Communications: electrical – Continuously variable indicating – With meter reading
Patent
1990-02-20
1990-12-25
Yusko, Donald J.
Communications: electrical
Continuously variable indicating
With meter reading
307 105, 307 103, 34082534, 310313R, E05B 4900, B60R 2500, G01S 956
Patent
active
049806807
ABSTRACT:
A theft resistant security system for motor vehicles. The system has a receptacle with a coupling coil. A surface acoustical wave device associated with the receptacle for relative movement thereto is also provided. The SAW device has a code and its own coupling coil for interaction with the receptacle coupling coil. A testing mechanism is connected to the receptacle for determining whether the code of the SAW device is valid for operation of the motor vehicle.
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Knoll William C.
McColl James R.
GTE Products Corp. and GTE Laboratories, Inc.
Pudpud Eric O.
Yusko Donald J.
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