The invention relates to the technical field of RFID, in particular to an automatic alarm device capable of measuring distance between vehicles. The device comprises a distance measuring device and a comprehensive control device. The distance measuring device is connected with the comprehensive control device. The distance measuring device is an RFID distance measuring sensor. The comprehensive control device comprises a comparison unit, an alarm control panel and a loudspeaker, wherein the comparison unit is connected with the alarm control panel which is connected with the loudspeaker. The automatic alarm device capable of measuring the distance between vehicles is accurate in measuring, timely in alarming, and safe.
Automatic alarm device capable of measuring distance between vehicles
29.04.2015
Patent
Elektronische Ressource
Englisch
IPC: | B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein |
Electric vehicle speed measuring device capable of giving alarm timely
Europäisches Patentamt | 2020
|Portable distance measurement alarm device suitable for vehicles running on expressway
Europäisches Patentamt | 2022
|INTER-VEHICLE DISTANCE ALARM AND COLLISION ALARM DEVICE
Europäisches Patentamt | 2018
|APPARATUS AND METHOD FOR MEASURING DISTANCE BETWEEN VEHICLES
Europäisches Patentamt | 2019