Figure 1 (a)
Figure 1 (b) Figures shown here are imaginary . |
In today's world security has become major issue . Lets
take a simple scenario of an office of VVIP . We will develop a full
computerized security check point at main gate . Suppose Mr. X comes to
meet Mr. A (Secretary of Mr. VVIP) . When he comes at main gate , a wrist
band will be tied on his hand , which will be then locked with the help of
computer and data regarding whom he wants to meet will be entered in the
computer . Now computer will keep track of that person as per the data
entered . Suddenly Mr. X instead of moving towards Mr. A's room starts
moving towards Mr. VVIP's room . Then computer will itself send some
signals or alarm the nearest security personnel available and that person
can be stopped . At the same time person sitting in control room can also
see the movement on monitor , which can be shown in form of 'dot' or
else .
In figure 1 (a) AT is assumed as a transmitter and red
lines are assumed as signals and figure 1 (b) is assumed as a receiver
showing movement in graphical mode .Thus solution consists of a transmitter (to send signals to the receiver ) , a receiver (to capture the
signals so that computer can do the processing) and wrist band/s (to
communicate with transmitter) . The receiver can be located in your house.
Transmitters should be located at prescribed areas . If a person (wearing
a wrist band) crosses the transmitter, it will send a radio signal back to
the receiver in the house. |
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The recent emphasis on security in workplaces and living localities has resulted
in a vast increase in the proportion of buildings to which building-access is
regulated. Some of these merely require a key, or presentation of a token. One example of such a mechanism is contactless
chip-cards. These depend on movement of the card through a magnetic field, which
induces a current in the antenna embedded in the card, and enables the card to
process data, and to transmit data. This technology is valuable in contexts
where human movement is brisk and occurs in large volumes, such as entry and
exit barriers in mass transit systems. This can be helpful to big organisations
, banks etc. where identity of person is checked before letting him inside the
building .
A contactless card operating in that manner is an example of a 'transponder'. A
transponder is a device that, on receiving a particular signal, automatically
responds. The response may be to amplify and re-transmit the same signal; or to
transmit some predetermined message; or to transmit a message whose content is
determined by a program running in a processor available to the transponder. For
location and tracking purposes, transponders can be readily designed to transmit
an identifier, and/or an indicator of location.
This system can also be installed in Hospitals but with some modifications (with
use of IVR
solution ) like :
A band will be tied on Doctor's hand , who is (lets say) on top floor of
building .And he is urgently required in (suppose) Room No. 10 . Now a nurse can dial to
main
Computer and store the message for him . Then this system will automatically
trace doctor
and alert him with beep sound (means that he has a message) , then that doctor
can immediately
dial from the nearest phone to this Computer by putting his code no. and thus
can listen
to the message .
This system is not only restricted to above two situations , it can be used in
many places
with modifications as per the requirement . Like it can be helpful in a "Huge"
parking place
by helping the visitor to find his/her car or even in an Amusement Park where
the security
guards want to know (before closing the park) that how many persons are still
inside and even
to get rough idea that where they can be .
Lets take another scenario of security , terrorists attacked a house of Mr. X .
He has a security system in form of a button (called as panic button) connected
with nearest Police Station . The receiver is used which informs the police
personnel that who has pressed the panic button on the transmitter and thus
police immediately reaches at that spot. These systems can be modified to
support firefighters etc.
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