Utility meter remote automatic reading system

摘要: A digital data processing and communications system for a remote utility meter acquisition is disclosed. The employs an electronic interrogator which may be either mobile or fixed. transmits encoded interrogation message to designated fixed reply station associated with meter. Upon receipt of properly authenticated interrogation, the reading back interrogator. so designed that when more than one within range message, only addressed in will transmit reply. Thus, interrogating operation carried out many stations are interrogated successive order, each transmitting its turn. Transmission between various via radio link, acoustic electric power line, combination thereof.