by sriman58 (Chennai, India) February 3rd 2012

since: 02/03/2012, Brain-fu: 120

A very good idea.May B a small beeper may alert the incumbent on stepping on it.May b connected to a speaker system too.There are many types infrared devices.

by Abishek (Chennai, India) January 21st 2012

since: 01/21/2012, Brain-fu: 219

A door bell is suitable, i guess....It may recogonise finger prints and give a 'siren' in case of strangers.

by rajanandhini (Coimbatore, India) July 15th 2011

since: 07/15/2011, Brain-fu: 163

set touch sensitive screen in the part of door

by kushyash7 (Navi Mumbai, India) November 9th 2010

since: 11/09/2010, Brain-fu: 223

Its a good idea but Can you say that is practical because there
are already cameras that can be fitted outside the doors that can recognize strangers.The technology is already under implementation .

by Sourik (Kolkata, India) September 17th 2010

since: 09/16/2010, Brain-fu: 150

well,this mat should have a feature which recognizes shoe patterns and sizes of those parties known to the owner and accept it into its database.every time an individual comes along who is known to the owner of the house,the owner can switch it to acceptance mode from alert mode,so that another addition is made into the database.the alarm sounds when a match when the mat is on alert and a match isn't found .