JPH0181756U - - Google Patents
Info
- Publication number
- JPH0181756U JPH0181756U JP1987176548U JP17654887U JPH0181756U JP H0181756 U JPH0181756 U JP H0181756U JP 1987176548 U JP1987176548 U JP 1987176548U JP 17654887 U JP17654887 U JP 17654887U JP H0181756 U JPH0181756 U JP H0181756U
- Authority
- JP
- Japan
- Prior art keywords
- optical disk
- rotational position
- shaped recording
- light
- information recording
- 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
- 230000003287 optical effect Effects 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 5
- 230000035945 sensitivity Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
Description
第１図は、本考案の第１実施例を光学的情報記
録再生装置に取り付けた部分の斜視面、第２図は
第１実施例の回路図、第３図は一体構成部を示す
斜視図、第４図は第２実施例を光学的情報記録再
生装置に取り付けた部分の斜視面、第５図は一体
構成部を示す斜視図、第６図は第２図の変形例を
示す回路図、第７図及び第８図は従来例を示す図
である。
４……フオトリフレクタ、１１……光学的情報
記録再生装置、１２……回転位置検出装置、１３
……感度補正用抵抗器。
Fig. 1 is a perspective view of a portion of the first embodiment of the present invention attached to an optical information recording/reproducing device, Fig. 2 is a circuit diagram of the first embodiment, and Fig. 3 is a perspective view showing an integrated component. , FIG. 4 is a perspective view of the part in which the second embodiment is attached to an optical information recording/reproducing device, FIG. 5 is a perspective view showing an integrated component, and FIG. 6 is a circuit diagram showing a modification of FIG. 2. , FIG. 7, and FIG. 8 are diagrams showing conventional examples. 4...Photoreflector, 11...Optical information recording/reproducing device, 12...Rotational position detection device, 13
...Resistor for sensitivity correction.
Claims (1)
置表示と光学的に検出するための光検出手段と、
前記光検出手段の感度を調整するための調整手段
と、前記光検出手段から得た回転位置表示信号を
処理する信号処理手段とを有する光学的情報記録
再生装置における光学的デイスク状記録媒体の回
転位置検出装置において、少なくとも前記光検出
手段と前記調整手段とを一体に構成し、前記一体
構成部を前記光学的情報記録再生装置に対して着
脱可能としたことを特徴とする光学的デイスク状
記録媒体の回転位置検出装置。 a rotational position display provided on an optical disk-shaped recording medium and a light detection means for optically detecting the rotation position;
Rotation of an optical disk-shaped recording medium in an optical information recording/reproducing apparatus having an adjusting means for adjusting the sensitivity of the light detecting means and a signal processing means for processing a rotational position indicating signal obtained from the light detecting means. In the position detection device, an optical disk-shaped recording characterized in that at least the light detection means and the adjustment means are integrally constructed, and the integral component is detachable from the optical information recording/reproducing device. Media rotational position detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987176548U JPH0181756U (en) | 1987-11-19 | 1987-11-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987176548U JPH0181756U (en) | 1987-11-19 | 1987-11-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0181756U true JPH0181756U (en) | 1989-05-31 |
Family
ID=31468278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987176548U Pending JPH0181756U (en) | 1987-11-19 | 1987-11-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0181756U (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5928862B2 (en) * | 1979-01-17 | 1984-07-16 | 富士電機株式会社 | gas detection device |
| JPS60239964A (en) * | 1984-05-15 | 1985-11-28 | Seiko Epson Corp | Index signal generator |
| JPS61276170A (en) * | 1985-05-31 | 1986-12-06 | Toshiba Corp | Index detecting circuit |
| JPS62239467A (en) * | 1986-04-10 | 1987-10-20 | Matsushita Electric Ind Co Ltd | floppy disk drive device |
-
1987
- 1987-11-19 JP JP1987176548U patent/JPH0181756U/ja active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5928862B2 (en) * | 1979-01-17 | 1984-07-16 | 富士電機株式会社 | gas detection device |
| JPS60239964A (en) * | 1984-05-15 | 1985-11-28 | Seiko Epson Corp | Index signal generator |
| JPS61276170A (en) * | 1985-05-31 | 1986-12-06 | Toshiba Corp | Index detecting circuit |
| JPS62239467A (en) * | 1986-04-10 | 1987-10-20 | Matsushita Electric Ind Co Ltd | floppy disk drive device |
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