Patent US 3911478A
Patent number | US 3911478A (click link for details and documents via Google Patents) |
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Title | Method and apparatus for processing test signals which convey information as to gain and delay distortions of T.V. systems |
Inventors | Charlie Rhodes |
Company | Tektronix Inc |
Filing date | 1972-04-05 |
Grant date | 1975-10-07 |