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Taiwan residential types are predominantly based on apartments. Although intensive suite rental or apartment in the metropolis convenient, lack of guards or preservation management can easily become the target of thieves. Therefore, for the living patterns of households, to avoid threaten life and property while criminals break into the house, or visiting friends and relatives or courier rang the bell while no one at home , we have to considerate, how to solve it through a doorbell system? In order to improve these inconveniences, the direction of the doorbell system is for the households whom go out or do not often at home.
The system consists of three modules which includes remote doorbell audio-visual response, lock control, and cell phone response control, PC as the main control. The doorbell embed video and door lock control module, when the visitor arrives, pressing the doorbell to radiate wireless signal to start the video and door lock control module and the PC receives the doorbell signal will automatically connect cell phone response control module and make calls; The doorbell embed the video telephone and unlock device, phone module receives doorbell signals from the computer which has been linked to the network in the house, when a visitor arrives, press the doorbell and system will launch a wireless signal to the computer's USB programmable keyboard control panel, starting button device and open telecommunications software and call the households automatically, once the phone module receives the incoming call message and able to make a video call to visitors immediately; In addition, if the family members have no keys and will not able to enter the house, households can use remote control of mobile phones to unlock the doors; If the elderly at home in an emergency, by using the system to contact family members and unlock the door and let ambulance staff enter the house to rescue, it rather convenient. We believe the research and development of the systems can provide safety and convenience of the quality for the living, and it is no longer the problem of working issue or not at home because of other factors.
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