Chapter 1 Introduction
The door has been used for thousand years. However, the door evolution was
almost in variedly material, ex. the wood door and iron door. The criminal can easily
destroy the door or the door lock to entry the house, even the iron door was used in
every family.
In Taipei (2002), the criminal breaks into a home to steal the property and steal
the motorcycles were 89 percent among in thirty thousand cases of criminals stealth in
one year. Most crimes used the opportunity that the occupants are absent to break into
a home. Hence a usual door is security less in many families at present.
Although the security company can solve the above problems, the price is
expensively. They focus the inside situations in the home, not focus on a securely
door, and they need some persons to monitor the house situations every minute that is
the reason of high price. In addition to, some functions of the security system would
be closed when the occupant is at home, ex. door inside camera, windows opening
detection, cause of the occupant need the private and fresh air.
With the digital home trend, the evolution of the door need more securely and
intelligently for protecting the personal property and enhance security at home. For
example, a door camera is necessary to recode the crime; a beep can alarm
automatically when the crime occurring, and a security system can notify to the
occupant immediately when the door was broke by invaders…etc. On the other hand,
the entertainment is an important concept with the digital home.
For above reasons, this thesis proposes an intelligent entrance system which is an
ARM-based embedded system, which integrates a USB PC camera, an RFID[1]
module and a keypad. In addition to, the entrance system may be closed when
occupant is at home, the security functions may therefore be idle too. In addition this
thesis also proposes an entertainment system combined with the entrance system. It
can be executed when the security is idled. A wireless network device was integrated
in the system for providing WiFi[2] entertainments. The software applications are the
tow-tier identification entrance system, door camera, alarm, motion detection and
image auto recording, auto notification to cell phone, remote monitor and wireless
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