Oscillators – With electromagnetic or electrostatic shield
Patent
1991-10-30
1992-10-06
Mis, David
Oscillators
With electromagnetic or electrostatic shield
331 68, 361399, H03B 104, H03B 500, H03B 700, H05K 504
Patent
active
051535319
ABSTRACT:
An arrangement for stabilizing the oscillation frequency and phase of a high frequency oscillator comprising a shielding case of aluminum formed by die casting and having side walls and a base, a plurality of partition walls integrally formed with the shielding case, a printed circuit board securely mounted on the partition walls, and a high frequency oscillator securely mounted on the printed circuit board. The high frequency osilllator is encompassed with and shielded by the side walls and base of the shielding case, the partition walls, and the printed circuit board.
REFERENCES:
patent: 4491806 (1985-01-01), Reynolds et al.
patent: 4677396 (1987-06-01), Cruz et al.
patent: 4873495 (1989-10-01), Doyen et al.
patent: 4903169 (1990-02-01), Kitagawa et al.
Matsushita Electric - Industrial Co., Ltd.
Mis David
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