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1. 发明申请

US20080123489A1 METHOD AND APPARATUS FOR RECORDING DATA ON OPTICAL RECORDING MEDIUM 有权
标题翻译：用于记录光记录介质数据的方法和装置
公开(公告)号：US20080123489A1
公开(公告)日：2008-05-29
申请号：US11933026
申请日：2007-10-31
申请人： Yong-jin Ahn , In-sik Park , Kyung-geun Lee , Chang-Jin Yang , Tatsuhiro Otsuka , Seong-sue Kim , Jung-wan Ko , Du-seop Yoon
发明人： Yong-jin Ahn , In-sik Park , Kyung-geun Lee , Chang-Jin Yang , Tatsuhiro Otsuka , Seong-sue Kim , Jung-wan Ko , Du-seop Yoon
IPC分类号： G11B5/00
CPC分类号： G11B7/00456 , G11B7/00454 , G11B7/00557
摘要： A method and apparatus to record data on an optical recording medium include generating a recording waveform having an erase pattern comprising a predetermined pulse having a high level which is higher than an erase power level and having a low level which is lower than the erase power level.
摘要翻译：一种在光学记录介质上记录数据的方法和装置包括：生成具有擦除图案的记录波形，该擦除图案包括具有高于擦除功率电平并且具有低于擦除功率电平的低电平的高电平的预定脉冲。

2. 发明申请

US20110286317A1 ADAPTIVE WRITING METHOD FOR HIGH-DENSITY OPTICAL RECORDING APPARATUS AND CIRCUIT THEREOF 有权
标题翻译：适用于高密度光记录装置及其电路的自适应写入方法
公开(公告)号：US20110286317A1
公开(公告)日：2011-11-24
申请号：US13107404
申请日：2011-05-13
申请人： Jin-gyo Seo , Seong-sin Joo , Du-seop Yoon , Myung-do Roh , Yong-jin Ahn , Seoung-soo KIM , Kyung-geun Lee , Myeong-ho Cho , Chang-Jin Yang , Jong-kyu Kim , Sung-ro Ko , Tatsuhiro Ohtsuka
发明人： Jin-gyo Seo , Seong-sin Joo , Du-seop Yoon , Myung-do Roh , Yong-jin Ahn , Seoung-soo KIM , Kyung-geun Lee , Myeong-ho Cho , Chang-Jin Yang , Jong-kyu Kim , Sung-ro Ko , Tatsuhiro Ohtsuka
IPC分类号： G11B7/0045
CPC分类号： G11B7/00456 , G11B7/0062 , G11B7/00718 , G11B7/126 , G11B7/1267 , G11B20/10009
摘要： An apparatus configured to write input data on an optical recording medium using a write pulse waveform including a first pulse, a last pulse and a multi-pulse train is provided. The apparatus includes a discriminator configured to discriminate a magnitude of a present mark, a magnitude of a leading space, and a magnitude of a trailing space from the input data, a write waveform controller configured to control the write pulse waveform based on a grouping table, the grouping table being configured to store rising edge data of the first pulse of the write pulse waveform grouped in corresponding pulse groups according to magnitudes of a plurality of present marks and magnitudes of a plurality of spaces adjacent to the plurality of present marks, the write pulse waveform being controlled to generate an adaptive write pulse waveform by varying a position of a rising edge of a first pulse of the mark to be written according to at least the magnitudes of the present mark and the leading space, and a processor configured to process the input data on the optical recording medium using the adaptive write pulse waveform. The discriminator is further configured to apply the magnitude of the present mark, the magnitude of the leading space, and the magnitude of the trailing space to the write waveform controller. The width of the first pulse is varied by varying the position of the rising edge.
摘要翻译：提供一种被配置为使用包括第一脉冲，最后脉冲和多脉冲串的写入脉冲波形在光学记录介质上写入输入数据的装置。该装置包括：鉴别器，被配置为从输入数据中鉴别当前标记的大小，前导空间的大小和尾随空间的大小;写入波形控制器，被配置为基于分组表来控制写入脉冲波形所述分组表被配置为根据与所述多个当前标记相邻的多个当前标记和多个空间的幅度的大小来存储分组在相应的脉冲组中的写入脉冲波形的第一脉冲的上升沿数据，写入脉冲波形被控制以通过至少根据当前标记和前导空间的大小改变要写入的标记的第一脉冲的上升沿的位置来产生自适应写入脉冲波形，并且处理器被配置为使用自适应写入脉冲波形处理光学记录介质上的输入数据。鉴别器进一步被配置为将当前标记的幅度，前导空间的幅度和尾部空间的大小应用于写入波形控制器。通过改变上升沿的位置来改变第一脉冲的宽度。

