Some have suggested that it stems from Hussenot's device, because it used film and "ran continuously in a light-tight box, ...

The so-called “black box." There are actually two of these remarkably sturdy devices: the cockpit voice recorder and the flight data recorder. And they're typically orange, not black.

The so-called “black box."There are actually two of these remarkably sturdy devices: the cockpit voice recorder and the flight data recorder. And they're typically orange, not black.Federal ...