公开(公告)号：US20150295738A1

公开(公告)日：2015-10-15

申请号：US14669093

申请日：2015-03-26

Applicant: DENSO CORPORATION ,  NIPPON SOKEN, INC.

Inventor： Hiroyuki MORI ,  Keiji SHIGEOKA ,  Hideki KASHIMA ,  Tomohisa KISHIGAMI

IPC: H04L25/49 ,  H04B3/54

CPC classification number: H04L25/4902 ,  H04B3/54

Abstract: Each of nodes in a communication system includes a pull-up circuit connected between a power source and a transmission line and a switching portion connecting and disconnecting the transmission line and a ground line. One of the nodes is a master node, and the others of the nodes are slave nodes. The driver circuits are driven so that the master node constantly outputs the transmission code of logic 1 and the slave node outputting the transmission code of logic 0 extends the width of the low level of the transmission code of logic 1 on the transmission line. The master node further includes a current limiting section limiting an electric current that flows to the transmission line via the pull-up circuit based on at least a signal level of the transmission line.

Abstract translation: 通信系统中的每个节点包括连接在电源和传输线之间的上拉电路以及连接和断开传输线和接地线的切换部分。 其中一个节点是主节点，其他节点是从节点。 驱动电路被驱动，使得主节点不断输出逻辑1的发送代码，并且输出逻辑0的发送代码的从节点在传输线上扩展逻辑1的发送代码的低电平的宽度。 主节点还包括电流限制部分，其基于至少传输线的信号电平，限制经由上拉电路流到传输线的电流。

公开(公告)号：US20140140390A1

公开(公告)日：2014-05-22

申请号：US14083814

申请日：2013-11-19

Applicant: ANDEN CO., LTD. ,  DENSO CORPORATION

Inventor： Hideki KASHIMA ,  Tomohisa KISHIGAMI ,  Naoji KANEKO ,  Nobutomo TAKAGI

IPC: H04L25/49

CPC classification number: H04L25/4902 ,  H04L7/041 ,  H04L7/065

Abstract: A communication apparatus includes a detecting unit, a process performing unit, and a range setting unit. The detecting unit detects a boundary pattern periodically appearing between codes in a binary coded signal transmitted through a transmission line. The boundary pattern is information showing a boundary appearing between codes. The process performing unit performs a process in synchronization with timing of appearance of the boundary pattern. The range setting unit sets an allowance range which is set include timing at which it is estimated that the next boundary pattern appears. The timing is counted from the timing currently detected by the detecting unit. The detecting unit includes a section which detects the timing of appearance of the boundary pattern during the allowance range.

Abstract translation: 通信装置包括检测单元，处理执行单元和范围设置单元。 检测单元检测通过传输线传输的二进制编码信号中的码之间周期性出现的边界模式。 边界模式是显示代码之间出现边界的信息。 处理执行单元与边界图案的出现定时同步地执行处理。 范围设定单元设定允许范围，包括估计下一个边界图案出现的定时。 定时从检测单元当前检测到的定时开始计数。 检测单元包括在容许范围内检测边界图案的出现定时的部分。

公开(公告)号：US20150055696A1

公开(公告)日：2015-02-26

申请号：US14467203

申请日：2014-08-25

Applicant: DENSO CORPORATION

Inventor： Hideki KASHIMA ,  Tomohisa KISHIGAMI

IPC: H04L25/49 ,  H04B3/54

CPC classification number: H04L25/4902 ,  H04B3/542 ,  H04B3/548 ,  H04B14/026

Abstract: A communication system performs communication using a pulse width modulation code as a transmission code. The communication system includes a plurality of nodes that are connected via a transmission line to be capable of communicating with each other. Each of the nodes including a driver circuit. The driver circuit includes a transistor that enables and blocks conduction between the transmission line and a ground line. The plurality of nodes includes a master node and a slave node. The master node is one of the plurality of nodes. The slave node is at least one node other than the master node among the plurality of nodes. The master node includes a limiter that restricts, when the transistor of the driver circuit is turned off, changes in a conductive state of the transistor.

Abstract translation: 通信系统使用脉宽调制码作为发送码进行通信。 通信系统包括通过传输线连接以能够彼此通信的多个节点。 每个节点包括一个驱动电路。 驱动器电路包括一个能够和阻止传输线与接地线之间的导通的晶体管。 多个节点包括主节点和从节点。 主节点是多个节点之一。 从节点是多个节点之中的至少一个节点，而不是主节点。 主节点包括限制器，其限制当驱动器电路的晶体管截止时，晶体管的导通状态发生变化。

公开(公告)号：US20200382238A1

公开(公告)日：2020-12-03

申请号：US16874784

申请日：2020-05-15

Applicant: DENSO CORPORATION

Inventor： Hideki KASHIMA

IPC: H04L1/00

Abstract: In a communication apparatus, a specific bit is detected from a communication data decoded in a low-speed state of a communication speed. The specific bit is a bit having undergone an inverse change in a logical value. A signal waveform of the communication signal is acquired, which is recorded in a memory and corresponds to the specific bit. Then, a sampling point of the communication signal in a high-speed state of the communication signal is calculated based on (i) the acquired signal waveform and (ii) a logical value of the specific bit.

公开(公告)号：US20140169419A1

公开(公告)日：2014-06-19

申请号：US14134338

申请日：2013-12-19

Applicant: ANDEN CO., LTD. ,  DENSO CORPORATION

Inventor： Hideki KASHIMA ,  Tomohisa KISHIGAMI ,  Naoji KANEKO ,  Nobutomo TAKAGI

IPC: H04B1/40

CPC classification number: H04B1/40 ,  B60R16/03 ,  H04J3/0697 ,  H04L7/033 ,  H04L12/4035 ,  H04L25/03834 ,  H04L25/4902 ,  H04L2012/40215 ,  H04L2012/40273

Abstract: A transceiver that transmits and receives data used in a communication system, in which the data is encoded by a transmission line code and a signal level of the transmission code changes at a predetermined transition timing in a bit-duration. The transceiver includes: a clock generator that generates an internal clock used for internal circuits; a timing generator that generates, by using the internal clock generated by the clock generator, a timing signal synchronized to a reference clock supplied externally; an encoding circuit that encodes, by using the timing signal generated by the timing generator, a transmission data which is synchronized to the reference clock to be the transmission line code; and a waveform shaping unit that performs a waveform shaping of a waveform at the predetermined is transition timing of the transmission data to be based on the reference clock.

Abstract translation: 发送和接收在通信系统中使用的数据的收发器，其中数据由传输线码编码，并且传输码的信号电平在比特持续时间内在预定的转换定时改变。 收发器包括：产生用于内部电路的内部时钟的时钟发生器; 定时发生器，其通过使用由时钟发生器产生的内部时钟产生与外部提供的参考时钟同步的定时信号; 编码电路，通过使用由定时发生器产生的定时信号，将与基准时钟同步的发送数据编码为传输线路码; 以及在预定的波形整形处理波形的波形整形单元是基于参考时钟的发送数据的转换定时。