JPS5345204A - Tracking method for disk-type recording medium - Google Patents
Tracking method for disk-type recording mediumInfo
- Publication number
- JPS5345204A JPS5345204A JP11927276A JP11927276A JPS5345204A JP S5345204 A JPS5345204 A JP S5345204A JP 11927276 A JP11927276 A JP 11927276A JP 11927276 A JP11927276 A JP 11927276A JP S5345204 A JPS5345204 A JP S5345204A
- Authority
- JP
- Japan
- Prior art keywords
- disk
- recording medium
- tracking method
- type recording
- light spot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Optical Recording Or Reproduction (AREA)
- Automatic Focus Adjustment (AREA)
Abstract
PURPOSE: To control the light spot in irradiating the light spot on the information track and reading the information by taking the tracking signal through coherent detection of the accessed signal and the fixed frequency signal given by vibrating the object lens with a fixed frequency.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11927276A JPS5345204A (en) | 1976-10-06 | 1976-10-06 | Tracking method for disk-type recording medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11927276A JPS5345204A (en) | 1976-10-06 | 1976-10-06 | Tracking method for disk-type recording medium |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5345204A true JPS5345204A (en) | 1978-04-22 |
Family
ID=14757246
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11927276A Pending JPS5345204A (en) | 1976-10-06 | 1976-10-06 | Tracking method for disk-type recording medium |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5345204A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5545171A (en) * | 1978-09-26 | 1980-03-29 | Mitsubishi Electric Corp | Track detection controller |
JPS59139148A (en) * | 1983-01-25 | 1984-08-09 | Foster Denki Kk | Servo circuit for information reproducing device |
JP2005322398A (en) * | 2004-05-07 | 2005-11-17 | Samsung Electronics Co Ltd | Method and apparatus adjusting disk drive by utilizing track movement signal induced forcibly |
-
1976
- 1976-10-06 JP JP11927276A patent/JPS5345204A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5545171A (en) * | 1978-09-26 | 1980-03-29 | Mitsubishi Electric Corp | Track detection controller |
JPS6132732B2 (en) * | 1978-09-26 | 1986-07-29 | Mitsubishi Electric Corp | |
JPS59139148A (en) * | 1983-01-25 | 1984-08-09 | Foster Denki Kk | Servo circuit for information reproducing device |
JP2005322398A (en) * | 2004-05-07 | 2005-11-17 | Samsung Electronics Co Ltd | Method and apparatus adjusting disk drive by utilizing track movement signal induced forcibly |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3364892D1 (en) | Optical information processor | |
JPS57208647A (en) | Optical disk for recording of information | |
JPS5345506A (en) | Information detecting apparatus | |
JPS5363002A (en) | Signal recording system and disk type medium for recording signal | |
JPS647327A (en) | Method and apparatus for optical information recording | |
JPS5345204A (en) | Tracking method for disk-type recording medium | |
JPS5350707A (en) | Optical record reproducing apparatus | |
JPS567247A (en) | Information reproducing device | |
JPS55125542A (en) | Optical reproduction unit | |
JPS5255547A (en) | Optical information reader | |
JPS5315105A (en) | Spacing detector of optical recorder/reproducer | |
JPS5318A (en) | Optical video disc reproduction unit | |
JPS54111315A (en) | Image recorder | |
JPS52153706A (en) | Information regenerator | |
JPS5465503A (en) | Information recorder-reproducer | |
JPS53149301A (en) | Optical recorder-reproducer | |
JPS56163534A (en) | Optical information recording carrier | |
JPS5250649A (en) | Optical information record reproduction device | |
JPS5371808A (en) | Optical information reader | |
JPS57191842A (en) | Disk record and disk record recording method | |
JPS544101A (en) | Signal pickupdevice for reproducing system using rotary information recording medium | |
JPS5328404A (en) | Optical information re producer | |
JPS5384505A (en) | Information signal superposing system for audio signal | |
JPS57143743A (en) | Disk-like information recording medium and its reproducing system | |
JPS5397324A (en) | Recorded information reproducer |