| Patent Number |
Title Of Patent |
Date Issued |
| D516245 |
Electric razor |
February 28, 2006 |
|
| D407533 |
Main body for an electric fingernail polisher |
March 30, 1999 |
|
| D331817 |
Hair cutter |
December 15, 1992 |
|
| 8274196 |
Control apparatus for vibration wave driven apparatus |
September 25, 2012 |
| A control apparatus detects the relative position between a vibration member and a driving-member-side vibration detection portion on the basis of a signal that shows a vibrational state of the vibration member and a signal output from the driving-member-side vibration detection portion, |
| 8064810 |
Image forming apparatus with image bearing member adjustment |
November 22, 2011 |
| An image forming apparatus includes first and second image bearing members on which toner images are to be formed, a conveying member, and a conveying member position index detecting device for detecting a conveying member position index provided on the conveying member. The apparatu |
| 7687974 |
Vibration type driving apparatus |
March 30, 2010 |
| A vibration type driving apparatus includes a vibrating member configured to simultaneously generate a plurality of standing wave vibrations to cause an elliptic motion on surfaces located at nodes of the standing wave vibration, a driving unit formed on the surface located at the node |
| 7365474 |
Driving system for vibrating type actuator and method of driving vibrating type actuator |
April 29, 2008 |
| Provided is a driving system for a vibrating type actuator capable of simplifying a driving circuit. A vibrating body of the vibrating type actuator can generate a first mode and a second mode which are different in a vibration form, in accordance with an alternate current signal to be |
| 6639207 |
Optical rotary encoder and motor control apparatus |
October 28, 2003 |
| A rotary encoder includes a disk-shaped scale and sensors, each including a light emitting part and a light detecting part, for outputting an electrical signal. A light beam is emitted from the light emitting part so as to illuminate the scale with the emitted light beam and a light beam |
| 6608426 |
Driving device of a vibration type actuator |
August 19, 2003 |
| A vibration type activator having improved electro-mechanical energy conversion efficiency and reduced noise generation includes plural switching elements each of which is operated by a switching pulse signal generated by a drive control circuit of the motor. A drive control circuit |
| 6376965 |
Driving device for vibration type actuator |
April 23, 2002 |
| This invention relates to a driving device for a vibration type actuator. In this device, since the characteristics of the actuator change depending on temperature and the like, control characteristics must be optimized. This invention is designed to determine a control gain based on the |
| 6313564 |
Driving apparatus for vibration type actuator apparatus |
November 6, 2001 |
| A driving apparatus is provided with an evaluating device for evaluating a wear state in a friction surface between a vibration member and a movable member in a vibration type actuator apparatus.The evaluating device accurately and automatically evaluating the wear state of the friction |
| 6229402 |
Driving circuit for vibration type actuator apparatus |
May 8, 2001 |
| A pulse forming circuit for a vibration type actuator apparatus. This circuit forms pulses by shifting an output from a frequency dividing circuit while changing the shift amount of a time delaying circuit using a ring oscillator for shifting an output from the frequency dividing circuit |
| 6215224 |
Control device for vibration type actuator |
April 10, 2001 |
| The present invention relates to a control device for vibration type actuator and, particularly, to an arrangement for forming a driving signal by using a pulse signal. In the invention, a periodic pulse is formed by integral multiplying of a period of a reference pulse, analog signals o |
| 6125545 |
Hair cutter |
October 3, 2000 |
| A hair cutter according to the present invention includes a hair cutter body having a generally rectangular cross-section, a hair cutting portion provided at one end thereof, a comb portion having a plurality of comb plates for covering the hair cutting portion, and a comb portion holder |
| 6100622 |
Driving apparatus of vibration type actuator |
August 8, 2000 |
| A control apparatus for a vibration type actuator includes a first integral means for integrating a difference between a detected driving speed state of the actuator and a target speed state of the actuator, and a second integral means for integrating the integral value of the first inte |
| 6084334 |
Driving apparatus for driving plurality of vibration type motors |
July 4, 2000 |
| This invention relates to an apparatus for simultaneously driving a plurality of vibration type motors. The frequency of a cyclic signal at which the motors exhibit the same speed is detected from the driving characteristics obtained upon application of the cyclic signal to each moto |
| 6054795 |
Driving apparatus for vibration type actuator device |
April 25, 2000 |
| This invention relates to a driving apparatus for a vibration type actuator device which obtains a driving force by applying a frequency signal to an electro-mechanical energy conversion element.This invention provides, as the driving apparatus, a vibration type actuator device which cha |
| 6049156 |
Apparatus provided with a vibration type motor |
April 11, 2000 |
| The driving control of a vibration type motor for driving, for example e.g., the drum of a copying apparatus is controlled wherein, in a printing operation, the driving control of the motor is effected by amplitude control, and in the initial operation after the closing of a power source |
| 5939851 |
Position control device |
August 17, 1999 |
| A position control device for driving a movable member by a motor to a target position prevents a re-start of the motor by the vibration after stopping of the movable member. A re-start operation is forcedly inhibited during a predetermined period after a stopping operation of the movabl |
| 5149080 |
Vibratory sheet feeder |
September 22, 1992 |
| A vibratory feeder for sheets includes sheet conveying members for holding and conveying the sheet utilizing travelling waves, a sheet feed detection member for detecting a feed of the sheet, and a drive control circuit for applying alternating electrical signal to each of electric/mecha |
