JPS5880555U - Magnetic head dirt detection device - Google Patents

Magnetic head dirt detection device

Info

Publication number
JPS5880555U
JPS5880555U JP17577381U JP17577381U JPS5880555U JP S5880555 U JPS5880555 U JP S5880555U JP 17577381 U JP17577381 U JP 17577381U JP 17577381 U JP17577381 U JP 17577381U JP S5880555 U JPS5880555 U JP S5880555U
Authority
JP
Japan
Prior art keywords
magnetic head
detection device
light
dirt detection
groove
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
JP17577381U
Other languages
Japanese (ja)
Inventor
文治 高橋
Original Assignee
三菱重工業株式会社
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 三菱重工業株式会社 filed Critical 三菱重工業株式会社
Priority to JP17577381U priority Critical patent/JPS5880555U/en
Publication of JPS5880555U publication Critical patent/JPS5880555U/en
Pending legal-status Critical Current

Links

Landscapes

  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (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) [Abstract] 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図は従来の磁気ヘッドを示す平面図、第2図は同断
面図、第3図ないし第5図は本考案の一実施例を示し第
3図は磁気ヘッドの汚れ検出装置の平面図、第4図は第
3図のIV−IV線に沿う断面図、第5図は第3図の■
−■線に沿う断面図である。 1・・・・・・磁気ヘッド、2・・・・・・コア、3・
・・・・・磁性粉、4・・・・・・磁気テープ、11・
・・・・・溝、12・・・・・・発光器、13・・・・
・・受光器、14・・・・・・スリット、15・・・・
・・ランプ。
Fig. 1 is a plan view showing a conventional magnetic head, Fig. 2 is a sectional view thereof, and Figs. 3 to 5 show an embodiment of the present invention, and Fig. 3 is a plan view of a contamination detection device for a magnetic head. , Fig. 4 is a cross-sectional view taken along line IV-IV in Fig. 3, and Fig. 5 is a cross-sectional view taken along line IV-IV in Fig. 3.
It is a cross-sectional view along the -■ line. 1...Magnetic head, 2...Core, 3.
...Magnetic powder, 4...Magnetic tape, 11.
...Groove, 12...Light emitter, 13...
...Receiver, 14...Slit, 15...
··lamp.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 磁気テープに電気信号を記録、再生する磁気ヘッドの汚
れ検出装置において、磁気ヘッドの表面に磁気テープの
走行方向と直交するように設けた溝と、間溝に光を投射
する発光器と、上記溝からの透過光又は反射光を受光す
る受光器と、同受光器から検出信号にもとづいて磁気ヘ
ッドの汚れを表示する表示器とを具備してなる磁気ヘッ
ドの汚れ検出装置。
A contamination detection device for a magnetic head that records and reproduces electrical signals on a magnetic tape includes a groove provided on the surface of the magnetic head perpendicular to the running direction of the magnetic tape, a light emitter that projects light into the groove, and the above-mentioned A magnetic head dirt detection device comprising: a light receiver that receives transmitted light or reflected light from a groove; and a display that displays dirt on the magnetic head based on a detection signal from the light receiver.
JP17577381U 1981-11-26 1981-11-26 Magnetic head dirt detection device Pending JPS5880555U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17577381U JPS5880555U (en) 1981-11-26 1981-11-26 Magnetic head dirt detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17577381U JPS5880555U (en) 1981-11-26 1981-11-26 Magnetic head dirt detection device

Publications (1)

Publication Number Publication Date
JPS5880555U true JPS5880555U (en) 1983-05-31

Family

ID=29968300

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17577381U Pending JPS5880555U (en) 1981-11-26 1981-11-26 Magnetic head dirt detection device

Country Status (1)

Country Link
JP (1) JPS5880555U (en)

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