FR2519175B1 - Unite de tete rotative - Google Patents
Unite de tete rotativeInfo
- Publication number
- FR2519175B1 FR2519175B1 FR828221190A FR8221190A FR2519175B1 FR 2519175 B1 FR2519175 B1 FR 2519175B1 FR 828221190 A FR828221190 A FR 828221190A FR 8221190 A FR8221190 A FR 8221190A FR 2519175 B1 FR2519175 B1 FR 2519175B1
- Authority
- FR
- France
- Prior art keywords
- head unit
- rotating head
- rotating
- unit
- head
- 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.)
- Expired
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
-
- 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
- G11B5/531—Disposition of more than one recording or reproducing head on support rotating cyclically around an axis
- G11B5/534—Disposition of more than one recording or reproducing head on support rotating cyclically around an axis inclined relative to the direction of movement of the tape, e.g. for helicoidal scanning
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8105831A NL8105831A (nl) | 1981-12-24 | 1981-12-24 | Roteerbare kopeenheid. |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2519175A1 FR2519175A1 (fr) | 1983-07-01 |
FR2519175B1 true FR2519175B1 (fr) | 1989-02-03 |
Family
ID=19838609
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR828221190A Expired FR2519175B1 (fr) | 1981-12-24 | 1982-12-17 | Unite de tete rotative |
Country Status (10)
Country | Link |
---|---|
US (1) | US4860132A (fr) |
JP (1) | JPS58114327A (fr) |
KR (1) | KR880001697B1 (fr) |
DE (1) | DE3245509A1 (fr) |
FR (1) | FR2519175B1 (fr) |
GB (1) | GB2113896B (fr) |
HK (1) | HK60988A (fr) |
IT (1) | IT1155041B (fr) |
NL (1) | NL8105831A (fr) |
SG (1) | SG110387G (fr) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3574641D1 (de) * | 1984-02-03 | 1990-01-11 | Matsushita Electric Ind Co Ltd | Videobandgeraet. |
JPS60182006A (ja) * | 1984-02-29 | 1985-09-17 | Victor Co Of Japan Ltd | 磁気ヘツド |
JPS61122960A (ja) * | 1984-11-20 | 1986-06-10 | Hitachi Ltd | 回転シリンダ装置 |
KR900007488B1 (ko) * | 1985-09-10 | 1990-10-10 | 니뽕 빅터 가부시끼가이샤 | 자기 헤드 |
JP2612847B2 (ja) * | 1985-12-06 | 1997-05-21 | 松下電器産業株式会社 | 磁気記録再生装置の回転ヘツドドラム |
JPH0817471B2 (ja) * | 1988-05-31 | 1996-02-21 | シャープ株式会社 | ビデオ信号記録再生装置のためのヘッド装置 |
JPH02149908A (ja) * | 1988-11-30 | 1990-06-08 | Victor Co Of Japan Ltd | ダブルアジマス磁気ヘッド |
JPH0344808A (ja) * | 1989-07-12 | 1991-02-26 | Hitachi Ltd | 多チャンネル磁気ヘッド |
JP3158285B2 (ja) * | 1991-03-20 | 2001-04-23 | ソニー株式会社 | 回転磁気ヘッド装置 |
EP0725387B1 (fr) * | 1991-04-19 | 1998-09-02 | Sony Corporation | Procédé de fabrication d'une tête magnétique |
JP2776289B2 (ja) * | 1995-03-14 | 1998-07-16 | 松下電器産業株式会社 | 回転ヘッド高さ測定装置及び方法 |
JPH11161925A (ja) * | 1997-11-28 | 1999-06-18 | Hitachi Ltd | 回転ドラム装置およびこれを用いた記録再生装置 |
JP2003123214A (ja) * | 2001-10-16 | 2003-04-25 | Sony Corp | 回転ドラムおよびこれを備えた磁気再生装置 |
