FIELD: optics. SUBSTANCE: for increased precision and reliability of monitoring of information track of information medium 6 it is mounted for movement and is coupled to drive 7 of coarse positioning. Unit 5 of precise positioning is connected with its output to drive of movement of optical element 4. Positioning is performed by signals from error signal pickup 3 and pickup 9 of signal of position of actuating element. EFFECT: increased precision and reliability. 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| OPTICAL AND MECHANICAL DEVICE | 0 |
|
SU1753488A1 |
| OPTOMECHANICAL MEMORY UNIT | 0 |
|
SU1753489A1 |
| DEVICE FOR CONTROL OVER INFORMATION TRACK OF OPTIC INFORMATION CARRIER | 0 |
|
SU1777172A1 |
| METHOD AND DEVICE FOR AUTOMATIC FOCUSING ON OPTICAL BEAM ONTO DATA MEDIUM EFFECTIVE LAYER | 2000 |
|
RU2162253C1 |
| DEVICE FOR RECORDING AND/OR PLAYING BACK FROM INFORMATION TRACKS OF MOVING MEDIUM | 0 |
|
SU1800479A1 |
| AUTOMATIC RADIATION FOCUSING DEVICE | 1991 |
|
RU2035772C1 |
| DEVICE FOR MONITORING DATA TRACK OF OPTICAL RECORDING MEDIUM | 0 |
|
SU1638724A1 |
| DEVICE TO RECORD AND PLAYBACK INFORMATION | 1989 |
|
SU1835953A1 |
| METHOD AND DISK-TYPE DATA MEDIUM FOR TRACKING DATA TRACK OF DISK-TYPE OPTICAL- RECORD MEDIUM | 2000 |
|
RU2187153C2 |
| INFORMATION RECORDING AND PLAYBACK DEVICE | 1989 |
|
SU1839585A1 |
