JPS5637A - Tracking system of optical disc memory - Google Patents
Tracking system of optical disc memoryInfo
- Publication number
- JPS5637A JPS5637A JP7230079A JP7230079A JPS5637A JP S5637 A JPS5637 A JP S5637A JP 7230079 A JP7230079 A JP 7230079A JP 7230079 A JP7230079 A JP 7230079A JP S5637 A JPS5637 A JP S5637A
- Authority
- JP
- Japan
- Prior art keywords
- tracking
- recording
- information
- signal
- track
- 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
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
- G11B7/00745—Sectoring or header formats within a track
Landscapes
- Optical Record Carriers And Manufacture Thereof (AREA)
- Optical Recording Or Reproduction (AREA)
Abstract
PURPOSE:To enable to write in data additionaly on an arbitrary sector on an arbitrary track freely, by sectioning one recording track into plurality, recording the tracking information on each sector and tracking the information after extracting. CONSTITUTION:The recording track on the recording medium is divided into N, and the tracking information 210 for the recording tracking is recorded in advance to the N sets of sectors as the pre-wobbling signal. Further, this tracking signal 210 is extracted and recorded as major tracking signal. At the recording of the signal information, while tracking the tracking signal 210, the address information 211 is read in, the objective address is freely retrieved, and the signal information is recorded on the recording information area 213 of this track as required. Thus, the additional write-in can be made to an arbitrary sector of an arbotrary track, the reference light of the signal information recording is made unnecessary, and the optical system unit can be simplified.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7230079A JPS5637A (en) | 1979-06-11 | 1979-06-11 | Tracking system of optical disc memory |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7230079A JPS5637A (en) | 1979-06-11 | 1979-06-11 | Tracking system of optical disc memory |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5637A true JPS5637A (en) | 1981-01-06 |
Family
ID=13485271
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7230079A Pending JPS5637A (en) | 1979-06-11 | 1979-06-11 | Tracking system of optical disc memory |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5637A (en) |
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5837850A (en) * | 1981-08-14 | 1983-03-05 | トムソン−セエスエフ | Optical tracking apparatus accompanying sampling |
JPS5891537A (en) * | 1981-11-25 | 1983-05-31 | Hitachi Ltd | Information recording and reproducing system |
JPS58501744A (en) * | 1981-10-15 | 1983-10-13 | バロ−ス・コ−ポレ−ション | Preformatted optical media for use in optical memory systems |
JPS58501745A (en) * | 1981-10-15 | 1983-10-13 | バロ−ス・コ−ポレ−ション | 3-beam optical memory system |
JPS58185051A (en) * | 1982-03-12 | 1983-10-28 | トムソン−セエスエフ | Mobile preetched data medium and optical tracking device using same |
JPS58185046A (en) * | 1982-03-12 | 1983-10-28 | トムソン−セエスエフ | Method and device for generating control signal of track scanning spot position of data medium |
JPS593728A (en) * | 1982-06-15 | 1984-01-10 | トムソン−セエスエフ | Optical method and device for focusing light energy on reference surface of data medium and the medium |
JPS59500392A (en) * | 1981-10-15 | 1984-03-08 | バロ−ス・コ−ポレ−ション | Optical memory system provides improved track following |
JPS59110044A (en) * | 1982-12-13 | 1984-06-25 | Akai Electric Co Ltd | Detecting method of tracking servo signal of optical pickup |
JPS60151845A (en) * | 1984-01-20 | 1985-08-09 | Hitachi Ltd | Optical information recording and reproducing system |
JPS60217538A (en) * | 1985-03-15 | 1985-10-31 | Hitachi Ltd | Optical recording and reproducing device |
JPS6318529A (en) * | 1986-07-11 | 1988-01-26 | Hitachi Ltd | Optical disk tracking system |
