Mechanical energy of the turbine converted to electrical energy by the generator, which is the ultimate output; In such a system, the first and fourth step are highly efficient, but the second and third steps are less efficient. The most efficient gas-fired electrical power stations can achieve 50% conversion efficiency.
Ribbit may refer to: 1  The sound made by some Pacific tree frogs or bullfrogs. 2  Ribbit (Pillow Pal) , a plush toy frog made by Ty, Inc. 3  Ribbit (telecommunications company) , a telecommunications company based in Mountain View, California, acquired by BT Group in 2008. Ribbit (telecommunications company) , a telecommunications company based in Mountain View, California, acquired by BT Group in 2008. 2  Ribbit King, a 2003 video game released for the PlayStation 2.
Fitbit Inc. is an American company known for its products of the same name, which are activity trackers, wireless-enabled wearable technology devices that measure data such as the number of steps walked, heart rate, quality of sleep, steps climbed, and other personal metrics. The first of these was the Fitbit Tracker. The company was founded by and is managed by James Park and Eric Friedman, and is headquartered in San Francisco, California. On May 7, 2015, Fitbit announced it had filed for IPO with a NYSE listing. The IPO was filed for $358 million.