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1. 发明授权

US3934094A Frequency band converter 失效
标题翻译：频带转换器
公开(公告)号：US3934094A
公开(公告)日：1976-01-20
申请号：US391846
申请日：1973-08-27
申请人： Masaharu Kobayashi , Tsuneji Koshikawa , Toshio Tanizoe
发明人： Masaharu Kobayashi , Tsuneji Koshikawa , Toshio Tanizoe
IPC分类号： G10L21/00 , H04B1/66 , H04J7/00
CPC分类号： H04B1/662 , G10L21/00 , H04B1/66
摘要： A frequency band converter wherein a signal whose frequency band is to be converted is written in a random access memory at a predetermined cycle while the contents of the random access memory are read out sequentially at a cycle different from the writing cycle thereby to obtain a frequency band converted output signal.
摘要翻译：将频带要被转换的信号以预定周期写入随机存取存储器的频带转换器，随机存取存储器的内容以与写入周期不同的周期顺序读出，从而获得频率带转换输出信号。

2. 发明授权

US3949175A Audio signal time-duration converter 失效
标题翻译：音频信号持续时间转换器
公开(公告)号：US3949175A
公开(公告)日：1976-04-06
申请号：US509070
申请日：1974-09-25
申请人： Toshio Tanizoe , Takashi Kubota
发明人： Toshio Tanizoe , Takashi Kubota
IPC分类号： H04B1/66 , G11B13/00
CPC分类号： H04B1/662
摘要： An audio signal time-duration converter comprises a random access memory. The compression and expansion of input signals is effected by designating an address in the random access memory and assigning the designated address to a write mode or read mode. The address designation is effected either from an output from a write address counter which serves to count write clock pulses or an output from a read address counter which serves to count read clock pulses. However, in the event of overlap of the read and write clock pulses, the outputs are controlled exclusively by the write clock pulses. In addition, the time duration of the read and write clock pulses is made to be different so that both operations are ensured in a sequential manner in case of such overlap.
摘要翻译：音频信号持续时间转换器包括随机存取存储器。输入信号的压缩和扩展通过指定随机存取存储器中的地址并将指定的地址分配给写入模式或读取模式来实现。地址指定可以从用于计数写时钟脉冲的写地址计数器的输出或用于对读时钟脉冲进行计数的读地址计数器的输出进行。然而，在读和写时钟脉冲重叠的情况下，输出仅由写时钟脉冲控制。此外，使得读取和写入时钟脉冲的持续时间不同，使得在这种重叠的情况下，以顺序的方式确保两个操作。

3. 发明授权

US5805312A Thermographical image copier system with real time copying and variable read and record speeds 失效
标题翻译：具有实时复印和可变读取和记录速度的热像机复印机系统
公开(公告)号：US5805312A
公开(公告)日：1998-09-08
申请号：US280391
申请日：1994-07-26
申请人： Naohiro Ozawa , Yasuo Otsuka , Akihiko Asada , Toyota Honda , Mikio Shiraishi , Yasuyuki Kojima , Toshio Tanizoe , Hiroshi Minoda , Akira Shimizu
发明人： Naohiro Ozawa , Yasuo Otsuka , Akihiko Asada , Toyota Honda , Mikio Shiraishi , Yasuyuki Kojima , Toshio Tanizoe , Hiroshi Minoda , Akira Shimizu
IPC分类号： H04N1/32 , H04N1/047
CPC分类号： H04N1/32561 , H04N2201/0081 , H04N2201/0082 , H04N2201/33328
摘要： An image copying system is disclosed which has a thermal head energized at a strobe current supply time rate corresponding to a current head temperature according to a preset strobe current supply time rate control characteristics. In copying operation at a standard speed, a read sensor 211 reads an image by performing N main scans in one sub scan. A signal processor 221 validates the image signal thus read once every N scans according to a selection signal from a mode control circuit 401. A record circuit 311 having a thermal head performs one main scan every sub scan. During a copying operation at a speed N times the standard speed, the sub scan speed is made N times and the read sensor 211 reads the image by performing one main scan every sub scan and the signal processor 221 makes the read image signal always valid by the selection signal. The record device 311 performs one main scan every sub scan. A single A/D converter is used for A/D converting head temperature as well as other output signal.
摘要翻译：公开了一种图像复制系统，其具有根据预设的选通电流供给时间速率控制特性以对应于当前头部温度的选通电流供应时间速率通电的热敏头。在以标准速度的复印操作中，读取传感器211通过在一个子扫描中执行N次主扫描来读取图像。信号处理器221根据来自模式控制电路401的选择信号，每N次扫描读取一次这样读取的图像信号。具有热敏头的记录电路311每次进行一次扫描。在以标准速度N倍的复印操作期间，副扫描速度为N次，并且读取传感器211通过每次副扫描执行一次主扫描来读取图像，并且信号处理器221使读取的图像信号总是由选择信号。记录装置311对每次副扫描进行一次主扫描。一个A / D转换器用于A / D转换头温度以及其他输出信号。

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