公开(公告)号：US5875389A

公开(公告)日：1999-02-23

申请号：US733097

申请日：1996-10-16

申请人： Nobuaki Yokoyama

发明人： Nobuaki Yokoyama

IPC分类号： H04B1/26 ,  H04B1/68 ,  H04B1/16

CPC分类号： H04B1/26 ,  H04B1/68

摘要： An SSB radio receiver having an inexpensive wide-band IF filter which passes through not only a reception objective SSB station IF signal but also an interference SSB station IF signal simultaneously. These signals are SSB-detected to reproduce the original modulating audio signals with a BFO frequency, the BFO frequency itself located out of the pass-band of the wide-band IF filter. The frequency of the reception objective SSB station IF signal is selected to be nearest to the BFO frequency, preferably at an end of the pass-band width of the IF filter. Frequency spectrums of the SSB-detected audio signals are separated by a frequency difference comprising the difference between the BFO signal and the IF signals. The SSB-detected audio signals are applied to a selected low-pass filter, such as an inexpensive active filter, having a pass-band which covers or passes only the SSB-detected audio signal of the reception objective SSB station IF signal.

摘要翻译： 具有便宜的宽带IF滤波器的SSB无线电接收机，不仅通过接收目标SSB站IF信号，而且经过干扰SSB站IF信号。 这些信号被SSB检测以再现具有BFO频率的原始调制音频信号，BFO频率本身位于宽带IF滤波器的通带之外。 接收对象SSB站IF信号的频率被选择为最接近BFO频率，优选地在IF滤波器的通带宽度的结束处。 SSB检测音频信号的频谱由包括BFO信号和IF信号之间的差的频差分开。 SSB检测的音频信号被施加到具有覆盖或仅通过接收目标SSB站IF信号的SSB检测到的音频信号的通带的选择的低通滤波器，例如便宜的有源滤波器。

公开(公告)号：US5396544A

公开(公告)日：1995-03-07

申请号：US142719

申请日：1993-10-25

申请人： Wayne Gilbert ,  Kazuyoshi Imazeki ,  Nobuaki Yokoyama

发明人： Wayne Gilbert ,  Kazuyoshi Imazeki ,  Nobuaki Yokoyama

IPC分类号： H04M1/654 ,  H04M1/64

CPC分类号： H04M1/654

摘要： A telephone answering apparatus permits a called party to select between an automatic mode wherein a message is automatically played back to a caller without any action of the called party and a prenouncer mode wherein a message is played back to the caller when activated by the called party. The telephone answering apparatus includes a ring detector circuit connectable to an outside line and responsive to an incoming call on the outside line for producing a ring detected signal, a timer and driver circuit responsive to the ring detected signal for producing a playback signal and a manually actuatable answer switch. A mode switch capable of selecting one of the prenouncer mode and the automatic mode is connected to the timer and driver circuit, to the ring detector circuit and to the answer switch.

摘要翻译： 电话应答装置允许被叫方在自动模式之间进行选择，其中消息被自动地回放到呼叫者而不受被叫方的任何动作，以及播放器模式，其中当由被叫方激活时向主叫方播放消息 。 电话应答装置包括一个环形检测器电路，其可连接到外线并响应于外线上的来电以产生振铃检测信号，定时器和驱动电路响应于环形检测信号产生播放信号和手动 可启动应答开关。 能够选择预报器模式和自动模式之一的模式开关连接到定时器和驱动器电路，连接到环形检测器电路和应答开关。

公开(公告)号：US20060133453A1

公开(公告)日：2006-06-22

申请号：US11202302

申请日：2005-08-11

申请人： Nobuaki Yokoyama

发明人： Nobuaki Yokoyama

IPC分类号： H04B1/69

CPC分类号： H04B1/403 ,  H04B1/525

摘要： The present invention provides a data transfer system that performs a data transfer between a master receiver and at least one slave receiver each of which has a built-in memory storing data therein and is identical in configuration. Upon the data transfer, such at least one slave receiver in which the data transfer is performed, is disposed in the neighborhood of the master receiver. The master receiver FSK-modulates a local oscillation signal of a first local oscillator and a standard frequency signal of a standard signal generator using the data read from the corresponding built-in memory, and radiates the first local oscillation signal generated from the first local oscillator into the air as a leakage radio wave, whereas such at least one slave receiver receives the leakage radio wave therein and writes data acquired from the received signal into the corresponding built-in memory, whereby a data transfer is performed between the master receiver and the slave receiver.

