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1. 发明授权

US5606737A Oscillator mixer and a multiplier mixer for outputting a baseband signal based upon an input and output signal 失效
标题翻译：振荡器混频器和用于基于输入和输出信号输出基带信号的乘法器混频器
公开(公告)号：US5606737A
公开(公告)日：1997-02-25
申请号：US28552
申请日：1993-03-08
申请人： Hiroshi Suzuki , Hiroyuki Sogou , Kenichi Kudo , Yoshihiro Miura , Kiyokazu Sugai , Masayoshi Shono , Hideki Shiratori
发明人： Hiroshi Suzuki , Hiroyuki Sogou , Kenichi Kudo , Yoshihiro Miura , Kiyokazu Sugai , Masayoshi Shono , Hideki Shiratori
IPC分类号： G01S7/02 , G01S7/03 , G01S13/34 , G01S13/60 , G01S13/87 , G01S13/93 , H01P5/107 , H03B1/00 , H03B5/18 , H03B19/18 , H03C3/22 , H03D9/06 , H04B1/30 , H04B1/26
CPC分类号： H01P5/107 , G01S13/34 , G01S7/032 , H03B5/1852 , G01S13/345 , G01S13/60 , G01S13/87 , G01S2013/9375 , H03B19/18 , H03B2200/004 , H03B2201/014 , H03C3/22 , H03D9/0658 , H04B1/30
摘要： In a structure adopted for an FM-CW radar, a corner waveguide for connecting each of transmission and reception antennas to a sensor unit is integrated with a sensor unit case. In a waveguide/strip line converter for converting the transmission mode between the waveguide and the strip lines in the circuits of the sensor unit, a ditch is dug in the inner wall of an opening of the waveguide in order to prevent oozing of conductive adhesive. The strip line board is abutted on the inner wall of the waveguide in order to restrict a length of a projecting portion of a line conductor on the strip line board. By employing an oscillator mixer or a multiplier mixer, the circuitry in the sensor unit can be simplified without using lots of expensive millimeter wave devices. Furthermore, power can be utilized effectively even when a switching radar is off, which enables measurement of an absolute speed. Moreover, cost reduction can be achieved.
摘要翻译：在FM-CW雷达采用的结构中，将传输和接收天线中的每一个连接到传感器单元的角波导与传感器单元壳体集成。在用于转换传感器单元的电路中的波导和带状线之间的传输模式的波导/带状线路转换器中，在波导的开口的内壁中挖出沟，以防止导电粘合剂的渗出。带状线路板抵接在波导管的内壁上，以限制带状线路板上的线路导体的突出部分的长度。通过采用振荡器混频器或乘法器混频器，可以简化传感器单元中的电路，而无需使用大量昂贵的毫米波器件。此外，即使切换雷达关闭，也能够有效地利用功率，能够测量绝对速度。此外，可以实现成本降低。

2. 发明授权

US06969999B2 Moving object detection apparatus 有权
标题翻译：移动物体检测装置
公开(公告)号：US06969999B2
公开(公告)日：2005-11-29
申请号：US10627581
申请日：2003-07-24
申请人： Choichiro Tsuchihashi , Yoshihiro Sasaki , Hideki Shiratori
发明人： Choichiro Tsuchihashi , Yoshihiro Sasaki , Hideki Shiratori
IPC分类号： H01Q13/08 , G01R27/02 , G01R27/04 , G01S7/03 , G01S13/00 , G01S13/36 , G01S13/50 , H01Q1/22 , H01Q1/38
CPC分类号： G01S13/56 , G01S7/35
摘要： A moving object detection apparatus in which an oscillating output, from a gate of an FET functioning as an oscillator, is coupled via a resonant line to a transmit-receive antenna, a wave, transmitted from the antenna and returned as a reflected wave, is received at the gate, and a beat signal component output from the gate, due to a phase difference between the transmitted wave and the reflected wave, is taken as a moving object detection signal.
摘要翻译：一种运动物体检测装置，其中来自用作振荡器的FET的栅极的振荡输出经由谐振线耦合到发射 - 接收天线，从天线发射并作为反射波返回的波是在门处接收，并且由于发射波和反射波之间的相位差而从门输出的拍子信号分量被作为移动物体检测信号。

