Patent US 4983037A
Patent number | US 4983037A (click link for details and documents via Google Patents) |
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Title | Estimation of fiber loss and return signal power |
Inventors | Dean S. Messing, Ajay K. Luthra |
Company | Tektronix Inc |
Filing date | 1989-05-05 |
Grant date | 1991-01-08 |