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71. 发明授权

US5471250A Digital time base corrector with dropout compensating function 失效
标题翻译：具有压差补偿功能的数字时基校正器
公开(公告)号：US5471250A
公开(公告)日：1995-11-28
申请号：US357861
申请日：1994-12-16
申请人： Hiroshi Otaki , Masahiro Nakajima
发明人： Hiroshi Otaki , Masahiro Nakajima
IPC分类号： H04N5/956 , H04N5/932 , H04N9/88 , H04N9/885 , H04N9/896 , H04N5/94 , H04N5/95
CPC分类号： H04N5/932 , H04N9/885 , H04N9/896
摘要： A digital time base corrector reduces the capacity of a memory to approximately a 1 H of image data while maintains the interleave relationship between a luminance signal and a chrominance signal of a video signal. Polarity data indicating the polarity of a burst signal is generated every 1 H, and a latch circuit is provided for holding and outputting the polarity data during a period of reading image data and polarity data from an image data memory and a sub-carrier phase memory, corresponding to the 1 H in which the polarity data was generated. When dropout occurs in a video signal, the image data and the polarity data are inhibited from being written into the image data memory and the sub-carrier phase memory. When discrepancy is detected between read polarity data and polarity data held in the latch circuit, the color phase of the read image data is inverted.
摘要翻译：数字时基校正器将存储器的容量减小到大约1 H的图像数据，同时保持视频信号的亮度信号和色度信号之间的交织关系。每1H产生指示突发信号的极性的极性数据，并且提供锁存电路用于在从图像数据存储器和副载波相位存储器读取图像数据和极性数据的时段期间保持和输出极性数据，对应于其中产生极性数据的1H。当在视频信号中发生压差时，禁止图像数据和极性数据被写入到图像数据存储器和副载波相位存储器中。当读取极性数据和保持在锁存电路中的极性数据之间检测到差异时，读取的图像数据的颜色相位被反转。

72. 发明授权

US5383076A Magnetic head device with cleaning means for cleaning sliding surface thereof 失效
标题翻译：具有用于清洁其滑动表面的清洁装置的磁头装置
公开(公告)号：US5383076A
公开(公告)日：1995-01-17
申请号：US936093
申请日：1992-08-26
申请人： Akio Saito , Hideyuki Ikeda
发明人： Akio Saito , Hideyuki Ikeda
IPC分类号： G11B5/41
CPC分类号： G11B5/41
摘要： A magnetic head has a sliding surface including a sliding portion for sliding on a magnetic recording medium. A head holder has a head holding portion for holding the magnetic head, and at least one guiding portion located in a side of and far apart from the magnetic head fixed on the holding portion. The guiding portion guides a running course of the magnetic recording medium, and the head holding portion and guiding portion are integral with the head holder. A cleaning device is provided with the head holder so as to be pivotable, and when the cleaning device is pivoted it slides so as to clean the sliding surface of the magnetic head.
摘要翻译：磁头具有包括用于在磁记录介质上滑动的滑动部分的滑动表面。头部保持具有用于保持磁头的头部保持部分和位于固定在保持部分上的磁头的一侧并远离其的至少一个引导部分。引导部分引导磁记录介质的运行过程，并且头部保持部分和引导部分与头部保持器成一体。清洁装置设置有头部保持器以便可枢转，并且当清洁装置枢转时，其滑动以清洁磁头的滑动表面。

