JPS62198561U - - Google Patents
Info
- Publication number
- JPS62198561U JPS62198561U JP8612186U JP8612186U JPS62198561U JP S62198561 U JPS62198561 U JP S62198561U JP 8612186 U JP8612186 U JP 8612186U JP 8612186 U JP8612186 U JP 8612186U JP S62198561 U JPS62198561 U JP S62198561U
- Authority
- JP
- Japan
- Prior art keywords
- continuous
- movement amount
- predetermined length
- transmission part
- transmitting portion
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000004886 head movement Effects 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 3
Landscapes
- Moving Of Head For Track Selection And Changing (AREA)
- Moving Of The Head To Find And Align With The Track (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Description
第１図は本考案の一実施例に用いるヘツド移動
量目盛板の一例を示す斜視図、第２図ａおよびｂ
は、従来の光ヘツド位置決め装置の構成の一例を
示す平面図および正面図である。
１１…ヘツド移動量目盛板、１２…格子状透過
部、１３…連続透過部、１４…非連続透過部。
Fig. 1 is a perspective view showing an example of a head movement scale plate used in an embodiment of the present invention, Fig. 2 a and b
1A and 1B are a plan view and a front view showing an example of the configuration of a conventional optical head positioning device. DESCRIPTION OF SYMBOLS 11... Head movement amount scale plate, 12... Grid-shaped transmission part, 13... Continuous transmission part, 14... Discontinuous transmission part.
Claims (1)
部とがおのおの所定の寸法で交互に配置された格
子状透過部を有し、前記格子状透過部の一方の外
側に所定の長さ以上の連続透過部を有し、前記格
子状透過部の他方の外側に所定の長さ以上の連続
非透過部を有するヘツド移動量目盛板を備える光
ヘツド機構部と、 前記ヘツド移動量目盛板に対応して設けられて
前記格子透過部または前記連続透過部または前記
連続非透過部を読取つて電気信号に変換して出力
するヘツド移動量検出器と を具備することを特徴とする光ヘツド位置決め装
置。[Claims for Utility Model Registration] A lattice-shaped transparent part is provided in the central portion over a predetermined length, and transparent parts and non-transparent parts are alternately arranged with predetermined dimensions, and the grid-shaped transparent part has An optical head mechanism unit comprising a head movement amount scale plate having a continuous transmitting portion having a predetermined length or more on one outer side and having a continuous non-transmitting portion having a predetermined length or more on the other outer side of the grid-shaped transmitting portion. and a head movement amount detector which is provided corresponding to the head movement amount scale plate and reads the grating transmission part, the continuous transmission part, or the continuous non-transmission part, converts it into an electric signal, and outputs the electric signal. An optical head positioning device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8612186U JPH0544931Y2 (en) | 1986-06-05 | 1986-06-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8612186U JPH0544931Y2 (en) | 1986-06-05 | 1986-06-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62198561U true JPS62198561U (en) | 1987-12-17 |
| JPH0544931Y2 JPH0544931Y2 (en) | 1993-11-16 |
Family
ID=30942141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8612186U Expired - Lifetime JPH0544931Y2 (en) | 1986-06-05 | 1986-06-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0544931Y2 (en) |
-
1986
- 1986-06-05 JP JP8612186U patent/JPH0544931Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0544931Y2 (en) | 1993-11-16 |