, Kazunori , Shibaguchi, Takashi , Hibino, Eiko , Yuzurihara, Hajime , Ohkura, Hiroko , Shimofuku, Akira , Nakamura, Yuki
IPC分类号： G11B7/00 , G11B7/007 , G11B7/24 , G11B7/26 , G11B20/08
CPC分类号： G11B19/26 , G11B7/00454 , G11B7/0052 , G11B7/006 , G11B7/0062 , G11B7/007 , G11B7/126 , G11B7/24 , G11B7/243 , G11B7/257 , G11B7/26 , G11B19/12 , G11B20/08 , G11B20/10 , G11B2007/24314 , G11B2007/24316 , Y10S430/146
摘要： An optical information recording medium comprising a substrate having concentric circular guide groove stores information that indicates a maximum recording linear velocity Vh. A phase change type SbTe recording layer is formed on the substrate having such a composition and thickness that a dislocation linear velocity V satisfies the relation V ≥ Vh x 0.85 in particular for a pulse modulation recording method.

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