3. 发明申请

US20110286316A1 ADAPTIVE WRITING METHOD FOR HIGH-DENSITY OPTICAL RECORDING APPARATUS AND CIRCUIT THEREOF 有权
标题翻译：适用于高密度光记录装置及其电路的自适应写入方法
公开(公告)号：US20110286316A1
公开(公告)日：2011-11-24
申请号：US13107333
申请日：2011-05-13
申请人： Jin-gyo Seo , Seong-sin Joo , Du-seop Yoon , Myung-do Roh , Yong-jin Ahn , Seoung-soo KIM , Kyung-geun Lee , Myeong-ho Cho , Chang-Jin Yang , Jong-kyu Kim , Sung-ro Ko , Tatsuhiro Ohtsuka
发明人： Jin-gyo Seo , Seong-sin Joo , Du-seop Yoon , Myung-do Roh , Yong-jin Ahn , Seoung-soo KIM , Kyung-geun Lee , Myeong-ho Cho , Chang-Jin Yang , Jong-kyu Kim , Sung-ro Ko , Tatsuhiro Ohtsuka
IPC分类号： G11B20/10
CPC分类号： G11B7/00456 , G11B7/0062 , G11B7/00718 , G11B7/126 , G11B7/1267 , G11B20/10009
摘要： An apparatus configured to write input data on an optical recording medium using a write pulse waveform, the write pulse waveform including a first pulse, a last pulse and a multi-pulse train, is provided. The apparatus includes a discriminator configured to discriminate a magnitude of a present mark and a magnitude of a leading space from the input data, a write waveform controller configured to control the write pulse waveform to generate an adaptive write pulse waveform by varying a position of a rising edge of a first pulse of the present mark to be written according to the magnitude of the present mark and the magnitude of the leading space, and use a grouping table to control the write pulse waveform to generate the adaptive write pulse waveform, the grouping table being configured to store rising edge data of the first pulse of the write pulse waveform varying according to corresponding stored values of magnitudes of present marks and magnitudes of leading spaces, and a processor configured to process the input data on the optical recording medium using the adaptive write pulse waveform. The discriminator is further configured to apply the magnitude of the present mark and the magnitude of the leading space to the write waveform controller. The adaptive write pulse waveform is generated without regard for a trailing space of the present mark being written using the adaptive write pulse waveform. A width of the first pulse is varied by varying the position of the rising edge.
摘要翻译：一种被配置为使用写入脉冲波形将输入数据写入光学记录介质的装置，提供包括第一脉冲，最后脉冲和多脉冲串的写入脉冲波形。该装置包括：鉴别器，被配置为鉴别当前标记的大小和前导空间的幅度与输入数据;写入波形控制器，被配置为通过改变位置来控制写入脉冲波形以产生自适应写入脉冲波形根据当前标记的大小和前导空间的大小对当前标记的第一脉冲的上升沿进行写入，并使用分组表来控制写入脉冲波形以生成自适应写入脉冲波形，分组表被配置为存储写入脉冲波形的第一脉冲的上升沿数据，该上升沿数据根据当前标记的大小和引导空间的幅度的相应存储值而变化，以及处理器，被配置为使用该记录介质处理光学记录介质上的输入数据自适应写入脉冲波形。鉴别器还被配置为将当前标记的大小和前导空间的大小应用于写入波形控制器。产生自适应写入脉冲波形，而不考虑使用自适应写入脉冲波形写入当前标记的拖尾空间。通过改变上升沿的位置来改变第一脉冲的宽度。

