Document Type and Number:
Japanese Patent JPH0236272
Kind Code:
U
Application Number:
JP11416388U
Publication Date:
March 08, 1990
Filing Date:
August 31, 1988
Export Citation:
International Classes:
H01J29/89; H01J7/26; H01J31/10; H04N5/74; (IPC1-7): H04N5/74; H01J7/26; H01J29/89; H01J31/10
Domestic Patent References:
| JPS62102677A | 1987-05-13 |
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