SE447175B - Apparat for lesning av information, innefattande en bandhastighetsstyrkrets - Google Patents
Apparat for lesning av information, innefattande en bandhastighetsstyrkretsInfo
- Publication number
- SE447175B SE447175B SE8004553A SE8004553A SE447175B SE 447175 B SE447175 B SE 447175B SE 8004553 A SE8004553 A SE 8004553A SE 8004553 A SE8004553 A SE 8004553A SE 447175 B SE447175 B SE 447175B
- Authority
- SE
- Sweden
- Prior art keywords
- signal
- head
- input
- control circuit
- speed control
- Prior art date
Links
- 230000003213 activating effect Effects 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 18
- 230000007246 mechanism Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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
Landscapes
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7904885A NL7904885A (nl) | 1979-06-22 | 1979-06-22 | Inrichting voor het uitlezen van informatie. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE8004553L SE8004553L (sv) | 1980-12-23 |
| SE447175B true SE447175B (sv) | 1986-10-27 |
Family
ID=19833402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8004553A SE447175B (sv) | 1979-06-22 | 1980-06-19 | Apparat for lesning av information, innefattande en bandhastighetsstyrkrets |
Country Status (21)
| Country | Link |
|---|---|
| US (1) | US4364097A (en, 2012) |
| JP (1) | JPS567260A (en, 2012) |
| AR (1) | AR226699A1 (en, 2012) |
| AT (1) | AT382487B (en, 2012) |
| AU (1) | AU534997B2 (en, 2012) |
| BE (1) | BE883945A (en, 2012) |
| BR (1) | BR8003813A (en, 2012) |
| CA (1) | CA1169553A (en, 2012) |
| CH (1) | CH654430A5 (en, 2012) |
| DD (1) | DD151526A5 (en, 2012) |
| DE (1) | DE3022472A1 (en, 2012) |
| DK (1) | DK150420C (en, 2012) |
| ES (1) | ES492623A0 (en, 2012) |
| FR (1) | FR2460021B1 (en, 2012) |
| GB (1) | GB2053528B (en, 2012) |
| IT (1) | IT1131628B (en, 2012) |
| MX (1) | MX147574A (en, 2012) |
| NL (1) | NL7904885A (en, 2012) |
| NZ (1) | NZ194091A (en, 2012) |
| SE (1) | SE447175B (en, 2012) |
| ZA (1) | ZA803192B (en, 2012) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5727421A (en) * | 1980-07-23 | 1982-02-13 | Sony Corp | Track following device |
| DE3267715D1 (en) * | 1981-12-07 | 1986-01-09 | Hitachi Ltd | Method and apparatus for detecting track jumping point in magnetic recording and reproducing system |
| US4550345A (en) * | 1981-12-09 | 1985-10-29 | Hitachi, Ltd. | Magnetic video pilot signal recording/reproducing system |
| JPS58150162A (ja) * | 1982-03-03 | 1983-09-06 | Hitachi Ltd | 磁気記録再生装置 |
| JPS59110062A (ja) * | 1982-12-13 | 1984-06-25 | Canon Inc | 情報信号記録再生装置 |
| US4594618A (en) * | 1982-12-24 | 1986-06-10 | Canon Kabushiki Kaisha | Information reproducing apparatus |
| JPS59151348A (ja) * | 1983-02-16 | 1984-08-29 | Sanyo Electric Co Ltd | 記録モ−ド判別回路 |
| JPS59229735A (ja) * | 1983-06-10 | 1984-12-24 | Canon Inc | 自動トラツキング装置 |
| JPS60140554A (ja) * | 1983-12-28 | 1985-07-25 | Canon Inc | ビデオ信号再生装置 |
| US4647990A (en) * | 1984-11-02 | 1987-03-03 | Victor Company Of Japan, Ltd. | Tracking control system |
| US4587581A (en) * | 1985-01-07 | 1986-05-06 | Datatape, Inc. | Magnetic tape tracking control apparatus |
| JP2542070B2 (ja) * | 1988-12-27 | 1996-10-09 | 株式会社日立製作所 | 磁気記録再生装置のトラツキング装置 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS515569B1 (en, 2012) * | 1970-05-23 | 1976-02-20 | ||
| US3803469A (en) * | 1972-05-18 | 1974-04-09 | Bosch Fernsehanlagen | System for controlling speed of the tape drive in a tape recording and replaying apparatus |
| US3931639A (en) * | 1974-07-12 | 1976-01-06 | International Business Machines Corporation | Transverse track location device with calibrated stepper motor |