4. 发明授权

US08315145B2 Adaptive writing method for high-density optical recording apparatus and circuit thereof 有权
标题翻译：高密度光记录装置的自适应写入方法及其电路
公开(公告)号：US08315145B2
公开(公告)日：2012-11-20
申请号：US13107147
申请日：2011-05-13
申请人： Jin-gyo Seo , Seong-sin Joo , Du-seop Yoon , Myung-do Roh , Yong-jin Ahn , Seoung-soo Kim , Kyung-geun Lee , Myeong-ho Cho , Chang-Jin Yang , Jong-kyu Kim , Sung-ro Ko , Tatsuhiro Ohtsuka
发明人： Jin-gyo Seo , Seong-sin Joo , Du-seop Yoon , Myung-do Roh , Yong-jin Ahn , Seoung-soo Kim , Kyung-geun Lee , Myeong-ho Cho , Chang-Jin Yang , Jong-kyu Kim , Sung-ro Ko , Tatsuhiro Ohtsuka
IPC分类号： G11B7/00 , G11B7/24
CPC分类号： G11B7/00456 , G11B7/0062 , G11B7/00718 , G11B7/126 , G11B7/1267 , G11B20/10009
摘要： An optical recording medium is provided, the optical recording medium including a plurality of zones configured to store data corresponding to an adaptive write pulse, the adaptive write pulse including a first pulse, a last pulse, and a multi-pulse train, the adaptive write pulse being different for each of the plurality of zones, the plurality of zones being reflected by a grouping table, the grouping table being configured to generate an adaptive write pulse waveform by varying a position of a rising edge of a first pulse of a mark to be written according to a length of the mark to be written and a leading space, the adaptive write pulse waveform being generated without regard for a trailing space of a present mark being written using the adaptive write pulse waveform, the adaptive write pulse being configured to correspond to the adaptive write pulse waveform, and store rising edge data of the first pulse of the adaptive write pulse waveform varying according to corresponding stored values of lengths of marks to be written. A width of the first pulse is varied by varying the position of the rising edge.
摘要翻译：提供了一种光记录介质，所述光记录介质包括配置为存储对应于自适应写入脉冲的数据的多个区域，所述自适应写入脉冲包括第一脉冲，最后脉冲和多脉冲串，所述自适应写入所述多个区域由分组表反射，所述分组表经配置以通过将标记的第一脉冲的上升沿的位置改变为根据要写入的标记的长度和前导空间来写入，自适应写脉冲波形在不考虑使用自适应写入脉冲波形写入的当前标记的尾部空间的情况下产生，自适应写入脉冲被配置为对应于自适应写入脉冲波形，并且存储自适应写入脉冲波形的第一脉冲的上升沿数据根据相应的存储而变化要写入的标记长度的d值。通过改变上升沿的位置来改变第一脉冲的宽度。

