Document Type and Number:
Japanese Patent JPS4937511
Kind Code:
A
Application Number:
JP7886772A
Publication Date:
April 08, 1974
Filing Date:
August 07, 1972
Export Citation:
International Classes:
H04J1/00; H04J3/00; H04J4/00; H04N7/173; H04N7/16; (IPC1-7): H04N7/16
Domestic Patent References:
| JP29002662A |