73630167
Nov 13, 1986
Nov 22, 1988
SECURITY SYSTEM COMPRISING A VEHICLE IDENTIFICATION, CODED, R.F. TRANSMITTER MOUNTED IN A VEHICLE AND AN R.F. RECEIVER AS A DECODER AND LOCATED AT A BASE TO PROVIDE, THROUGH A COMPUTER, INFORMATION CONCERNING THE VEHICLE, WHICH INFORMATION CAN BE USED TO CONTROL THE VEHICLE'S ACCESS INTO RESTRICTED PARKING AND OTHER SECURITY AREAS
Electrical and Scientific Apparatus