5. 发明授权

US08305857B2 Adaptive writing method for high-density optical recording apparatus and circuit thereof 有权
标题翻译：高密度光记录装置的自适应写入方法及其电路
公开(公告)号：US08305857B2
公开(公告)日：2012-11-06
申请号：US13107333
申请日：2011-05-13
申请人： Jin-gyo Seo , Seong-sin Joo , Du-seop Yoon , Myung-do Roh , Yong-jin Ahn , Seoung-soo Kim , Kyung-geun Lee , Myeong-ho Cho , Chang-Jin Yang , Jong-kyu Kim , Sung-ro Ko , Tatsuhiro Ohtsuka
发明人： Jin-gyo Seo , Seong-sin Joo , Du-seop Yoon , Myung-do Roh , Yong-jin Ahn , Seoung-soo Kim , Kyung-geun Lee , Myeong-ho Cho , Chang-Jin Yang , Jong-kyu Kim , Sung-ro Ko , Tatsuhiro Ohtsuka
IPC分类号： G11B7/00
CPC分类号： G11B7/00456 , G11B7/0062 , G11B7/00718 , G11B7/126 , G11B7/1267 , G11B20/10009
摘要： An apparatus configured to write input data on an optical recording medium using a write pulse waveform, the write pulse waveform including a first pulse, a last pulse and a multi-pulse train, is provided. The apparatus includes a discriminator configured to discriminate a magnitude of a present mark and a magnitude of a leading space from the input data, a write waveform controller configured to control the write pulse waveform to generate an adaptive write pulse waveform by varying a position of a rising edge of a first pulse of the present mark to be written according to the magnitude of the present mark and the magnitude of the leading space, and use a grouping table to control the write pulse waveform to generate the adaptive write pulse waveform, the grouping table being configured to store rising edge data of the first pulse of the write pulse waveform varying according to corresponding stored values of magnitudes of present marks and magnitudes of leading spaces, and a processor configured to process the input data on the optical recording medium using the adaptive write pulse waveform. The discriminator is further configured to apply the magnitude of the present mark and the magnitude of the leading space to the write waveform controller. The adaptive write pulse waveform is generated without regard for a trailing space of the present mark being written using the adaptive write pulse waveform. A width of the first pulse is varied by varying the position of the rising edge.
摘要翻译：一种被配置为使用写入脉冲波形将输入数据写入光学记录介质的装置，提供包括第一脉冲，最后脉冲和多脉冲串的写入脉冲波形。该装置包括：鉴别器，被配置为鉴别当前标记的大小和前导空间的幅度与输入数据;写入波形控制器，被配置为通过改变位置来控制写入脉冲波形以产生自适应写入脉冲波形根据当前标记的大小和前导空间的大小对当前标记的第一脉冲的上升沿进行写入，并使用分组表来控制写入脉冲波形以生成自适应写入脉冲波形，分组表被配置为存储写入脉冲波形的第一脉冲的上升沿数据，该上升沿数据根据当前标记的大小和引导空间的幅度的相应存储值而变化，以及处理器，被配置为使用该记录介质处理光学记录介质上的输入数据自适应写入脉冲波形。鉴别器还被配置为将当前标记的大小和前导空间的大小应用于写入波形控制器。产生自适应写入脉冲波形，而不考虑使用自适应写入脉冲波形写入当前标记的拖尾空间。通过改变上升沿的位置来改变第一脉冲的宽度。

6. 发明授权

US08315138B2 Adaptive writing method for high-density optical recording apparatus and circuit thereof 有权
标题翻译：高密度光记录装置的自适应写入方法及其电路
公开(公告)号：US08315138B2
公开(公告)日：2012-11-20
申请号：US13107404
申请日：2011-05-13
申请人： Jin-gyo Seo , Seong-sin Joo , Du-seop Yoon , Myung-do Roh , Yong-jin Ahn , Seoung-soo Kim , Kyung-geun Lee , Myeong-ho Cho , Chang-Jin Yang , Jong-kyu Kim , Sung-ro Ko , Tatsuhiro Ohtsuka
发明人： Jin-gyo Seo , Seong-sin Joo , Du-seop Yoon , Myung-do Roh , Yong-jin Ahn , Seoung-soo Kim , Kyung-geun Lee , Myeong-ho Cho , Chang-Jin Yang , Jong-kyu Kim , Sung-ro Ko , Tatsuhiro Ohtsuka
IPC分类号： G11B7/00
CPC分类号： G11B7/00456 , G11B7/0062 , G11B7/00718 , G11B7/126 , G11B7/1267 , G11B20/10009
摘要： An apparatus configured to write input data on an optical recording medium using a write pulse waveform including a first pulse, a last pulse and a multi-pulse train is provided. The apparatus includes a discriminator configured to discriminate a magnitude of a present mark, a magnitude of a leading space, and a magnitude of a trailing space from the input data, a write waveform controller configured to control the write pulse waveform based on a grouping table, the grouping table being configured to store rising edge data of the first pulse of the write pulse waveform grouped in corresponding pulse groups according to magnitudes of a plurality of present marks and magnitudes of a plurality of spaces adjacent to the plurality of present marks, the write pulse waveform being controlled to generate an adaptive write pulse waveform by varying a position of a rising edge of a first pulse of the mark to be written according to at least the magnitudes of the present mark and the leading space, and a processor configured to process the input data on the optical recording medium using the adaptive write pulse waveform. The discriminator is further configured to apply the magnitude of the present mark, the magnitude of the leading space, and the magnitude of the trailing space to the write waveform controller. The width of the first pulse is varied by varying the position of the rising edge.
摘要翻译：提供一种被配置为使用包括第一脉冲，最后脉冲和多脉冲串的写入脉冲波形在光学记录介质上写入输入数据的装置。该装置包括：鉴别器，被配置为从输入数据中鉴别当前标记的大小，前导空间的大小和尾随空间的大小;写入波形控制器，被配置为基于分组表来控制写入脉冲波形所述分组表被配置为根据与所述多个当前标记相邻的多个当前标记和多个空间的幅度的大小来存储分组在相应的脉冲组中的写入脉冲波形的第一脉冲的上升沿数据，写入脉冲波形被控制以通过至少根据当前标记和前导空间的大小改变要写入的标记的第一脉冲的上升沿的位置来产生自适应写入脉冲波形，并且处理器被配置为使用自适应写入脉冲波形处理光学记录介质上的输入数据。鉴别器进一步被配置为将当前标记的幅度，前导空间的幅度和尾部空间的大小应用于写入波形控制器。通过改变上升沿的位置来改变第一脉冲的宽度。

