Abstract: A tight enclosure 1 receives by an airlock 2 virgin optical discs 3 sensitive to oxygen and packed in a tight packing 4. These discs are came out of their tight packing 4 by a means 7, introduced into a means of writing 6, and again introduced into a tight packing 4a by a means of tight packaging 11. Then they are got out of enclosure 1 through an airlock 5.

Abstract: Slot-machine for collection and distribution of digital data including at least a local mass memory 6 and a local means of hiring of a memory capacity 13 of this mass memory 6. This means of hiring consists of a data reader 11, accessible on an outer side and reading the data of a data support 10, of an intermediate memory 11a, of a means 12 of analysis, comparison, refusal or acceptance of data 10, and of setting of the price of the hiring of memory capacity 13, and a means of payment authorizing the loading in mass memory of the data pending in the intermediate memory 11a.

Abstract: Un support, disk (1) or group-holder (48), having one or several housings able to temporarily receive one or several independent electronic objets (M), which can introduce this or these independent electronic objets (M) into a disk-reading device, inside which is located a head connection (35) which cooperates with connectors (56) of the support (48) or connectors (14) of the independent electronic objet (M) temporarily integral with the support (1), so that this or these independent electronic objets (M) can communicate with the disk-reading device.