JPS6358371U - - Google Patents
Info
- Publication number
- JPS6358371U JPS6358371U JP14950986U JP14950986U JPS6358371U JP S6358371 U JPS6358371 U JP S6358371U JP 14950986 U JP14950986 U JP 14950986U JP 14950986 U JP14950986 U JP 14950986U JP S6358371 U JPS6358371 U JP S6358371U
- Authority
- JP
- Japan
- Prior art keywords
- arc
- positioning scale
- head
- slit pattern
- optical sensor
- 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 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Moving Of Head For Track Selection And Changing (AREA)
Description
第１図は本考案の位置決めスケールの一実施例
を示す平面図、第２図ａ，ｂは基準線と基準穴の
拡大図、第３図は磁気デイスク再生機の概要説明
図、第４図はセンサーと位置決めスケールの斜視
図、第５図はセンサーの内面図、第６図は出力波
形図、第７図はスリツトパターンの説明図である
。
図中、１２はヘツドアーム、１３は磁気ヘツド
、２０はセンサー、２３は基準穴、４０は位置決
めスケール、４１は円弧状のスリツトパターン、
４２は基準線を示す。
Fig. 1 is a plan view showing an embodiment of the positioning scale of the present invention, Figs. 2 a and b are enlarged views of the reference line and reference hole, Fig. 3 is a schematic explanatory diagram of the magnetic disk player, and Fig. 4 5 is a perspective view of the sensor and the positioning scale, FIG. 5 is an inner view of the sensor, FIG. 6 is an output waveform diagram, and FIG. 7 is an explanatory diagram of the slit pattern. In the figure, 12 is a head arm, 13 is a magnetic head, 20 is a sensor, 23 is a reference hole, 40 is a positioning scale, 41 is an arcuate slit pattern,
42 indicates a reference line.
Claims (1)
ヘツドアームに取り付けられた磁気ヘツド、及び
光学センサーと、前記光学センサーに対峙して基
台に取り付けられる位置決めスケールからなり、
前記位置決めスケールには、円弧状のスリツトパ
ターンと、前記円弧状のスリツトパターンと同心
円であつて、かつ幅狭とされている円弧状の基準
線が設けられていることを特徴とする磁気ヘツド
の位置決めスケール。 It consists of a head arm that rotates about an axis, a magnetic head attached to the head arm, an optical sensor, and a positioning scale attached to a base opposite to the optical sensor,
The positioning scale is provided with an arc-shaped slit pattern and an arc-shaped reference line that is concentric with the arc-shaped slit pattern and has a narrow width. Head positioning scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14950986U JPS6358371U (en) | 1986-10-01 | 1986-10-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14950986U JPS6358371U (en) | 1986-10-01 | 1986-10-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6358371U true JPS6358371U (en) | 1988-04-19 |
Family
ID=31064784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14950986U Pending JPS6358371U (en) | 1986-10-01 | 1986-10-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6358371U (en) |
-
1986
- 1986-10-01 JP JP14950986U patent/JPS6358371U/ja active Pending