JPS63105935U - - Google Patents
Info
- Publication number
- JPS63105935U JPS63105935U JP20222586U JP20222586U JPS63105935U JP S63105935 U JPS63105935 U JP S63105935U JP 20222586 U JP20222586 U JP 20222586U JP 20222586 U JP20222586 U JP 20222586U JP S63105935 U JPS63105935 U JP S63105935U
- Authority
- JP
- Japan
- Prior art keywords
- ground brush
- magnetic
- magnet
- head assembly
- rotary head
- 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
- 238000001514 detection method Methods 0.000 claims description 3
Description
第１図はこの考案の一実施例による回転ヘツド
アセンブリの縦断面図、第２図はこの考案の他の
実施例の縦断面図、第３図は従来の回転ヘツドア
センブリの縦断面図、第４図は特願昭６１ー２０
６１９号により提案された回転ヘツドアセンブリ
の縦断面図である。
図において、１は磁気ヘツド、２は回転シリン
ダ、３は固定シリンダ、８はマグネツト、１１は
磁界検出素子、１４はアースブラシ、１５はアー
スブラシ支持部材、Ｇは空隙である。なお、各図
中同一符号は同一または相当部を示す。
FIG. 1 is a longitudinal sectional view of a rotary head assembly according to one embodiment of the invention, FIG. 2 is a longitudinal sectional view of another embodiment of the invention, and FIG. 3 is a longitudinal sectional view of a conventional rotary head assembly. Figure 4 is a patent application filed in 1986-20.
619 is a vertical cross-sectional view of the rotary head assembly proposed by No. 619; FIG. In the figure, 1 is a magnetic head, 2 is a rotating cylinder, 3 is a fixed cylinder, 8 is a magnet, 11 is a magnetic field detection element, 14 is a ground brush, 15 is a ground brush support member, and G is a gap. Note that the same reference numerals in each figure indicate the same or equivalent parts.
Claims (1)
プの走行を案内する固定シリンダ、前記回転シリ
ンダに設けられた回転位置検出用のマグネツト、
このマグネツトの磁界を検出する磁界検出素子、
前記回転シリンダ等の回転部分に当接するアース
ブラシおよびアース電位の非回転部分に接続され
前記アースブラシを支持するアースブラシ支持部
材を備えた磁気記録再生装置の回転ヘツドアセン
ブリにおいて、前記マグネツトを前記回転シリン
ダの外面に設けると共に前記磁界検出素子を前記
マグネツトの回転軌道に空隙を介して対向するよ
うに前記アースブラシまたはアースブラシ支持部
材に装着したことを特徴とする磁気記録再生装置
の回転ヘツドアセンブリ。 A rotating cylinder that supports the magnetic head, a fixed cylinder that guides the running of the magnetic tape, a magnet for detecting the rotational position provided on the rotating cylinder,
A magnetic field detection element that detects the magnetic field of this magnet,
In a rotary head assembly of a magnetic recording/reproducing device, the rotary head assembly of a magnetic recording/reproducing device includes a ground brush that comes into contact with a rotating part such as the rotating cylinder, and a ground brush support member that is connected to a non-rotating part that has a ground potential and supports the ground brush. A rotary head assembly for a magnetic recording and reproducing apparatus, characterized in that the magnetic field detection element is provided on the outer surface of a cylinder and is mounted on the ground brush or the ground brush support member so as to face the rotational orbit of the magnet with a gap in between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20222586U JPS63105935U (en) | 1986-12-24 | 1986-12-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20222586U JPS63105935U (en) | 1986-12-24 | 1986-12-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63105935U true JPS63105935U (en) | 1988-07-08 |
Family
ID=31166404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20222586U Pending JPS63105935U (en) | 1986-12-24 | 1986-12-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63105935U (en) |
-
1986
- 1986-12-24 JP JP20222586U patent/JPS63105935U/ja active Pending
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