73. 发明授权

US5243587A Disc playing apparatus capable of both long time reproduction and high speed access 失效
标题翻译：能够长时间再现和高速存取的光盘播放装置
公开(公告)号：US5243587A
公开(公告)日：1993-09-07
申请号：US916703
申请日：1992-07-22
申请人： Naoto Itoh , Yoshihisa Nagai , Minemasa Ohta
发明人： Naoto Itoh , Yoshihisa Nagai , Minemasa Ohta
IPC分类号： G11B7/00 , G11B7/005 , G11B19/28 , G11B20/10 , G11B20/12 , G11B20/14 , G11B27/00 , G11B27/10 , H04N5/85 , H04N5/907 , H04N5/926 , H04N5/945
CPC分类号： G11B19/28 , G11B20/10527 , G11B27/005 , G11B27/105 , G11B7/005 , H04N5/907 , H04N5/9264 , G11B20/1258 , G11B2020/10768 , G11B2220/20 , H04N5/85 , H04N5/945
摘要： A disc playing apparatus which can access to a desired track at a high speed without losing an advantage of a large recording capacity of a non-CAV disc. A disc 1 on which a predetermined information signal is recorded is rotated at a constant rotational speed, the information signal is read out to thereby obtain a read signal, a reproduction clock signal CLK.sub.1 is extracted from the read signal, and the read signal is demodulated to thereby obtain demodulation data. A clock signal CLK.sub.2 of a predetermined frequency is generated, the demodulation data is stored in response to the reproduction clock signal CLK.sub.1, the stored demodulation data is sequentially read out in accordance with the storing order in response to the clock signal CLK.sub.2, and when it is detected that a residual data amount exceeds a predetermined amount, a read stop signal is generated, thereby stopping the reading operation of the information signal in response to the read stop signal.
摘要翻译：一种可以高速访问所需轨道而不失去非CAV盘的大记录容量的优点的盘播放装置。其中记录有预定信息信号的盘1以恒定转速旋转，读出信息信号从而获得读取信号，从读取信号中提取再现时钟信号CLK1，并且读出信号被解调从而获得解调数据。产生预定频率的时钟信号CLK2，响应于再现时钟信号CLK1存储解调数据，响应于时钟信号CLK2根据存储顺序顺序地读出所存储的解调数据，并且当它检测到残留数据量超过预定量时，产生读停止信号，从而响应于读停止信号停止信息信号的读操作。

74. 发明授权

US5001693A Radio frequency signal processing circuit which prevents stepwise variations of a DC component 失效
标题翻译：射频信号处理电路，其防止DC分量的逐步变化
公开(公告)号：US5001693A
公开(公告)日：1991-03-19
申请号：US581175
申请日：1990-09-05
申请人： Yoshiyuki Kakuta
发明人： Yoshiyuki Kakuta
IPC分类号： G11B20/10 , G11B7/005
CPC分类号： G11B7/005
摘要： A reference level adjusting circuit for a signal containing both DC and RF components, such as provided by a read head in an optical recording and reproduced device. In the reproduction mode, the read input signal is capacitively coupled through an amplifier to an A/D converter. A read input signal detected from an unrecorded area is held and, during the recording mode, is substituted for the presently read input signal.
摘要翻译：一种用于包含DC和RF分量的信号的参考电平调整电路，例如由光学记录和再现装置中的读取头提供的。在再现模式中，读输入信号通过放大器电容耦合到A / D转换器。保持从未记录区域检测到的读取输入信号，并且在记录模式期间，代替当前读取的输入信号。

75. 发明授权

US4627035A Switching circuit for memory devices 失效
标题翻译：存储器件的开关电路
公开(公告)号：US4627035A
公开(公告)日：1986-12-02
申请号：US618167
申请日：1984-06-07
申请人： Kenji Yashiro
发明人： Kenji Yashiro
IPC分类号： G06F12/06 , G11C8/00
CPC分类号： G11C8/00
摘要： A memory system including a circuit for switching control of a read-only memory and a random-access memory to allocate addresses thereto. The addresses are switched between the read-only memory and the random-access memory by selecting a mode in which the read-only memory is operated when reading therefrom and the random-access memory is operated when writing thereinto, and a mode in which the random-access memory is operated when reading therefrom and writing thereinto.
摘要翻译：一种存储系统，包括用于切换只读存储器和随机存取存储器的控制的电路以分配地址。通过选择在从其读取时只读存储器被操作并且在写入时操作随机存取存储器的模式，在只读存储器和随机存取存储器之间切换地址，并且其中随机存取存储器从其读取并写入时被操作。

