Figure 11.
Black-box camera: (a) inside top view; (b) inside bottom view; (c) front view; (d) bottom view.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.