Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Patent
1993-06-18
1995-09-05
LeDynh, Bot
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
361761, 361777, 361743, 174260, 174262, 174263, H05K 702
Patent
active
054484529
ABSTRACT:
A circuit board for mounting a band-pass filter. An elongate through hole is formed through the ground surface of the circuit board for shielding the input and output terminals of a band-pass filter from each other. The through hole eliminates unexpected coupling between the input and output terminals within the circuit board. Solder which flows into the through hole allows the casing of the filter to closely contact the ground surface of the circuit board.
REFERENCES:
patent: 3991347 (1976-11-01), Hollyday
patent: 4553114 (1985-11-01), English et al.
patent: 4908586 (1990-03-01), Kling et al.
patent: 5036301 (1991-07-01), Takao et al.
Kondo Hisashi
Sone Tomoshi
Ledynh Bot
NEC Corporation
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