Location management manner null of mobile inside

摘要

PURPOSE: To manage the location of a moving body going in/out to/from a management section. ;CONSTITUTION: Identification(ID) cards 6, 16 to be remotely read out are fixed to respective moving bodies such as a person 3a and a vehicle 3b going in/out to/from a management section 1 such as a tunnel construction field. The section 1 is divided into plural small sections la and movement between plural small sections 1a and movement between a small section la and the outside of the section 1 are restricted only to respective entrance/exit gates 25 having ID card reading means 7, 17 and moving body IN/OUT direction detecting means 8, 18. The location of each moving body in the section 1 is managed from a small section 1a corresponding to the detection of the newest IN direction movement of each moving body on each entrance/exit gate 25.;COPYRIGHT: (C)1995,JPO