Electric lamp and discharge devices – Cathode ray tube – Shadow mask – support or shield
Patent
1992-04-24
1993-09-28
Yusko, Donald J.
Electric lamp and discharge devices
Cathode ray tube
Shadow mask, support or shield
313406, 313407, 313408, 313477R, 220 21A, H01J 2982
Patent
active
052489140
ABSTRACT:
An annulus attached adjacent the edge planes of a CRT front panel provides screen area savings, and in the preferred embodiment, panel protection, strengthening, and anti-implosion properties. The annulus is preferably composed of a plurality of sections and incorporates a shadow mask support. The annulus is attached to the front panel before receiving the shadow mask becomes a part of the CRT envelope. In a preferred embodiment, the annulus is composed of ceramic and is x-ray shielded by an application of lead-based frit.
REFERENCES:
patent: 2799422 (1957-07-01), Hagenberg
patent: 4004092 (1977-01-01), Rogers
patent: 4016364 (1977-04-01), Rogers
patent: 4268712 (1981-05-01), Overall
patent: 4593224 (1986-06-01), Palac
patent: 4593225 (1986-06-01), Dietch et al.
patent: 4595857 (1986-06-01), Rowe et al.
patent: 4686415 (1987-08-01), Strauss
patent: 4704094 (1987-11-01), Stempfle
patent: 4712041 (1987-12-01), Greiner et al.
patent: 4737681 (1988-04-01), Dietch et al.
patent: 4745330 (1988-05-01), Capek et al.
patent: 4826463 (1989-05-01), Strauss
patent: 4884006 (1989-11-01), Prazak
patent: 4891546 (1990-01-01), Dougherty et al.
patent: 4900977 (1990-02-01), Lopata et al.
patent: 4925421 (1990-05-01), Brook
patent: 4930015 (1990-05-01), Dougherty et al.
patent: 4994712 (1991-02-01), Strauss
patent: 5047684 (1991-11-01), Capek et al.
patent: 5049778 (1991-09-01), Capek et al.
patent: 5086251 (1992-02-01), Capek et al.
Capek Raymond G.
Fendley James R.
Fondrk Mark T.
Norris Roland
Patel Ashok
Yusko Donald J.
Zenith Electronics Corporation
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