The invention relates to a drone (uav), which is able to carry more drones and releasing it on or in target area and resume them again: mothership for drones.-Outdoor- positioning system for allowing the flight of many air vehicles simultaneously (without GPS).The main drone system is able to swim a.....
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The invention relates to a drone (uav), which is able to carry more drones and releasing it on or in target area and resume.The accompanying drones can be configured differently and therefore perform a variety of tasks:f.e. the carried drone(s) can swim and dive.No patented invention like this in d.....
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A driving method for improving luminous efficacy of a light emitting diode (LED), the method comprising: periodically switching a DC current supplied to the LED between a high current level lH and a low current level lL, the low current level lLbeing fixed at zero or raised above zero to produce a D.....
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A universal driving technique for light emitting diodes (LEDs) is presented. The driver can operate with lighting fixtures for fluorescent lamps without requiring the replacement of any type of ballast circuitry or modifying the existing infrastructure of a lighting network. This technology provide.....
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