JPS6222740U - - Google Patents
Info
- Publication number
- JPS6222740U JPS6222740U JP11121485U JP11121485U JPS6222740U JP S6222740 U JPS6222740 U JP S6222740U JP 11121485 U JP11121485 U JP 11121485U JP 11121485 U JP11121485 U JP 11121485U JP S6222740 U JPS6222740 U JP S6222740U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic tape
- circumferential surface
- outer circumferential
- guided
- rotating video
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005415 magnetization Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Recording Or Reproducing By Magnetic Means (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
Description
第１図は本考案の一実施例のＶＴＲの回転ヘツ
ド装置の要部拡大断面図、第２図は同平面図、第
３図は同側面図、第４図は同磁化トラツクを示す
パターン図、第５図は従来例のＶＴＲの要部平面
図、第６図は同回転ヘツド装置の断面図、第７図
は同磁気テープと回転ヘツドとの接触状態断面図
、第８図は同磁化トラツクを示すパターン図、第
９図は同再生信号を示す波形図である。
１……磁気テープ、５，５′……回転ビデオヘ
ツド、６ａ……回転上ドラム、１１……外周面、
２４……固定下ドラム、２５……磁気テープ案内
外周面、２７……磁気テープ押圧規制部材、２８
……回動支持板、３０……回動軸、３３……コイ
ルバネ、３５……案内溝、３８……電磁石の鉄心
、４０……電磁石コイル。
FIG. 1 is an enlarged cross-sectional view of a main part of a rotary head device of a VTR according to an embodiment of the present invention, FIG. 2 is a plan view of the same, FIG. 3 is a side view of the same, and FIG. 4 is a pattern diagram showing the magnetization track of the same. , FIG. 5 is a plan view of essential parts of a conventional VTR, FIG. 6 is a sectional view of the rotary head device, FIG. 7 is a sectional view of the state of contact between the magnetic tape and the rotary head, and FIG. 8 is the magnetization. FIG. 9 is a pattern diagram showing the track, and FIG. 9 is a waveform diagram showing the reproduced signal. 1... Magnetic tape, 5, 5'... Rotating video head, 6a... Rotating upper drum, 11... Outer peripheral surface,
24...Fixed lower drum, 25...Magnetic tape guide outer peripheral surface, 27...Magnetic tape pressure regulating member, 28
... Rotation support plate, 30 ... Rotation shaft, 33 ... Coil spring, 35 ... Guide groove, 38 ... Iron core of electromagnet, 40 ... Electromagnet coil.
Claims (1)
突出し、磁気テープをヘリカル状に巻付け案内す
る円筒状の磁気テープ案内外周面と、前記磁気テ
ープ案内外周面に巻付け案内された磁気テープの
端部を挾む如く前記磁気テープ案内外周面側に押
圧規制する磁気テープ押圧部材とを備えたことを
特徴とする磁気記録再生装置の回転ヘツド装置。 A rotating video head, a cylindrical magnetic tape guiding outer circumferential surface from which the rotating video head protrudes and around which a magnetic tape is helically wound and guided, and an end portion of the magnetic tape wound and guided around the magnetic tape guiding outer circumferential surface. 1. A rotary head device for a magnetic recording and reproducing apparatus, comprising: a magnetic tape pressing member that presses and restricts pressure on the outer peripheral surface of the magnetic tape guide so as to sandwich the magnetic tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985111214U JPH0351788Y2 (en) | 1985-07-19 | 1985-07-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985111214U JPH0351788Y2 (en) | 1985-07-19 | 1985-07-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6222740U true JPS6222740U (en) | 1987-02-12 |
| JPH0351788Y2 JPH0351788Y2 (en) | 1991-11-07 |
Family
ID=30990927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985111214U Expired JPH0351788Y2 (en) | 1985-07-19 | 1985-07-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0351788Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50157209U (en) * | 1974-06-13 | 1975-12-26 | ||
| JPS56111469U (en) * | 1980-01-24 | 1981-08-28 |
-
1985
- 1985-07-19 JP JP1985111214U patent/JPH0351788Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50157209U (en) * | 1974-06-13 | 1975-12-26 | ||
| JPS56111469U (en) * | 1980-01-24 | 1981-08-28 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0351788Y2 (en) | 1991-11-07 |
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