76. 发明授权

US4553204A Central processing unit restoring mechanism for a system having a plurality of central processing units 失效
标题翻译：具有多个中央处理单元的系统的中央处理单元恢复机构
公开(公告)号：US4553204A
公开(公告)日：1985-11-12
申请号：US396201
申请日：1982-07-08
申请人： Takashi Hashimoto
发明人： Takashi Hashimoto
IPC分类号： G06F11/14 , G06F15/16 , G06F15/177 , H04N7/173 , G06F11/00
CPC分类号： H04N7/173 , G06F11/1415 , H04N2007/17372 , Y10T307/43
摘要： A two-way data communication system using a plurality of CPUs is provided with at least one CPU which detects abnormalities in the operation of further CPUs and accordingly cuts the power to and resets an erroneously operating CPU.
摘要翻译：使用多个CPU的双向数据通信系统设置有至少一个CPU，其检测其他CPU的操作中的异常，并因此切断对错误操作的CPU的功率并将其复位。

77. 外观设计

USD272085S Dustless ash container or similar article 失效
公开(公告)号：USD272085S
公开(公告)日：1984-01-03
申请号：US202163
申请日：1980-10-30
申请人： Deo A. Rhoades , Betty L. Rhoades
设计人： Deo A. Rhoades , Betty L. Rhoades

78. 发明授权

US3893184A Tape cartridge ejection mechanism 失效
标题翻译：磁带盒弹出机构
公开(公告)号：US3893184A
公开(公告)日：1975-07-01
申请号：US34582073
申请日：1973-03-28
申请人： PIONEER ELECTRONIC CORP
发明人： ISHIGAMI TOSHIO
IPC分类号： G11B15/675 , G11B23/04
CPC分类号： G11B15/6751
摘要： A tape cartridge eject lever has one end loosely received in a hole within the chassis located adjacent the leading end of the inserted cartridge, the lever extending across the leading end of the cartridge and in contact with the edge adjacent the chassis hole. Force applied to the opposite end of the ejection lever assures ejection of the cartridge and release of the frictional restraint normally holding the cartridge in inserted position.
摘要翻译：磁带盒弹出杆的一端松动地容纳在与插入的盒的前端相邻的底盘内的孔中，该杆延伸穿过盒的前端并且与邻近底盘孔的边缘接触。施加到弹出杆的相对端的力确保了弹药筒的释放，并且将通常将墨盒保持在插入位置的摩擦约束释放。

79. 发明授权

US3889074A Head phone unit 失效
标题翻译：头戴式耳机
公开(公告)号：US3889074A
公开(公告)日：1975-06-10
申请号：US41328573
申请日：1973-11-06
申请人： PIONEER ELECTRONIC CORP
发明人： ITAGAKI TADASI
IPC分类号： H04R1/10
CPC分类号： H04R1/1058 , H04R1/1008 , H04R1/1066
摘要： The present invention describes a head phone unit having a speaker frame, speaker case, and a case retention band wherein the parts of the unit are retained in assembled relationship by a fastening pin which also affixes the unit to a head band assembly. This construction enables more efficient assembly methods due to the reduced number of parts and, consequently, reduces the unit cost and the percentage of defective units produced.
摘要翻译：本发明描述了具有扬声器框架，扬声器壳体和壳体保持带的头戴式电话单元，其中单元的部件通过固定销保持组装关系，紧固销还将该单元固定到头带组件。这种结构由于部件数量的减少而实现了更有效的装配方法，因此降低了单元成本和生产的缺陷单元的百分比。

80. 发明授权

US3887101A Speaker box cabinet and method of manufacturing the same 失效
标题翻译：扬声器箱柜及其制造方法
公开(公告)号：US3887101A
公开(公告)日：1975-06-03
申请号：US36893073
申请日：1973-06-11
申请人： PIONEER ELECTRONIC CORP
发明人： ADACHI HISAO
IPC分类号： H04R1/02 , A47B81/06
CPC分类号： H04R1/021 , Y10T156/1026
摘要： A speaker box cabinet is formed of laminated sheet material wherein a thin outer flexible film is supported by a thick backing layer and the laminated sheet is bent at plural locations about thin lines defined by deep V-grooves which extend through the backing layer to the flexible film, and the cabinet is characterized by employing additional shallow grooves within the backing layer not reaching the film layer to correct for camber of the laminated sheet.

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