IT1122997B - Impianto di controllo di pedinamento di una testina magnetica - Google Patents
Impianto di controllo di pedinamento di una testina magneticaInfo
- Publication number
- IT1122997B IT1122997B IT25556/79A IT2555679A IT1122997B IT 1122997 B IT1122997 B IT 1122997B IT 25556/79 A IT25556/79 A IT 25556/79A IT 2555679 A IT2555679 A IT 2555679A IT 1122997 B IT1122997 B IT 1122997B
- Authority
- IT
- Italy
- Prior art keywords
- pedining
- control system
- magnetic head
- magnetic
- head
- 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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11017478A JPS5538649A (en) | 1978-09-07 | 1978-09-07 | Tracking unit of magnetic head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT7925556A0 IT7925556A0 (it) | 1979-09-07 |
| IT1122997B true IT1122997B (it) | 1986-04-30 |
Family
ID=14528917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT25556/79A IT1122997B (it) | 1978-09-07 | 1979-09-07 | Impianto di controllo di pedinamento di una testina magnetica |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US4287538A (it) |
| JP (1) | JPS5538649A (it) |
| AT (1) | AT382993B (it) |
| AU (1) | AU530888B2 (it) |
| BR (1) | BR7905744A (it) |
| CA (1) | CA1134506A (it) |
| CH (1) | CH637257A5 (it) |
| DE (1) | DE2936083A1 (it) |
| DK (1) | DK149673C (it) |
| ES (1) | ES483939A1 (it) |
| FR (1) | FR2435777B1 (it) |
| GB (1) | GB2030346B (it) |
| IT (1) | IT1122997B (it) |
| NL (1) | NL7906680A (it) |
| SE (1) | SE437092B (it) |
| SU (1) | SU1068052A3 (it) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55159681A (en) * | 1979-05-31 | 1980-12-11 | Sony Corp | Tracking unit for magnetic head |
| JPS56115084A (en) * | 1980-02-16 | 1981-09-10 | Sony Corp | Video signal reproducer |
| JPS56127925A (en) * | 1980-03-13 | 1981-10-07 | Sony Corp | Tracking device of magnetic head |
| US4485414A (en) * | 1980-07-07 | 1984-11-27 | Ampex Corporation | Servo system for positioning a movable transducing head assembly |
| JPS5727421A (en) * | 1980-07-23 | 1982-02-13 | Sony Corp | Track following device |
| JPS5733431A (en) | 1980-08-06 | 1982-02-23 | Sony Corp | Track following device |
| JPS5750189A (en) * | 1980-09-09 | 1982-03-24 | Sony Corp | Magnetic recording and playback device |
| JPS5780880A (en) * | 1980-11-07 | 1982-05-20 | Sony Corp | Video signal reproducing device |
| JPS57140083A (en) * | 1981-02-24 | 1982-08-30 | Sony Corp | Video signal reproducing device |
| JPS57135583A (en) * | 1981-02-14 | 1982-08-21 | Sony Corp | Video signal reproducing device |
| US4481544A (en) * | 1981-09-18 | 1984-11-06 | Ampex Corporation | Automatic tracking system with apparatus to prevent mistracking by a limited range transducer during stop motion |
| JPS5897984A (ja) * | 1981-12-04 | 1983-06-10 | Sony Corp | 映像信号再生装置 |
| US4544967A (en) * | 1982-04-02 | 1985-10-01 | Ampex Corporation | Automatic scan tracking servo system |
| US4679098A (en) * | 1982-09-17 | 1987-07-07 | Ampex Corporation | Video tape transport servo for variable tape speed control |
| EP0304633B1 (en) * | 1982-09-17 | 1993-01-20 | Ampex Corporation | An improved automatic head position tracking servo for a rotary head magnetic tape recording and reproducing apparatus |
| AT376860B (de) * | 1983-03-15 | 1985-01-10 | Philips Nv | System zum wiedergeben von auf einem magnetband gespeicherten informationssignalen |
