IT1131284B - Complesso a testine rotanti per trasduttori - Google Patents
Complesso a testine rotanti per trasduttoriInfo
- Publication number
- IT1131284B IT1131284B IT22590/80A IT2259080A IT1131284B IT 1131284 B IT1131284 B IT 1131284B IT 22590/80 A IT22590/80 A IT 22590/80A IT 2259080 A IT2259080 A IT 2259080A IT 1131284 B IT1131284 B IT 1131284B
- Authority
- IT
- Italy
- Prior art keywords
- transducers
- complex
- rotating heads
- heads
- rotating
- Prior art date
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
- G11B5/58—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 provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B5/584—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 provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes
- G11B5/588—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 provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes by controlling the position of the rotating heads
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7254179A JPS5626A (en) | 1979-06-09 | 1979-06-09 | Magnetic head unit |
JP7254279A JPS5627A (en) | 1979-06-09 | 1979-06-09 | Magnetic head unit |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8022590A0 IT8022590A0 (it) | 1980-06-05 |
IT1131284B true IT1131284B (it) | 1986-06-18 |
Family
ID=26413676
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT22590/80A IT1131284B (it) | 1979-06-09 | 1980-06-05 | Complesso a testine rotanti per trasduttori |
Country Status (13)
Country | Link |
---|---|
US (1) | US4441128A (it) |
AT (1) | AT374942B (it) |
AU (1) | AU535786B2 (it) |
BR (1) | BR8003531A (it) |
CH (1) | CH650610A5 (it) |
DE (1) | DE3021430A1 (it) |
DK (1) | DK147956C (it) |
ES (1) | ES492211A0 (it) |
FR (1) | FR2458866B1 (it) |
GB (1) | GB2050671B (it) |
IT (1) | IT1131284B (it) |
NL (1) | NL193705C (it) |
SE (1) | SE451908B (it) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3010580A1 (de) * | 1980-03-19 | 1981-09-24 | Siemens AG, 1000 Berlin und 8000 München | Aktuator fuer video-bandgeraet |
JPS56165927A (en) * | 1980-05-24 | 1981-12-19 | Sony Corp | Vibration imparting device |
JPS5760528A (en) * | 1980-09-30 | 1982-04-12 | Sony Corp | Head supporting in recorder and reproducer |
US4623947A (en) * | 1983-03-17 | 1986-11-18 | Tokyo Shibaura Denki Kabushiki Kaisha | Magnetic head device |
US4647999A (en) * | 1984-12-03 | 1987-03-03 | Datatape Inc. | Frame for positioning transducing head |
US4709361A (en) * | 1986-10-30 | 1987-11-24 | Allied Corporation | Flexural disk transducer |
US4794581A (en) * | 1987-06-25 | 1988-12-27 | International Business Machines Corporation | Lens support system enabling focussing and tracking motions employing a unitary lens holder |
US4906840A (en) * | 1988-01-27 | 1990-03-06 | The Board Of Trustees Of Leland Stanford Jr., University | Integrated scanning tunneling microscope |
US4987507A (en) * | 1989-03-02 | 1991-01-22 | Digital Equipment Corporation | Flexure guide for straight-line motion |
US5047883A (en) * | 1990-02-07 | 1991-09-10 | Ampex Corporation | Pantograph head mount having double leaves integral with a rigid tip structure |
JPH04132008A (ja) * | 1990-09-21 | 1992-05-06 | Sharp Corp | 磁気記録再生装置 |
US5227937A (en) * | 1991-03-14 | 1993-07-13 | Ampex Corporation | Side-stiffened flexural pantographic mount for positioning a magnetic transducing head assembly |
US5500777A (en) * | 1993-05-19 | 1996-03-19 | Matsushita Electric Industrial Co., Ltd. | Magnetic head drive which uses independently controlled piezo-electric elements |
KR100212557B1 (ko) * | 1996-12-30 | 1999-08-02 | 전주범 | 헤드 드럼의 비디오 헤드 |
EP1089359B1 (en) * | 1999-10-01 | 2007-05-16 | Ngk Insulators, Ltd. | Piezoelectric/electrostrictive device and method for producing the same |
JP3845543B2 (ja) | 1999-10-01 | 2006-11-15 | 日本碍子株式会社 | 圧電/電歪デバイス及びその製造方法 |
