JPS5989415U - magnetic playback device - Google Patents

magnetic playback device

Info

Publication number
JPS5989415U
JPS5989415U JP18356882U JP18356882U JPS5989415U JP S5989415 U JPS5989415 U JP S5989415U JP 18356882 U JP18356882 U JP 18356882U JP 18356882 U JP18356882 U JP 18356882U JP S5989415 U JPS5989415 U JP S5989415U
Authority
JP
Japan
Prior art keywords
head
thin film
playback device
core
magnetic playback
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
Application number
JP18356882U
Other languages
Japanese (ja)
Other versions
JPH039121Y2 (en
Inventor
杉田 順吉
裕 早田
裕之 内田
今越 茂美
康博 飯田
哲夫 関谷
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 JP18356882U priority Critical patent/JPS5989415U/en
Publication of JPS5989415U publication Critical patent/JPS5989415U/en
Application granted granted Critical
Publication of JPH039121Y2 publication Critical patent/JPH039121Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Magnetic Heads (AREA)
  • Digital Magnetic Recording (AREA)
  • Recording Or Reproducing By Magnetic Means (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

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

第1図は再生用薄膜ヘッドの断面図、第2図は上記薄膜
ヘッドの使用状態を示す概略的な側面図、第3図は再生
出力波形図、第4〜6図は本考案の第1〜3の実施例を
示す回路図、第7図C゛よ波形補正の原理を説明するた
めの波形図、第8図は第4〜6図の回路の伝達特性図、
第9図は実験により得られた補正された出力波形図であ
る。 なお図面に用いられている符号において、1・・・  
  ・・・・コア、2,3・・・・・・薄膜コア、4・
・・・・・ヘッドギャップ、10・・・・・・磁気テー
プ、11・・・・・・再生用薄膜ヘッド、12・・・・
・・リニアアンプ、14・・・・・・オペアンプ、C・
・・・・・コンデンサ、R4−R4−・・・・・・抵抗
である。
Fig. 1 is a cross-sectional view of the thin film head for reproduction, Fig. 2 is a schematic side view showing the use state of the thin film head, Fig. 3 is a reproduction output waveform diagram, and Figs. Figure 7C is a waveform diagram for explaining the principle of waveform correction; Figure 8 is a transfer characteristic diagram of the circuits shown in Figures 4 to 6;
FIG. 9 is a corrected output waveform diagram obtained through experiment. In addition, in the symbols used in the drawings, 1...
... Core, 2, 3 ... Thin film core, 4.
...Head gap, 10...Magnetic tape, 11... Thin film head for reproduction, 12...
... Linear amplifier, 14 ... Operational amplifier, C.
... Capacitor, R4-R4-... Resistor.

Claims (1)

【実用新案登録請求の範囲】 ヘッドギャップを形成する一対のコアのうち一方のコア
が薄膜コアに構成されている再生ヘッドb+” と、−−:竺(但しa〉b、A:定数)又はy巳↓五a
+Jω              a+3ωの伝達関
数を有し且つ上記再生ヘッドの出力が加えられるプリア
ンプとを具備し1、上記再生ヘットの上記薄膜コアを、
走行する磁気記録媒体の上流側又は下流側に配するよう
にした磁気再生装置。
[Claims for Utility Model Registration] A reproducing head b+'' in which one core of a pair of cores forming a head gap is a thin film core, and --: square (where a>b, A: constant) or yumi↓goa
a preamplifier having a transfer function of +Jω a+3ω and to which the output of the playback head is applied; 1, the thin film core of the playback head;
A magnetic reproducing device arranged upstream or downstream of a traveling magnetic recording medium.
JP18356882U 1982-12-03 1982-12-03 magnetic playback device Granted JPS5989415U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18356882U JPS5989415U (en) 1982-12-03 1982-12-03 magnetic playback device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18356882U JPS5989415U (en) 1982-12-03 1982-12-03 magnetic playback device

Publications (2)

Publication Number Publication Date
JPS5989415U true JPS5989415U (en) 1984-06-16
JPH039121Y2 JPH039121Y2 (en) 1991-03-07

Family

ID=30397250

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18356882U Granted JPS5989415U (en) 1982-12-03 1982-12-03 magnetic playback device

Country Status (1)

Country Link
JP (1) JPS5989415U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55155119U (en) * 1979-04-23 1980-11-08

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55155119U (en) * 1979-04-23 1980-11-08

Also Published As

Publication number Publication date
JPH039121Y2 (en) 1991-03-07

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