Color picture tube with shadow mask supporting members

Details Color picture tube with shadow mask supporting members Color picture tube with shadow mask supporting members

1982-08-31

1985-01-01

Demeo, Palmer

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

313406, 313407, H01J 2907

Patent

active

044917635

ABSTRACT:
A color cathode picture tube including an envelope having a fluorescent screen therein, a shadow mask assembly having a shadow mask and a mask frame for holding the shadow mask at its peripheral edge, and a shadow mask supporting member for supporting the shadow mask assembly inside the envelope. The shadow mask supporting member comprises a first metal strip having a thermal expansion coefficient substantially equal to that of the mask frame, a second metal strip joined to the first metal strip at one side thereof so that their respective faces may form a continuous face, this second strip having a thermal expansion coefficient higher than that of the first strip, and a third metal strip joined to the first metal strip at the other side thereof so that their respective faces may form a continuous face, the third strip having a thermal expansion coefficient lower than that of the first metal strip. The first metal strip is fixed at one end portion thereof to the mask frame and engaged at the other end portion thereof with panel pin built in the envelope.

REFERENCES:
patent: 3898508 (1975-08-01), Pappadis

Affiliated with

Also associated with

Rating

Color picture tube with shadow mask supporting members does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Color picture tube with shadow mask supporting members, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Color picture tube with shadow mask supporting members will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-578835