| DE2530482C2 (de) * | 1974-07-15 | 1984-11-15 | N.V. Philips' Gloeilampenfabrieken, Eindhoven | Servosystem für ein Videoaufzeichnungsgerät |
| US4104684A (en) * | 1975-05-19 | 1978-08-01 | Matsushita Electric Industrial Co., Ltd. | Rotary head type magnetic video recording and reproducing system |
| JPS51138410A (en) * | 1975-05-26 | 1976-11-30 | Sony Corp | Method of recording and reproducing signal |
| NL7600470A (nl) * | 1976-01-17 | 1977-07-19 | Philips Nv | Servosysteem voor het sturen van de positie van een magneetkop ten opzichte van een te volgen spoor. |
| 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 |
| NL7702815A (nl) * | 1977-03-16 | 1978-09-19 | Philips Nv | Werkwijze voor het regelen van de positie van een schrijf- respektievelijk leeskop en een inrichting voor het uitvoeren van de werkwijze. |
| AT353855B (de) * | 1977-07-28 | 1979-12-10 | Grundig Emv | Anordnung zur exakten spurhaltung |
| NL7801318A (nl) * | 1978-02-06 | 1979-08-08 | Philips Nv | Werkwijze voor het regelen van de positie van een schrijf-leeskop en inrichting voor het uitvoeren van de werkwijze. |
-
1979
- 1979-06-22 NL NL7904885A patent/NL7904885A/nl not_active Application Discontinuation
-
1980
- 1980-05-28 ZA ZA00803192A patent/ZA803192B/xx unknown
- 1980-05-30 US US06/154,643 patent/US4364097A/en not_active Expired - Lifetime
- 1980-06-11 CA CA000353805A patent/CA1169553A/en not_active Expired
- 1980-06-12 AR AR281387A patent/AR226699A1/es active
- 1980-06-14 DE DE19803022472 patent/DE3022472A1/de active Granted
- 1980-06-17 DD DD80221892A patent/DD151526A5/de unknown
- 1980-06-18 FR FR8013539A patent/FR2460021B1/fr not_active Expired
- 1980-06-18 MX MX182827A patent/MX147574A/es unknown
- 1980-06-19 DK DK261880A patent/DK150420C/da not_active IP Right Cessation
- 1980-06-19 GB GB8020120A patent/GB2053528B/en not_active Expired
- 1980-06-19 BR BR8003813A patent/BR8003813A/pt unknown
- 1980-06-19 CH CH4725/80A patent/CH654430A5/de not_active IP Right Cessation
- 1980-06-19 AT AT0323880A patent/AT382487B/de not_active IP Right Cessation
- 1980-06-19 NZ NZ194091A patent/NZ194091A/xx unknown
- 1980-06-19 AU AU59420/80A patent/AU534997B2/en not_active Ceased
- 1980-06-19 SE SE8004553A patent/SE447175B/sv not_active IP Right Cessation
- 1980-06-20 BE BE0/201127A patent/BE883945A/fr not_active IP Right Cessation
- 1980-06-20 IT IT22917/80A patent/IT1131628B/it active
- 1980-06-20 ES ES492623A patent/ES492623A0/es active Granted
- 1980-06-23 JP JP8504580A patent/JPS567260A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| IT1131628B (it) | 1986-06-25 |
| BR8003813A (pt) | 1981-01-13 |
| ES8103427A1 (es) | 1981-02-16 |
| NL7904885A (nl) | 1980-12-24 |
| FR2460021B1 (fr) | 1987-01-23 |
| MX147574A (es) | 1982-12-14 |
| US4364097A (en) | 1982-12-14 |
| CA1169553A (en) | 1984-06-19 |
| CH654430A5 (de) | 1986-02-14 |
| AR226699A1 (es) | 1982-08-13 |
| AU534997B2 (en) | 1984-02-23 |
| GB2053528B (en) | 1983-04-07 |
| SE8004553L (sv) | 1980-12-23 |
| ATA323880A (de) | 1986-07-15 |
| AT382487B (de) | 1987-02-25 |
| DE3022472A1 (de) | 1981-01-15 |
| NZ194091A (en) | 1983-06-14 |
| JPH0152823B2 (en, 2012) | 1989-11-10 |
| DK261880A (da) | 1981-02-19 |
| DD151526A5 (de) | 1981-10-21 |
| AU5942080A (en) | 1981-01-08 |
| DE3022472C2 (en, 2012) | 1989-03-23 |
| DK150420B (da) | 1987-02-23 |
| IT8022917A0 (it) | 1980-06-20 |
| DK150420C (da) | 1987-07-13 |
| GB2053528A (en) | 1981-02-04 |
| JPS567260A (en) | 1981-01-24 |
| ZA803192B (en) | 1982-01-27 |
| BE883945A (fr) | 1980-12-22 |
| FR2460021A1 (fr) | 1981-01-16 |
| ES492623A0 (es) | 1981-02-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
Ref document number: 8004553-7 Effective date: 19920109 Format of ref document f/p: F |