EMERGENCY REPORTING SYSTEM FOR ROLLING STOCKS

摘要

PROBLEM TO BE SOLVED: To provide an emergency reporting system for rolling stocks, which needs only a small number of interconnection lines, and enables emergency voice communications. ;SOLUTION: Interconnection lines 329 and 330 are used for transmitting emergency voice communication between a crew's terminal and a passenger room terminal, while the line 330 is used for transmitting an input signal for an emergency report from the terminal of the passenger room 3 to the crew's terminal, and an interconnection line 1301 is used for transmitting an emergency report confirming signal and an emergency report releasing signal from the crew's terminal to the passenger room terminal 3. The passenger room terminal 3 is provided with a confermation detecting circuit area 37 and releasing detecting circuit area 38, so that signals of the line 1301, that is a hook-up and hook-down signals of a handset of the crew's terminal, are recognized as the emergency report confirming signal and emergency report releasing signal respectively.;COPYRIGHT: (C)1997,JPO