US 7,523,869 B2
Portable electronic device memory availability
Risto Helkiö, Espoo (Finland); Jukka-Pekka Salmenkaita, Hampshire (United Kingdom); and Pirjo Moilanen, Espoo (Finland)
Assigned to Nokia Corporation, Espoo (Finland)
Filed on Apr. 06, 2005, as Appl. No. 11/101,274.
Prior Publication US 2006/0226232 A1, Oct. 12, 2006
Int. Cl. G06K 7/10 (2006.01)
U.S. Cl. 235—472.01  [235/472.02; 235/462.24; 235/462.25; 235/462.41] 22 Claims
OG exemplary drawing
 
1. An apparatus comprising:
a memory having a first image file;
a system for transferring a copy of the first image file to a device; and
a system for permanently converting the first image file to a different second image file based, at least partially, upon the copy of the first image file being transferred to the device by the system for transferring, wherein the second image file cannot be converted back to the first image file by the apparatus,
wherein the system for transferring comprises a system for comparing the first image file to image files in the device and not transferring the copy of the first image file to the device if the device already comprises a copy of the first image file.