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    • 4. 发明授权
    • Recording/reproducing apparatus with a probe to detect data recorded in
pits and projections of a recording medium
    • 具有用于检测记录在记录介质的凹坑和凸起中的数据的探针的记录/再现装置
    • US5581538A
    • 1996-12-03
    • US358545
    • 1994-12-14
    • Tetsuya InuiHirotsugu MatobaSusumu HirataYorishige IshiiKenji Ohta
    • Tetsuya InuiHirotsugu MatobaSusumu HirataYorishige IshiiKenji Ohta
    • G11B9/14G01Q60/12G11B9/00H01L21/66
    • G11B9/1445G11B9/1454G11B9/1472G11B9/149B82Y10/00G01Q80/00Y10S977/947
    • A probe is displaced relative to a recording medium according to a drive voltage. A chip is provided at an end of the probe. The chip serves to form pits and projections on a surface of the recording medium according to a recording voltage (Vp2) and serves to output a current signal responsive to the pits and projections with a reproducing voltage (Vp1) applied. A voltage generator generates the recording voltage and the reproducing voltage based on address and data signals. A sample-hold unit samples at a specified frequency a current signal obtained from a no-recording area of the recording medium by the chip and produces an output voltage signal. A reproducing unit demodulates and reproduces increment and decrement of the current signal obtained from a recording area of the recording medium by the chip. A control unit controls recording and reproduction. The control unit outputs such a drive voltage that the interval between the chip and the recording medium is maintained constant by feedback control based on the voltage signal derived from the sample-hold unit. The control unit controls the recording so that no-recording areas and recording areas are arranged alternately.
    • 根据驱动电压,探针相对于记录介质移位。 在探头的一端设有芯片。 该芯片用于根据记录电压(Vp2)在记录介质的表面上形成凹坑和突起,并用于以施加的再现电压(Vp1)响应于凹坑和突起输出电流信号。 电压发生器基于地址和数据信号产生记录电压和再现电压。 采样保持单元以指定频率对由芯片从记录介质的无记录区域获得的当前信号进行采样,并产生输出电压信号。 再现单元解调并再现由芯片从记录介质的记录区域获得的当前信号的增量和减量。 控制单元控制记录和再现。 控制单元输出通过基于从采样保持单元导出的电压信号的反馈控制将芯片与记录介质之间的间隔保持恒定的驱动电压。 控制单元控制记录,使得不记录区域和记录区域交替布置。
    • 5. 发明授权
    • Microrelay and a method for producing the same
    • Microrelay及其制备方法
    • US5398011A
    • 1995-03-14
    • US61254
    • 1993-05-17
    • Kasuhiro KimuraSusumu HirataYorishige IshiiTetsuya InuiKenji Ohta
    • Kasuhiro KimuraSusumu HirataYorishige IshiiTetsuya InuiKenji Ohta
    • H01H51/12B81B3/00H01H50/00H01H50/04H01H50/36H01H50/44H01H51/20H01H51/22
    • H01H50/043H01H50/005H01H50/36H01H50/44H01H51/2281
    • A microrelay including a substrate having a pair of fixed contacts fixed on a surface thereof and a movable section having a pair of movable contacts opposed to the pair of fixed contacts. The movable section includes a frame for fixing the movable section to the substrate; a movable body having the pair of movable contacts and a pair of magnetic bodies; and a coupling section for pivotally supporting the movable body to the frame. The substrate has a pair of magnetic force generating devices for supplying the pair of magnetic bodies with a magnetic force, thereby selectively causing contact between one of the pair of movable contacts and the fixed contact opposed to the one of the pair of movable contacts; and a magnetic force controlling device for applying the magnetic force generated by each of the pair of magnetic force generating devices only to the magnetic body corresponding to each of the magnetic force generating device. A method for producing such a microrelay includes the steps of depositing an insulating film on the surface of the substrate; forming the pair of fixed contacts each formed of a conductive film on the insulating film; and forming a groove at the surface of the substrate between the pair of fixed contacts.
    • 一种微型继电器,包括具有固定在其表面上的一对固定触点的基板和具有与该对固定触点相对的一对可动触头的可动部分。 可移动部分包括用于将可移动部分固定到基板的框架; 具有一对可动触头和一对磁体的移动体; 以及用于将可移动体枢转地支撑到框架的联接部分。 基板具有一对用于向一对磁体供给磁力的磁力产生装置,从而选择性地使所述一对可动触头中的一个和与所述一对可动触头中的一个相对的固定触头之间的触点; 以及用于将由所述一对磁力产生装置中的每一个产生的磁力仅施加到与每个磁力产生装置对应的磁体的磁力控制装置。 制造这种微续流的方法包括以下步骤:在衬底的表面上沉积绝缘膜; 在绝缘膜上形成由导电膜形成的一对固定触点; 以及在所述一对固定触点之间的所述基板的表面处形成凹槽。
    • 9. 发明授权
    • Optical card recording and reproducing device
    • 光卡记录和再现设备
    • US5083301A
    • 1992-01-21
    • US347712
    • 1989-05-05
    • Hirotsugu MatobaShigemi MaedaKenji OhtaShozo Kobayashi
    • Hirotsugu MatobaShigemi MaedaKenji OhtaShozo Kobayashi
    • G11B7/0033G11B7/085
    • G11B7/08505G11B7/0033G11B7/08588
    • An optical card recording and reproducing device including an optical head for emitting a light beam spot to the optical card having a plurality of parallel data tracks to which data is recorded; a transfer system for transferring the optical card and/or the optical head; and a track number confirmation means for confirming the track number recorded in the address data area in the data track of the optical card. The optical card recording and reproducing device also includes a transfer stopping means for stopping the optical head when an incorrect track number is deleted. The system minimizes the relative transfer distance between the optical card and the optical head, and at the same time, the total relative transfer distance of the optical card and/or the optical head when confirming the track number more than twice. Thus, the total time required for track number confirmation can be greatly shortened.
    • 一种光卡记录和再现装置,包括用于向光卡发射光束点的光学头,该光卡具有数据被记录在其上的多个并行数据轨道; 用于传送光卡和/或光头的传送系统; 以及轨道号确认装置,用于确认记录在光卡的数据轨道中的地址数据区中的轨道号。 光卡记录和再现装置还包括一个传送停止装置,用于当不正确的磁道号被删除时停止光头。 该系统使光卡和光学头之间的相对传送距离最小化,同时,在确认轨道号超过两次时,光卡和/或光学头的总相对传送距离。 因此,可以大大缩短轨道号确认所需的总时间。