Document Type and Number:
Japanese Patent JPS4936223
Kind Code:
A
Application Number:
JP7786272A
Publication Date:
April 04, 1974
Filing Date:
August 02, 1972
Export Citation:
International Classes:
H04N9/71
Domestic Patent References:
| JP45038952A |
Foreign References:
| US2951115A | 1960-08-30 |