JPH0164176U - - Google Patents
Info
- Publication number
- JPH0164176U JPH0164176U JP1987157989U JP15798987U JPH0164176U JP H0164176 U JPH0164176 U JP H0164176U JP 1987157989 U JP1987157989 U JP 1987157989U JP 15798987 U JP15798987 U JP 15798987U JP H0164176 U JPH0164176 U JP H0164176U
- Authority
- JP
- Japan
- Prior art keywords
- optical card
- recording
- card
- optical
- reproduction
- 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 10
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
図は記録トラツクのパターンを示す光カードの平
面図、第２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（光学系手段）、Ｔ１〜Ｔｎ
…同心円状記録トラツク、Ｓ１〜Ｓｍ…同心円状
記録トラツク。
The drawing shows one embodiment of this invention.
The figure is a plan view of the optical card showing the pattern of recording tracks, and FIG. 2 is a schematic perspective view. 1... Optical card, 2... Drive motor (rotating device),
5... Optical pickup (optical system means), T 1 to T n
...Concentric recording track, S1 to Sm ...Concentric recording track.
Claims (1)
行なう光学系手段と、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、前記光カードにカ
ード中心位置から同心円状の複数の記録トラツク
を形成し、前記光カードの長手方向両側に最外周
の前記記録トラツク外に位置させて同心円弧状の
複数の記録トラツクを形成したことを特徴とする
光カード装置。 Optical system means for optically performing recording and reproduction on a rectangular optical card and a rotation device for rotating the optical card during recording and reproduction are provided, and a plurality of concentric recording tracks are formed on the optical card from the center position of the card. An optical card device comprising: a plurality of concentric arc-shaped recording tracks located outside the outermost recording track on both sides of the optical card in the longitudinal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987157989U JPH0164176U (en) | 1987-10-15 | 1987-10-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987157989U JPH0164176U (en) | 1987-10-15 | 1987-10-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0164176U true JPH0164176U (en) | 1989-04-25 |
Family
ID=31437913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987157989U Pending JPH0164176U (en) | 1987-10-15 | 1987-10-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0164176U (en) |
-
1987
- 1987-10-15 JP JP1987157989U patent/JPH0164176U/ja active Pending
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