Document Type and Number:
Japanese Patent JPS4860040
Kind Code:
U
Application Number:
JP10563071U
Publication Date:
July 31, 1973
Filing Date:
November 12, 1971
Export Citation:
International Classes:
H01C10/40; H01C13/00; H01C13/02; H04N5/44; (IPC1-7): H04N5/44; H01C10/40; H01C13/02
Foreign References:
| US2970244A | 1961-01-31 | |||
| US3585559A | 1971-06-15 |