FR2091081A5 - - Google Patents

Info

Publication number: FR2091081A5
Authority: FR; France
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.): Expired

Application number

FR7115791A

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.)

HAMILTON DIGITAL CONTROL

Original Assignee

HAMILTON DIGITAL CONTROL

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.)

1970-05-04

Filing date

1971-05-03

Publication date

1972-01-14

1971-05-03 Application filed by HAMILTON DIGITAL CONTROL filed Critical HAMILTON DIGITAL CONTROL

1972-01-14 Application granted granted Critical

1972-01-14 Publication of FR2091081A5 publication Critical patent/FR2091081A5/fr

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/265—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track

Landscapes

Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Magnetic Heads (AREA)

FR7115791A 1970-05-04 1971-05-03 Expired FR2091081A5 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US3413870A	1970-05-04	1970-05-04

Publications (1)

Publication Number	Publication Date
FR2091081A5 true FR2091081A5 (fr)	1972-01-14

Family

ID=21874551

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7115791A Expired FR2091081A5 (fr)	1970-05-04	1971-05-03

Country Status (5)

Country	Link
JP (1)	JPS546885B1 (fr)
CA (1)	CA930856A (fr)
DE (1)	DE2122011A1 (fr)
FR (1)	FR2091081A5 (fr)
GB (1)	GB1321382A (fr)

1971
- 1971-04-22 CA CA111113A patent/CA930856A/en not_active Expired
- 1971-05-01 JP JP2860471A patent/JPS546885B1/ja active Pending
- 1971-05-03 GB GB1272471A patent/GB1321382A/en not_active Expired
- 1971-05-03 FR FR7115791A patent/FR2091081A5/fr not_active Expired
- 1971-05-04 DE DE19712122011 patent/DE2122011A1/de not_active Withdrawn

Also Published As

Publication number	Publication date
DE2122011A1 (de)	1971-12-02
CA930856A (en)	1973-07-24
JPS546885B1 (fr)	1979-04-02
GB1321382A (en)	1973-06-27

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Legal Events

Date	Code	Title	Description
1982-04-02	ST	Notification of lapse