| Access Control |
- Security Surveillance |
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Access control
This
is not usually used in homes, but it could be. Most of the time its
used commercially and in apartment buildings. I would venture to say
that just about everybody has run into some sort of access control
before. Whenever you get buzzed into an apartment building or swipe
your card at work to open a door or maybe even type in a code to get
through a door. This is access control. Your access to that apartment
or into your companies building or office is being controlled via voice
communication, a code, or a card reader which sends a little bit of
electricity to a door strike on the door and allows you to open it.
Some places even go a few steps further, but it is all access control.
Now that I think about it is used in house, well at least garages
anyway. Your garage door opener is a form of access control. We usually
wont install one but they are a widely used example of access control. |
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