Figure 2.
Sound cone diagrams for different types and orientations of targets with a superimposed 5° beam angle cone projection in red.
Source: Siemens AG. Simatic sensors catalog: sensors for factory automation, FS 10, 2008.
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.