Patent ID: 7065502

Claim:
A method of updating commodity catalog information recorded on a medium using a recording/reproducing apparatus, the method comprising: after the medium is mounted in the apparatus, accessing a server corresponding to the commodity catalog information written on the medium through a computer network, after user registration; after the link is set up with the corresponding server, checking whether there is a commodity item to be updated/edited in the commodity catalog information written on a predetermined read-only area of the medium', after there is a commodity item to be updated/edited, transmitting the corresponding commodity catalog information from the server to the apparatus', writing the transmitted commodity catalog information on a rewriteable area of the medium', displaying the commodity catalog information recorded on the rewriteable area of the medium for retrieval after said writing the transmitted commodity catalog information, wherein, during said displaying of the commodity catalog information, the commodity catalog information is marked so that an updated portion and a non-updated portion are distinguished from each other.