OPTICALLY CONTROLLED LIGHTING DEVICE AND CONTROL METHOD THEREOF
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
N/A
app pub date -
Mar 22, 2013
filing date -
Mar 22, 2012
priority date (Note) -
Abandoned
status (Latency Note)
Importance
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.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully