Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Patent
1997-10-22
2000-03-21
Picard, Leo P.
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
361748, 361760, 361777, 361794, 174255, 174261, 174262, 257723, H05K 706
Patent
active
060409851
ABSTRACT:
A circuit board including a general-purpose region for mounting a general-purpose electrical part, and a programmable region for mounting a programmable digital electrical part, the general-purpose region and the programmable region being provided on the same board. The circuit board may comprise at least four layers of a first wiring pattern layer, a second wiring pattern layer, a power source layer provided between the first and second wiring pattern layers, and a ground layer provided between the first and second wiring pattern layer.
REFERENCES:
patent: 4560962 (1985-12-01), Barrow
Arai Masayuki
Kobayashi Seiji
Kananen Ronald P.
Picard Leo P.
Sony Corporation
Vigushin John B.
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