JPS6378312U - - Google Patents
Info
- Publication number
- JPS6378312U JPS6378312U JP17078686U JP17078686U JPS6378312U JP S6378312 U JPS6378312 U JP S6378312U JP 17078686 U JP17078686 U JP 17078686U JP 17078686 U JP17078686 U JP 17078686U JP S6378312 U JPS6378312 U JP S6378312U
- Authority
- JP
- Japan
- Prior art keywords
- recording
- optical
- magneto
- laser diode
- recording medium
- 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 4
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Head (AREA)
Description
図は本考案の録再用光ヘツドの一実施例を示す
構成図である。
１，２…半透過フイルター、１０１…レーザー
ダイオード、１０２…コリメータレンズ、１０３
…全反射ミラー、１０４…対物レンズ、１０５…
ビデオデイスク（光磁気記録媒体）。
The figure is a block diagram showing an embodiment of the recording/playback optical head of the present invention. 1, 2...Semi-transparent filter, 101...Laser diode, 102...Collimator lens, 103
...Total reflection mirror, 104...Objective lens, 105...
Video disc (magneto-optical recording medium).
Claims (1)
ードからのレーザー光を投射して記録および再生
をするようにした録再用光ヘツドにおいて、 上記レーザーダイオードの光路上に半透過フイ
ルターを挿脱自在に配設してなり、この半透過フ
イルターを挿脱することにより光磁気記録媒体の
記録面に到達するレーザー光の光量を調節するこ
とを特徴とする録再用光ヘツド。[Scope of Claim for Utility Model Registration] In an optical recording/playback head that performs recording and reproduction by projecting a laser beam from a laser diode onto the recording surface of a magneto-optical recording medium, there is a semicircle on the optical path of the laser diode. An optical head for recording and reproducing, characterized in that a transmissive filter is freely inserted and removed, and the amount of laser light reaching the recording surface of a magneto-optical recording medium is adjusted by inserting and removing the semi-transmissive filter. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17078686U JPS6378312U (en) | 1986-11-06 | 1986-11-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17078686U JPS6378312U (en) | 1986-11-06 | 1986-11-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6378312U true JPS6378312U (en) | 1988-05-24 |
Family
ID=31105825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17078686U Pending JPS6378312U (en) | 1986-11-06 | 1986-11-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6378312U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5237007A (en) * | 1975-09-17 | 1977-03-22 | Matsushita Electric Ind Co Ltd | Optical recording reproducing equipment |
-
1986
- 1986-11-06 JP JP17078686U patent/JPS6378312U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5237007A (en) * | 1975-09-17 | 1977-03-22 | Matsushita Electric Ind Co Ltd | Optical recording reproducing equipment |
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