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1. 发明授权

US4539615A Azimuthal magnetic recording and reproducing apparatus 失效
标题翻译：方位磁记录和再现装置
公开(公告)号：US4539615A
公开(公告)日：1985-09-03
申请号：US386073
申请日：1982-06-07
申请人： Takao Arai , Shigeru Yamazaki , Yasunori Kanazawa , Takaharu Noguchi
发明人： Takao Arai , Shigeru Yamazaki , Yasunori Kanazawa , Takaharu Noguchi
IPC分类号： G11B5/48 , G11B5/49 , G11B5/55 , G11B15/06 , G11B5/28
CPC分类号： G11B15/06 , G11B5/4893 , G11B5/4969 , G11B5/5504 , G11B5/5513
摘要： An azimuthal magnetic recording and reproducing apparatus comprises a magnetic head including at least one head gap for the recording and reproduction of information on and from recording tracks extending in the longitudinal direction of a magnetic tape. In the apparatus, the head gap is disposed to make the recording and reproducing operation so that the direction of magnetization on one of the recording tracks differs from that on the adjacent one.
摘要翻译：方位磁记录和重放装置包括磁头，该磁头包括至少一个磁头间隙，用于在磁带的纵向延伸的记录磁道上记录和再现信息。在该装置中，设置头部间隙以进行记录和再现操作，使得在一个记录磁道上的磁化方向与相邻记录磁道上的磁化方向不同。

2. 发明授权

US4282551A PCM Recording and reproducing apparatus 失效
标题翻译： PCM录音和再现设备
公开(公告)号：US4282551A
公开(公告)日：1981-08-04
申请号：US138275
申请日：1980-04-09
申请人： Yasunori Kanazawa , Takao Arai , Norio Yokozawa , Wasao Takasugi
发明人： Yasunori Kanazawa , Takao Arai , Norio Yokozawa , Wasao Takasugi
IPC分类号： G11B20/18 , G11B5/00 , G11B5/09
CPC分类号： G11B20/1813
摘要： When error detection codes are added to a sampled signal word which is a digital version of audio information and a control signal which is a digital version of system control information to construct a data frame and a control signal frame, respectively, the error detection code for the data frame is generated under an arithmetic condition different from that for the control signal frame. In this manner, frame identification information is superimposed on the error detection codes. In a reproducing unit, the error detection codes containing the identification information are used to check an error in the reproduced sampled signal word and control signal and to effect the discrimination between the data frame and the control signal frame.
摘要翻译：当将错误检测码添加到作为音频信息的数字版本的采样信号字和分别构成数据帧和控制信号帧的系统控制信息的数字版本的控制信号时，分别用于在与控制信号帧不同的算术条件下生成数据帧。以这种方式，帧识别信息叠加在错误检测码上。在再现单元中，包含识别信息的检错码用于检查再现的采样信号字和控制信号中的错误，并且实现数据帧与控制信号帧之间的鉴别。

3. 发明授权

US5007039A 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.

4. 发明授权

US4678338A Color sensor 失效
标题翻译：彩色传感器
公开(公告)号：US4678338A
公开(公告)日：1987-07-07
申请号：US554363
申请日：1983-11-22
申请人： Kenichi Kitta , Yasunori Kanazawa , Yoshiro Otomo
发明人： Kenichi Kitta , Yasunori Kanazawa , Yoshiro Otomo
IPC分类号： G01J3/02 , G01J3/46 , G01J3/50 , G01N21/31
CPC分类号： G01J3/02 , G01J3/0218 , G01J3/50 , G01J3/501 , G01J2003/466 , G01N21/314 , G01N2201/0696 , G01N2201/08
摘要： A color sensor includes a plurality of light emitting sources of different colors each of which is driven in a time divisional manner to emit the different colors sequentially, a light receiving element for receiving the light from an object illuminated by the respective color lights from the light emitting sources and a circuit arrangement for producing output signals representing the color of the object.
摘要翻译：颜色传感器包括多个不同颜色的发光源，每个发光源以时分方式被驱动以依次发射不同的颜色;光接收元件，用于接收来自光的相应颜色的光照射的光发射源和用于产生表示对象颜色的输出信号的电路装置。

5. 发明申请

US20080151337A1 Wavelength control method controlling waveform for recording or reproducing information with holography, hologram information processing apparatus and hologram recording medium 审中-公开
标题翻译：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）。

6. 发明授权

US4959744A Shutter assembled disc cartridge 失效
标题翻译：快门组装光盘盒
公开(公告)号：US4959744A
公开(公告)日：1990-09-25
申请号：US239756
申请日：1988-09-01
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
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.

