Patent ID: 7006424

Claim:
An information recording/reproducing system comprising: an information recording/reproducing apparatus having a first reproducing control device which controls reproducing of a plurality of pieces of program information recorded on a first recording medium; and a portable information recording/reproducing apparatus which has a second recording medium and a second reproducing control device which controls reproducing of a plurality of pieces of program information recorded on the second recording medium, and which is detachably connected with the information recording/reproducing apparatus, wherein the information recording/reproducing apparatus comprises: an information copying device which, when predetermined a piece of program information is reproduced from the first recording medium, copies the piece of program information and at least one piece of program information to be subsequently reproduced, from the first recording medium to the second recording medium, and an information erasing and copying device which, when the reproducing of the piece of program information is ended, erases the piece of program information from the second recording medium, and then newly copies a piece of program information to be reproduced after said at least one piece of program information, from the first recording medium to the second recording medium.