Electrical transmission or interconnection systems – Switching systems – Condition responsive
Reexamination Certificate
1999-11-23
2002-06-11
Fleming, Fritz (Department: 2836)
Electrical transmission or interconnection systems
Switching systems
Condition responsive
C307S116000
Reexamination Certificate
active
06404079
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a multi-purpose control device with a remote controller and a sensor. More particularly, the present invention relates to a multi-purpose control device that utilizes a remote controller and a human body sensor to actuate a load.
2. Description of the Prior Art
At present, almost all families utilize electric power. Generally, to distribute indoor electric power, a fixed system of electric lines is used. The fixed system of electric lines requires that point to point electric lines be installed inside walls, ceilings or floors prior to the completion of construction of a building. For most fixed light fixtures, e.g. pendent lights, ceiling lights and chandeliers, electric lines between the lights and their switches are installed along a predetermined path inside walls and ceilings. Once the installation of the electric lines is completed, the paths of electric lines are fixed. This is the technique used for most fixed lighting fixtures. As electrical and electronic control techniques have improved, alternatives to the conventional hard-wired ON/OFF switch used for fixed light fixtures have become available. In fact, wireless remote controllers are utilized in controlling televisions, stereo apparatus and air conditioners, etc. Remote controllers are becoming more prevalent in controlling electronic equipment. However, remote controllers are not widespread in controlling non-electronic devices such as fixed light fixutes. This is partly because the addition of remote controllers may result in the problem of reconfiguration of wiring, and partly because in certain cases, utilizing remote controllers is not practical. For example, when entering a house at night, it is necessary to locate a remote controller in the dark first, then the remote controller is used to turn on the light. In this sense, it is not convenient to use remote controllers to turn on or off fixed light fixtures.
Therefore, there is a need for a control device that not only receives a remote control signal emitted from a remote controller but also senses human bodies entering an indoor region.
SUMMARY OF THE INVENTION
The main purpose of the present invention is to provide a multi-purpose control device utilizing a remote controller and a human body sensor to actuate a load, thereby the conventional problem of searching for a remote controller in the dark to turn on a light is solved.
To this end, the present invention provides a multi-purpose control device with a remote controller and a sensor, which comprises:
a detecting body;
a remote controller for controlling the detecting body by emitting a remote control signal; and
a receiver connected to a light and receiving the signal emitted from the detecting body;
wherein the detecting body is positioned at an entry way to form a sensing region, thereby the detecting body is able not only to receive a remote control signal emitted from the remote controller but also to sense human bodies entering the sensing region, after the detecting body receives the remote control signal or senses a human body entering the sensing region, the detecting body emits a signal to the receiver to actuate a light.
The control device in accordance with the present invention does not require reconfiguration of the wiring. In addition, the present invention can sense a human body entering a sensing region in the dark to actuate a light automatically, thereby resolving the problem of searching for a remote controller in the dark.
The remote controller in accordance with the present invention comprises a processor, a modulation circuit and an infrared emitter. The processor has three input terminals, each of which is connected to buttons of “ON ”, “OFF ” and “AUTO ” respectively. The “AUTO ” button is used to emit a signal to switch the detecting body to actuate a light by sensing a human body.
The remote controller in accordance with the present invention further comprises a display connected to an output terminal of the processor, a “TIME ” button and a “LUX ” button, wherein said “TIME ” button and said “LUX ” buttons are connected to the input terminals of the processor. The display is used to display the function of all settings. The “TIME ” button is used to set the duration that the light is turned-on. The “LUX ” button utilizes the human body sensing function of the detecting body to control the ON/OFF of the light. The “LUX ” button can set the time when the detecting body is working. When the brightness inside is above a predetermined brightness level, the detecting body will not emit a signal to turn on the light.
The detecting body comprises a processor, an encoder and an emission circuit, in which the processor has two input ports, one connected to a remote control detecting device and the other to a human body sensing device. The remote control detecting device comprises an infrared receiver, an amplifying circuit and a decoder. When the infrared signal is received, the received infrared signal is amplified and decoded and sent to the processor.
The human body sensing device comprises a passive infrared sensor, an amplifying circuit and a determining circuit. The passive infrared sensor covers an infrared sensing region. When a human body enters the infrared sensing region, the passive infrared sensor senses the heat of the human body and creates a signal. The created signal is amplified by the amplifying circuit. After the amplified signal is corrected by the determining circuit, the signal is output to the processor.
The receiver comprises a receiving circuit, a wireless amplifying circuit, a decoder and a relay, wherein the relay is connected to the light to control the light.
The detecting body further comprises a time-and-lux setting circuit and a buzzer. The time-and-lux setting circuit is controlled by the human body sensing device and the “TIME ” button and “LUX ” buttons in the remote controller and comprises a time-setting element and a lux-setting element. The time-setting element sets the working time duration of the light after the human body sensing device senses a human body. The lux-setting element turns on the light when the brightness in an indoor region is below a predetermined brightness level. Therefore, the lux-setting element can reduce energy consumption.
The forgoing and other aspects of the present invention will become apparent from the following detailed description of the invention when considered in conjunction with the accompanying drawings.
REFERENCES:
patent: 5489827 (1996-02-01), Xia
patent: 6023224 (2000-02-01), Meyvis
patent: 6107938 (2000-08-01), Du et al.
patent: 6137405 (2000-10-01), Carney
patent: 29701901 (1997-05-01), None
patent: 2264379 (1993-08-01), None
Fleming Fritz
Pelton, Esq. William E.
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