| 摘要 |
FIELD: optical information recording. ^ SUBSTANCE: device has control device for recording and extracting location data, which are used as indicator of location of recorded information tomes. Control means includes display module for creating session display zone. In session display zone, session display blocks are recorded, which contain in elements of session the data about location of closed sessions, i.e. fully recorded sessions. Device additionally gas detection block for extracting session display block from aforementioned sessions display zone. ^ EFFECT: increased efficiency of storage and extraction of data concerning location of sessions on data carrier. ^ 3 cl, 27 dwg |
