| 发明名称 |
METHOD FOR INSPECTING CATHODE-RAY-TUBE WINDOW FOR OBJECTIONABLE CORD |
| 摘要 |
<p>In inspecting a cathode-ray tube window having a light-scattering inner surface, a pattern, which approximates the structure of the video images to be viewed through the window is placed close to or against the inner surface. The pattern is observed through the window, and those local regions where the pattern appears to be distorted are identified.</p> |
| 申请公布号 |
CA1077258(A) |
申请公布日期 |
1980.05.13 |
| 申请号 |
CA19770280397 |
申请日期 |
1977.06.13 |
| 申请人 |
RCA CORPORATION |
发明人 |
GROSS, HARVEY A.;FREY, HARRY R.;MESSNER, JOHN D.;WALTERS, RAYMOND F. |
| 分类号 |
G01N21/88;H01J9/42;H01J29/24;(IPC1-7):01N21/16 |
主分类号 |
G01N21/88 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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