OPTICALLY CONTROLLED LIGHTING DEVICE AND CONTROL METHOD THEREOF
First Claim
1. An optically controlled lighting device, comprising:
- a lighting main body comprising a controlling circuit and a light source, wherein the light source is electrically connected with the controlling circuit;
a dimming time controller coupled to the controlling circuit, and generating an on dimming signal and an off diming signal, wherein when the on dimming signal is transmitted to the controlling circuit, the light source is turned on during an on period corresponding to the on dimming signal, wherein when the off dimming signal is transmitted to the controlling circuit, the light source is turned off during an off period corresponding to the off dimming signal; and
an optical detector coupled to the controlling circuit, and detecting an ambient light intensity,wherein the off period is shorter than a time period for producing persistence of vision, wherein if the ambient light intensity detected by the optical detector is different from a predetermined value, the light source is controlled by the dimming time controller.
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Accused Products
Abstract
An optically controlled lighting device and a control method thereof are provided. The optically controlled lighting device includes a lighting main body, a dimming time controller and an optical detector. The control method includes the following steps. In a step (a), the lighting main body, including a controlling circuit and a light source, the dimming time controller and the optical detector are provided. In a step (b), the dimming time controller is enabled to respectively generate an on/off dimming signal, and the light source is respectively turned on/turned off during an on/off period respectively corresponding to the on/off dimming signal, wherein the off period is shorter than the time period for producing persistence of vision. In a step (c), an ambient light intensity is detected by the optical detector during the off period, the brightness of the light source is increased or decreased or the light source is turned off.
7 Citations
23 Claims
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1. An optically controlled lighting device, comprising:
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a lighting main body comprising a controlling circuit and a light source, wherein the light source is electrically connected with the controlling circuit; a dimming time controller coupled to the controlling circuit, and generating an on dimming signal and an off diming signal, wherein when the on dimming signal is transmitted to the controlling circuit, the light source is turned on during an on period corresponding to the on dimming signal, wherein when the off dimming signal is transmitted to the controlling circuit, the light source is turned off during an off period corresponding to the off dimming signal; and an optical detector coupled to the controlling circuit, and detecting an ambient light intensity, wherein the off period is shorter than a time period for producing persistence of vision, wherein if the ambient light intensity detected by the optical detector is different from a predetermined value, the light source is controlled by the dimming time controller. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An optically controlled lighting group, comprising:
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a first optically controlled lighting device comprising a first light source, a first communication module, a dimming time controller, an optical detector and a first controlling circuit, wherein the first controlling circuit is electrically connected with the first light source, the first communication module, the dimming time controller and the optical detector; and a second optically controlled lighting device comprising a second light source, a second communication module and a second controlling circuit, wherein the second controlling circuit is electrically connected with the second light source and the second communication module, wherein the dimming time controller is coupled with the first second controlling circuit, and generates an on dimming signal and an off diming signal, wherein when the on dimming signal is transmitted to the first controlling circuit, the first light source is turned on during an on period corresponding to the on dimming signal, wherein when the off dimming signal is transmitted to the first controlling circuit, the first light source is turned off during an off period corresponding to the off dimming signal, wherein the off period is shorter than a time period for producing persistence of vision, wherein if the ambient light intensity detected by the optical detector is different from a predetermined value, the first light source is controlled by the dimming time controller. - View Dependent Claims (10, 11, 12, 13)
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14. An optically controlled lighting device, comprising:
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a controlling part, wherein the optically controlled lighting device is turned on or turned off under control of the controlling part; an optical control part detecting a brightness of an ambient light, wherein the controlling part and the optical control part are disposed within the optically controlled lighting device, and the controlling part and the optical control part are electrically connected with each other, wherein after the optically controlled lighting device is turned on, the optically controlled lighting device is turned off by the controlling part at fixed time intervals, wherein while the optically controlled lighting device is turned off, the optical control part detects the brightness of the ambient light. - View Dependent Claims (15, 16, 17, 18)
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19. A control method for an optically controlled lighting device, the control method at least comprising steps of:
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(a) providing a lighting main body, a dimming time controller and an optical detector, wherein the lighting main body comprises a controlling circuit and a light source, wherein the light source, the dimming time controller and the optical detector are electrically connected to the controlling circuit; (b) enabling the dimming time controller to generate an on dimming signal, wherein when the on dimming signal is transmitted to the controlling circuit, the light source is turned on during an on period corresponding to the on dimming signal; (c) enabling the dimming time controller to generate an off diming signal, wherein when the off dimming signal is transmitted to the controlling circuit, the light source is turned off during an off period corresponding to the off dimming signal, wherein the off period is shorter than the time period for producing persistence of vision; and (d) allowing the optical detector to detect an ambient light intensity during the off period, wherein if the ambient light intensity detected by the optical detector is different from a predetermined value, the light source is correspondingly controlled by the dimming time controller. - View Dependent Claims (20, 21)
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22. A control method for an optically controlled lighting device, the control method at least comprising steps of:
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(a′
) allowing the optically controlled lighting device to be in an off state at fixed time intervals after the optically controlled lighting device is in an on state;(b′
) detecting a brightness of an ambient light while the optically controlled lighting device is in the off state;(c′
) if the brightness of the ambient light is higher than a predetermined value, allowing the optically controlled lighting device to be maintained in the off state, and repeatedly performing the step (b′
), and if the brightness of the ambient light is lower than or equal to the predetermined value, allowing the optically controlled lighting device to be in the on state, and repeatedly performing the step (a′
). - View Dependent Claims (23)
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Specification