Extended life incandescent lamp with self contained diode and re

Details Extended life incandescent lamp with self contained diode and re Extended life incandescent lamp with self contained diode and re

1982-06-14

1984-10-30

LaRoche, Eugene R.

Electric lamp and discharge devices: systems

Combined load device or load device temperature modifying...

Load device and impedance

313113, 315200R, H01K 162

Patent

active

044802129

ABSTRACT:
An incandescent lamp is disclosed having an extended operating life with a high operating efficiency in terms of lumens per watt. The lamp incorporates a rectifying diode in series with the filament and the filament has an operating temperature less than 2550.degree. C. A reflector is mounted in the neck portion of the lamp for reflecting visible light outwardly through the bulb portion of the envelope and for minimizing convection currents in the base of the lamp. The diode is disposed between the reflector and the lamp base.

REFERENCES:
patent: 1305837 (1919-06-01), Sedano
patent: 1657060 (1928-01-01), Becket
patent: 3869631 (1975-03-01), Anderson et al.

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