US7133261B2 (en) * | 2003-12-17 | 2006-11-07 | International Business Machines Corporation | Tape head having a support plate with contoured surface |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2969529A (en) * | 1957-05-17 | 1961-01-24 | Burroughs Corp | Magnetic read-write head having two gaps |
US3213204A (en) * | 1961-03-21 | 1965-10-19 | Nippon Electric Co | Magnetic tape recorder |
FR1493611A (fr) * | 1966-06-28 | 1967-09-01 | Bull General Electric | élément d'entrée-sortie à ruban magnétique connectable à un ordinateur |
US3846819A (en) * | 1967-03-31 | 1974-11-05 | Rca Corp | Method for recording two separate signals |
US3549822A (en) * | 1967-12-07 | 1970-12-22 | Ampex | Magnetic head transducer having a pair of separate spaced nonmagnetic gaps |
US3604847A (en) * | 1968-02-14 | 1971-09-14 | Arvin Ind Inc | Multitrack magnetic recording system |
JPS54153613A (en) * | 1978-05-24 | 1979-12-04 | Matsushita Electric Ind Co Ltd | Rotary head type magnetic recorder-reproducer |
JPS5593530A (en) * | 1978-12-29 | 1980-07-16 | Sony Corp | Magnetic head unit |
US4296430A (en) * | 1979-10-12 | 1981-10-20 | Rca Corporation | Magnetic recording with reduced cross-talk and interchannel time displacement |
JPS5683808A (en) * | 1979-12-11 | 1981-07-08 | Sony Corp | Magnetic recording and reproducing device |
JPS56124103A (en) * | 1980-02-29 | 1981-09-29 | Victor Co Of Japan Ltd | Digital magnetic recording and/or reproducing method |
JPS56159858A (en) * | 1980-05-10 | 1981-12-09 | Sony Corp | Tracking control unit in magnetic recording and reproducing device |
JPS57135421A (en) * | 1981-02-16 | 1982-08-21 | Hitachi Ltd | Dual gap magnetic head |
DE3121792A1 (de) * | 1981-06-02 | 1982-12-16 | Robert Bosch Gmbh, 7000 Stuttgart | Magnetkopfanordnung und verfahren zu ihrer herstellung |
-
1981
- 1981-12-24 NL NL8105831A patent/NL8105831A/nl not_active Application Discontinuation
-
1982
- 1982-12-09 DE DE19823245509 patent/DE3245509A1/de not_active Ceased
- 1982-12-16 US US06/450,315 patent/US4860132A/en not_active Expired - Fee Related
- 1982-12-17 FR FR828221190A patent/FR2519175B1/fr not_active Expired
- 1982-12-20 GB GB08236183A patent/GB2113896B/en not_active Expired
- 1982-12-21 JP JP57224833A patent/JPS58114327A/ja active Granted
- 1982-12-21 IT IT24887/82A patent/IT1155041B/it active
- 1982-12-21 KR KR8205726A patent/KR880001697B1/ko active
-
1987
- 1987-12-26 SG SG1103/87A patent/SG110387G/en unknown
-
1988
- 1988-08-11 HK HK609/88A patent/HK60988A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
SG110387G (en) | 1988-09-23 |
KR880001697B1 (ko) | 1988-09-06 |
JPH0339325B2 (fr) | 1991-06-13 |
US4860132A (en) | 1989-08-22 |
HK60988A (en) | 1988-08-19 |
JPS58114327A (ja) | 1983-07-07 |
KR840003104A (ko) | 1984-08-13 |
GB2113896B (en) | 1986-12-03 |
DE3245509A1 (de) | 1983-07-07 |
FR2519175A1 (fr) | 1983-07-01 |
IT1155041B (it) | 1987-01-21 |
NL8105831A (nl) | 1983-07-18 |
IT8224887A0 (it) | 1982-12-21 |
GB2113896A (en) | 1983-08-10 |
IT8224887A1 (it) | 1984-06-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |