| 摘要 |
PROBLEM TO BE SOLVED: To provide an in-car information transmission system efficiently introducing a plurality of systems in cars while making information transmission in the cars efficient.SOLUTION: A car information transmission system comprises: a monitor system monitoring s state of an apparatus installed in each of cars constituting a train; and a guide display system displaying guidance to passengers in each car. Transmission terminals 11 through 18 installed to each car collect monitor information indicating the state of each apparatus installed to the cars, transmit trigger information becoming a trigger for causing the monitor information and a guide display device to display an image via a trunk line transmission line M laid through all the cars of the train and transmit the trigger information transmitted via the trunk line transmission line M to guide display devices (in-car displays 41 through 48) connected branch line transmission lines b1 through b8 in the cars. Each guide display device holds image data capable of being displayed in a memory and causes the image data selected on the basis of the trigger information to be displayed on a display section. |
