Communications: electrical – Systems – Timer control
Reexamination Certificate
2000-12-26
2001-10-23
Wu, Daniel J. (Department: 2632)
Communications: electrical
Systems
Timer control
C340S309600, C340S652000, C379S102030, C379S102040
Reexamination Certificate
active
06307463
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a telephone remote control timer, more particularly, to a timer remotely controlled by outdoor telephone. After connected with a telephone set, a signal receiving circuit of the present invention is used to send the control signal (dialing numbers) of the user to a microprocessor for performing all timing setting and for controlling the time to supply power source.
2. Description of the Prior Art
Generally, the conventional electric appliance does not have the timing control function when the appliance is switched on or switched off. In forgetting to turn off the appliance, the electrical energy is easily to be wasted or the electrical source is over-consumed to cause malfunction of the appliance or even explosion, fire and other damages. Besides, the actuation of the appliances can't be preset, for example, the air-conditioner and the rice cooker are unable to be actuated before the user arrives home.
In order to resolve the above-mentioned problem, a power source timing system is fitted in electrical appliances or the user buys a timer set for connection to the appliance. However, it's very impractical because these solutions have to be operated manually.
SUMMARY OF THE INVENTION
It is therefore a primary object of the present invention to eliminate the above-mentioned drawbacks and to provide a telephone remote control timer wherein the power source circuit can be actuated by outdoor telephone for a rapid and convenient timing control.
In order to reach the above-mentioned object, the telephone remote control timer of the present invention at least includes an AC power plug, an AC power socket, a telephone cable jack, and a control circuit board inside a housing thereof. After the timer is connected with power source, the electric appliance and telephone cable, the control circuit board inside can receive control signals (dialing numbers) from telephone set. The signals are decoded, processed and saved by the microprocessor in order to duly control the actuation of the power source circuit. Thus, a rapid and convenient timing setting and control are attainable.
REFERENCES:
patent: 4232195 (1980-11-01), Bartelink
patent: 5268666 (1993-12-01), Michel et al.
patent: 5379341 (1995-01-01), Wan
patent: 5448630 (1995-09-01), Barstow
patent: 5528673 (1996-06-01), Rosenthal
Birch & Stewart Kolasch & Birch, LLP
Wu Daniel J.
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