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    • 1. 发明授权
    • Cassette tape player
    • 盒式磁带机
    • US4337490A
    • 1982-06-29
    • US149944
    • 1980-05-15
    • Teturo KamimuraMasahiro KomatsubaraShizuo AndoTakugi Inanaga
    • Teturo KamimuraMasahiro KomatsubaraShizuo AndoTakugi Inanaga
    • G11B15/26G11B15/675G11B15/60
    • G11B15/26G11B15/67592
    • A new type of cassette player is provided. The general structure includes a chassis, a receptacle for a cassette, a guide for the receptacle, and reel shafts. The cassette receptacle is movably mounted on the chassis at an oblique position with respect to the main surface of the chassis. The guide translates the receptacle in the oblique position and then turns the receptacle about its trailing edge to place it in a position parallel to the chassis main surface. The reel shafts connected to drive means is adapted to be initially retracted with respect to the path of the receptacle, but be moved into the corresponding reel hubs of the cassette when the receptacle is turned into the parallel position. The space required for cassette loading can be reduced in this new structure.
    • 提供了一种新型的录音机。 一般结构包括底盘,用于盒的插座,用于插座的引导件和卷轴。 盒式存储器相对于底盘的主表面以倾斜的位置可移动地安装在底盘上。 引导件将插座平移在倾斜位置,然后使插座围绕其后缘旋转以将其放置在平行于底盘主表面的位置。 连接到驱动装置的卷轴适于相对于容器的路径首先缩回,而当容器转动到平行位置时,被移动到盒的相应的卷轴毂中。 在这种新结构中,可以减少盒装载所需的空间。
    • 5. 发明授权
    • Player for magnetic tape cartridge recordings
    • 磁带录音机播放器
    • US4377829A
    • 1983-03-22
    • US220982
    • 1980-12-29
    • Teturo KamimuraMasahiro KomatsubaraShizuo AndoTakuzi Inanaga
    • Teturo KamimuraMasahiro KomatsubaraShizuo AndoTakuzi Inanaga
    • G11B15/18G11B15/29G11B15/675G11B15/66G11B15/26G11B23/04
    • G11B15/1883G11B15/29G11B15/67592
    • A player for magnetic tape recordings is provided, which comprises a cartridge holder adapted to receive therein a cartridge, guide grooves for guiding the holder, an ejecting member adapted to depress the holder and an ejecting mechanism for releasing the cartridge. The ejecting member is in the form of a lever. The ejecting mechanism serves to separate the lever from the holder with the advancement of the holder to retain the lever at an upper position separately from the cartridge holder, and to release the lever simultaneously with the starting of ejecting operation. Thus, the cartridge holder is pushed downward and ejected for removal. The player also includes two grooves intersecting each other at an angle of 90.degree. to 180.degree. on a line extending from the lever. These grooves serve to guide therealong both end of the ejecting lever to cause an arcuate movement of the lever.
    • 提供了一种用于磁带录音的播放器,其包括适于在其中容纳盒的盒保持器,用于引导保持器的引导槽,适于按压保持器的弹出构件和用于释放盒的弹出机构。 排出构件是杠杆的形式。 排出机构用于随着保持器的前进而将杆与保持器分离,以将杆保持在与仓保持器分开的上部位置处,并且在弹出操作开始的同时释放杆。 因此,盒保持器被向下推动并被排出以便移除。 播放器还包括在从杠杆延伸的线上以90°至180°的角度彼此相交的两个凹槽。 这些槽用于沿喷射杆的两端引导以引起杆的弓形运动。
    • 9. 发明授权
    • Voice versus pulsed tone signal discrimination circuit
    • 语音与脉冲音信号鉴别电路
    • US4027102A
    • 1977-05-31
    • US635015
    • 1975-11-25
    • Shizuo AndoTerumasa Shimizu
    • Shizuo AndoTerumasa Shimizu
    • G10L25/78H04Q1/46H04M3/22
    • G10L25/78H04Q1/46
    • Two circuit embodiments are disclosed for discriminating between a voice signal and other audio standard (busy and dial tone) signals on a telephone line. One embodiment measures the frequency of the envelope of the audio signal and decides voice (speech) presence if (glottal) frequencies above 50 hz. are present. The second embodiment measures the cyclic frequency of the audio signal and decides voice (speech) presence if frequencies above 600 hz are present, assuming busy or dial tones are 400 hz. Features of the second embodiment include gating of the timer-counter to prevent the cycle-counter from erroneously counting chatter during rise-time and fall-time of an audio signal.
    • 公开了两个电路实施例,用于区分电话线路上的语音信号和其它音频标准(忙音和拨号音)信号。 一个实施例测量音频信号的包络的频率,并且如果(声门)频率高于50Hz,则决定语音(语音)存在。 存在。 第二实施例测量音频信号的循环频率,并且如果存在高于600Hz的频率,则假定忙音或拨号音为400Hz,则决定语音(语音)存在。 第二实施例的特征包括定时器计数器的门控,以防止周期计数器在音频信号的上升时间和下降时间期间错误地计数颤动。