Canon Digital cameras

check the models that come under this problem in Canon website

Mine is Canon PowerShot S1 IS which will come across this problem

here is what Canon advise to the customers-

http://www.usa.canon.com/consumer/controller?act=PgComSmModDisplayAct&fcategoryid=225&modelid=13390&keycode=2112&id=29819

CCD Image sensor problem looks like this

http://www.fixya.com/support/t136580-image_issues