JPS5974588U - magnetic recording medium - Google Patents

magnetic recording medium

Info

Publication number
JPS5974588U
JPS5974588U JP16903682U JP16903682U JPS5974588U JP S5974588 U JPS5974588 U JP S5974588U JP 16903682 U JP16903682 U JP 16903682U JP 16903682 U JP16903682 U JP 16903682U JP S5974588 U JPS5974588 U JP S5974588U
Authority
JP
Japan
Prior art keywords
recording medium
magnetic recording
peeled portion
transparent window
recorded
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
JP16903682U
Other languages
Japanese (ja)
Inventor
轟 茂夫
新井 滋
Original Assignee
日本コロムビア株式会社
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 日本コロムビア株式会社 filed Critical 日本コロムビア株式会社
Priority to JP16903682U priority Critical patent/JPS5974588U/en
Publication of JPS5974588U publication Critical patent/JPS5974588U/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図は従来の透明窓を有する磁気記録媒体の一部を断
面とする平面図、第2図は本考案の絶対番地コードを透
明窓部に有する磁気記録媒体の一部を断面とする平面図
、第3図は本考案の磁気記録媒体の絶対番地コードを透
明窓部に設けた検出方法を示す回路図である。 図中、1・・・・・・磁気記録媒体、2・・・磁性面、
3・・・透明窓、4a・・・クロック信号、4b・・・
バイナリデータ、5a、  5b・・・発光素子、6a
、  6b・・・受光素子、7a、  7b・・・増巾
回路、8・・・ゲート回路。
FIG. 1 is a plan view showing a partial cross section of a conventional magnetic recording medium having a transparent window, and FIG. 2 is a plan view showing a partial cross section of a magnetic recording medium having the absolute address code of the present invention in the transparent window. 3 are circuit diagrams showing a detection method in which an absolute address code of a magnetic recording medium of the present invention is provided in a transparent window. In the figure, 1...magnetic recording medium, 2... magnetic surface,
3...Transparent window, 4a...Clock signal, 4b...
Binary data, 5a, 5b... Light emitting element, 6a
, 6b... Light receiving element, 7a, 7b... Amplifying circuit, 8... Gate circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 磁気記録媒体に剥離部を形成し、該剥離部にスリット状
に番地をコード化してなることを特徴とする磁気記録媒
体。
A magnetic recording medium characterized in that a peeled portion is formed on the magnetic recording medium, and an address is coded in the form of a slit on the peeled portion.
JP16903682U 1982-11-08 1982-11-08 magnetic recording medium Pending JPS5974588U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16903682U JPS5974588U (en) 1982-11-08 1982-11-08 magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16903682U JPS5974588U (en) 1982-11-08 1982-11-08 magnetic recording medium

Publications (1)

Publication Number Publication Date
JPS5974588U true JPS5974588U (en) 1984-05-21

Family

ID=30369384

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16903682U Pending JPS5974588U (en) 1982-11-08 1982-11-08 magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS5974588U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5036200A (en) * 1973-07-30 1975-04-05

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5036200A (en) * 1973-07-30 1975-04-05

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