View source for Patent US 3719788A

{{Patent
|Office=US
|Number=3719788A
|Title=Switch having ganged contacts mounted on opposite sides of circuit board
|Company=Tektronix Inc
|Inventors=Ken Holland; Tony Sprando
|Filing date=1971-02-04
|Grant date=1973-03-06
|Links=465;475;5A38;5A45;7A15;7A16A;7A18;7A19;7A24;7A26;7D15;PG506;
}}
This patent describes a [[cam switch]] having contacts on both sides of the PCB, with the bottom part driven from the cam on top via a small actuator.
It is used in the attenuators of the [[465]], [[475]], [[5A38]], [[5A45]], [[7A15]], [[7A16A]], [[7A18]], [[7A19]], [[7A24]], [[7A26]], in the [[7D15]], and others.

For hte cam switch itself, see [[Patent US 3562464A]].

==Pictures==
<gallery>
Tek_7A18_attenuator_bottom.jpg | [[7A18]] attenuator bottom view
Cam-01.jpg |  7D15: Cam switch with contacts on both sides of the PCB
Cam-02.jpg |  7D15
Cam-03.jpg |  7D15
Cam-04.jpg |  7D15: bottom-side contacts
Cam-05.jpg |  7D15: through-board pins
</gallery>