JPH042324U - - Google Patents
Info
- Publication number
- JPH042324U JPH042324U JP4141890U JP4141890U JPH042324U JP H042324 U JPH042324 U JP H042324U JP 4141890 U JP4141890 U JP 4141890U JP 4141890 U JP4141890 U JP 4141890U JP H042324 U JPH042324 U JP H042324U
- Authority
- JP
- Japan
- Prior art keywords
- cassette
- beam output
- disk
- optical disk
- outer shell
- 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 2
- 238000005259 measurement Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Head (AREA)
Description
図面は本考案光学ヘツドのビーム出力測定用カ
セツトを光磁気デイスクプレーヤにおける光学ヘ
ツドのビーム出力測定用カセツトに適用した実施
の一例を示すものであり、第１図は斜視図、第２
図は一部を切り欠いて示す拡大平面図、第３図は
ビーム出力測定用カセツトのブロツク図、第４図
はビーム出力測定用カセツトが装着された状態の
光磁気デイスクプレーヤを示す要部の垂直断面図
、第５図は光磁気デイスクカセツトの斜視図、第
６図は光磁気デイスクカセツトが装着された状態
の光磁気デイスクプレーヤを示す要部の垂直断面
図である。
符号の説明、１……デイスクカセツト、２……
カセツトケース、９……光学デイスク、１５……
記録再生装置、２３……光学ヘツド、２８……ビ
ーム出力測定用カセツト、２Ａ……外殻、３０…
…ビーム出力検出用受光素子。
The drawings show an example of an embodiment in which the cassette for measuring the beam output of an optical head of the present invention is applied to a cassette for measuring the beam output of an optical head in a magneto-optical disk player.
The figure is an enlarged plan view with a part cut away, Figure 3 is a block diagram of the beam output measurement cassette, and Figure 4 shows the main parts of the magneto-optical disk player with the beam output measurement cassette installed. 5 is a perspective view of the magneto-optical disk cassette, and FIG. 6 is a vertical sectional view of the main parts of the magneto-optical disk player with the magneto-optical disk cassette installed. Explanation of symbols, 1...Disk cassette, 2...
Cassette case, 9... Optical disk, 15...
Recording/reproducing device, 23... Optical head, 28... Cassette for beam output measurement, 2A... Outer shell, 30...
...Photodetector for beam output detection.
Claims (1)
イスクカセツトを使用する記録再生装置の光学ヘ
ツドのビーム出力測定用カセツトであつて、 上記デイスクカセツトのカセツトケースと略同
じ外殻を備え、 該外殻のうちカセツトケース内に収納された光
学デイスクの記録領域の最内周部と対応した位置
にビーム出力検出用受光素子を設けた ことを特徴とする光学ヘツドのビーム出力測定用
カセツト。[Scope of Claim for Utility Model Registration] A cassette for measuring the beam output of an optical head of a recording/reproducing device using a disk cassette in which an optical disk is housed in a cassette case, the cassette having an outer shell substantially the same as the cassette case of the above-mentioned disk cassette. For measuring beam output of an optical head, comprising: a light receiving element for beam output detection provided in the outer shell at a position corresponding to the innermost circumference of the recording area of the optical disk housed in the cassette case. Cassette.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4141890U JPH042324U (en) | 1990-04-18 | 1990-04-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4141890U JPH042324U (en) | 1990-04-18 | 1990-04-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH042324U true JPH042324U (en) | 1992-01-09 |
Family
ID=31552070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4141890U Pending JPH042324U (en) | 1990-04-18 | 1990-04-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH042324U (en) |
-
1990
- 1990-04-18 JP JP4141890U patent/JPH042324U/ja active Pending