FR2290724A1 - Dispositif d'alignement tete/piste pour un enregistreur magnetique a balayage helicoidal - Google Patents
Dispositif d'alignement tete/piste pour un enregistreur magnetique a balayage helicoidalInfo
- Publication number
- FR2290724A1 FR2290724A1 FR7529325A FR7529325A FR2290724A1 FR 2290724 A1 FR2290724 A1 FR 2290724A1 FR 7529325 A FR7529325 A FR 7529325A FR 7529325 A FR7529325 A FR 7529325A FR 2290724 A1 FR2290724 A1 FR 2290724A1
- Authority
- FR
- France
- Prior art keywords
- helicoidal
- head
- alignment device
- magnetic recorder
- track alignment
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/60—Guiding record carrier
- G11B15/602—Guiding record carrier for track selection, acquisition or following
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
- G11B15/1808—Driving of both record carrier and head
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/60—Guiding record carrier
- G11B15/61—Guiding record carrier on drum, e.g. drum containing rotating heads
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/521,722 US3964094A (en) | 1974-11-07 | 1974-11-07 | Servo information pattern for rotating head magnetic tape unit independent of amplitude |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2290724A1 true FR2290724A1 (fr) | 1976-06-04 |
FR2290724B1 FR2290724B1 (fr) | 1980-01-11 |
Family
ID=24077870
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7529325A Granted FR2290724A1 (fr) | 1974-11-07 | 1975-09-19 | Dispositif d'alignement tete/piste pour un enregistreur magnetique a balayage helicoidal |
Country Status (8)
Country | Link |
---|---|
US (1) | US3964094A (fr) |
JP (1) | JPS5158911A (fr) |
BR (1) | BR7507381A (fr) |
CA (1) | CA1064611A (fr) |
DE (1) | DE2548572A1 (fr) |
FR (1) | FR2290724A1 (fr) |
GB (1) | GB1474012A (fr) |
IT (1) | IT1042691B (fr) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4007493A (en) * | 1975-05-06 | 1977-02-08 | Burroughs Corporation | Track positioning system for magnetic transducer head |
GB1474892A (en) * | 1975-06-27 | 1977-05-25 | Burroughs Corp | Method and apparatus for recording and reproducing information on a plural-track record disc |
GB1603114A (en) * | 1977-03-24 | 1981-11-18 | Baldwin J L E | Magnetic tape recording and/or reproducing apparatus |
US4149204A (en) * | 1977-03-28 | 1979-04-10 | International Business Machines Corporation | Minor bit reduction on a magnetic head |
US4148080A (en) * | 1977-06-16 | 1979-04-03 | Burroughs Corporation | Di-bit recording technique and associated system |
AT353855B (de) * | 1977-07-28 | 1979-12-10 | Grundig Emv | Anordnung zur exakten spurhaltung |
JPS54113308A (en) * | 1978-02-23 | 1979-09-04 | Sony Corp | Tracking device for magnetic head |
SU830917A1 (ru) * | 1979-08-16 | 1983-02-07 | Предприятие П/Я Р-6707 | Блок вращающихс магнитных головок |
JPS5683836A (en) * | 1979-12-10 | 1981-07-08 | Victor Co Of Japan Ltd | Magnetic recording and reproducing device |
JPS56119917A (en) * | 1980-02-28 | 1981-09-19 | Victor Co Of Japan Ltd | Track deviation detecting system in magnetic recording and reproducing device |
JPS5753823A (en) * | 1980-09-17 | 1982-03-31 | Matsushita Electric Ind Co Ltd | Tracking control system |
JPS57111188A (en) * | 1980-12-27 | 1982-07-10 | Canon Inc | Magnetic recorder and reproducer |
JPH0640406B2 (ja) * | 1985-01-31 | 1994-05-25 | ソニー株式会社 | 情報信号再生装置のドラムサ−ボ回路 |
US4868692A (en) * | 1987-03-31 | 1989-09-19 | Matsushita Electric Industrial Co., Ltd. | Tracking error signal forming circuit |
KR920001156B1 (ko) * | 1988-07-13 | 1992-02-06 | 삼성전자 주식회사 | 컴퓨터용 자기헤드 |
JPH037824U (fr) * | 1989-06-13 | 1991-01-25 | ||
JPH08185652A (ja) * | 1994-12-29 | 1996-07-16 | Sony Corp | サーボ装置 |
CN107924197B (zh) * | 2016-08-18 | 2022-01-11 | 苏州聚晟太阳能科技股份有限公司 | 多重保护跟踪系统及方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2938962A (en) * | 1955-07-12 | 1960-05-31 | Konins | Azimuth seeking reproducing head |
NL274159A (fr) * | 1961-02-06 | |||
US3175205A (en) * | 1961-06-13 | 1965-03-23 | Ibm | Data tracking system |
US3185972A (en) * | 1961-10-10 | 1965-05-25 | Ibm | Transducer positioning system utilizing record with interspersed data and positioning information |
US3666897A (en) * | 1969-12-17 | 1972-05-30 | Ibm | Recording and reproducing system with video heads reading both information data from oblique tracks and address data from the longitudinal control track |
US3686649A (en) * | 1970-11-18 | 1972-08-22 | Burroughs Corp | Magnetic positioning mechanism with trapezoidal head |
US3845500A (en) * | 1973-11-12 | 1974-10-29 | Ibm | Head to track alignment in a rotating head magnetic tape unit |
JPS5437483B2 (fr) * | 1973-12-18 | 1979-11-15 |
-
1974
- 1974-11-07 US US05/521,722 patent/US3964094A/en not_active Expired - Lifetime
-
1975
- 1975-08-14 GB GB3382475A patent/GB1474012A/en not_active Expired
- 1975-09-18 CA CA235,839A patent/CA1064611A/fr not_active Expired
- 1975-09-19 FR FR7529325A patent/FR2290724A1/fr active Granted
- 1975-09-19 IT IT27413/75A patent/IT1042691B/it active
- 1975-09-23 JP JP50114389A patent/JPS5158911A/ja active Granted
- 1975-10-30 DE DE19752548572 patent/DE2548572A1/de not_active Ceased
- 1975-11-07 BR BR7507381*A patent/BR7507381A/pt unknown
Also Published As
Publication number | Publication date |
---|---|
US3964094A (en) | 1976-06-15 |
DE2548572A1 (de) | 1976-05-13 |
FR2290724B1 (fr) | 1980-01-11 |
CA1064611A (fr) | 1979-10-16 |
JPS5723331B2 (fr) | 1982-05-18 |
BR7507381A (pt) | 1976-08-03 |
GB1474012A (en) | 1977-05-18 |
IT1042691B (it) | 1980-01-30 |
JPS5158911A (en) | 1976-05-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |