On 3/05/07 10:44 PM, "John Celio", <[EMAIL PROTECTED]> wrote:
> What I'd like to know is, what is Olympus using for the sensor-shift > mechanism? > > KonicaMinolta / Sony use mechanical tracks to move the sensor. > Pentax uses magnets. > > What's another way to do it that would not infringe on other companies' > patents? Apparently, Oly love the ultrasonic wave (they call it supersonic wave. Sounds familiar? :-). Their CCD is supported by a special frame which is driven by two small ultrasonic actuators which moves the frame in X/Y directions. I believe it is sorta linear ultrasonic motor. http://dc.watch.impress.co.jp/cda/parts/image_for_link/83542-5718-6-1.html http://dc.watch.impress.co.jp/cda/parts/image_for_link/83763-5731-28-1.html http://dc.watch.impress.co.jp/cda/parts/image_for_link/83764-5731-28-2.html You can see in the 3rd link above two small rectangular driver for both horizontal and vertical directions, designated as SWD. It has a panning mode. Ken -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
