Talk:Stud finder

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[edit] Small Radar System

"The third type uses a very small radar system to show exactly where the edges of a stud are behind the wallboard(sheetrock)."

Can anyone provide a reference for this? I have been scouring the web, but can not find any record of any stud-finders that work this way. Ingling 17:34, 11 April 2007 (UTC)

See US Patent 5,774,091 for a discussion on the radar range finder. --Justzisguy 16:45, 15 June 2007 (UTC)