View source for Patent US 3562464A

[[File:Cam-03.jpg|thumb|400px]]
{{Patent
|Office=US
|Number=3562464A
|Title=Cam actuated switch having movable and fixed contacts on circuit board
|Company=Tektronix Inc
|Inventors=Howard Vollum; Willem H Verhoef; Tony Sprando
|Filing date=1968-10-07
|Grant date=1971-02-09
|Links=Cam switches;432;434;465;475;5A38;5A45;7A15;7A16A;7A18;7A19;7A24;7A26;7B10;7B15;7B50;7B51;7B52;7B53A;7B50A;7B70;7B71;7B80;7B85;7B87;7B92;7B92A;7D01;7D12;7D15;7J20;7S12;7T11;7T11A;
}}
This patent describes the [[cam switches]] that Tek introduced toward the end of the 1960s.

See also [[Patent US 3584174A|Patent 3,584,174]] covering the [[back-lit switches]] used in [[7000-series scopes]]/plugins and other instruments, which also use low-inductance spring contacts on PCBs.

{{Documents|Link=Patent US 3562464A}}