Resonant tag circuits having one or more fusible links

Details Resonant tag circuits having one or more fusible links Resonant tag circuits having one or more fusible links

1975-03-24

1977-05-03

Smith, Jr., David

Electricity: electrical systems and devices

Miscellaneous

340280, H05K 104

Patent

active

040217051

ABSTRACT:
A planar resonant tag circuit especially useful in electronic security systems wherein the value of a circuit component can be electrically and selectively altered by one or more fusible links integrally formed with the planar circuit. At least one fusible link is formed in bridging relationship with one or more turns of a planar inductor and which can be selectively fused by application of an energizing field to activate the resonant circuit or to alter the resonant characteristics of the circuit.

REFERENCES:
patent: 2718623 (1955-09-01), Yoder et al.
patent: 3810147 (1974-05-01), Lichtblau
patent: 3909726 (1975-09-01), Dobrovolny et al.

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