JPS58122233U - Rotating head drum device for video tape recorder - Google Patents
Rotating head drum device for video tape recorderInfo
- Publication number
- JPS58122233U JPS58122233U JP1641082U JP1641082U JPS58122233U JP S58122233 U JPS58122233 U JP S58122233U JP 1641082 U JP1641082 U JP 1641082U JP 1641082 U JP1641082 U JP 1641082U JP S58122233 U JPS58122233 U JP S58122233U
- Authority
- JP
- Japan
- Prior art keywords
- head drum
- video head
- video
- drum
- small hole
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は、本考案による回転ヘッドドラムの断面図、第
２図は、第１図におけるＡ−Ａ’拡大断面図である。
１：回転ヘッドディスク、４：ビデオヘッド、５：磁気
テープ、６：小穴、７：下部ビデオへラドドラム、８．
、二発光素子１．９：上部ビデオヘッドドラム、１０：
受光素子、１１：固定側スリット、１２：固定スリット
円板、１３：回転側スリット、１′４：回転スリット円
板。FIG. 1 is a sectional view of a rotary head drum according to the present invention, and FIG. 2 is an enlarged sectional view taken along line AA' in FIG. 1: Rotating head disk, 4: Video head, 5: Magnetic tape, 6: Small hole, 7: Rad drum to lower video, 8.
, two light emitting elements 1.9: upper video head drum, 10:
Light receiving element, 11: Fixed side slit, 12: Fixed slit disk, 13: Rotating side slit, 1'4: Rotating slit disk.
Claims (1)
プをテープ幅方向とビデオヘッドの走査半径方向に位置
規制して案内する下部ビデオヘッドドラムと、前記下部
ビデオヘッドドラムまたは、前記シャーシに固定され、
前記下部ビデオヘッドドラムと協働して磁気テープをビ
デオヘッドの走−査半径方向位置規制して案内する上部
ビデオヘッドドラムと、前記上記ビデオヘッドドラムと
前記下部ビデオヘッドドラムの中間に配置され、ビデオ
ヘッドを取付けてζビデオヘッドがテープ上を、
走査するように回転する回転ヘッドディスクとを有する
回転ヘッドドラムにおいて、前記回転ヘッドディスクの
前記下部ビデオヘッドドラムに面するスラスト面または
、前記上部ビデオへラドドラ７ ムに面するスラスト
面に薄板を固定し、前記回転ヘッドディスクにスラスト
方向に小穴を設け、かつ前記薄板の小穴上の位置に、前
記小穴より小さいスリットを設け、前記下部ビデオヘッ
ドドラムまたは前記上部ビデオヘッドドラムの前記小穴
の回転半径上の位置に、発光素子と受光素子のペアを組
込んで、ビデオヘッドの回転状態を検出するようにした
ことを特徴とするビデオテープレコーダの回転ヘッドド
ラム装置。 −a lower video head drum fixed to the chassis of the video tape recorder for positionally regulating and guiding the magnetic tape in the tape width direction and the scanning radial direction of the video head; fixed to the lower video head drum or the chassis;
an upper video head drum that cooperates with the lower video head drum to guide the magnetic tape by regulating the position in the scanning radial direction of the video head, and an upper video head drum disposed between the video head drum and the lower video head drum, Attach the video head and let the ζ video head move on the tape.
In a rotary head drum having a rotary head disk that rotates in a scanning manner, a thin plate is fixed to a thrust surface of the rotary head disk facing the lower video head drum or a thrust surface facing the upper video head drum. A small hole is provided in the rotating head disk in the thrust direction, and a slit smaller than the small hole is provided at a position above the small hole in the thin plate, and a slit is provided on the rotational radius of the small hole in the lower video head drum or the upper video head drum. 1. A rotary head drum device for a video tape recorder, characterized in that a pair of a light emitting element and a light receiving element is incorporated in the position of , to detect the rotating state of the video head. −
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1641082U JPS58122233U (en) | 1982-02-10 | 1982-02-10 | Rotating head drum device for video tape recorder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1641082U JPS58122233U (en) | 1982-02-10 | 1982-02-10 | Rotating head drum device for video tape recorder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58122233U true JPS58122233U (en) | 1983-08-19 |
Family
ID=30028775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1641082U Pending JPS58122233U (en) | 1982-02-10 | 1982-02-10 | Rotating head drum device for video tape recorder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58122233U (en) |
-
1982
- 1982-02-10 JP JP1641082U patent/JPS58122233U/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS58122233U (en) | Rotating head drum device for video tape recorder | |
| JPS5942551U (en) | tape guide | |
| JPS6085754U (en) | Tape guide device | |
| JPS59130251U (en) | tape guide device | |
| JPS59112344U (en) | Tape loading equipment | |
| JPS5933150U (en) | magnetic recording and reproducing device | |
| JPS5887169U (en) | video tape recorder | |
| JPS60155034U (en) | Back tension imparting mechanism | |
| JPS591127U (en) | Rotating head support device | |
| JPS6070972U (en) | Optical recording and reproducing device for optical disc player | |
| JPS59157257U (en) | Cassette tape guide device | |
| JPS6140703U (en) | magnetic disk device | |
| JPS59104328U (en) | Rotating head type magnetic recording and reproducing device | |
| JPS59104327U (en) | Centrifugal magnetic head in rotating head type magnetic recording/reproducing device | |
| JPS6089646U (en) | Tape guide device in cassette type magnetic recording/reproducing device | |
| JPS5963854U (en) | cassette tape recorder | |
| JPS5989442U (en) | head device | |
| JPS5963855U (en) | cassette tape recorder | |
| JPS60155078U (en) | cassette half | |
| JPS60194709U (en) | magnetic recording and reproducing device | |
| JPS59168854U (en) | Cassette tape drive mechanism | |
| JPS59112342U (en) | Tape loading device | |
| JPS60186514U (en) | rotating head device | |
| JPS62113444U (en) | ||
| JPS5865638U (en) | Rotating magnetic head device |