JPS5212802A - Recording medium for electronics calculator - Google Patents

Recording medium for electronics calculator

Info

Publication number
JPS5212802A
JPS5212802A JP8834675A JP8834675A JPS5212802A JP S5212802 A JPS5212802 A JP S5212802A JP 8834675 A JP8834675 A JP 8834675A JP 8834675 A JP8834675 A JP 8834675A JP S5212802 A JPS5212802 A JP S5212802A
Authority
JP
Japan
Prior art keywords
recording medium
calculator
electronics
electronics calculator
prolonging
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
JP8834675A
Other languages
Japanese (ja)
Inventor
Yoshiro Nakamatsu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP8834675A priority Critical patent/JPS5212802A/en
Publication of JPS5212802A publication Critical patent/JPS5212802A/en
Pending legal-status Critical Current

Links

Landscapes

  • Magnetic Record Carriers (AREA)

Abstract

PURPOSE: To offer a magnetic disc capable of prolonging the life of the recording unit of the head.
COPYRIGHT: (C)1977,JPO&Japio
JP8834675A 1975-07-21 1975-07-21 Recording medium for electronics calculator Pending JPS5212802A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8834675A JPS5212802A (en) 1975-07-21 1975-07-21 Recording medium for electronics calculator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8834675A JPS5212802A (en) 1975-07-21 1975-07-21 Recording medium for electronics calculator

Publications (1)

Publication Number Publication Date
JPS5212802A true JPS5212802A (en) 1977-01-31

Family

ID=13940271

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8834675A Pending JPS5212802A (en) 1975-07-21 1975-07-21 Recording medium for electronics calculator

Country Status (1)

Country Link
JP (1) JPS5212802A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4588653A (en) * 1983-08-29 1986-05-13 Dynamic Disk, Inc. Magnetic memory disk

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4841709A (en) * 1971-09-27 1973-06-18
JPS4929445A (en) * 1972-07-20 1974-03-15
JPS5032904A (en) * 1973-07-21 1975-03-29

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4841709A (en) * 1971-09-27 1973-06-18
JPS4929445A (en) * 1972-07-20 1974-03-15
JPS5032904A (en) * 1973-07-21 1975-03-29

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4588653A (en) * 1983-08-29 1986-05-13 Dynamic Disk, Inc. Magnetic memory disk

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