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    • 7. 发明授权
    • Display device for a compact disc player and a compact disc
    • 用于光盘播放器和光盘的显示设备
    • US5485442A
    • 1996-01-16
    • US99091
    • 1993-07-28
    • Masamichi FurukawaTakurou Sone
    • Masamichi FurukawaTakurou Sone
    • G11B27/00G11B27/10G11B27/11G11B27/30G11B27/32G11B27/34G11B7/00
    • G11B27/34G11B27/002G11B27/105G11B27/11G11B27/3063G11B27/329G11B2220/2545
    • A display device for a Compact Disc player includes a Q-channel information detection circuit, a specific information identifying circuit, an information sorting circuit, a character code train output circuit and a display. The Q-channel information detection circuit detects Q-channel information subcoding from a signal recorded on a Compact Disc reproduced by the Compact Disc player. The specific information identifying circuit identifies specific information by means of identifying code imparted thereto. The information sorting circuit sorts the specific information provided from the specific information identifying circuit into character code information and editing information. The character code train output circuit edits the character code information in accordance with the editing information as character information and the display indicates the character information concerning contents of the Compact Disc such as the title, name of the composer or performer. The display device also includes an image information processing circuit which detects image information from Q and R to W-channels on the Compact Disc and displays mixed information of character information and image information.
    • 用于光盘播放器的显示装置包括Q信道信息检测电路,特定信息识别电路,信息分类电路,字符代码串输出电路和显示器。 Q信道信息检测电路从记录在由光盘播放器再现的光盘上的信号检测Q信道信息编码。 特定信息识别电路通过识别赋予的代码来识别特定信息。 信息分类电路将从特定信息识别电路提供的特定信息分类为字符代码信息和编辑信息。 字符代码串输出电路根据作为字符信息的编辑信息编辑字符代码信息,并且显示表示关于压缩盘的内容的字符信息,例如标题,作曲者或表演者的名称。 显示装置还包括图像信息处理电路,其检测来自光盘上的Q和R到W声道的图像信息,并显示字符信息和图像信息的混合信息。
    • 8. 发明授权
    • Shutter and low-light indicator actuating device for a camera
    • 相机的快门和低光指示灯启动装置
    • US4027314A
    • 1977-05-31
    • US623164
    • 1975-10-16
    • Susumu IguchiMasamichi Furukawa
    • Susumu IguchiMasamichi Furukawa
    • G03B7/083G03B17/18G03B7/08
    • G03B7/083
    • Voltage comparators for actuating a camera shutter and a low-light indicating lamp respectively have inputs connected to junctions between photocells and resistors so as to be controlled in response to the light level. The voltage comparator for the low-light indicator energizes the indicator when the light level is below a low-light value from the time the shutter release button is partially depressed until the time the shutter is closed after the exposure. The voltage comparator for the shutter produces a shutter opening signal to open the shutter for the required length of time based on the light level. The output of the voltage comparator for the shutter is connected through a diode to the input of the voltage comparator for the low-light indicator so that the low light indicator is deenergized when the shutter is closed.
    • 用于致动照相机快门和低光指示灯的电压比较器分别具有连接到光电池和电阻之间的接点的输入,以响应于光级而被控制。 当从快门释放按钮被部分按下直至曝光后的快门关闭时,当光线水平低于低光值时,低光指示灯的电压比较器会使指示器通电。 用于快门的电压比较器产生快门打开信号,以基于光级别打开快门所需的时间长度。 用于快门的电压比较器的输出通过二极管连接到用于低光指示器的电压比较器的输入端,使得当快门关闭时低光指示器断电。
    • 10. 发明授权
    • Waveform analysis system
    • 波形分析系统
    • US4053831A
    • 1977-10-11
    • US671212
    • 1976-03-29
    • Masamichi FurukawaSusumu Iguchi
    • Masamichi FurukawaSusumu Iguchi
    • G01R13/00G01R13/30G01R13/34G01R23/16
    • G01R13/00G01R13/30G01R13/345
    • An address counter sequentially addresses locations in a shift register or random access memory in which a waveform is stored in digital form to display the waveform on a cathode ray tube. Several magnification ranges are provided so that a selected portion of the waveform may be viewed in magnified form. A manually controllable position counter selects the portion of the magnified waveform for viewing in such a manner that the center of the portion will remain in the center of the cathode ray tube when the system is switched between magnification ranges. The position counter is an up-down counter which is driven by a same clock pulse generator which drives the address counter. A variable frequency divider is provided between the clock pulse generator and the position counter in such a manner that the position counter is driven at a convenient speed regardless of the magnification range. Two manually controllable mark counters similar to the location counter are also driven from the clock pulse generator, and indicate memory locations for which respective markers are to be displayed on the cathode ray tube. The contents of the memory location corresponding to the first of the markers is displayed in digital form, and the time difference between the markers is also measured and displayed in digital form. Variable frequency dividers provide magnitude and time scaling for the digital displays, and also ensure movement of the markers on the cathode ray tube at a convenient speed regardless of the magnification range. The frequency dividers are switched so that the address and mark counters are driven at low speed when the selected portion for magnification and marks are addressed and at high speed at other times.
    • 地址计数器顺序寻址移位寄存器或随机存取存储器中的位置,其中以数字形式存储波形以在阴极射线管上显示波形。 提供了几个放大范围,使得可以以放大的形式观看波形的选定部分。 手动可控位置计数器以这样的方式选择放大波形的部分,以便当系统在倍率范围之间切换时,该部分的中心将保持在阴极射线管的中心。 位置计数器是由相同的时钟脉冲发生器驱动的地址计数器驱动的升降计数器。 在时钟脉冲发生器和位置计数器之间提供可变分频器,使得位置计数器无论放大范围如何以方便的速度被驱动。 类似于位置计数器的两个可手动控制的标记计数器也从时钟脉冲发生器驱动,并且指示要在阴极射线管上显示相应标记的存储器位置。 以数字形式显示与第一个标记相对应的存储器位置的内容,并且还以数字形式测量和显示标记之间的时间差。 可变分频器为数字显示器提供幅度和时间缩放,并且还确保标记在阴极射线管上的移动,无论放大范围如何,都以合适的速度。 切换分频器,使得当选择的放大和标记部分被寻址并且在其它时间以高速度时,地址和标记计数器以低速驱动。