Document Type and Number:
Japanese Patent JPS5090251
Kind Code:
A
Application Number:
JP13735073A
Publication Date:
July 19, 1975
Filing Date:
December 11, 1973
Export Citation:
International Classes:
H01J29/45; G02B5/20; H01J29/02; H01J31/46; H04N9/07; (IPC1-7): G02B5/20; H01J29/02; H01J31/46; H04N9/07
Domestic Patent References:
| JPS4741129A | ||||
| JPS4716148A | ||||
| JPS5061925A | 1975-05-27 |