JPH0164128U - - Google Patents
Info
- Publication number
- JPH0164128U JPH0164128U JP1987157990U JP15799087U JPH0164128U JP H0164128 U JPH0164128 U JP H0164128U JP 1987157990 U JP1987157990 U JP 1987157990U JP 15799087 U JP15799087 U JP 15799087U JP H0164128 U JPH0164128 U JP H0164128U
- Authority
- JP
- Japan
- Prior art keywords
- card
- optical
- optical card
- reproduction
- detection signal
- 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 9
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Optical Recording Or Reproduction (AREA)
Description
図面はこの考案の一実施例を示すもので、第１
図はブロツク図、第２図はトラツク誤差信号の検
出原理を示す説明図、第３図はトラツク信号の波
形図、第４図は記録トラツクのパターンを示す光
カードの平面図、第５図は概略斜視図である。
１…光カード、２…駆動モータ（回転装置）、
５…光ピツクアツプ、１４…減算器（出力手段）
、Ｔ，Ｓ…記録トラツク。
The drawing shows one embodiment of this invention.
Figure 2 is a block diagram, Figure 2 is an explanatory diagram showing the detection principle of the track error signal, Figure 3 is a waveform diagram of the track signal, Figure 4 is a plan view of the optical card showing the recording track pattern, and Figure 5 is an explanatory diagram showing the principle of detecting the track error signal. It is a schematic perspective view. 1... Optical card, 2... Drive motor (rotating device),
5... Optical pickup, 14... Subtractor (output means)
, T, S...recording track.
Claims (1)
行なう光ピツクアツプと、記録再生時に前記光カ
ードを回転させる回転装置を設け、前記光カード
に同心円状ないしは円弧状の複数の記録トラツク
を形成し、前記光カードを装置本体にローデイン
グして位置決め停止させる際に前記乞ピツクアツ
プ中のトラツキング用受光素子から得られるトラ
ツク検出信号に基づきカード位置検出信号を出力
する手段を設けたことを特徴とする光カード装置
。 An optical pickup that optically performs recording and reproduction on a rectangular optical card and a rotation device that rotates the optical card during recording and reproduction are provided, and a plurality of concentric or arc-shaped recording tracks are formed on the optical card. , an optical device comprising means for outputting a card position detection signal based on a track detection signal obtained from the tracking light receiving element during the pickup when the optical card is loaded into the apparatus main body and positioned and stopped. card device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987157990U JPH0164128U (en) | 1987-10-15 | 1987-10-15 | |
| US07/258,693 US5059774A (en) | 1987-10-15 | 1988-10-17 | Seek and track control for a rectangular optical card handling apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987157990U JPH0164128U (en) | 1987-10-15 | 1987-10-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0164128U true JPH0164128U (en) | 1989-04-25 |
Family
ID=31437915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987157990U Pending JPH0164128U (en) | 1987-10-15 | 1987-10-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0164128U (en) |
-
1987
- 1987-10-15 JP JP1987157990U patent/JPH0164128U/ja active Pending
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