JPS61158698U - - Google Patents
Info
- Publication number
- JPS61158698U JPS61158698U JP4062685U JP4062685U JPS61158698U JP S61158698 U JPS61158698 U JP S61158698U JP 4062685 U JP4062685 U JP 4062685U JP 4062685 U JP4062685 U JP 4062685U JP S61158698 U JPS61158698 U JP S61158698U
- Authority
- JP
- Japan
- Prior art keywords
- disk
- illumination means
- playback device
- window
- see
- 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
- 238000005286 illumination Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
Description
第１図は本考案のデイスク再生装置を示す図、
第２図は回折現象の説明に供する図、第３図は照
明手段と回折像の関係を示す図、第４図はデイス
ク表面上に生じる回折像を示す図である。
３……デイスク、４は照明手段、５は透視窓部
。
FIG. 1 is a diagram showing a disc playback device of the present invention;
FIG. 2 is a diagram for explaining the diffraction phenomenon, FIG. 3 is a diagram showing the relationship between the illumination means and the diffraction image, and FIG. 4 is a diagram showing the diffraction image generated on the disk surface. 3...A disk, 4 an illumination means, and 5 a see-through window.
Claims (1)
の表面を照射すべく、このデイスク表面の上方位
置に配置された照明手段と、デイスク表面による
前記照明手段の回折像を観測する為の透視窓部を
有することを特徴とするデイスク再生装置。 It has an illumination means arranged above the surface of the disk to illuminate the surface of the disk housed in the main body of the disk playback device, and a see-through window for observing the diffraction image of the illumination means by the surface of the disk. A disc playback device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4062685U JPS61158698U (en) | 1985-03-20 | 1985-03-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4062685U JPS61158698U (en) | 1985-03-20 | 1985-03-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61158698U true JPS61158698U (en) | 1986-10-01 |
Family
ID=30549689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4062685U Pending JPS61158698U (en) | 1985-03-20 | 1985-03-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61158698U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59177701A (en) * | 1983-03-28 | 1984-10-08 | Toshiba Audio Video Eng Corp | Checking device of disc |
-
1985
- 1985-03-20 JP JP4062685U patent/JPS61158698U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59177701A (en) * | 1983-03-28 | 1984-10-08 | Toshiba Audio Video Eng Corp | Checking device of disc |
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