JPH0159914U - - Google Patents
Info
- Publication number
- JPH0159914U JPH0159914U JP15490087U JP15490087U JPH0159914U JP H0159914 U JPH0159914 U JP H0159914U JP 15490087 U JP15490087 U JP 15490087U JP 15490087 U JP15490087 U JP 15490087U JP H0159914 U JPH0159914 U JP H0159914U
- Authority
- JP
- Japan
- Prior art keywords
- optical card
- lens drive
- card processing
- processing device
- optical
- 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 12
- 238000001514 detection method Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Description
第１図はこの考案の光カード処理装置の特徴部
分を示す回路ブロツク図、第２図および第３図は
対物レンズの位置とレンズ駆動部に流れる電流と
の関係を示す説明図、第４図はこの考案の一実施
例にかかる光カード処理装置の機構を示す平面図
、第５図は第４図―線に沿う断面図、第６図
および第７図はカード傾き補正機構の説明図、第
８図は従来の光カード処理装置の斜面図、第９図
は情報記録部を拡大して示した光カードの平面図
である。
１００……光カード傾き検出装置、１０１……
トラツクサーボ機構、１０５……レンズ駆動部、
１０６……対物レンズ、１０７……電流検出部。
Fig. 1 is a circuit block diagram showing the characteristic parts of the optical card processing device of this invention, Figs. 2 and 3 are explanatory diagrams showing the relationship between the position of the objective lens and the current flowing through the lens drive section, and Fig. 4. is a plan view showing the mechanism of an optical card processing device according to an embodiment of the invention, FIG. 5 is a sectional view taken along the line of FIG. 4, FIGS. 6 and 7 are explanatory diagrams of the card tilt correction mechanism, FIG. 8 is a perspective view of a conventional optical card processing device, and FIG. 9 is a plan view of the optical card showing an enlarged information recording section. 100... Optical card tilt detection device, 101...
Track servo mechanism, 105...lens drive unit,
106... Objective lens, 107... Current detection unit.
Claims (1)
ンズを変位させることにより、トラツキングやフ
オーカシングの各サーボ動作を行つて、光カード
に対する情報の記録または再生を行う光カード処
理装置において、 前記レンズ駆動部には、サーボ動作時にレンズ
駆動部に流れる電流を検出するための電流検出部
が設けられて成る光カード処理装置。 電流検出部には、光カードの傾きを検出する
光カード傾き検出装置が接続されている実用新案
登録請求の範囲第１項記載の光カード処理装置。[Claim for Utility Model Registration] Optical card processing that records or reproduces information on an optical card by performing tracking and focusing servo operations by displacing the objective lens of an optical head by applying electricity to a lens drive unit. An optical card processing device, wherein the lens drive section is provided with a current detection section for detecting a current flowing through the lens drive section during servo operation. The optical card processing device according to claim 1, wherein the current detection section is connected to an optical card tilt detection device for detecting the tilt of the optical card.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15490087U JPH0159914U (en) | 1987-10-08 | 1987-10-08 | |
| US07/674,308 US5179268A (en) | 1987-07-22 | 1991-03-25 | Apparatus for detecting inclination of an optical card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15490087U JPH0159914U (en) | 1987-10-08 | 1987-10-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0159914U true JPH0159914U (en) | 1989-04-14 |
Family
ID=31432044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15490087U Pending JPH0159914U (en) | 1987-07-22 | 1987-10-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0159914U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS607665A (en) * | 1983-06-27 | 1985-01-16 | Mitsubishi Electric Corp | Device for controlling carrying of pickup of disc reproducing device |
-
1987
- 1987-10-08 JP JP15490087U patent/JPH0159914U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS607665A (en) * | 1983-06-27 | 1985-01-16 | Mitsubishi Electric Corp | Device for controlling carrying of pickup of disc reproducing device |
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