7. 发明授权

US4472686A Circuit for reproducing and demodulating modulated digital signals 失效
标题翻译：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。

8. 发明授权

US4227221A PCM Recording apparatus 失效
标题翻译： PCM录音设备
公开(公告)号：US4227221A
公开(公告)日：1980-10-07
申请号：US962769
申请日：1978-11-21
申请人： Yasunori Kanazawa
发明人： Yasunori Kanazawa
IPC分类号： G11B20/00 , G11B20/10 , G11B20/12 , G11B20/18 , G11B23/00 , H04H1/00 , H04H40/45 , H04S1/00 , G11B5/00 , G11B5/02
CPC分类号： H04H20/88 , G11B20/10527 , G11B20/1806 , G11B23/0007 , H04S1/007 , G11B20/00992
摘要： A PCM recording apparatus is disclosed in which digitized left and right channel sample signals each having error detecting bits and a signal indicative of a correlation such as sum or difference of the two samples are recorded on a record medium in a predetermined arrangement, and an error in coding is detected from the correlation signal.
摘要翻译：公开了一种PCM记录装置，其中每个具有错误检测位的数字化的左和右声道采样信号和指示相关性的信号，例如两个采样的和或差，以预定的布置被记录在记录介质上，并且错误从相关信号检测编码。

9. 发明授权

US07782737B2 Optical integrated unit and optical pickup apparatus including the same 有权
标题翻译：光学集成单元和包括其的光学拾取装置
公开(公告)号：US07782737B2
公开(公告)日：2010-08-24
申请号：US11433119
申请日：2006-05-12
申请人： Yasunori Kanazawa
发明人： Yasunori Kanazawa
IPC分类号： G11B7/135
CPC分类号： G11B7/1356 , G11B7/123
摘要： An optical integrated unit of the present invention includes: a semiconductor laser that is a light source; at least one light receiving element; a light dividing section which divides outgoing light from the semiconductor laser and returning light from an optical disc, and reflects the returning light so as to guide it to the light receiving element; and a support substrate, and a second support substrate is concave, the light dividing section includes at least three prisms, the prisms on both sides of the light dividing section are respectively adhered to two protrusions of the concave second support substrate, and the light receiving element is adhered to the light dividing section via a cover glass. With this, it is possible to solve a problem of a conventional technology, that is, such a problem that the light receiving element cannot be adjusted highly accurately because of the thickness errors of the support substrate and the relay substrate.
摘要翻译：本发明的光学集成单元包括：作为光源的半导体激光器; 至少一个光接收元件; 光分离部，其将来自半导体激光器的出射光分离并从光盘返回光，并且反射返回光以将其引导到光接收元件; 和支撑基板，第二支撑基板是凹形的，所述分光部分包括至少三个棱镜，所述分光部分两侧的棱镜分别粘附到所述凹形第二支撑基板的两个突起，并且所述光接收元件通过盖玻璃粘附到分光部。由此，可以解决现有技术的问题，即由于支撑基板和中继基板的厚度误差而不能高精度地调整受光元件的问题。

10. 发明申请

US20090010122A1 Aberration Detector and Optical Pickup With Same 审中-公开
标题翻译：偏光检测器和光学拾取器相同
公开(公告)号：US20090010122A1
公开(公告)日：2009-01-08
申请号：US11886280
申请日：2006-03-15
申请人： Nobuo Ogata , Yasunori Kanazawa
发明人： Nobuo Ogata , Yasunori Kanazawa
IPC分类号： G11B5/58
CPC分类号： G11B7/1392 , G11B7/094 , G11B7/0943 , G11B7/0948 , G11B7/123 , G11B7/131 , G11B7/1353 , G11B7/1376 , G11B7/13927 , G11B2007/0013
摘要： The first polarizing hologram element (2) is divided into a first area (2a) allowing a first light beam to pass through and a second area (2b) and a third area (2c) which allow a second light beam not including the optical axis of the original light beam to pass through. The first area (2a) is circumscribed by: dividing straight lines (D2) and (D6) in parallel to a straight line (D1) which passes through the optical axis and is provided in a radial direction; a dividing straight line (D4); dividing straight lines (D3) and (D5) forming predetermined angles converging in a direction away from the dividing straight lines (D2) and (D6); a dividing straight line (D7) on the opposite side; and circular arcs (E1) and (E2) of the first polarizing hologram element (2). With this arrangement, it is possible to provide an aberration detection apparatus in which the sensitivity of an aberration error signal is high, a change in the sensitivity of the aberration error signal is small even if the centers of the light beam separation means and the light beam are deviated from one another on account of objective lens shift at the time of tracking control, and no offset occurs in the aberration error signal even if a deviation in the optical axis direction occurs between the light beam separation means and the optical detector, and to provide an optical pickup apparatus including the aberration detection apparatus.
摘要翻译：第一偏振全息元件（2）被分成允许第一光束通过的第一区域（2a）和允许不包括光轴的第二光束的第二区域（2b）和第三区域（2c）的原始光束通过。第一区域（2a）由以下部分限定：将直线（D2）和（D6）平行于通过光轴的直线（D1）并沿径向设置; 分割直线（D4）; 分割直线（D3）和（D5），形成沿远离分割直线（D2）和（D6）的方向收敛的预定角度; 相反侧的分割直线（D7）和第一偏振光全息元件（2）的圆弧（E1）和（E2）。利用这种布置，可以提供像差误差信号的灵敏度高的像差检测装置，即使光束分离装置和光的中心，像差误差信号的灵敏度的变化也很小即使在光束分离装置和光学检测器之间发生光轴方向上的偏差，光束在跟踪控制时由于物镜偏移而彼此偏离，即使像差误差信号也不发生偏移，以提供包括像差检测装置的光拾取装置。

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