13-10-2010, 01:04 PM
CI-01_Aug07.pdf (Size: 103.49 KB / Downloads: 251)
MOBILE SHIELD circuits
D. MOHAN KUMAR
MOBILE SHIELD MALAYAPPASAMY
Abstract:
Protect your mobile phone from unauthorized use or theft using this simple circuit. It can generate a loud chirping sound when somebody attempts to take away the mobile handset. The added feature is that the circuit also works as a mobilecapacitor