Document Type and Number:
Japanese Patent JPS4978823
Kind Code:
A
Application Number:
JP12270972A
Publication Date:
July 30, 1974
Filing Date:
December 07, 1972
Export Citation:
International Classes:
G05D13/62; G05F1/00; G11B15/46; H02P29/00
Domestic Patent References:
| JP42000966A | ||||
| JP46017251A | ||||
| JP42004850A |
Foreign References:
| US3636252A | 1972-01-18 |