Multi-layer solid state meter having electroluminescent indication, breakdown diodes and constant-current controlling elements
First Claim
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1. THE COMBINATION COMPRISING A STRIP OF ELECTROLUMINESCENT MATERIAL;
- A PLURALITY OF CONSTANT-CURRENT-CONTROLLING MEMBERS;
A PLURALITY OF DIODES HAVING DIFFERENT BREAKDOWN VOLTAGES;
AND MEANS FOR SERIES-CONNECTING A DIODE, A MEMBER OF SAID PLURALITY, AND AN AREA OF SAID STRIP OF SAID ELECTROLUMINESCENT MATERIAL-WHEREBY INPUT SIGNALS OF DIFFERENT MAGNITUDES CAUSE VARIOUS PORTIONS OF SAID STRIP TO GLOW, SAID CONSTANT-CURRENT-CONTROLLING MEMBERS ACTING TO PROVIDE A COMBINATION HAVING A SUBSTANTIALLY CONSTANT INPUT IMPEDANCE.
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1 Claim
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1. THE COMBINATION COMPRISING A STRIP OF ELECTROLUMINESCENT MATERIAL;
- A PLURALITY OF CONSTANT-CURRENT-CONTROLLING MEMBERS;
A PLURALITY OF DIODES HAVING DIFFERENT BREAKDOWN VOLTAGES;
AND MEANS FOR SERIES-CONNECTING A DIODE, A MEMBER OF SAID PLURALITY, AND AN AREA OF SAID STRIP OF SAID ELECTROLUMINESCENT MATERIAL-WHEREBY INPUT SIGNALS OF DIFFERENT MAGNITUDES CAUSE VARIOUS PORTIONS OF SAID STRIP TO GLOW, SAID CONSTANT-CURRENT-CONTROLLING MEMBERS ACTING TO PROVIDE A COMBINATION HAVING A SUBSTANTIALLY CONSTANT INPUT IMPEDANCE.
- A PLURALITY OF CONSTANT-CURRENT-CONTROLLING MEMBERS;
Specification