JPH0296623U - - Google Patents
Info
- Publication number
- JPH0296623U JPH0296623U JP351489U JP351489U JPH0296623U JP H0296623 U JPH0296623 U JP H0296623U JP 351489 U JP351489 U JP 351489U JP 351489 U JP351489 U JP 351489U JP H0296623 U JPH0296623 U JP H0296623U
- Authority
- JP
- Japan
- Prior art keywords
- laser beam
- storage medium
- control device
- pickup device
- optical pickup
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Optical Recording Or Reproduction (AREA)
- Optical Head (AREA)
Description
第１図は本考案の一実施例にかかる半導体レー
ザ駆動制御装置を示すブロツク図、第２図は第１
図の装置の動作を説明するための波形図、第３図
は光デイスクの記録トラツクに形成されているセ
クタの形式を例示した概略図である。
４……光デイスク駆動装置制御部、５……レベ
ル設定器、Ｒ１，Ｒ３……抵抗、Ｒ２……タツプ
付き抵抗、ＳＷ……スイツチ。
FIG. 1 is a block diagram showing a semiconductor laser drive control device according to an embodiment of the present invention, and FIG.
FIG. 3 is a waveform diagram for explaining the operation of the apparatus shown in the figure, and FIG. 3 is a schematic diagram illustrating the format of sectors formed on a recording track of an optical disk. 4...Optical disk drive control unit, 5...Level setter, R1, R3...Resistor, R2...Resistor with tap, SW...Switch.
Claims (1)
アツプ装置の制御装置において、光記憶媒体に形
成されている記録トラツクのフラグ部のデータ記
録時に光源レーザビーム強度を上昇させるレーザ
ビーム強度制御手段を備えたことを特徴とする光
ピツクアツプ装置の制御装置。 A control device for an optical pickup device that records/reproduces data on an optical storage medium, comprising a laser beam intensity control means for increasing the intensity of a light source laser beam when recording data on a flag portion of a recording track formed on an optical storage medium. A control device for an optical pickup device, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP351489U JPH0753128Y2 (en) | 1989-01-18 | 1989-01-18 | Optical pickup device control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP351489U JPH0753128Y2 (en) | 1989-01-18 | 1989-01-18 | Optical pickup device control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0296623U true JPH0296623U (en) | 1990-08-01 |
| JPH0753128Y2 JPH0753128Y2 (en) | 1995-12-06 |
Family
ID=31205213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP351489U Expired - Lifetime JPH0753128Y2 (en) | 1989-01-18 | 1989-01-18 | Optical pickup device control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0753128Y2 (en) |
-
1989
- 1989-01-18 JP JP351489U patent/JPH0753128Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0753128Y2 (en) | 1995-12-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |