ZA696792B - Magnetic recording and reproducing head - Google Patents

Magnetic recording and reproducing head

Info

Publication number: ZA696792B
Authority: ZA; South Africa
Prior art keywords: magnetic recording; reproducing head; reproducing; head; recording
Prior art date: 1968-10-16

Application number

ZA696792*A

Other languages

English (en)

Inventor

C Sprott

J Young

C Gingerich

E Heupel

Original Assignee

Ibm

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.)

1968-10-16

Filing date

1969-09-25

Publication date

1971-05-27

1969-09-25 Application filed by Ibm filed Critical Ibm

1971-05-27 Publication of ZA696792B publication Critical patent/ZA696792B/xx

Links

Classifications

- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/0007—Circuits or methods for reducing noise, for correction of distortion, or for changing density of recorded information
- 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
- 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
- G11B5/2651—Manufacture

Landscapes

Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Magnetic Heads (AREA)
Recording Or Reproducing By Magnetic Means (AREA)

ZA696792*A 1968-10-16 1969-09-25 Magnetic recording and reproducing head ZA696792B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US76808468A	1968-10-16	1968-10-16

Publications (1)

Publication Number	Publication Date
ZA696792B true ZA696792B (en)	1971-05-27

Family

ID=25081475

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA696792*A ZA696792B (en)	1968-10-16	1969-09-25	Magnetic recording and reproducing head

Country Status (9)

Country	Link
US (1)	US3582571A (de)
AT (1)	AT290875B (de)
BE (1)	BE738807A (de)
BR (1)	BR6913329D0 (de)
CH (1)	CH494445A (de)
DE (2)	DE6940188U (de)
ES (1)	ES372541A1 (de)
FR (1)	FR2020789A1 (de)
ZA (1)	ZA696792B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3882544A (en) *	1973-12-14	1975-05-06	Xerox Corp	Combined wide-erase and read-write magnetic head
JPS5577025A (en) *	1978-12-01	1980-06-10	Tdk Corp	Erasing head
KR920001156B1 (ko) *	1988-07-13	1992-02-06	삼성전자 주식회사	컴퓨터용 자기헤드
DE3842079A1 (de) *	1988-12-14	1990-06-21	Broadcast Television Syst	Verfahren zum aufzeichnen von signalen und magnetkopfanordnung hierfuer
JPH03222110A (ja) *	1990-01-26	1991-10-01	Nec Corp	磁気ヘッド
US7295694B2 (en)	2002-02-22	2007-11-13	International Business Machines Corporation	MICR-based optical character recognition system and method
DE102005014101A1 (de)	2004-06-08	2005-12-29	Continental Teves Ag & Co. Ohg	Elektrisch ansteuerbares Ventil
US7532437B2 (en) *	2006-01-19	2009-05-12	Seagate Technology Llc	Slider having transducers orientated in different directions

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2633504A (en) *	1948-01-08	1953-03-31	Gasaccumulator Svenska Ab	Combined record-erase head for magnetic recorders
US2653189A (en) *	1948-02-12	1953-09-22	Armour Res Found	Electromagnetic transducer head
US2736776A (en) *	1951-06-02	1956-02-28	Armour Res Found	Magnetic recorder head assembly
US2803708A (en) *	1951-09-26	1957-08-20	Armour Res Found	Electromagnetic transducer head

1968
- 1968-10-16 US US768084A patent/US3582571A/en not_active Expired - Lifetime
1969
- 1969-09-02 FR FR6930692A patent/FR2020789A1/fr not_active Withdrawn
- 1969-09-12 BE BE738807D patent/BE738807A/xx unknown
- 1969-09-25 ZA ZA696792*A patent/ZA696792B/xx unknown
- 1969-10-15 BR BR213329/69A patent/BR6913329D0/pt unknown
- 1969-10-15 ES ES372541A patent/ES372541A1/es not_active Expired
- 1969-10-16 DE DE6940188U patent/DE6940188U/de not_active Expired
- 1969-10-16 AT AT979069A patent/AT290875B/de active
- 1969-10-16 DE DE19691952070 patent/DE1952070A1/de active Pending
- 1969-10-16 CH CH1549469A patent/CH494445A/de not_active IP Right Cessation

Also Published As

Publication number	Publication date
DE6940188U (de)	1973-08-23
CH494445A (de)	1970-07-31
AT290875B (de)	1971-06-25
US3582571A (en)	1971-06-01
DE1952070A1 (de)	1970-04-23
BE738807A (de)	1970-02-16
BR6913329D0 (pt)	1973-01-25
ES372541A1 (es)	1971-10-16
FR2020789A1 (de)	1970-07-17

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