Document Type and Number:
Japanese Patent JPS52142321
Kind Code:
U
Application Number:
JP4747277U
Publication Date:
October 28, 1977
Filing Date:
April 14, 1977
Export Citation:
International Classes:
H04N9/44; H04N5/04; H04N9/45; (IPC1-7): H04N5/04
Domestic Patent References:
| JP43014288A |