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Patent US 3584174A: Difference between revisions
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This patent describes the [[back-lit switches]] that Tek introduced at the end of the 1960s for the [[7000-series scopes]]/plugins, and other instruments. | This patent describes the [[back-lit switches]] that Tek introduced at the end of the 1960s for the [[7000-series scopes]]/plugins, and other instruments. | ||
See also the [[Patent US 3562464A|cam switch patent 3,562,464]] referenced in 3,584,174 as the ''copending application 765,597 by [[Howard Vollum|H. Vollum]] et al'' for using similar low-inductance spring contacts on PCBs. | |||
[[File:Tek_7k_DPDT_PCB_switch_1.jpg|thumb|400px]] | [[File:Tek_7k_DPDT_PCB_switch_1.jpg|thumb|400px]] | ||