Document Type and Number:
Japanese Patent JPH0328885
Kind Code:
U
Application Number:
JP8908489U
Publication Date:
March 22, 1991
Filing Date:
July 31, 1989
Export Citation:
International Classes:
H01J7/26; H01J31/10; H04N5/74; (IPC1-7): H04N5/74; H01J7/26
Domestic Patent References:
| JPH01143119A | 1989-06-05 | |||
| JP3027179B |