Elongate tubular incandescent lamp with filament shorting bars

Details Elongate tubular incandescent lamp with filament shorting bars Elongate tubular incandescent lamp with filament shorting bars

1990-03-02

1991-06-18

DeMeo, Palmer C.

Electric lamp and discharge devices

With support and/or spacing structure for electrode and/or...

For filament

362219, 313 1, H01K 102, H01K 124

Patent

active

050251880

ABSTRACT:
A tube type incandescent lamp having light-emitting parts and non-light-emitting parts, wherein a filament assembly comprises coiled filaments and short bars, which are arranged alternately, the short bars are separately held by their corresponding constricted portions provided in a tube envelope made of glass, and each of the light-emitting parts and the non-light-emitting parts is formed of a space portion surrounded by the tube envelope part between adjacent constricted portions. The outermost ones of the short bars in the filament assembly are shorter than the other short bars and two light-emitting parts are continuously formed at each outer portion of the incandescent lamp.

REFERENCES:
patent: 2042963 (1936-06-01), Rentschler et al.
patent: 3039015 (1962-06-01), Jolly
patent: 3983441 (1976-09-01), Northrup
patent: 4052637 (1977-10-01), Op de Beeck
patent: 4070594 (1978-01-01), Fuchi et al.

Affiliated with

Also associated with

Rating

Elongate tubular incandescent lamp with filament shorting bars does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Elongate tubular incandescent lamp with filament shorting bars, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Elongate tubular incandescent lamp with filament shorting bars will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-147243