3. 发明授权

US5506585A Continuous wave radar effective for preventing collision of mobile object 失效
标题翻译：连续波雷达有效防止移动物体的碰撞
公开(公告)号：US5506585A
公开(公告)日：1996-04-09
申请号：US272261
申请日：1994-07-08
申请人： Hideki Shiratori
发明人： Hideki Shiratori
IPC分类号： G01S13/60 , G01S7/285 , G01S7/35 , G01S13/524 , G01S13/62 , G01S13/93 , G01S13/36
CPC分类号： G01S13/62 , G01S13/931 , G01S2013/9325 , G01S7/352
摘要： A continuous wave radar for detecting a relative velocity between a target and a mobile object where the radar is loaded, and for detecting whether the mobile object is relatively approaching to or separating from the target. The radar has a hybrid circuit for branching an oscillation signal of a fixed frequency outputted from an oscillator into two oscillation signals. A transmitting antenna is provided for irradiating one of the oscillation signals branched by the hybrid circuit, and a receiving antenna is provided for receiving radio waves reflected from the target. The continuous wave radar further has an image cancel mixer for detecting, on the basis of the frequency of the other oscillation signal branched by the hybrid circuit, a first signal of an upper sideband frequency and a second signal of a lower sideband frequency of the received signal obtained via the receiving antenna. A signal processing circuit is provided for detecting the relative velocity of the mobile object to the target by processing the first and second signals, and detecting a relative approach of the target by processing the first signal or detecting a relative separation of the target by processing the second signal.
摘要翻译：一种连续波雷达，用于检测载入雷达的目标和移动物体之间的相对速度，以及用于检测移动物体是否相对接近或与目标分离。雷达具有用于将从振荡器输出的固定频率的振荡信号分支为两个振荡信号的混合电路。提供发射天线用于照射由混合电路分支的振荡信号之一，并且提供接收天线用于接收从目标反射的无线电波。连续波雷达还具有图像去除混频器，用于根据由混合电路分支的其它振荡信号的频率，检测接收到的上边带频率的第一信号和下边带频率的第二信号通过接收天线获得的信号。提供了一种信号处理电路，用于通过处理第一和第二信号来检测移动对象与目标的相对速度，并且通过处理第一信号来检测目标的相对方法，或者通过处理该目标来检测目标的相对分离第二信号。

4. 发明授权

US06429807B2 FM-CW radar equipment 有权
标题翻译： FM-CW雷达设备
公开(公告)号：US06429807B2
公开(公告)日：2002-08-06
申请号：US09754776
申请日：2001-01-04
申请人： Hideki Shiratori , Naoki Motoni
发明人： Hideki Shiratori , Naoki Motoni
IPC分类号： G01S740
CPC分类号： G01S7/40 , G01S13/34
摘要： FM-CW radar equipment to solve a conventional problem of failure detection caused by the carrier level of amplitude modulation dispersing too largely to adjust to a constant level within a criterion range. A novel method is applied based on that a noise level greatly varies on occurrence of a failure in radio-frequency circuit. A failure can be detected by comparing the varied noise level with a noise level in normal condition. using this method, FM-CW radar equipment can be configured with a simple structure for detecting a failure in transmission/reception circuit. The equipment provides with a noise-level extraction circuit in radio-frequency circuit, and a comparator for comparing an output of the noise-level extraction circuit with a predetermined criterion value. An alarm is output when the comparator detects the output of the noise-level extraction circuit decreases to less than the predetermined criterion value.
摘要翻译： FM-CW雷达设备解决了传统的故障检测问题，由载波电平引起的幅度调制分散太大，无法在标准范围内调整为恒定电平。基于射频电路故障发生时噪声水平变化很大的应用了一种新颖的方法。通过将变化的噪声电平与正常条件下的噪声电平进行比较可以检测到故障。采用这种方法，FM-CW雷达设备可以配置简单的结构，用于检测发射/接收电路故障。该设备在射频电路中提供噪声电平提取电路，以及用于将噪声电平提取电路的输出与预定标准值进行比较的比较器。当比较器检测到噪声电平提取电路的输出降低到小于预定标准值时，输出报警。

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