距离计测装置及距离计测方法;DISTANCE MEASURING DEVICE AND DISTANCE MEASURING METHOD

摘要

本发明系具备有：传送接收部11，对于由距离计测装置1及节点2、3所构成之网路系统的节点2、3，在距离计测装置1与节点2、3之间的距离计测处理中传送指令20，且接收属于从节点2、3对指令20之应答的回应21；以及距离计测控制部12，在距离计测处理开始时对于传送接收部11指示指令20之传送，并计测从传送指令20起至接收回应21为止之时间，且由计测时间算出距离计测装置1与节点2、3之间的距离；其中距离计测控制部12系根据所算出之距离，决定从指令20之传送起至距离之算出为止之距离计测处理的重复次数。; and a distance measuring control unit 12 instructing the transmitting and receiving unit 11 to transmit the command 20 when the distance measuring processing is started, measuring the period from the transmission of the command 20 to the receiving of the response 21, and calculating the distance between the distance measuring device 1 and the nodes 2 and 3 from the measured period; wherein the distance measuring control unit 12 determines the repeating number of the distance measuring processing from the transmission of the command 20 to the calculation of the distance according to the calculated distance.