Electric lamp and discharge devices: systems – Cathode ray tube circuits – Pulse storing
Patent
1987-10-27
1990-03-13
Griffin, Robert L.
Electric lamp and discharge devices: systems
Cathode ray tube circuits
Pulse storing
315 85, 335213, H01J 2906
Patent
active
049085506
ABSTRACT:
Cathode ray tube apparatus including compensation (14) for the vertical component of terrestrial and of other ambient magnetic fields (15). The compensation is achieved by the generation of an opposing vertical magnetic field by energization of the degauss coil (11, 12) in the apparatus. Two embodiments are described: one applies a continuous direct current (21) after the degaussing operation and the other applies a direct current component coincident with the degaussing signal to permanently magnetize components of the apparatus. The magnitude and polarity of the compensation provided may be variable.
REFERENCES:
patent: 2962621 (1960-11-01), Fernald
Beanlands Peter
Chase Elaine
Clitheroe Adrian M.
Shepherd Edward T.
Connerton Joseph J.
Griffin Robert L.
Salindong T.
Troike Robert L.
Walker Mark S.
LandOfFree
Cathode ray tube apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Cathode ray tube apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Cathode ray tube apparatus will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-52500