JPS6320726A (en) * | 1986-07-15 | 1988-01-28 | Hitachi Ltd | Optical disk device |
JPH01155525A (en) * | 1987-12-11 | 1989-06-19 | Hitachi Ltd | Optical disk device |
US4923168A (en) * | 1987-06-15 | 1990-05-08 | 501 Yamada Yuki Seizo Co., Ltd. | Spool type switching valve device |
US5002468A (en) * | 1987-05-28 | 1991-03-26 | Yamada Yuki Seizo Co., Ltd. | Switching device for reciprocating pumps |
JPH08227531A (en) * | 1985-05-10 | 1996-09-03 | Alcatel Thomson Gigadisc | Reader of information medium having pre-recording pattern |
WO2008120354A1 (en) * | 2007-03-29 | 2008-10-09 | Pioneer Corporation | Multi-layer optical recording medium manufacturing method and multi-layer optical recording device |
-
1979
- 1979-06-11 JP JP7230079A patent/JPS5637A/en active Pending
Cited By (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5837850A (en) * | 1981-08-14 | 1983-03-05 | トムソン−セエスエフ | Optical tracking apparatus accompanying sampling |
JPH059852B2 (en) * | 1981-08-14 | 1993-02-08 | Thomson Csf | |
JPS58501744A (en) * | 1981-10-15 | 1983-10-13 | バロ−ス・コ−ポレ−ション | Preformatted optical media for use in optical memory systems |
JPS58501745A (en) * | 1981-10-15 | 1983-10-13 | バロ−ス・コ−ポレ−ション | 3-beam optical memory system |
JPS59500392A (en) * | 1981-10-15 | 1984-03-08 | バロ−ス・コ−ポレ−ション | Optical memory system provides improved track following |
JPS5891537A (en) * | 1981-11-25 | 1983-05-31 | Hitachi Ltd | Information recording and reproducing system |
JPH0344387B2 (en) * | 1982-03-12 | 1991-07-05 | Thomson Csf | |
JPS58185051A (en) * | 1982-03-12 | 1983-10-28 | トムソン−セエスエフ | Mobile preetched data medium and optical tracking device using same |
JPS58185046A (en) * | 1982-03-12 | 1983-10-28 | トムソン−セエスエフ | Method and device for generating control signal of track scanning spot position of data medium |
JPH08235622A (en) * | 1982-03-12 | 1996-09-13 | Thomson Csf | Apparatus and method for optical tracking for moving data medium |
JPH05197990A (en) * | 1982-03-12 | 1993-08-06 | Thomson Csf | Movable data medium and optical tracking device using movable data medium |
JPS593728A (en) * | 1982-06-15 | 1984-01-10 | トムソン−セエスエフ | Optical method and device for focusing light energy on reference surface of data medium and the medium |
JPS59110044A (en) * | 1982-12-13 | 1984-06-25 | Akai Electric Co Ltd | Detecting method of tracking servo signal of optical pickup |
JPS60151845A (en) * | 1984-01-20 | 1985-08-09 | Hitachi Ltd | Optical information recording and reproducing system |
JPS60217538A (en) * | 1985-03-15 | 1985-10-31 | Hitachi Ltd | Optical recording and reproducing device |
JPH08227531A (en) * | 1985-05-10 | 1996-09-03 | Alcatel Thomson Gigadisc | Reader of information medium having pre-recording pattern |
JPS6318529A (en) * | 1986-07-11 | 1988-01-26 | Hitachi Ltd | Optical disk tracking system |
JPS6320726A (en) * | 1986-07-15 | 1988-01-28 | Hitachi Ltd | Optical disk device |
US5002468A (en) * | 1987-05-28 | 1991-03-26 | Yamada Yuki Seizo Co., Ltd. | Switching device for reciprocating pumps |
US4923168A (en) * | 1987-06-15 | 1990-05-08 | 501 Yamada Yuki Seizo Co., Ltd. | Spool type switching valve device |
JPH01155525A (en) * | 1987-12-11 | 1989-06-19 | Hitachi Ltd | Optical disk device |
WO2008120354A1 (en) * | 2007-03-29 | 2008-10-09 | Pioneer Corporation | Multi-layer optical recording medium manufacturing method and multi-layer optical recording device |
JPWO2008120354A1 (en) * | 2007-03-29 | 2010-07-15 | パイオニア株式会社 | Multilayer optical recording medium manufacturing method and multilayer optical recording medium recording apparatus |
US8111604B2 (en) | 2007-03-29 | 2012-02-07 | Pioneer Corporation | Fabrication method of multilayer optical record medium and recording apparatus for multilayered optical record medium |
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