摘要翻译： 本发明提供一种数据传输系统，其执行主接收机与至少一个从接收机之间的数据传输，每个从接收机具有在其中存储数据的内置存储器，并且配置相同。 在数据传送时，这样的至少一个执行数据传输的从接收机设置在主接收机附近。 主接收机FSK使用从相应的内置存储器读取的数据来调制第一本地振荡器的本地振荡信号和标准信号发生器的标准频率信号，并且辐射从第一本地振荡器产生的第一本地振荡信号 作为泄漏无线电波进入空中，而这样的至少一个从接收器接收其中的泄漏无线电波，并将从接收信号获取的数据写入到相应的内置存储器中，由此在主接收机和 从接收机。

公开(公告)号：US06535164B2

公开(公告)日：2003-03-18

申请号：US09899476

申请日：2001-07-05

申请人： Kazuyoshi Imazeki ,  Masaki Hiratsuka ,  Nobuaki Yokoyama

发明人： Kazuyoshi Imazeki ,  Masaki Hiratsuka ,  Nobuaki Yokoyama

IPC分类号： H04B7185

CPC分类号： H04H20/59

摘要： An each area automatic selection receiver of an emergency radio signal is an emergency broadcast receiver which enables current area code CAC to be updated automatically. This receiver is constituted in such a way that a GPS receiver obtains current position information by use of the satellite positioning system, then, a converter converts the current position information into an area code by use of a conversion table to write the area code into a code memory. For that reason, even though the receiver moves anywhere, contents of the code memory are always updated to an area code of an area of the movement destination automatically. Therefore, emergency broadcast of the area is always capable of being received correctly.

公开(公告)号：US4603370A

公开(公告)日：1986-07-29

申请号：US657377

申请日：1984-10-03

申请人： Kazuyoshi Imazeki ,  Nobuaki Yokoyama

发明人： Kazuyoshi Imazeki ,  Nobuaki Yokoyama

IPC分类号： H01H47/10 ,  H01H47/22

CPC分类号： H01H47/22 ,  H01H47/10 ,  Y10T307/97

摘要： A power-saving relay circuit for reducing power consumption from a power supply comprises a relay including a selectively energizable relay coil, a plurality of movable contactors, and a plurality of fixed contacts including first and second fixed contacts associated with each of the movable contactors. Each of the movable contactors is normally in electrical contact with the first fixed contact and responsive to energization of the relay coil for breaking the electrical contact with the first fixed contact and for making electrical contact with the second fixed contact. A current limiting circuit is coupled in electrical series circuit intermediate a selected one of the second fixed contacts and the relay coil. The movable contactor associated with the selected one of the second fixed contacts is capable of being coupled in circuit with the power supply for completing an electrical circuit through the current limiting circuit for energizing the relay coil.A method is also provided for reducing power consumption from a power supply by a relay of the type described above. This method comprises providing a current limiting circuit in series circuit intermediate one end of the relay coil and a selected one of the second fixed contacts; and coupling the movable contactor associated with the selected second fixed contact with the power supply.

摘要翻译： 一种用于降低电力消耗功率的节电继电器电路包括一个继电器，它包括一个选择性激励的继电器线圈，多个可动接触器，以及多个固定触点，包括与每个可动接触器相关联的第一和第二固定触点。 每个可动接触器通常与第一固定触点电接触，并且响应于继电器线圈的通电，以断开与第一固定触头的电接触并与第二固定触点电接触。 电流限制电路耦合在第二固定触点和继电器线圈中的所选择的一个中的电串联电路中。 与所选择的第二固定触点相关联的活动接触器能够与用于通过用于对继电器线圈供电的限流电路完成电路的电源进行电路耦合。 还提供了一种用于通过上述类型的继电器降低来自电源的功率消耗的方法。 该方法包括在继电器线圈的一端和所选择的第二固定触点之间的串联电路中设置限流电路; 以及将与所选择的第二固定触点相关联的可动接触器与电源耦合。

