JPS59194111U - Video erasing circuit of video tape recorder - Google Patents
Video erasing circuit of video tape recorderInfo
- Publication number
- JPS59194111U JPS59194111U JP8790983U JP8790983U JPS59194111U JP S59194111 U JPS59194111 U JP S59194111U JP 8790983 U JP8790983 U JP 8790983U JP 8790983 U JP8790983 U JP 8790983U JP S59194111 U JPS59194111 U JP S59194111U
- Authority
- JP
- Japan
- Prior art keywords
- video
- tape recorder
- erasing circuit
- erasing
- circuit
- 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
Landscapes
- Management Or Editing Of Information On Record Carriers (AREA)
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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はこの考案が応用されるビデオテープレコーダの
ヘッドドラムおよびその周辺の一例を示す略図ならびに
第２図はこの考案のビデオ消去回路の一例を示す回路図
である。
１・・ゼデオテープ、１１・・・ヘッドドラム、１２・
・・記録・再生ヘッド、１３・・・消去ヘッド、３１・
・・直流電源、３２・・・発振回路、３３・・・可変抵
抗器、３４・・・スイッチ、３５・・・ロータリトラン
ス、３８・・・ビデオ消去ヘッドの励磁コイル。FIG. 1 is a schematic diagram showing an example of a head drum and its surroundings of a video tape recorder to which this invention is applied, and FIG. 2 is a circuit diagram showing an example of a video erasing circuit of this invention. 1.Zedeo tape, 11.Head drum, 12.
... Recording/playback head, 13... Erasing head, 31.
...DC power supply, 32...Oscillation circuit, 33...Variable resistor, 34...Switch, 35...Rotary transformer, 38...Video erasing head excitation coil.
Claims (1)
コイルにビデ１消去電流を供給する発振回路の入力また
は出力側にビデオ消去電流入切スイッチおよび可変抵抗
器の少くとも一つを挿入したことを特徴とするビデオテ
ープレコーダのビデオ消去回路。At least one of a video erasing current on/off switch and a variable resistor is inserted on the input or output side of an oscillation circuit that supplies the video erasing current to the excitation coil of the video erasing head attached to the head drum. Video erasing circuit for video tape recorders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8790983U JPS59194111U (en) | 1983-06-10 | 1983-06-10 | Video erasing circuit of video tape recorder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8790983U JPS59194111U (en) | 1983-06-10 | 1983-06-10 | Video erasing circuit of video tape recorder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59194111U true JPS59194111U (en) | 1984-12-24 |
Family
ID=30217823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8790983U Pending JPS59194111U (en) | 1983-06-10 | 1983-06-10 | Video erasing circuit of video tape recorder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59194111U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5730159A (en) * | 1980-07-29 | 1982-02-18 | Sharp Corp | Magnetic recording system |
| JPS5733417B2 (en) * | 1977-10-31 | 1982-07-16 |
-
1983
- 1983-06-10 JP JP8790983U patent/JPS59194111U/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5733417B2 (en) * | 1977-10-31 | 1982-07-16 | ||
| JPS5730159A (en) * | 1980-07-29 | 1982-02-18 | Sharp Corp | Magnetic recording system |
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