Document Type and Number:
Japanese Patent JPH0324785
Kind Code:
U
Application Number:
JP8596389U
Publication Date:
March 14, 1991
Filing Date:
July 21, 1989
Export Citation:
International Classes:
H01J7/26; H01J31/10; H04N5/74; H04N9/31; (IPC1-7): H04N5/74; H01J7/26; H04N9/31