利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

21 条记录 (耗时 0.036 秒)

    Shutter assembled disc cartridge
    2.
    发明授权
    Shutter assembled disc cartridge 失效
    快门组装光盘盒

    公开(公告)号：US4811151A

    公开(公告)日：1989-03-07

    申请号：US13051

    申请日：1987-02-10

    申请人： Yasunori Kanazawa ,  Yoshiyuki Nakamori ,  Tadahiro Kuwa ,  Nobuyuki Fujimoto ,  Shinichi Abe

    发明人： Yasunori Kanazawa ,  Yoshiyuki Nakamori ,  Tadahiro Kuwa ,  Nobuyuki Fujimoto ,  Shinichi Abe

    IPC分类号： G11B23/03 ,  G11B23/02 ,  G11B5/012

    CPC分类号： G11B23/0306 ,  G11B23/0308

    摘要： A recording disc cartridge comprising a disc case formed by a top half and a bottom half each having a spindle hole and a head insertion hole, a recording medium rotatably enclosed in the disc case, shutter means for closing and opening the spindle holes and the head insertion holes, a slide means for moving the shutter means in both lateral directions relative to a line which passes through each center of the spindle hole and the head insertion hole and means for resiliently exerting the slide means so as to drive the shutter means for closing the spindle holes and the head insertion holes.

    摘要翻译： 一种记录盘盒，包括由上半部和下半部分形成的盘壳，每个盘壳具有主轴孔和头插入孔，可旋转地封闭在盘盒中的记录介质，用于关闭和打开主轴孔和头部的挡板装置 插入孔，用于相对于穿过主轴孔的每个中心的线和头插入孔沿两个横向方向移动快门装置的滑动装置和用于弹性地施加滑动装置的装置，以便驱动快门装置关闭 主轴孔和头插入孔。

    Disc cartridge
    5.
    发明授权
    Disc cartridge 失效
    光盘盒

    公开(公告)号：US4799123A

    公开(公告)日：1989-01-17

    申请号：US73855

    申请日：1987-07-14

    申请人： Yasunori Kanazawa ,  Haruo Arai ,  Tadahiro Kuwa

    发明人： Yasunori Kanazawa ,  Haruo Arai ,  Tadahiro Kuwa

    IPC分类号： G11B23/033 ,  G11B17/04 ,  G11B23/03 ,  G11B23/04 ,  G11B5/012

    CPC分类号： G11B17/0436 ,  G11B23/0321

    摘要： A disc cartridge having a case, a disc contained in the case, a shutter mechanism for opening and closing a head insertion window and drive shaft insertion hole and a disc clamping mechanism for clamping the disc when the disc is not in use, the disc clamping mechanism functionally entirely independent of the movement of the shutter mechanism.

    摘要翻译： 具有壳体的盘盒，容纳在壳体中的盘，用于打开和关闭头插入窗口的快门机构和驱动轴插入孔以及当盘不使用时夹紧盘的盘夹持机构，盘夹紧 机构功能上完全独立于快门机构的运动。

    Optical information recording/reproducing apparatus
    6.
    发明授权
    Optical information recording/reproducing apparatus 失效

    公开(公告)号：US5007039A

    公开(公告)日：1991-04-09

    申请号：US247854

    申请日：1988-09-22

    申请人： Akito Sakemoto ,  Hitoshi Watanabe ,  Yasunori Kanazawa

    发明人： Akito Sakemoto ,  Hitoshi Watanabe ,  Yasunori Kanazawa

    IPC分类号： G11B11/105 ,  G11B27/36

    CPC分类号： G11B11/10506 ,  G11B11/10515 ,  G11B11/10576 ,  G11B27/36

    摘要： An optical information recording/reproducing apparatus includes signal recording means for recording a signal on a film. The signal is recorded by raising the temperature of the film with a writing laser beam. A signal reproduction apparatus reproduces the signal by irradiating the film with a reading laser beam. There is an optical system provided in common to both the writing laser beam and the reading laser beam. The signal recorded on the film is reproduced substantially simultaneously with the recording of the signal in order to allow for confirmation of the signal that has been recorded. A modulating circuit is provided for modulating the intensity of the writing laser beam with a frequency of at least twice as high as the maximum frequency of the signal to be recorded.

