Communications: electrical – Condition responsive indicating system – With particular coupling link
Reexamination Certificate
2001-03-26
2001-11-20
Crosland, Donnie L. (Department: 2632)
Communications: electrical
Condition responsive indicating system
With particular coupling link
C340S425500, C340S531000, C340S331000, C379S037000, C379S040000, C379S051000
Reexamination Certificate
active
06320504
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a mobile security system, and more particularly to such a mobile security system, which comprises a warning signal transmitter unit installed in the place to be protected to monitor the surrounding, an auto dialing unit having a signal receiver, and a cellular phone coupled to the auto dialing unit and driven by the auto dialing unit to call a particular telephone number for help when the signal receiver receives a radio warning signal from the warning signal transmitter unit.
Following fast development of economics, the living quality is greatly improved. Most families have a car for transportation. However, in the modern society, there are many lazy people hoping to gain without effort, and theft cases occur every day. In order to improve the living quality of the surroundings, it is important to reduce the frequency of occurrence of theft cases. A variety of security system have been developed for this purpose. A regular security system is generally comprised of a plurality of sensors installed in fixed locations in the place or equipment to be protected to monitor the surroundings, and alarm means connected to the sensors. The alarm means is triggered to alarm when the sensors detect an abnormal condition. Because the sensors are installed in fixed locations, they can easily found out and damaged by the intruder. When an abnormal condition occurs, the security person in charge is informed to check the situation, and then to inform the owner of the place or equipment under protection after checking. Because the owner of the place or equipment under protection is not informed before the security person goes to check the situation, the owner of the place under protection may be unable to take the necessary step in time. Further the alarm signal of the alarm means can be heard or seen only within a limited distance from the place or equipment under protection. If the owner of the place or equipment under protection is beyond the effective range of the alarm means, the security system may work in vain.
SUMMARY OF THE INVENTION
The present invention has been accomplished under the circumstances in view. According to one aspect of the present invention, the mobile security system comprises a warning signal transmitter unit installed in the place or equipment to be protected, an auto dialing unit having a signal receiver, and a cellular phone coupled to the auto dialing unit. When the warning signal transmitter unit detects an abnormal condition, it immediately sends a warning signal to the signal receiver by radio, and the signal receiver immediately drives the auto dialing unit to dial a particular telephone number upon receipt of the warning signal, so as to inform a particular person or security center to take the necessary step. According to another aspect of the present invention, the auto dialing unit can be a mechanical design, or an electronic design as desired. Because the auto dialing unit is coupled to the cellular phone and controlled by the warning signal transmitter unit by radio, the auto dialing unit can be kept with the cellular phone from sight.
REFERENCES:
patent: 4092643 (1978-05-01), Stolarczyk
patent: 4661804 (1987-04-01), Abel
patent: 4692742 (1987-09-01), Raizen et al.
patent: 5274693 (1993-12-01), Waldman
patent: 5319698 (1994-06-01), Glidewell et al.
patent: 5384825 (1995-01-01), Dillard et al.
Chen Chin-Chen
Huang Chih-Fu
Yu Hsin-Fu
Crosland Donnie L.
Huang Chih-Fu
Vigil Thomas R.
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