公开(公告)号：US11294057B2

公开(公告)日：2022-04-05

申请号：US16127256

申请日：2018-09-11

申请人： OMRON Corporation

发明人： Yusuke Iida ,  Ryosuke Tsuzuki ,  Shoichi Ohnaka ,  Koji Iguchi ,  Osamu Harada

IPC分类号： G01S17/14 ,  G01S7/4865 ,  G01S7/4861 ,  G01S17/10 ,  G01S17/88 ,  G01S7/487 ,  G06F16/248

摘要： A displacement sensor includes an emitting unit periodically emitting pulse signals; a receiving unit receiving reflection signals generated from the pulse signals and reflected by an object and outputs binary signals that indicate signal intensity of the received reflection signals; a waveform summation unit generating a summation waveform by accumulating temporal waveforms of the binary signals for the respective corresponding periods of time with reference to emission timings of the corresponding pulse signals; a distance calculation unit calculating a value that indicates a distance to the object on the basis of waveform features corresponding to waveform features of the pulse signals that appear in the summation waveform; and a reception signal amount calculation unit calculating a reception signal amount that is intensity of the reflection signals received by the receiving unit on the basis of feature amounts indicated by cumulative values that appear in the summation waveform.

公开(公告)号：US11506787B2

公开(公告)日：2022-11-22

申请号：US16639128

申请日：2018-06-28

申请人： OMRON Corporation

发明人： Shoichi Ohnaka ,  Yusuke Iida ,  Ryosuke Tsuzuki ,  Koji Iguchi ,  Osamu Harada

IPC分类号： G01S17/42 ,  G01S7/487 ,  G01S17/08 ,  G01S17/50 ,  G01S17/00

摘要： A sensor device measuring a distance to an object includes: a light projection unit repeatedly emitting detection light toward the object; a light reception unit receiving reflected light of the detection light and outputting a binarized light reception signal (RT); a light projection oscillation unit controlling the emission of the detection light and outputting a start signal synchronized with the emission of the detection light; a counter measurement unit starting counting of the RT when receiving the RT and the start signal, and outputting a stop signal corresponding to a feature point of the RT; a delay line measurement unit outputting a delay line output signal corresponding to the delay time of the RT near the feature point of the RT when receiving the RT and the stop signal; and a distance calculation unit calculating the distance to the object based on the delay line output signal.

公开(公告)号：US09291497B2

公开(公告)日：2016-03-22

申请号：US14051505

申请日：2013-10-11

申请人： OMRON CORPORATION

发明人： Yusuke Iida ,  Koji Iguchi ,  Hideyuki Kishiba ,  Kiyohiko Gondo

IPC分类号： G01J1/42 ,  G01S17/02 ,  G01S17/87 ,  G01S7/00 ,  G01S7/497 ,  G01S7/481 ,  H04L12/40 ,  H03K17/94 ,  G01V8/20

CPC分类号： G01J1/4228 ,  G01S7/003 ,  G01S7/4818 ,  G01S7/497 ,  G01S17/026 ,  G01S17/87 ,  G01V8/20 ,  H03K17/941 ,  H03K17/943 ,  H03K2217/94094 ,  H03K2217/94104 ,  H03K2217/94108 ,  H04L12/40019 ,  H04L12/4015

摘要： In a sensor system including a plurality of photoelectric sensor units, a light projecting period arbitrarily determined in each type is provided and mutual interference is prevented between identical types. The sensor system includes the plurality of sensor units coupled by a connector unit while a signal can be transmitted. Each of the sensor units retains type information thereof, and sets a unique identification number by transmitting the signal to each other. Each sensor unit operates after a delay time determined according to the identification number thereof elapses with a synchronous signal as a starting point. The synchronous signal is transmitted with a predetermined period from the sensor unit having a specific identification number in the plurality of sensor units. The delay time of each sensor unit is determined such that an operating period is matched with a predetermined period determined in each piece of the type information.

摘要翻译： 在包括多个光电传感器单元的传感器系统中，提供以各种方式任意确定的光投射周期，并且在相同类型之间防止相互干扰。 传感器系统包括通过连接器单元耦合的多个传感器单元，同时可以传输信号。 每个传感器单元保留其类型信息，并通过彼此发送信号来设置唯一的识别号。 每个传感器单元在以同步信号作为起始点的经过识别号码的延迟时间之后运行。 在多个传感器单元中具有特定标识号的传感器单元以预定周期发送同步信号。 确定每个传感器单元的延迟时间，使得操作周期与在每个类型信息中确定的预定时间段匹配。