    Wavelength control method controlling waveform for recording or reproducing information with holography, hologram information processing apparatus and hologram recording medium
    8.
    发明申请
    Wavelength control method controlling waveform for recording or reproducing information with holography, hologram information processing apparatus and hologram recording medium 审中-公开
    波长控制方法控制用全息图，全息图信息处理装置和全息图记录介质记录或再现信息的波形

    公开(公告)号：US20080151337A1

    公开(公告)日：2008-06-26

    申请号：US12001793

    申请日：2007-12-11

    申请人： Yasunori Kanazawa ,  Tetsuo Ueyama

    发明人： Yasunori Kanazawa ,  Tetsuo Ueyama

    IPC分类号： G03H1/02

    CPC分类号： G03H1/22 ,  G03H1/2286 ,  G03H2001/2289 ,  G03H2222/10 ,  G11B7/0065 ,  G11B7/00736 ,  G11B7/00772 ,  G11B7/126

    摘要： For controlling a wavelength of laser light of a wavelength-variable laser (step S0), an optical system or a hologram recording medium is moved (step S1) to attain a state in which a light beam enters a wavelength control pattern. Reference light that is the laser light is applied to the wavelength control pattern (step S2). Then, a light receiving element observes reproduction light from the wavelength control pattern (step S3). A wavelength of the reference light that is the laser light is minutely changed. A quantity of the reproduction light changes with the wavelength. The quantity of the reproduction light is monitored to obtain a specific wavelength λ0 (a rotation angle of a diffraction grating 52) maximizing the quantity of the reproduction light (step S4). The wavelength of the laser light of the wavelength-variable laser light source is adjusted (step S5).

    摘要翻译： 为了控制波长可变激光器的激光波长（步骤S0），移动光学系统或全息图记录介质（步骤S1），以获得光束进入波长控制图案的状态。 作为激光的基准光被施加到波长控制图案（步骤S2）。 然后，受光元件观察来自波长控制图案的再现光（步骤S3）。 作为激光的参考光的波长被微小地改变。 一定量的再现光随波长而变化。 监视再现光的量以获得最大化再现光量的特定波长λ（0）（衍射光栅52的旋转角度））（步骤S 4）。 调整波长可变激光光源的激光的波长（步骤S5）。

    Circuit for reproducing and demodulating modulated digital signals
    9.
    发明授权
    Circuit for reproducing and demodulating modulated digital signals 失效
    用于再现和解调调制数字信号的电路

    公开(公告)号：US4472686A

    公开(公告)日：1984-09-18

    申请号：US311023

    申请日：1981-10-13

    申请人： Keizo Nishimura ,  Hiroyuki Kimura ,  Yasunori Kanazawa

    发明人： Keizo Nishimura ,  Hiroyuki Kimura ,  Yasunori Kanazawa

    IPC分类号： H04L7/00 ,  H04L7/02 ,  H04L7/04 ,  H04L25/48 ,  H04L25/49 ,  H03K7/10

    CPC分类号： H04L25/4904 ,  H04L7/0066 ,  H04L7/042

    摘要： A circuit for reproducing and demodulating a modulated digital signal which is modulated in a predetermined modulation system such as MFM, EFM and so on. A phase of a clock having a frequency multiplied by an integral number of a bit frequency of the modulated digital signal, is restricted or controlled by a signal showing that a predetermined pattern of the modulated digital signal occurred. The modulated digital signal is demodulated by the thus restricted clock to produce digital informations "0" and "1". A main requirement for detecting the predetermined pattern of the modulated digital signal, is that a reproduced modulated digital signal is reliable. In order to compensate for the drop-out of the modulated digital signal, the demodulation circuit is provided with a modulated digital signal reproducing circuit for complementing a predetermined signal pattern when the drop-out occurred.

    摘要翻译： 用于再现和解调在诸如MFM，EFM等的预定调制系统中调制的调制数字信号的电路。 具有乘以调制数字信号的位频的整数的频率的时钟的相位受到表示调制数字信号的预定模式发生的信号的限制或控制。 经调制的数字信号被这样受限的时钟解调，产生数字信息“0”和“1”。 检测调制数字信号的预定模式的主要要求是再现的调制数字信号是可靠的。 为了补偿调制的数字信号的丢失，解调电路设置有调制的数字信号再现电路，用于当出现发生时补充预定的信号模式。