Cathode assembly and color picture tube utilizing the same

Details Cathode assembly and color picture tube utilizing the same Cathode assembly and color picture tube utilizing the same

2005-05-24

2005-05-24

Patel, Ashok (Department: 2879)

Electric lamp and discharge devices

Cathode ray tube

Ray generating or control

C313S417000, C313S270000

Reexamination Certificate

active

06897605

ABSTRACT:
A cathode assembly includes an insulation member, three holders arranged inline in the insulation member, and a support member having a rim portion in which the insulation member is inserted and supported. When a thickness of the insulation member is D millimeters (mm) and a height of the support member is F millimeters (mm), values of D and F are set to satisfy the following inequality: F/D<170%.

REFERENCES:
patent: 3728861 (1973-04-01), Fletcher et al.
patent: 5099170 (1992-03-01), Koizumi
patent: 6130499 (2000-10-01), Koizumi et al.
patent: 6242852 (2001-06-01), Nakamura et al.
patent: 6531813 (2003-03-01), Koizumi et al.
patent: 2001256896 (2001-09-01), None

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