A signal recording/reproducing apparatus includes a CCD imager. The still image taken by said CCD imager is recorded, together with resolution information, on a recording medium. The recording medium is recorded, together with resolution information, is a still image taken by said digital camera and...http://www.google.com.au/patents/US7292273?utm_source=gb-gplus-sharePatent US7292273 - Digital camera accommodating recording media from other digital cameras