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Patent US 3562464A: Difference between revisions
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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. | 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}} | |||