Yes, but it doesn't move it as a single unit. Ultrasonic means it's
moving at more than 20kHz, and probably more like a couple hundred
kilohertz if not higher. I would think that several wavelengths would
have to fit across the sensor/glass in order to be effective at moving
dust, so some parts of the glass are moving in the opposite direction
as other parts at any given time. I would also guess that it chirps
the driving frequency to avoid standing waves and the dust collecting
at the velocity nodes on the plate (Chladni patterns).
To do anti-shake by moving the sensor, a much lower frequency and
larger amplitude motion system is needed.
Mark
On Mar 16, 2004, at 7:13 PM, Chuck Norcutt wrote:
> I'm still hopeful that the ultrasonic cleaner mechanism can be turned
> into an anti-shake system. It already moves the sensor at high speed,
> all it needs is some control.
>
> Chuck Norcutt
The olympus mailinglist olympus@xxxxxxxxxx
To unsubscribe: mailto:olympus-request@xxxxxxxxxx?subject=unsubscribe
To contact the list admins: mailto:olympusadmins@xxxxxxxxxx?subject="Olympus
List Problem"
|