EP1139450A4 (en) * | 1999-10-01 | 2007-04-04 | Ngk Insulators Ltd | PIEZOELECTRIC / ELECTROSTRICTIVE DEVICE |
JP3436735B2 (ja) | 1999-10-01 | 2003-08-18 | 日本碍子株式会社 | 圧電/電歪デバイス及びその製造方法 |
US6404109B1 (en) * | 1999-10-01 | 2002-06-11 | Ngk Insulators, Ltd. | Piezoelectric/electrostrictive device having increased strength |
JP3965515B2 (ja) | 1999-10-01 | 2007-08-29 | 日本碍子株式会社 | 圧電/電歪デバイス及びその製造方法 |
EP1089355B1 (en) * | 1999-10-01 | 2006-11-22 | Ngk Insulators, Ltd. | Piezoelectric/electrostrictive device |
JP3845544B2 (ja) * | 1999-10-01 | 2006-11-15 | 日本碍子株式会社 | 圧電/電歪デバイス及びその製造方法 |
JP4007767B2 (ja) * | 2001-01-18 | 2007-11-14 | 日本碍子株式会社 | 圧電/電歪デバイスおよびその製造方法 |
US7345406B2 (en) | 2001-01-18 | 2008-03-18 | Ngk Insulators, Ltd. | Piezoelectric/electrostrictive device |
JP4080432B2 (ja) * | 2004-01-29 | 2008-04-23 | ソニー株式会社 | 磁気ヘッド装置及びリニアテープドライブ装置 |
JP4152903B2 (ja) * | 2004-02-02 | 2008-09-17 | ソニー株式会社 | 磁気ヘッド装置及びリニアテープドライブ装置 |
KR100747459B1 (ko) * | 2005-10-21 | 2007-08-09 | 엘지전자 주식회사 | 모듈의 충돌 방지가 보장되는 멀티태스킹 방법 및 이동단말기 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3526726A (en) * | 1967-09-27 | 1970-09-01 | Ampex | Piezoelectric transducer assembly for positioning a magnetic record/reproduce head |
GB1328931A (en) * | 1972-03-23 | 1973-09-05 | Creed Co Ltd | Piezoelectric transducer motor arrangement |
US3890644A (en) * | 1973-10-29 | 1975-06-17 | Burroughs Corp | Head mounting assembly for reading and writing on bank passbooks and the like |
JPS5643529B2 (it) * | 1974-04-26 | 1981-10-13 | ||
JPS598891B2 (ja) * | 1974-11-26 | 1984-02-28 | ソニー株式会社 | 回転磁気ヘッド装置 |
JPS5246810A (en) * | 1975-10-13 | 1977-04-14 | Sony Corp | Centrifugal force type magnetic head device |
US4106065A (en) * | 1976-03-19 | 1978-08-08 | Ampex Corporation | Drive circuitry for controlling movable video head |
US4151570A (en) * | 1976-03-22 | 1979-04-24 | Ampex Corporation | Automatic scan tracking using a magnetic head supported by a piezoelectric bender element |
JPS5497007A (en) * | 1978-01-17 | 1979-07-31 | Sony Corp | Head supporting structure |
US4188645A (en) * | 1978-11-02 | 1980-02-12 | Burroughs Corporation | Piezoelectric servo for disk drive |
-
1980
- 1980-03-10 GB GB8008056A patent/GB2050671B/en not_active Expired
- 1980-05-28 AU AU58847/80A patent/AU535786B2/en not_active Ceased
- 1980-05-30 FR FR8012126A patent/FR2458866B1/fr not_active Expired
- 1980-06-05 CH CH4349/80A patent/CH650610A5/de not_active IP Right Cessation
- 1980-06-05 IT IT22590/80A patent/IT1131284B/it active
- 1980-06-06 SE SE8004231A patent/SE451908B/sv not_active IP Right Cessation
- 1980-06-06 ES ES492211A patent/ES492211A0/es active Granted
- 1980-06-06 DE DE19803021430 patent/DE3021430A1/de active Granted
- 1980-06-06 DK DK246480A patent/DK147956C/da not_active IP Right Cessation
- 1980-06-06 BR BR8003531A patent/BR8003531A/pt not_active IP Right Cessation
- 1980-06-09 NL NL8003359A patent/NL193705C/nl not_active IP Right Cessation
- 1980-06-09 AT AT0302880A patent/AT374942B/de not_active IP Right Cessation
-
1982
- 1982-03-29 US US06/363,086 patent/US4441128A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
BR8003531A (pt) | 1981-01-05 |
GB2050671A (en) | 1981-01-07 |
NL8003359A (nl) | 1980-12-11 |
NL193705B (nl) | 2000-03-01 |
IT8022590A0 (it) | 1980-06-05 |
DK246480A (da) | 1980-12-10 |
CH650610A5 (de) | 1985-07-31 |
DK147956C (da) | 1985-09-23 |
ES8102392A1 (es) | 1980-12-16 |
AT374942B (de) | 1984-06-12 |
NL193705C (nl) | 2000-07-04 |
ATA302880A (de) | 1983-10-15 |
FR2458866A1 (fr) | 1981-01-02 |
DE3021430C2 (it) | 1989-07-20 |
SE451908B (sv) | 1987-11-02 |
DE3021430A1 (de) | 1980-12-18 |
GB2050671B (en) | 1983-08-17 |
US4441128A (en) | 1984-04-03 |
AU535786B2 (en) | 1984-04-05 |
DK147956B (da) | 1985-01-14 |
ES492211A0 (es) | 1980-12-16 |
AU5884780A (en) | 1980-12-11 |
SE8004231L (sv) | 1980-12-10 |
FR2458866B1 (fr) | 1988-03-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970630 |