Tuners – With shielding or housing means
Patent
1979-10-25
1981-12-15
Gensler, Paul L.
Tuners
With shielding or housing means
361302, 361415, 455347, H04B 108
Patent
active
043062059
ABSTRACT:
A high frequency apparatus such as an electronic television tuner comprises a main base plate having a circuit pattern and components disposed on it. A shield casing encloses and supports the main base plate by encompassing it at its peripheral edge. The shield casing is open at one side corresponding to one edge of the main base plate and is preferably also open at the upper and lower surfaces of the casing. The opened side of the shield casing is provided with an auxiliary base plate having a shield conductive film on its outer surface. The main base plate has a plurality of first apertures and the auxiliary base plate has corresponding pluralities of second and third apertures. Capacitor elements are inserted through at least some of the second apertures. The first apertures and apertures in the capacitor elements receive corresponding end portions of L shaped connection terminals. One end of each of the connection terminals is electrically connected to the circuit pattern, while the other end of each terminal is electrically connected to the hollow portion electrode of each of the cylindrical capacitor elements. Each of the connection terminals preferably has an integral protrusion received in the third aperture, for positioning the connection terminal. The open top and bottom surfaces of the shield casing are covered with shield covers.
REFERENCES:
patent: 3147402 (1964-09-01), Hochstetler
patent: 3774080 (1973-11-01), Weidel
Hibino Eiichi
Ito Katsuo
Kawakita Kiyoshi
Gensler Paul L.
Murata Manufacturing Co. Ltd.
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