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Toyoki Ueda Patents |
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Inventor: Ueda; Toyoki
Address: Hyogo, JP
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4769735 |
Inverse-time relay |
September 6, 1988 |
| An inverse-time relay is disclosed which comprises a voltage dividing circuit for dividing a d.c. voltage proportional to a current value in a line to be protected by a plurality of ratios different from one another thereby to provide a plurality of voltage values, a voltage saturating |
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