JPS6322615U - - Google Patents
Info
- Publication number
- JPS6322615U JPS6322615U JP11303386U JP11303386U JPS6322615U JP S6322615 U JPS6322615 U JP S6322615U JP 11303386 U JP11303386 U JP 11303386U JP 11303386 U JP11303386 U JP 11303386U JP S6322615 U JPS6322615 U JP S6322615U
- Authority
- JP
- Japan
- Prior art keywords
- optical disk
- disk head
- light receiving
- detecting
- receiving window
- 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 7
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Optical Head (AREA)
Description
第１図ａは本考案の一実施例の光デイスクヘツ
ドの平面図、第１図ｂは同側面図、第２図は第１
図の機能及び構成を示す動作説明図、第３図は第
２図の時間関係を示すタイミング図である。
１……光デイスクヘツド、２……対物レンズ、
３……受光素子、４……キヤツプ、５……レーザ
入出射窓、６……光デイスク媒体検出用受光用窓
、７……光デイスク媒体、８……モータ、９……
半導体レーザ、１０……回折格子、１１……ビー
ムスプリツタ、１２……駆動コイル、１３……光
検出器、１４……データ信号、１５……フオーカ
ス制御信号、１６……トラツキング制御信号。
FIG. 1a is a plan view of an optical disk head according to an embodiment of the present invention, FIG. 1b is a side view of the same, and FIG.
FIG. 3 is a timing chart showing the time relationship in FIG. 2. 1... Optical disk head, 2... Objective lens,
3... Light receiving element, 4... Cap, 5... Laser input/output window, 6... Light receiving window for detecting optical disk medium, 7... Optical disk medium, 8... Motor, 9...
Semiconductor laser, 10...Diffraction grating, 11...Beam splitter, 12...Drive coil, 13...Photodetector, 14...Data signal, 15...Focus control signal, 16...Tracking control signal.
Claims (1)
体検出用の受光窓を設けたことを特徴とする光デ
イスクヘツド。 An optical disk head characterized in that a light receiving window for detecting an optical disk medium is provided on a light input/output surface of the optical disk head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11303386U JPS6322615U (en) | 1986-07-23 | 1986-07-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11303386U JPS6322615U (en) | 1986-07-23 | 1986-07-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6322615U true JPS6322615U (en) | 1988-02-15 |
Family
ID=30994453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11303386U Pending JPS6322615U (en) | 1986-07-23 | 1986-07-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6322615U (en) |
-
1986
- 1986-07-23 JP JP11303386U patent/JPS6322615U/ja active Pending