Multi-digit luminescent display tube

Details Multi-digit luminescent display tube Multi-digit luminescent display tube

1979-03-27

1980-11-04

Demeo, Palmer C.

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

313190, 313497, H01J 6306, H05B 4114

Patent

active

042322510

ABSTRACT:
A multi-digit luminescent display tube having a plurality of pattern display sections arranged in the form of a matrix within a vacuum envelope is disclosed. The pattern display sections include a plurality of anodes, control grids, cathode filaments and shielding members. The shielding members are arranged midway between rows or columns of the pattern display sections in a direction along which the cathode filaments are stretched, whereby to shield each of the rows or columns of the pattern display sections from thermions emitted from the cathode filaments which are stretched in different rows or columns of the pattern display sections.

REFERENCES:
patent: 2270159 (1942-01-01), Bartelink
patent: 2686273 (1954-08-01), Hough et al.
patent: 3418509 (1968-12-01), Frouws et al.
patent: 3703657 (1972-11-01), Shesser
patent: 3868535 (1975-02-01), Kupsky
patent: 4156239 (1979-05-01), Hirano et al.

Affiliated with

Also associated with

Rating

Multi-digit luminescent display tube does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Multi-digit luminescent display tube, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Multi-digit luminescent display tube will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1647356