Electricity: motive power systems – Nonmagnetic motor
Patent
1995-02-28
1998-07-21
Budd, Mark O.
Electricity: motive power systems
Nonmagnetic motor
310316, H01L 4108
Patent
active
RE0358525
ABSTRACT:
A vibration wave driven motor comprise a comparator for comparing a resonance frequency of the motor with a power supply frequency and a frequency setter for setting the power supply frequency according to a predetermined algorithm in response to the output of the comparator. The frequency setter is provided with an algorithm which, if the power supply frequency is identified lower than the resonance frequency by the comparator, brings the power supply frequency toward an optimum frequency through a predetermined frequency higher than the resonance frequency.
REFERENCES:
patent: 4510411 (1985-04-01), Hakamata et al.
patent: 4513219 (1985-04-01), Katsuma et al.
patent: 4692649 (1987-09-01), Izukawa et al.
patent: 4692672 (1987-09-01), Okuno
patent: 4713571 (1987-12-01), Suzuki et al.
patent: 4727276 (1988-02-01), Izukawa et al.
patent: 4833358 (1989-05-01), Suzuki et al.
patent: 4888514 (1989-12-01), Takahashi et al.
patent: 4914337 (1990-04-01), Takagi
patent: 4954741 (1990-09-01), Furutsu et al.
patent: 5136215 (1992-08-01), Izukawa
patent: 5159253 (1992-10-01), Shimuzu et al.
Budd Mark O.
Nikon Corporation
LandOfFree
Power supply frequency regulating device for vibration wave driv does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Power supply frequency regulating device for vibration wave driv, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Power supply frequency regulating device for vibration wave driv will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1636927