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US 2007/0210690 A1Published application
Shockproof device for cathode-ray tube frame/mask set
OwnerPierluigi Testainventor
Life of this patent
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Abstract
Colour cathode ray tube comprising a colour selection mask tensioned in at least one direction within a metal frame, the said frame comprising, on at least two opposite sides of the mask, vibration damping means of the type comprising a cavity enclosing a mass free to move in the said cavity.
Claims7
Cathode ray tube comprising a colour selection mask (8) in the form of a metal sheet, adapted so as to be fixed on a frame assembly noticeably rectangular in shape, the said frame comprising a pair of short parallel sides and a pair long parallel sides,
- the frame having at least one pair of parallel sides each comprising at least one cavity within which at least one metal mass is capable of moving.
Dependencies are inferred from the claim text.