System for equalizing phosphor aging in CRT, subject to differen

Details System for equalizing phosphor aging in CRT, subject to differen System for equalizing phosphor aging in CRT, subject to differen

1992-08-17

1994-03-01

Groody, James J.

Television

Video display

Cathode-ray tube

348555, 348687, 348913, H04N 546

Patent

active

052912957

ABSTRACT:
A brightness management arrangement for equalizing the aging of the phosphor screen of a 16:9 aspect ratio cathode ray tube used for 4:3 aspect ratio video displays provides low level illumination of the unused portions of the phosphor screen when displaying 4:3 aspect ratio video. The unused end panels are divided into three sections with the illumination level of each section being determined by the illumination levels of adjacent areas of the 4:3 video display.

REFERENCES:
patent: 4670784 (1987-06-01), Goldberg
patent: 5068728 (1987-11-01), Macovski
patent: 5193006 (1993-03-01), Yamazaki

Affiliated with

Also associated with

Rating

System for equalizing phosphor aging in CRT, subject to differen does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with System for equalizing phosphor aging in CRT, subject to differen, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and System for equalizing phosphor aging in CRT, subject to differen will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-582402