LandOfFree - US Patents - Listing for Electricity: motor control systems,Closed loop speed control system for dc motor with commutator,Field control, or field and armature control, by analog...

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator – Field control – or field and armature control – by analog...

PWM driving apparatus

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator – Field control – or field and armature control – by analog...

Reduction of electric motor surge current by non-linear limiting

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator – Field control – or field and armature control – by analog...

Rotation control apparatus employing a comb filter and phase err

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator – Field control – or field and armature control – by analog...

Rotation detection or speed pickup device for miniature d-c moto

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator – Field control – or field and armature control – by analog...

Speed control apparatus of motor

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator – Field control – or field and armature control – by analog...

Speed control of a d.c. motor

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator – Field control – or field and armature control – by analog...

Speed controlling system and a predictor

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator – Field control – or field and armature control – by analog...

Stepped compound voltage control circuit of battery in combinati

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator – Field control – or field and armature control – by analog...

System and method for regulating a load by utilizing pulse...

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator – Field control – or field and armature control – by analog...

Systems and methods for regulating power in a medical device

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator – Field control – or field and armature control – by analog...

Systems and methods for regulating power in a medical device

Electricity: motor control systems – Closed loop speed control system for dc motor with commutator – Field control – or field and armature control – by analog...

Vehicle motor switching apparatus