DE69112152T2 - Gerät mit drehbarem Magnetkopf. - Google Patents

Gerät mit drehbarem Magnetkopf.

Info

Publication number
DE69112152T2
DE69112152T2 DE69112152T DE69112152T DE69112152T2 DE 69112152 T2 DE69112152 T2 DE 69112152T2 DE 69112152 T DE69112152 T DE 69112152T DE 69112152 T DE69112152 T DE 69112152T DE 69112152 T2 DE69112152 T2 DE 69112152T2
Authority
DE
Germany
Prior art keywords
magnetic head
rotatable magnetic
rotatable
head
magnetic
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.)
Revoked
Application number
DE69112152T
Other languages
English (en)
Other versions
DE69112152D1 (de
Inventor
Kazuhiko Sato
Masami Kimura
Takayoshi Yoshida
Noriaki Kaneko
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=16379520&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69112152(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Application granted granted Critical
Publication of DE69112152D1 publication Critical patent/DE69112152D1/de
Publication of DE69112152T2 publication Critical patent/DE69112152T2/de
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

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
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/52—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with simultaneous movement of head and record carrier, e.g. rotation of head
    • G11B5/53—Disposition or mounting of heads on rotating support
    • 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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/09—Digital recording
DE69112152T 1990-07-27 1991-01-29 Gerät mit drehbarem Magnetkopf. Revoked DE69112152T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2197738A JP2795973B2 (ja) 1990-07-27 1990-07-27 回転磁気ヘッド装置

Publications (2)

Publication Number Publication Date
DE69112152D1 DE69112152D1 (de) 1995-09-21
DE69112152T2 true DE69112152T2 (de) 1996-04-18

Family

ID=16379520

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69112152T Revoked DE69112152T2 (de) 1990-07-27 1991-01-29 Gerät mit drehbarem Magnetkopf.

Country Status (4)

Country Link
US (1) US5202805A (de)
EP (1) EP0468129B1 (de)
JP (1) JP2795973B2 (de)
DE (1) DE69112152T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0757201A (ja) * 1993-08-19 1995-03-03 Toshiba Corp 回転ヘッド装置
JP2004234714A (ja) * 2003-01-28 2004-08-19 Sony Corp 磁気記録装置
US7548567B2 (en) * 2004-04-02 2009-06-16 Vladimir Kupershmidt Analog transmitter using an external cavity laser (ECL)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4497004A (en) * 1981-06-10 1985-01-29 Hitachi, Ltd. Picture reproducing apparatus in a helical scanning video tape recorder
JPS58159205A (ja) * 1982-03-17 1983-09-21 Hitachi Ltd 磁気記録再生装置
US4598325A (en) * 1985-05-29 1986-07-01 Rca Corporation Apparatus for transmitting digital signals across a rotary gap
NL8801595A (nl) * 1988-06-23 1990-01-16 Philips Nv Werkwijze voor het vervaardigen van een magneetkop alsmede een volgens de werkwijze vervaardigbare magneetkop.
DE3831721A1 (de) * 1988-09-17 1990-03-29 Thomson Brandt Gmbh Drehuebertrager fuer einen recorder
NL8802590A (nl) * 1988-10-21 1990-05-16 Philips Nv Magneetkop, systeem van ten minste twee dergelijke magneetkoppen alsmede aftasteenheid voorzien van het systeem.

Also Published As

Publication number Publication date
EP0468129A1 (de) 1992-01-29
JPH0485701A (ja) 1992-03-18
DE69112152D1 (de) 1995-09-21
EP0468129B1 (de) 1995-08-16
US5202805A (en) 1993-04-13
JP2795973B2 (ja) 1998-09-10

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8363 Opposition against the patent
8331 Complete revocation