Light-emitting diode connected to a coil

Details Light-emitting diode connected to a coil Light-emitting diode connected to a coil

1974-12-05

1976-03-16

Envall, Jr., R. N.

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

250552, 317124, 331113R, H01L 3300

Patent

active

039448541

ABSTRACT:
This relates to a light emitting diode circuit wherein a coil is connected to a voltage source, the voltage of which is lower than the threshold voltage of the forward diode characteristic. The light emitting diode is connected in series via the coil to the voltage source, and a transistor operating as a switch is connected in parallel to said light emitting diode.

REFERENCES:
patent: 2907929 (1959-10-01), Lawson, Jr.
patent: 3755697 (1973-08-01), Miller
patent: 3784844 (1974-01-01), McGrogan, Jr.

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