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Patent No. 6681419

Forehead support apparatusĀ 

A forehead support apparatus for resting a standing users forehead against a wall above a bathroom commode or urinal or beneath a showerhead.

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Class 363/176 - Including induction motor


Subclass of Class 363 - Electric power conversion systems
Definition: Subject matter wherein the dynamoelectric machine is in
No. of patents: 2
Last issue date: 11/19/2002


NumberTitleIssue Date
6483270Method and device for controlling position sensorless motor
The present invention relates to a control method and a control device for a position sensorless motor which has position sensorless operation and synchronized operation, wherein a rotation position of a rotor is detected on the basis of counter electromo...
11/19/2002
4039910Dynamoelectric machine
A dynamolectric machine stator has a primary winding for single phase alternating current input and a secondary winding for polyphase alternating current to be supplied from output terminals. The secondary winding is connected such that at least two frequ...
08/02/1977
 
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