BE875021A - Circuit d'acces automatique a la position convenable d'exploration du dispositif translucteur d'un appareil d'enregistrement et/ou reproduction video - Google Patents
Circuit d'acces automatique a la position convenable d'exploration du dispositif translucteur d'un appareil d'enregistrement et/ou reproduction videoInfo
- Publication number
- BE875021A BE875021A BE0/194154A BE194154A BE875021A BE 875021 A BE875021 A BE 875021A BE 0/194154 A BE0/194154 A BE 0/194154A BE 194154 A BE194154 A BE 194154A BE 875021 A BE875021 A BE 875021A
- Authority
- BE
- Belgium
- Prior art keywords
- translucer
- video recording
- access circuit
- automatic access
- exploration position
- 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 |
|---|---|---|---|
| US05/889,995 US4319289A (en) | 1978-03-23 | 1978-03-23 | Movable head automatic position acquisition circuit and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE875021A true BE875021A (fr) | 1979-07-16 |
Family
ID=25396086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE0/194154A BE875021A (fr) | 1978-03-23 | 1979-03-22 | Circuit d'acces automatique a la position convenable d'exploration du dispositif translucteur d'un appareil d'enregistrement et/ou reproduction video |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4319289A (xx) |
| JP (1) | JPS54164112A (xx) |
| AT (1) | AT381199B (xx) |
| BE (1) | BE875021A (xx) |
| CA (1) | CA1138101A (xx) |
| DE (2) | DE2911324C2 (xx) |
| FR (1) | FR2420808B1 (xx) |
| GB (1) | GB2020851B (xx) |
| HK (1) | HK787A (xx) |
| IT (1) | IT1115053B (xx) |
| NL (1) | NL7902275A (xx) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JPS60158781A (ja) * | 1984-01-27 | 1985-08-20 | Sony Corp | ビデオテ−プレコ−ダ− |
| US5119246A (en) * | 1989-03-24 | 1992-06-02 | Sony Corporation | Rf tracking servo for vtr with adjustable servo loop gain |
| WO1997009547A1 (en) * | 1995-09-01 | 1997-03-13 | Irwin Research And Development | Method and apparatus for control of drive systems for cycle based processes |
| JPH09116866A (ja) * | 1995-10-20 | 1997-05-02 | Sony Corp | 符号化方法、符号化復号化方法及び記録再生装置 |
| US20060244328A1 (en) * | 2005-04-29 | 2006-11-02 | Dong-Liang Guo | Brush motor having coreless assembly |
| JP2008146724A (ja) * | 2006-12-07 | 2008-06-26 | Toshiba Corp | ディスク記憶装置及びサーボテスト方法 |
| JP4427072B2 (ja) * | 2007-04-27 | 2010-03-03 | インターナショナル・ビジネス・マシーンズ・コーポレーション | 書込みリトライ方法及び磁気テープ装置 |
| US11567549B2 (en) * | 2019-05-31 | 2023-01-31 | Texas Instruments Incorporated | Reset circuit for battery management system |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3375331A (en) * | 1963-10-21 | 1968-03-26 | Nippon Electric Co | System for recording and reproducing a periodic signal |
| DE1774833C3 (de) * | 1967-09-20 | 1980-05-14 | Sony Corp., Tokio | Magnetbandwiedergabegerät |
| GB1312853A (en) * | 1969-09-30 | 1973-04-11 | Sanyo Electric Co | Video tape recorders |
| US3663764A (en) * | 1970-04-06 | 1972-05-16 | Ampex | Automatic tracking circuit for transverse scan magnetic tape transport |
| DE2216077C3 (de) * | 1972-04-01 | 1978-04-20 | Loewe Opta Gmbh, 1000 Berlin | Automatische Spurabtast-Regelschaltung für Video-Magnetband-Aufzeichnungsund Wiedergabegerät |
| JPS5650329B2 (xx) * | 1972-05-22 | 1981-11-28 | ||
| JPS5633772B2 (xx) * | 1972-12-20 | 1981-08-06 | ||
| JPS598891B2 (ja) * | 1974-11-26 | 1984-02-28 | ソニー株式会社 | 回転磁気ヘッド装置 |
| JPS6059787B2 (ja) * | 1975-10-14 | 1985-12-26 | ソニー株式会社 | 映像信号再生装置 |
| US4093885A (en) | 1976-03-19 | 1978-06-06 | Ampex Corporation | Transducer assembly vibration sensor |
| US4106065A (en) | 1976-03-19 | 1978-08-08 | Ampex Corporation | Drive circuitry for controlling movable video head |
| GB1579854A (en) * | 1976-03-19 | 1980-11-26 | Ampex | Method and apparatus for producing time base altered effects in data recording and reproducing apparatus |
| US4080636A (en) | 1976-03-19 | 1978-03-21 | Ampex Corporation | System for damping vibrations in a deflectable transducer |
| US4151570A (en) | 1976-03-22 | 1979-04-24 | Ampex Corporation | Automatic scan tracking using a magnetic head supported by a piezoelectric bender element |
| JPS6030008B2 (ja) * | 1976-08-20 | 1985-07-13 | ソニー株式会社 | 再生装置 |
| JPS6032258B2 (ja) * | 1976-09-13 | 1985-07-26 | ソニー株式会社 | 自動トラツキング制御装置 |
| US4099211A (en) * | 1976-09-13 | 1978-07-04 | Ampex Corporation | Positionable transducing mounting structure and driving system therefor |
-
1978
- 1978-03-23 US US05/889,995 patent/US4319289A/en not_active Expired - Lifetime
-
1979
- 1979-01-26 CA CA000320309A patent/CA1138101A/en not_active Expired
- 1979-03-06 GB GB7907816A patent/GB2020851B/en not_active Expired
- 1979-03-21 IT IT48428/79A patent/IT1115053B/it active
- 1979-03-22 DE DE2911324A patent/DE2911324C2/de not_active Expired
- 1979-03-22 NL NL7902275A patent/NL7902275A/xx not_active Application Discontinuation
- 1979-03-22 FR FR7907284A patent/FR2420808B1/fr not_active Expired
- 1979-03-22 BE BE0/194154A patent/BE875021A/xx not_active IP Right Cessation
- 1979-03-22 DE DE2954330A patent/DE2954330C2/de not_active Expired
- 1979-03-23 JP JP3420779A patent/JPS54164112A/ja active Pending
- 1979-03-23 AT AT0217379A patent/AT381199B/de not_active IP Right Cessation
-
1987
- 1987-01-02 HK HK7/87A patent/HK787A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ATA217379A (de) | 1986-01-15 |
| FR2420808A1 (fr) | 1979-10-19 |
| JPS54164112A (en) | 1979-12-27 |
| DE2954330C2 (xx) | 1988-04-07 |
| IT7948428A0 (it) | 1979-03-21 |
| NL7902275A (nl) | 1979-09-25 |
| GB2020851A (en) | 1979-11-21 |
| HK787A (en) | 1987-01-09 |
| FR2420808B1 (fr) | 1987-05-07 |
| US4319289A (en) | 1982-03-09 |
| GB2020851B (en) | 1982-07-07 |
| DE2911324A1 (de) | 1979-10-04 |
| AT381199B (de) | 1986-09-10 |
| IT1115053B (it) | 1986-02-03 |
| CA1138101A (en) | 1982-12-21 |
| DE2911324C2 (de) | 1984-11-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: AMPEX CORP. Effective date: 19940331 |