公开(公告)号：US20060057986A1

公开(公告)日：2006-03-16

申请号：US11070120

申请日：2005-03-02

申请人： Kiyoshi Wakui ,  Nobuaki Yokoyama ,  Kazuo Kawai

发明人： Kiyoshi Wakui ,  Nobuaki Yokoyama ,  Kazuo Kawai

IPC分类号： G01S13/00 ,  H04B1/18

CPC分类号： H04B1/28

摘要： With the objective of providing a scanning receiver capable of capturing a target radio wave in an extremely short period of time by use of a simple constituting means, a plurality of wide frequency division bands in which a full frequency range is divided into predetermined frequency ranges are set and the field intensities of received radio waves are retrieved using the output of an intermediate frequency amplifier circuit over the set wide frequency division bands in order. Further, when a received radio wave having a field intensity greater than or equal to a prescribed level is obtained upon the above retrieval, receive frequencies are swept from one end of each of the wide frequency division bands to the other end thereof. When a target radio wave can be captured upon the above sweeping, transition to the operation of receiving the target radio wave is performed. When the target radio wave is not obtained, the retrieval of field intensities of received radio waves and the sweeping of receive frequencies following the retrieval are performed over the non-retrieved wide frequency division bands in a sequential order to capture the corresponding target radio wave.

摘要翻译： 为了提供能够通过简单的构成装置在极短时间内捕获目标无线电波的扫描接收机，其中全频率范围被划分成预定频率范围的多个宽频分频带是 使用中频放大器电路的输出在所设定的宽分频带上依次检索接收的无线电波的场强度。 此外，当在上述检索中获得具有大于或等于规定电平的场强的接收无线电波时，接收频率从每个宽频带的一端扫到其另一端。 当在上述扫描中可以捕获目标无线电波时，执行转换到接收目标无线电波的操作。 当没有获得目标无线电波时，按照顺序的顺序在非检索的宽频带上执行接收的无线电波的场强度的检索和检索之后的接收频率的扫描，以捕获相应的目标无线电波。

公开(公告)号：US06377020B1

公开(公告)日：2002-04-23

申请号：US09634419

申请日：2000-08-08

申请人： Nobuaki Yokoyama

发明人： Nobuaki Yokoyama

IPC分类号： H01M1046

CPC分类号： H01M6/5066 ,  H01M2/1016 ,  H01M2/20 ,  H01M2/30 ,  H01M2/34 ,  H01M10/46 ,  H02J7/0036 ,  H02J7/0045

摘要： A power supply unit which has charging function enables error charging of a non-charged-type battery to be prevented, which battery is used as a power supply of an electric circuit device. Such the power supply unit is materialized with simple constitution and a low price. The power supply unit in the electric circuit device includes an external power supply connecting power supply jack, a protection circuit, and so forth. A charged-type battery case is provided with a positive electrode terminal of the power supply unit, a positive terminal corresponding to a first and a second negative electrode terminals, and a first and a second negative terminals. While a non-charged-type battery case is only provided with a positive terminal and a first negative terminal. A terminal corresponding to the second terminal is not provided for the non-charged-type battery case. Consequently, when the charged-type battery is employed, the charged-type battery is charged on the occasion of connection of the external battery, while the non-charged-type battery is not charged as the non-charged-type battery is employed, it is capable of preventing failure charging of the non-charged-type battery.

摘要翻译： 具有充电功能的电源单元能够防止非充电型电池的错误充电，该电池用作电路装置的电源。 电源单元的结构简单，价格低廉。 电路装置中的电源单元包括连接电源插座的外部电源，保护电路等。 带电型电池壳体设置有电源单元的正极端子，对应于第一和第二负极端子的正极端子以及第一和第二负极端子。 虽然非充电型电池盒仅具有正极端子和第一负极端子。 对于非充电型电池壳体，不设置对应于第二端子的端子。 因此，当使用充电型电池时，在连接外部电池的情况下对带电型电池进行充电，而当采用非充电型电池时，非充电型电池未充电， 能够防止非充电型电池的故障充电。