7. 发明申请

US20110286318A1 ADAPTIVE WRITING METHOD FOR HIGH-DENSITY OPTICAL RECORDING APPARATUS AND CIRCUIT THEREOF 有权
标题翻译：适用于高密度光记录装置及其电路的自适应写入方法
公开(公告)号：US20110286318A1
公开(公告)日：2011-11-24
申请号：US13107240
申请日：2011-05-13
申请人： Jin-gyo Seo , Seong-sin Joo , Du-seop Yoon , Myung-do Roh , Yong-jin Ahn , Seoung-soo KIM , Kyung-geun Lee , Myeong-ho Cho , Chang-Jin Yang , Jong-kyu Kim , Sung-ro Ko , Tatsuhiro Ohtsuka
发明人： Jin-gyo Seo , Seong-sin Joo , Du-seop Yoon , Myung-do Roh , Yong-jin Ahn , Seoung-soo KIM , Kyung-geun Lee , Myeong-ho Cho , Chang-Jin Yang , Jong-kyu Kim , Sung-ro Ko , Tatsuhiro Ohtsuka
IPC分类号： G11B20/10
CPC分类号： G11B7/00456 , G11B7/0062 , G11B7/00718 , G11B7/126 , G11B7/1267 , G11B20/10009
摘要： An optical recording medium is provided, the optical recording medium including a plurality of zones respectively corresponding to width data of first and/or last pulses of an adaptive write pulse waveform stored in a grouping table, the grouping table being configured to group a magnitude of a present mark of input data and magnitudes of leading and/or trailing spaces of the present mark into a short pulse group, a middle pulse group, and a long pulse group using grouping pointers, store data configured to calculate a width of a write pulse, an adaptive write pulse being generated in response to the calculated width, generate the adaptive write pulse waveform by varying a position of a rising edge of a first pulse of a mark to be written according to the magnitudes of the present mark and the leading space, the adaptive write pulse waveform being generated without regard for the trailing space of the present mark being written using the adaptive write pulse waveform, the adaptive write pulse being configured to correspond to the adaptive write pulse waveform, and store rising edge data of the first pulse of the adaptive write pulse waveform varying according to corresponding stored values of lengths of marks to be written. A width of the first pulse is varied by varying the position of the rising edge.
摘要翻译：提供一种光学记录介质，所述光学记录介质包括分别对应于存储在分组表中的自适应写脉冲波形的第一和/或最后脉冲的宽度数据的多个区域，所述分组表被配置为将使用分组指针将当前标记的输入数据和前导和/或尾随空格的大小的当前标记写入短脉冲组，中脉冲组和长脉冲组，存储被配置为计算写脉冲宽度的数据响应于所计算出的宽度产生自适应写入脉冲，通过根据当前标记和前导空间的大小改变要写入的标记的第一脉冲的上升沿的位置来产生自适应写脉冲波形自适应写入脉冲波形在不考虑使用自适应写入脉冲波形写入的当前标记的尾部空间的情况下产生，自适应写入 e脉冲被配置为对应于自适应写入脉冲波形，并且存储自适应写脉冲波形的第一脉冲的上升沿数据根据相应的待写入标记长度的存储值而变化。通过改变上升沿的位置来改变第一脉冲的宽度。

