Improvements introduced into patent No. 9101239 relating to a sound and visual alert system for motor vehicles regarding traffic conditions.

摘要

Improvements introduced into patent No. 9101239 relating to a sound and visual alert system for motor vehicles regarding traffic conditions. It has at least one message "recorder module" and two "playback modules", the first consisting of a set of means of receiving signals that are selected for retransmission one way to the "playback modules" which in turn form an audio frequency receiving and recording system. The signals are transmitted in the form of messages from the "playback modules" in serial or parallel form. <IMAGE>