CATHODE-RAY TUBE
PROBLEM TO BE SOLVED: To provide an inexpensive cathode-ray tube capable of improving a display quality. SOLUTION: A shadow mask has a long axis H and a short axis V intersecting orthogonally with each other, and the relations Cxm0
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | PROBLEM TO BE SOLVED: To provide an inexpensive cathode-ray tube capable of improving a display quality. SOLUTION: A shadow mask has a long axis H and a short axis V intersecting orthogonally with each other, and the relations Cxm0 |
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