8. 发明授权

US08315146B2 Adaptive writing method for high-density optical recording apparatus and circuit thereof 有权
标题翻译：高密度光记录装置的自适应写入方法及其电路
公开(公告)号：US08315146B2
公开(公告)日：2012-11-20
申请号：US13107240
申请日：2011-05-13
申请人： Jin-gyo Seo , Seong-sin Joo , Du-seop Yoon , Myung-do Roh , Yong-jin Ahn , Seoung-soo Kim , Kyung-geun Lee , Myeong-ho Cho , Chang-Jin Yang , Jong-kyu Kim , Sung-ro Ko , Tatsuhiro Ohtsuka
发明人： Jin-gyo Seo , Seong-sin Joo , Du-seop Yoon , Myung-do Roh , Yong-jin Ahn , Seoung-soo Kim , Kyung-geun Lee , Myeong-ho Cho , Chang-Jin Yang , Jong-kyu Kim , Sung-ro Ko , Tatsuhiro Ohtsuka
IPC分类号： G11B7/24 , G11B7/00
CPC分类号： G11B7/00456 , G11B7/0062 , G11B7/00718 , G11B7/126 , G11B7/1267 , G11B20/10009
摘要： An optical recording medium is provided, the optical recording medium including a plurality of zones respectively corresponding to width data of first and/or last pulses of an adaptive write pulse waveform stored in a grouping table, the grouping table being configured to group a magnitude of a present mark of input data and magnitudes of leading and/or trailing spaces of the present mark into a short pulse group, a middle pulse group, and a long pulse group using grouping pointers, store data configured to calculate a width of a write pulse, an adaptive write pulse being generated in response to the calculated width, generate the adaptive write pulse waveform by varying a position of a rising edge of a first pulse of a mark to be written according to the magnitudes of the present mark and the leading space, the adaptive write pulse waveform being generated without regard for the trailing space of the present mark being written using the adaptive write pulse waveform, the adaptive write pulse being configured to correspond to the adaptive write pulse waveform, and store rising edge data of the first pulse of the adaptive write pulse waveform varying according to corresponding stored values of lengths of marks to be written. A width of the first pulse is varied by varying the position of the rising edge.
摘要翻译：提供一种光学记录介质，所述光学记录介质包括分别对应于存储在分组表中的自适应写脉冲波形的第一和/或最后脉冲的宽度数据的多个区域，所述分组表被配置为将使用分组指针将当前标记的输入数据和前导和/或尾部空格的大小的当前标记写入短脉冲组，中脉冲组和长脉冲组，存储被配置为计算写脉冲宽度的数据响应于所计算出的宽度产生自适应写入脉冲，通过根据当前标记和前导空间的大小改变要写入的标记的第一脉冲的上升沿的位置来产生自适应写脉冲波形自适应写入脉冲波形在不考虑使用自适应写入脉冲波形写入的当前标记的尾部空间的情况下产生，自适应写入 e脉冲被配置为对应于自适应写入脉冲波形，并且存储自适应写脉冲波形的第一脉冲的上升沿数据根据相应的待写入标记长度的存储值而变化。通过改变上升沿的位置来改变第一脉冲的宽度。

9. 发明申请

US20060200896A1 Ventilation check valve for bathrooms and toilets 审中-公开
标题翻译：浴室和厕所通风止回阀
公开(公告)号：US20060200896A1
公开(公告)日：2006-09-14
申请号：US11078420
申请日：2005-03-14
申请人： Chang-Jin Yang
发明人： Chang-Jin Yang
IPC分类号： E03D9/04
CPC分类号： F24F13/10 , E03D9/04
摘要： A check valve for bathrooms and toilets to improve air ventilation and prevent insects and viruses from entering the bathrooms and toilets includes an elbow duct which has an inlet end on one side communicating with a ventilation vent, and a cylinder extended outwards from the inlet end to couple with a padding on the inner rim. There is an outlet end on other end of the elbow duct positioned in a diagonal and upper manner relative to the cylinder. The elbow duct has an inclined side on the bottom. The inclined side has an upper end bent to form a conical cavity. The elbow duct houses a ball which may roll automatically on the inclined side to close the ventilation vent. When air is dispelled through the ventilation vent, airflow pushes the ball to the conical cavity to form a passage in the elbow duct.
摘要翻译：用于改善空气通风并防止昆虫和病毒进入浴室和厕所的卫生间和卫生间的止回阀包括肘管，其一侧的入口端与通风口连通，以及从入口端向外延伸的气缸与内边缘的填充物相连。肘管另一端有出口端，相对于气缸以对角和上方定位。肘管在底部有一个倾斜的一侧。倾斜侧具有弯曲的上端以形成锥形腔。肘管装有一个可以在倾斜侧自动滚动以关闭通风口的球。当空气通过通风口排出时，气流将球推到锥形腔，以在肘管中形成通道。

