Shielding apparatus of projection television

Details Shielding apparatus of projection television Shielding apparatus of projection television

2005-03-29

2005-03-29

Hsia, Sherrie (Department: 2614)

Television

Video display

Projection device

C348S789000, C348S836000

Reexamination Certificate

active

06873374

ABSTRACT:
A shielding apparatus of projection television is disclosed. A metal shield casing made of metal plate members shields an optical block and a circuit block. Metal plate printed board holding sections are connected to the metal shield casing detachably at predetermined intervals, and hold the printed board. Connection sections of the metal shield casing elastically contact with the printed board holding section, and connect so as to conduct electrically with the metal shield casing. Further, a part of the metal plate casing of the printed board holding section is elastically fixed to the metal shield casing through the connection section, and shields the optical block and circuit block. Thus, the shield casing excellent in shielding effect of high frequency circuit and easy in servicing is presented.

REFERENCES:
patent: 6157417 (2000-12-01), Cho
patent: 6233026 (2001-05-01), Kim et al.
patent: 05-130541 (1993-05-01), None
patent: 07135626 (1995-05-01), None
patent: 07-183684 (1995-07-01), None
patent: 2000196977 (2000-07-01), None
patent: 2000209525 (2000-07-01), None

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