Anti-howling device in cathode ray tube

Details Anti-howling device in cathode ray tube Anti-howling device in cathode ray tube

2005-08-30

2005-08-30

Patel, Ashok (Department: 2879)

Electric lamp and discharge devices

Cathode ray tube

Shadow mask, support or shield

C313S050000, C313S402000

Reexamination Certificate

active

06936957

ABSTRACT:
Anti-howling device in a cathode ray tube including anti-howling means having contact members each in contact with a shadow mask for receiving, and dispersing a vibration, and connecting members for connecting adjacent contact members, and fixing means for actually bringing the contact members in the anti-howling means into contact with the shadow mask, wherein the contact members receive the vibration of the shadow mask, to disperse the vibration by impact and friction between the contact members and the shadow mask.

REFERENCES:
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patent: 5289080 (1994-02-01), Park
patent: 6469429 (2002-10-01), Berton
patent: 6469431 (2002-10-01), Suzuki et al.
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patent: 2001185047 (2001-07-01), None
R. Adler et al., An Unusual Proble in Vibration Damping: The Flat Tension Mask Computer Tube, Oct. 1989, IEEE 1989 Ultrsonics Symposium Proceedings, vol. 2, PP 1093-1097.

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