JPH0212759U - - Google Patents
Info
- Publication number
- JPH0212759U JPH0212759U JP9045388U JP9045388U JPH0212759U JP H0212759 U JPH0212759 U JP H0212759U JP 9045388 U JP9045388 U JP 9045388U JP 9045388 U JP9045388 U JP 9045388U JP H0212759 U JPH0212759 U JP H0212759U
- Authority
- JP
- Japan
- Prior art keywords
- recording medium
- optical
- light
- optical recording
- light beam
- 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
- 230000037431 insertion Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Optical Head (AREA)
Description
第１図は本考案の一実施例のコンパクトデイス
ク再生装置３１を簡略化して示す平面図、第２図
はコンパクトデイスク再生装置３１に用いられる
光学ヘツド３３付近を簡略化して示す断面図、第
３図はコンパクトデイスク再生装置３１の電気的
構成を示すブロツク図、第４図および第５図はコ
ンパクトデイスク３２の挿入／排出動作を説明す
るためのフローチヤート、第６図は先行技術のコ
ンパクトデイスク再生装置１を簡略化して示す平
面図、第７図はコンパクトデイスク再生装置１の
断面図、第８図はコンパクトデイスク再生装置１
の電気的構成を示すブロツク図、第９図および第
１０図はコンパクトデイスク２の挿入／排出動作
を説明するためのフローチヤートである。
３１……コンパクトデイスク再生装置、３２…
…コンパクトデイスク、３３……光学ヘツド、３
４……発光素子、３８……受光素子、３９……光
経路、４５……制御装置、５１……ローデイング
機構、５２……クランプ機構。
FIG. 1 is a simplified plan view showing a compact disc playback device 31 according to an embodiment of the present invention, FIG. 2 is a simplified sectional view showing the vicinity of an optical head 33 used in the compact disc playback device 31, and FIG. The figure is a block diagram showing the electrical configuration of the compact disc playback device 31, Figures 4 and 5 are flowcharts for explaining the insertion/ejection operations of the compact disc 32, and Figure 6 is a prior art compact disc playback. A simplified plan view of the device 1, FIG. 7 is a sectional view of the compact disc playback device 1, and FIG. 8 is a cross-sectional view of the compact disc playback device 1.
9 and 10 are flowcharts for explaining the insertion/ejection operation of the compact disk 2. FIGS. 31... Compact disk playback device, 32...
... Compact disk, 33 ... Optical head, 3
4... Light emitting element, 38... Light receiving element, 39... Optical path, 45... Control device, 51... Loading mechanism, 52... Clamp mechanism.
Claims (1)
を発射し、その反射光を光学ヘツドで受光し、記
録媒体の記録内容を読取るようにした光学的記録
媒体の再生装置において、 前記光学ヘツドで受光された光ビームから、前
記記録媒体が挿入位置にあるか、または排出位置
にあるかなどの検出をも行なうことを特徴とする
光学的記録媒体の再生装置。[Claims for Utility Model Registration] Reproduction of an optical recording medium in which a light beam is emitted onto an optical recording medium made of a light-shielding material, and the reflected light is received by an optical head to read the recorded contents of the recording medium. A reproducing apparatus for an optical recording medium, characterized in that the apparatus also detects whether the recording medium is at an insertion position or an ejection position from a light beam received by the optical head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9045388U JPH0212759U (en) | 1988-07-06 | 1988-07-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9045388U JPH0212759U (en) | 1988-07-06 | 1988-07-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0212759U true JPH0212759U (en) | 1990-01-26 |
Family
ID=31314975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9045388U Pending JPH0212759U (en) | 1988-07-06 | 1988-07-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0212759U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5848068B2 (en) * | 1978-06-21 | 1983-10-26 | 三菱電機株式会社 | Phase rotation detection device |
| JPS61240476A (en) * | 1985-04-17 | 1986-10-25 | Seiko Epson Corp | Magnetic disc device |
-
1988
- 1988-07-06 JP JP9045388U patent/JPH0212759U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5848068B2 (en) * | 1978-06-21 | 1983-10-26 | 三菱電機株式会社 | Phase rotation detection device |
| JPS61240476A (en) * | 1985-04-17 | 1986-10-25 | Seiko Epson Corp | Magnetic disc device |
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