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    • 1. 发明授权
    • Apparatus for optically reproducing signals recorded on a rotating
recording medium
    • 用于光学再现记录在旋转记录介质上的信号的装置
    • US4486791A
    • 1984-12-04
    • US374781
    • 1982-05-04
    • Yoshiyo WadaHisao KinjoIchiro UenoYoshihiko HonjoKazuo TatsuguchiJuichi Shikunami
    • Yoshiyo WadaHisao KinjoIchiro UenoYoshihiko HonjoKazuo TatsuguchiJuichi Shikunami
    • H04N5/85G11B7/09G11B7/12H04N5/76G11B7/00
    • H04N5/7605G11B7/0901G11B7/0938G11B7/12
    • An optical apparatus reproduces an information signal recorded as pits along track turns of a rotating recording medium. At least one kind of reference signal is recorded along and overlapping the lateral edges of the adjacent track turns of the information signal. A light source projects a first light beam onto the surface of the recording medium to simultaneously reproduce the information and reference signals. A detector responds to reflections of the projected light which includes and reproduces the information signal and the reference signal. The optical system is controlled so that the center of the light beam coincides with the centerline of the track. A circuit separates the reference signal from the total reproduced signal and produces a tracking control signal in response thereto.The optical system also projects a second light beam onto the recording medium and its reflected component is used for focus control. The depth of focus of the objective lens is substantially equal to or less than two times the pit depth, so that the focussing point of the reproduction light beam coincides with the upper surface of the rotating recording medium or the bottom surface of the pits. Thereby resulting in fine reproduction without introducing second-order harmonic distortion.
    • 光学装置沿着旋转记录介质的轨道匝再现记录为凹坑的信息信号。 至少一种参考信号沿信息信号的相邻轨道匝的横向边缘记录并重叠。 光源将第一光束投射到记录介质的表面上,以同时再现信息和参考信号。 检测器对投影光的反射进行响应,该反射包括并再现信息信号和参考信号。 控制光学系统使得光束的中心与轨道的中心线重合。 电路将参考信号与总再现信号分离,并响应于此产生跟踪控制信号。
    • 3. 发明授权
    • Disc reproducing system
    • 盘再现系统
    • US4420827A
    • 1983-12-13
    • US186297
    • 1980-09-11
    • Yoshiyo WadaHisao KinjoIchiro Ueno
    • Yoshiyo WadaHisao KinjoIchiro Ueno
    • G11B7/0045G11B7/007G11B7/013G11B7/09G11B7/125G11B11/05G11B21/10G11B23/00G11B23/36H04N5/83G11B11/00
    • G11B7/24085G11B11/05G11B21/10G11B23/0007G11B23/36G11B7/0045G11B7/007G11B7/0901G11B7/0938G11B7/125
    • An information signal recording medium of rotary type has a flat surface with first succession of pits formed therein as respective concavities in response to a first signal and with second succession of pits formed therein as respective concavities in response to a second signal. The second succession of pits are formed at positions substantially intermediate between the centerlines of adjacent tracks formed by the first succession of pits. Each pit of the first succession of pits and each pit of the second succession of pits respectively have widths W1 and W2 and depths D1 and D2, wherein the relationships between the widths and said depths are so selected that the levels L1 and L2 of the first and second signals which are reproduced when the first and second succession of pits are traced and thereby reproduced by reproducing means will be such that the level L1 is greater than the level L2, and the difference between the levels L1 and L2 will be greater than a specific level difference.
    • 旋转型的信息信号记录介质具有平坦表面,其中形成有第一连续凹坑的凹坑作为响应于第一信号的各个凹部,并且响应于第二信号而在其中形成有凹陷的第二连续凹坑作为相应的凹部。 第二连续的凹坑形成在基本上在由第一连续凹坑形成的相邻轨道的中心线之间的位置处。 凹坑的第一连续凹坑和第二连续凹坑的每个凹坑的每个凹坑分别具有宽度W1和W2以及深度D1和D2,其中宽度和所述深度之间的关系如此选择,使得第一 并且当第一和第二连续的凹坑被跟踪并由再现装置再现时再现的第二信号将使得电平L1大于电平L2,并且电平L1和L2之间的差将大于 具体水平差异。
    • 5. 发明授权
    • Information processing apparatus and method, and program
    • 信息处理装置和方法,程序
    • US08295650B2
    • 2012-10-23
    • US11704177
    • 2007-02-08
    • Ichiro UenoBaiping LiaoHiroyuki Tominaga
    • Ichiro UenoBaiping LiaoHiroyuki Tominaga
    • G06K9/00G06K9/34G06K9/40G06K9/36G06K9/60H04N5/76
    • G06F17/3089
    • An information processing apparatus may include the following elements: an image information obtaining unit which obtains image information having at least position information added thereto as additional information, a map information storage unit which stores map information, a template information storage unit which stores template information including a template of content information, a map information obtaining unit which obtains map information corresponding to the position information added to the image information obtained by the image information obtaining unit from the map information stored in the map information storage unit, and a content information creating unit which creates content information using at least the map information obtained by the map information obtaining unit on the basis of the template information.
    • 信息处理设备可以包括以下要素:图像信息获取单元,其获取至少添加了作为附加信息的位置信息的图像信息,存储地图信息的地图信息存储单元,存储模板信息的模板信息存储单元, 内容信息的模板,地图信息获取单元,其从存储在地图信息存储单元中的地图信息中获取与添加到由图像信息获取单元获得的图像信息相对应的位置信息的地图信息,以及内容信息创建单元 其基于模板信息至少使用由地图信息获取单元获得的地图信息来创建内容信息。