10. 发明授权

US06400658B1 DVD-RAM disk reproduction apparatus for reducing errors during detection of identification data 有权
标题翻译：用于在识别数据检测期间减少误差的DVD-RAM盘再现装置
公开(公告)号：US06400658B1
公开(公告)日：2002-06-04
申请号：US09275814
申请日：1999-03-25
申请人： Chang-Jin Yang , Pyong-Yong Seong , Seong-Sin Joo , Soo-Yul Jung , Jung-Eon Seo , Yong-Jae Lee , Jang-Hoon Yoo , Tae-Kyung Kim
发明人： Chang-Jin Yang , Pyong-Yong Seong , Seong-Sin Joo , Soo-Yul Jung , Jung-Eon Seo , Yong-Jae Lee , Jang-Hoon Yoo , Tae-Kyung Kim
IPC分类号： G11B17221
CPC分类号： G11B27/24 , G11B7/005 , G11B7/00718 , G11B7/00745 , G11B19/04 , G11B20/18 , G11B27/3027 , G11B2220/216 , G11B2220/2575
摘要： A DVD-RAM disk reproduction apparatus for reducing an error during detection of ID data, which includes a first operational amplifier for obtaining a sum signal resulting from the addition of four picked-up signals picked up by divided-by-four photodiodes from a DVD-RAM disk having a header region and a recording region, second and third operational amplifiers for respectively obtaining two sum signals corresponding to the upper and lower regions of the header region resulting from the addition of the first and second picked-up signals and the third and fourth picked-up signals, respectively, a fourth operational amplifier for obtaining a difference signal between the two sum signals, a header region detector for detecting upper and lower header region signals corresponding to the upper header region and the lower header region based on the difference signal, and detecting a header region signal corresponding to a header region by logically summing the two detected signals, a first multiplexer for selecting one of the two sum signals obtained by the second and third operational amplifiers according to the upper header region signal, and a second multiplexer for selecting the sum signal selected by the first operational amplifier and the sum signal selected by the first multiplexer according to the header region signal, to thereby output the selected result to an equalizer. Thus, during detection of ID data in a header region, a difference signal between the picked-up four signals is not used, but a signal resulting from the addition of two signals among the picked-up signals according to the corresponding upper and lower regions of the header region is selectively used. Accordingly, ID data can be detected from a signal without deterioration, to thereby reduce an error and thus improve a detection margin.
摘要翻译：一种用于在ID数据检测期间减少误差的DVD-RAM盘再现装置，其包括第一运算放大器，用于获得由DVD的四分之一光电二极管拾取的四个拾取信号的相加而得到的和信号 -RAM盘，具有标题区域和记录区域，第二和第三运算放大器，用于分别获得对应于由所述第一和第二拾取信号的相加产生的标题区域的上部和下部区域的两个和信号，以及第三个和第四拾取信号，分别用于获得两个和信号之间的差分信号的第四运算放大器，用于检测对应于上标题区域和下标题区域的上标题区域信号和下标头区域信号的标题区域检测器，差分信号，并且通过对两个检测到的信号进行逻辑求和来检测与标题区域相对应的标题区域信号，第一个mul 层叠器，用于根据上标头区域信号选择由第二和第三运算放大器获得的两个和信号之一;以及第二多路复用器，用于选择由第一运算放大器选择的和信号和由第一多路复用器选择的和信号，到标题区域信号，从而将所选择的结果输出到均衡器。因此，在标题区域中的ID数据的检测期间，不使用拾取的四个信号之间的差分信号，而是根据相应的上部和下部区域在拾取信号之间添加两个信号而产生的信号选择使用标题区域。因此，可以从信号中检测ID数据而不劣化，从而减少误差，从而提高检测余量。

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