JPS5412809A - Rotary magnetic head device - Google Patents

Rotary magnetic head device

Info

Publication number
JPS5412809A
JPS5412809A JP7813877A JP7813877A JPS5412809A JP S5412809 A JPS5412809 A JP S5412809A JP 7813877 A JP7813877 A JP 7813877A JP 7813877 A JP7813877 A JP 7813877A JP S5412809 A JPS5412809 A JP S5412809A
Authority
JP
Japan
Prior art keywords
magnetic head
head device
rotary magnetic
reproduce
edges
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
JP7813877A
Other languages
Japanese (ja)
Inventor
Naoko Kawamura
Akio Miyazawa
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP7813877A priority Critical patent/JPS5412809A/en
Publication of JPS5412809A publication Critical patent/JPS5412809A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To reproduce the still picture image stable for a long time by so forming the edges of a rotary drum opposing to stationary drums that no polygonal lines are produced between the same and the outside circumferential face thereof and that the section becomes arc.
COPYRIGHT: (C)1979,JPO&Japio
JP7813877A 1977-06-30 1977-06-30 Rotary magnetic head device Pending JPS5412809A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7813877A JPS5412809A (en) 1977-06-30 1977-06-30 Rotary magnetic head device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7813877A JPS5412809A (en) 1977-06-30 1977-06-30 Rotary magnetic head device

Publications (1)

Publication Number Publication Date
JPS5412809A true JPS5412809A (en) 1979-01-30

Family

ID=13653508

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7813877A Pending JPS5412809A (en) 1977-06-30 1977-06-30 Rotary magnetic head device

Country Status (1)

Country Link
JP (1) JPS5412809A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5989447U (en) * 1982-12-08 1984-06-16 松下電器産業株式会社 Cylinder device for magnetic recording and reproducing equipment
JPS6430050A (en) * 1987-07-24 1989-01-31 Hitachi Ltd Rotary magnetic head device
JPH0398712U (en) * 1990-01-30 1991-10-15

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5989447U (en) * 1982-12-08 1984-06-16 松下電器産業株式会社 Cylinder device for magnetic recording and reproducing equipment
JPS6430050A (en) * 1987-07-24 1989-01-31 Hitachi Ltd Rotary magnetic head device
JPH0398712U (en) * 1990-01-30 1991-10-15

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