| 摘要 |
PROBLEM TO BE SOLVED: To provide a power supply unit capable of minimizing mixing in of noise, improving the operation efficiency of maintenance in the case of production and securing general usefulness by considering various ideas concerning constitution of the unit. SOLUTION: The unit is provided with a primary unit 10 the almost whole of which is shielded electrically and which is provided with a noise filter 16 for removing the noise mixed into electricity supplied from a power source and a secondary unit 30 the almost whole of which is shielded electrically and which is provided with a distribution board 31 for distributing electricity from the noise filter 16 in the primary unit 10.
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