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1. 发明授权

US4322855A Remote control apparatus 失效
标题翻译：遥控器
公开(公告)号：US4322855A
公开(公告)日：1982-03-30
申请号：US160622
申请日：1980-06-18
申请人： Takao Mogi , Shigetoshi Murakami , Hisao Okada , Yoshio Ishigaki
发明人： Takao Mogi , Shigetoshi Murakami , Hisao Okada , Yoshio Ishigaki
IPC分类号： H03J9/04 , H04N5/00 , H04Q9/00 , H04B1/06 , H04N5/46
CPC分类号： H03J9/04
摘要： A remote control apparatus having a commander and a receiver. In a wireless remote control system for a television receiver having a channel command device and a responding device, the channel command device includes a channel selecting circuit for selecting one channel command from among a plurality of predetermined channel commands, a command signal generating circuit for generating a channel command signal corresponding to a selected channel command, and a channel command transmitting circuit having a speaker for transmitting the channel command signal; and the responding device includes a channel command receiving circuit having a microphone for receiving the transmitted channel command signal and a channel command discriminating circuit for discriminating the channel command signal and supplying a channel selecting signal corresponding to the discriminated channel command signal to control a tuning circuit of the television receiver. Further, there is provided in the responding device, a return signal generating circuit for producing a return signal corresponding to the channel command indicated by the channel selecting signal and a return signal transmitting circuit having a speaker for transmitting the return signal, while the channel command device further has a return signal receiving circuit having a microphone for receiving the transmitted return signal, a return signal discriminating circuit for discriminating the return signal and producing a discriminated return signal indicating the channel command to which the return signal corresponds, a comparing circuit for comparing the originally selected channel command and the discriminated return signal, and an indicating circuit connected to the comparing circuit for indicating a coincidence of the originally selected channel command and the discriminated return signal.
摘要翻译：一种具有指令器和接收器的遥控装置。在具有信道指令装置和响应装置的电视接收机的无线遥控系统中，信道指令装置包括用于从多个预定信道命令中选择一个信道命令的信道选择电路，用于产生与选择的频道命令对应的频道命令信号，以及具有用于发送频道命令信号的扬声器的频道命令发送电路; 并且响应装置包括具有用于接收所发送的信道命令信号的麦克风的信道指令接收电路和用于鉴别信道命令信号并提供与鉴别信道命令信号相对应的信道选择信号的信道命令鉴别电路以控制调谐电路的电视接收机。此外，在响应装置中设置有返回信号发生电路，用于产生对应于由频道选择信号指示的频道命令的返回信号和具有用于发送返回信号的扬声器的返回信号发送电路，同时信道命令装置还具有一个具有用于接收所发送的返回信号的麦克风的返回信号接收电路，用于鉴别返回信号并产生指示返回信号对应的信道命令的鉴别返回信号的返回信号鉴别电路，用于比较的比较电路原始选择的信道命令和鉴别返回信号，以及连接到比较电路的指示电路，用于指示原始选择的信道命令和鉴别返回信号的一致。

2. 发明授权

US4251812A Remote control system 失效
标题翻译：遥控系统
公开(公告)号：US4251812A
公开(公告)日：1981-02-17
申请号：US953494
申请日：1978-10-23
申请人： Hisao Okada , Takao Mogi , Shigetoshi Murakami
发明人： Hisao Okada , Takao Mogi , Shigetoshi Murakami
IPC分类号： G08C19/22 , G08C19/24 , H03J9/06 , H04N5/00 , H04Q9/14 , H03K7/08
CPC分类号： H03J9/06 , G08C19/22 , G08C19/24
摘要： A remote control apparatus is constituted by a command encoding device and a command decoding device. In the command encoding device, a timing pulse generator indicates the beginning and end of a time interval of a length which is a function of a command to be encoded, a pulse of the first duration shorter than said time interval is initiated in response to said beginning of the time interval, a pulse of a second duration different from said first duration and shorter than said time interval is initiated in response to said end of the time interval, and said pulses of said first and second duration respectively, are sequentially transmitted in the command decoding device, upon the receipt of a pulse of said first duration followed by a pulse of said second duration, a first indication is produced in response to the receipt of said pulse of the first duration and a second indication is produced in response to the receipt of said pulse of the second duration, and a device provides a value which varies as a function of the length of time between each said second indication which immediately precedes it, whereupon, a command signal is produced as a function of said value.
摘要翻译：遥控装置由命令编码装置和命令解码装置构成。在命令编码装置中，定时脉冲发生器指示作为要编码的命令的函数的长度的时间间隔的开始和结束，响应于所述时间间隔开始比所述时间间隔短的第一持续时间的脉冲响应于所述时间间隔的结束，启动与所述第一持续时间不同的第二持续时间并且短于所述时间间隔的第二持续时间的脉冲，并且所述第一和第二持续时间的所述脉冲分别以所述命令解码装置在接收到所述第一持续时间的脉冲之后是所述第二持续时间的脉冲时，响应于接收到所述第一持续时间的所述脉冲而产生第一指示，并且响应于接收到第二持续时间的所述脉冲，并且设备提供随每个所述第二指示之间的时间长度而变化的值，因此，产生作为所述值的函数的命令信号。

3. 发明授权

US3949164A Television signal detecting circuit 失效
标题翻译：电视信号检测电路
公开(公告)号：US3949164A
公开(公告)日：1976-04-06
申请号：US480203
申请日：1974-06-17
申请人： Shigetoshi Murakami , Hisao Okada
发明人： Shigetoshi Murakami , Hisao Okada
IPC分类号： H03J5/02 , H03J7/18 , H03K17/30 , H04N5/44 , H04N5/63
CPC分类号： H03K17/30 , H03J5/0236 , H03J7/18 , H04N5/44
摘要： A television signal detecting circuit is disclosed which has a first electric source, a second electric source (ground potential) different from the first electric source, a series circuit inserted between the first and second electric sources and consisting of a resistor and a condenser, a switching element connected in parallel with the condenser and adapted to become conductive and non-conductive in response to a synchronizing signal of the television signal, and a voltage detecting device connected to a junction point between the resistor and the condenser. The series circuit consisting of the resistor and the condenser prevents the voltage detecting device from becoming conductive when the television signal is absent and only noise is supplied, whereby the erroneous operation of responding to the noise as if it were the television signal can be prevented. The presence of the television signal is determined via coincidence, or lack of it, between the horizontal synchronizing signals of the incoming signal and locally generated pulses.
摘要翻译：公开了一种电视信号检测电路，其具有第一电源，不同于第一电源的第二电源（接地电位），插入在第一和第二电源之间的串联电路，由电阻器和电容器组成，开关元件与所述电容器并联连接，并且响应于所述电视信号的同步信号而变为导通和不导通，以及连接到所述电阻器和所述电容器之间的接合点的电压检测装置。由电阻器和电容器组成的串联电路防止电视信号不存在且仅提供噪声时电压检测装置导通，从而可以防止像噪声一样对电视信号作出响应的错误操作。电视信号的存在是通过输入信号的水平同步信号和本地产生的脉冲之间的一致或缺少确定的。

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