JPS5936023U - VTR - Google Patents

VTR

Info

Publication number
JPS5936023U
JPS5936023U JP13168282U JP13168282U JPS5936023U JP S5936023 U JPS5936023 U JP S5936023U JP 13168282 U JP13168282 U JP 13168282U JP 13168282 U JP13168282 U JP 13168282U JP S5936023 U JPS5936023 U JP S5936023U
Authority
JP
Japan
Prior art keywords
pair
heads
track width
video
erasing
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
Application number
JP13168282U
Other languages
Japanese (ja)
Inventor
西部　篤
Original Assignee
ソニー株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ソニー株式会社 filed Critical ソニー株式会社
Priority to JP13168282U priority Critical patent/JPS5936023U/en
Publication of JPS5936023U publication Critical patent/JPS5936023U/en
Pending legal-status Critical Current

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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図はこの考案を説明するための図、第２図はこの考
案の一例の拡大正面図である。 １は映像トラック、２Ａ、２Ｂは回転消去ヘッドである
。FIG. 1 is a diagram for explaining this invention, and FIG. 2 is an enlarged front view of an example of this invention. 1 is a video track, and 2A and 2B are rotating erasing heads.

Claims (1)

【実用新案登録請求の範囲】 回転ドラムに設けられた記録ヘッドの回転周面に対して
磁気テープが所定の角範囲にわたって斜めに走行して映
像信号の記録を行うヘリカルスキャン型のＶＴＲにおい
て、上記回転ドラムに、上記記録ヘッドに先行して映像
トラックの消去を行う２個１対の消去ヘッドを設け、こ
の２個１対の消去ヘッドのトラック幅をそれぞれＴＡ、
ＴＢとし、上記映像トランクのトラック幅をＴｗとする
とき０　＜ＴＡ＜ＴＷ Ｏ＜ＴＢ＜ＴＷ ＴＡ＋ＴＢ≧Ｔｗ に選定すると共に、上記２個１対の消去ヘッドによる消
去トラック幅ＴＢが上記映像トラックのドラック幅Ｔｗ
に等しくなるように上記２個１組の消去ヘッドのトラッ
ク幅方向における高さを選定したＶＴＲ０[Claims for Utility Model Registration] In a helical scan type VTR in which video signals are recorded by running a magnetic tape obliquely over a predetermined angular range with respect to the rotating peripheral surface of a recording head provided on a rotating drum, A pair of erasing heads for erasing video tracks prior to the recording head are provided on the rotating drum, and the track width of each pair of erasing heads is TA, respectively.
TB, and the track width of the video trunk is Tw, select 0 < TA < TW O < TB < TW TA + TB ≥ Tw, and the erase track width TB by the pair of erase heads is the same as that of the video track. Drag width Tw
VTR0 in which the height of the pair of erase heads in the track width direction is selected to be equal to
JP13168282U 1982-08-31 1982-08-31 VTR Pending JPS5936023U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13168282U JPS5936023U (en) 1982-08-31 1982-08-31 VTR

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13168282U JPS5936023U (en) 1982-08-31 1982-08-31 VTR

Publications (1)

Publication Number Publication Date
JPS5936023U true JPS5936023U (en) 1984-03-06

Family

ID=30297624

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13168282U Pending JPS5936023U (en) 1982-08-31 1982-08-31 VTR

Country Status (1)

Country Link
JP (1) JPS5936023U (en)

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