公开(公告)号：US4797636A

公开(公告)日：1989-01-10

申请号：US853846

申请日：1986-06-20

申请人： Kazuyoshi Imazeki ,  Nobuaki Yokoyama

发明人： Kazuyoshi Imazeki ,  Nobuaki Yokoyama

IPC分类号： G01R15/00 ,  G01R29/26 ,  H03G3/20 ,  H03G3/34 ,  H03J7/06 ,  H03B21/02

CPC分类号： H03G3/3052 ,  G01R15/005 ,  G01R29/26 ,  H03G3/345 ,  H03J7/065

摘要： A radio receiver includes a noise blanking system comprising a switching circuit in the signal path which is responsive to a blanking signal for preventing passage of signals. A blanking signal producing circuit is in the signal path ahead of the switching circuit and is responsive to predetermined noise signals received by the radio receiver for producing the blanking signal. The receiver also includes an AGC circuit for producing a gain control signal and a signal strength meter coupled for response to the gain control signal. A linearity control system comprises a current controlling circuit responsive to a meter control signal for controlling the current flow through the meter so as to increase the range of linear response of the meter. A signalling circuit is coupled with the AGC circuit and with the current controlling circuit and is responsive to the gain control signal for producing the meter control signal. A tuning system for the receiver comprises a first local oscillator responsive to first oscillator control signals for varying the frequency of first oscillator signals over a first range at first increments. A second local oscillator normally produces a second oscillator signal at a fixed frequency. A frequency varying circuit is coupled with the second oscillator and responsive to second oscillator control signals for varying the frequency of the second oscillator signals over a second range at second increments which are smaller than the first increments. A control circuit produces the first and second oscillator control signals.

摘要翻译： 无线电接收机包括噪声消隐系统，其包括信号路径中的切换电路，其响应消隐信号以防止信号通过。 消隐信号产生电路处在切换电路之前的信号路径中，并且响应于由无线电接收机接收的预定的噪声信号以产生消隐信号。 接收机还包括用于产生增益控制信号的AGC电路和耦合以响应于增益控制信号的信号强度计。 线性控制系统包括响应于仪表控制信号的电流控制电路，用于控制通过仪表的电流，以增加仪表的线性响应范围。 信号电路与AGC电路和电流控制电路耦合，并响应于增益控制信号产生仪表控制信号。 用于接收机的调谐系统包括响应于第一振荡器控制信号的第一本地振荡器，用于以第一增量在第一范围上改变第一振荡器信号的频率。 第二本地振荡器通常以固定频率产生第二振荡器信号。 变频电路与第二振荡器耦合，并且响应于第二振荡器控制信号，用于以小于第一增量的第二增量在第二范围上改变第二振荡器信号的频率。 控制电路产生第一和第二振荡器控制信号。

公开(公告)号：US4525718A

公开(公告)日：1985-06-25

申请号：US471895

申请日：1983-03-03

申请人： Kazuyoshi Imazeki ,  Nobuaki Yokoyama

发明人： Kazuyoshi Imazeki ,  Nobuaki Yokoyama

IPC分类号： H01Q1/10 ,  H01Q1/24 ,  H01Q1/50

CPC分类号： H01Q1/10 ,  H01Q1/244 ,  H01Q1/50

摘要： An antenna defines a coaxial connector receptacle when the antenna is in a fully retracted position.

摘要翻译： 当天线处于完全缩回位置时，天线限定同轴连接器插座。

公开(公告)号：US20070281618A1

公开(公告)日：2007-12-06

申请号：US11757036

申请日：2007-06-01

申请人： Nobuaki Yokoyama

发明人： Nobuaki Yokoyama

IPC分类号： H04B7/00

CPC分类号： H03J1/005 ,  H03J1/0091

摘要： The present invention provides a transmitter-receiver for short-range wireless transmission, which comprises a frequency scan signal receiving section that searches a vacant channel frequency by frequency scanning of a receiving wave, and a signal transmitting section that transmits a transmitting wave using the searched vacant channel frequency. The frequency scan signal receiving section sequentially changes a frequency of a PLL oscillator by control of a controller to thereby search the presence or absence of a receive frequency lying in a predetermined frequency band depending on an output state of a carrier detector. When the controller detects a vacant channel frequency, the frequency scan signal receiving section fixes the oscillation frequency of the PLL oscillator to an oscillation frequency corresponding to the vacant channel frequency and supplies the fixed oscillation frequency to the signal transmitting section. The signal transmitting section forms a transmit signal with the supplied oscillation frequency as a local oscillation signal and transmits the transmit signal having the same channel frequency as the vacant channel frequency as a transmitting wave.

摘要翻译： 本发明提供了一种用于短距离无线传输的发射机 - 接收机，其包括：频率扫描信号接收部分，其通过接收波的频率扫描来搜索空闲信道频率;以及信号发射部分，其使用所搜索的 空闲频道频率。 频率扫描信号接收部分通过控制器的控制顺序地改变PLL振荡器的频率，从而根据载波检测器的输出状态来搜索存在或不存在位于预定频带中的接收频率。 当控制器检测到空闲信道频率时，频率扫描信号接收部分将PLL振荡器的振荡频率固定为与空闲信道频率相对应的振荡频率，并将固定振荡频率提供给信号发送部分。 信号发送部分以所提供的振荡频率形成发送信号作为本地振荡信号，并将与空信道频率相同的信道频率的发送信号作为发送波发送。