| JPS6016774A (ja) * | 1983-07-08 | 1985-01-28 | Sony Corp | 映像信号再生装置 |
| JPS60158781A (ja) * | 1984-01-27 | 1985-08-20 | Sony Corp | ビデオテ−プレコ−ダ− |
| US4791507A (en) * | 1984-05-11 | 1988-12-13 | Matsushita Electric Industrial Co., Ltd. | Apparatus for reproducing information at variable speeds from a magnetic tape |
| US5189572A (en) * | 1984-08-16 | 1993-02-23 | Ampex Corporation | Magnetic control of a transducer signal transfer zone to effect tracking of a path along a record medium |
| JPH0677292B2 (ja) * | 1984-09-28 | 1994-09-28 | ソニー株式会社 | 自動トラツキング装置 |
| US4933784A (en) * | 1988-10-31 | 1990-06-12 | Ampex Corporation | Automatic head position tracking system for video signals recorded in a segmented format |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50103096A (it) * | 1974-01-23 | 1975-08-14 | ||
| GB1579854A (en) * | 1976-03-19 | 1980-11-26 | Ampex | Method and apparatus for producing time base altered effects in data recording and reproducing apparatus |
| GB1560023A (en) * | 1976-10-05 | 1980-01-30 | Sony Corp | Automatic magnetic-head scan tracking arrangements |
| US4163993A (en) * | 1978-03-23 | 1979-08-07 | Ampex Corporation | Continuous slow motion automatic tracking system |
-
1978
- 1978-09-07 JP JP11017478A patent/JPS5538649A/ja active Granted
-
1979
- 1979-09-04 CA CA000334976A patent/CA1134506A/en not_active Expired
- 1979-09-04 AU AU50543/79A patent/AU530888B2/en not_active Expired
- 1979-09-06 SU SU792818555A patent/SU1068052A3/ru active
- 1979-09-06 NL NL7906680A patent/NL7906680A/nl not_active Application Discontinuation
- 1979-09-06 DK DK372779A patent/DK149673C/da not_active IP Right Cessation
- 1979-09-06 DE DE19792936083 patent/DE2936083A1/de active Granted
- 1979-09-06 CH CH805579A patent/CH637257A5/fr not_active IP Right Cessation
- 1979-09-06 ES ES483939A patent/ES483939A1/es not_active Expired
- 1979-09-06 GB GB7930961A patent/GB2030346B/en not_active Expired
- 1979-09-06 BR BR7905744A patent/BR7905744A/pt not_active IP Right Cessation
- 1979-09-06 US US06/073,246 patent/US4287538A/en not_active Expired - Lifetime
- 1979-09-07 IT IT25556/79A patent/IT1122997B/it active
- 1979-09-07 SE SE7907460A patent/SE437092B/sv not_active IP Right Cessation
- 1979-09-07 AT AT0592279A patent/AT382993B/de not_active IP Right Cessation
- 1979-09-07 FR FR7922471A patent/FR2435777B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SU1068052A3 (ru) | 1984-01-15 |
| AU530888B2 (en) | 1983-08-04 |
| US4287538A (en) | 1981-09-01 |
| JPS6252991B2 (it) | 1987-11-09 |
| ES483939A1 (es) | 1980-04-01 |
| SE437092B (sv) | 1985-02-04 |
| DK149673B (da) | 1986-09-01 |
| JPS5538649A (en) | 1980-03-18 |
| FR2435777B1 (fr) | 1985-12-06 |
| BR7905744A (pt) | 1980-05-20 |
| ATA592279A (de) | 1986-09-15 |
| CA1134506A (en) | 1982-10-26 |
| IT7925556A0 (it) | 1979-09-07 |
| DE2936083C2 (it) | 1988-08-04 |
| DK372779A (da) | 1980-03-08 |
| SE7907460L (sv) | 1980-03-08 |
| FR2435777A1 (fr) | 1980-04-04 |
| NL7906680A (nl) | 1980-03-11 |
| DE2936083A1 (de) | 1980-03-27 |
| AU5054379A (en) | 1980-03-13 |
| GB2030346A (en) | 1980-04-02 |
| GB2030346B (en) | 1982-11-03 |
| CH637257A5 (fr) | 1983-07-15 |
| DK149673C (da) | 1987-05-11 |
| AT382993B (de) | 1987-05-11 |
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