发明名称 |
Battery powered motor drive with temperature-responsive battery heater |
摘要 |
An improved battery powered quartz timing control circuit that drives a stepper motor, featuring a battery heated by a temperature-responsive battery heater which is activated when the ambient temperature in the vicinity of the battery drops below a predetermined temperature.
|
申请公布号 |
US4667140(A) |
申请公布日期 |
1987.05.19 |
申请号 |
US19850703275 |
申请日期 |
1985.02.20 |
申请人 |
PARAGON ELECTRIC CO., INC. |
发明人 |
SWEETMAN, JAMES D. |
分类号 |
G04C3/14;G04C10/00;G05D23/24;H01M10/42;H02J7/00 |
主分类号 |
G04C3/14 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|