CA1147456A - Automatically compensated movable head servo circuit and method - Google Patents
Automatically compensated movable head servo circuit and methodInfo
- Publication number
- CA1147456A CA1147456A CA000320228A CA320228A CA1147456A CA 1147456 A CA1147456 A CA 1147456A CA 000320228 A CA000320228 A CA 000320228A CA 320228 A CA320228 A CA 320228A CA 1147456 A CA1147456 A CA 1147456A
- Authority
- CA
- Canada
- Prior art keywords
- head
- signal
- track
- tape
- line
- 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.)
- Expired
Links
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- BFPSDSIWYFKGBC-UHFFFAOYSA-N chlorotrianisene Chemical compound C1=CC(OC)=CC=C1C(Cl)=C(C=1C=CC(OC)=CC=1)C1=CC=C(OC)C=C1 BFPSDSIWYFKGBC-UHFFFAOYSA-N 0.000 description 1
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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
- G11B15/18—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
- 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)
- Control Of Position Or Direction (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US88999478A | 1978-03-23 | 1978-03-23 | |
| US889,994 | 1978-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1147456A true CA1147456A (en) | 1983-05-31 |
Family
ID=25396083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000320228A Expired CA1147456A (en) | 1978-03-23 | 1979-01-24 | Automatically compensated movable head servo circuit and method |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS54163618A (enrdf_load_stackoverflow) |
| AT (1) | AT381823B (enrdf_load_stackoverflow) |
| BE (1) | BE875025A (enrdf_load_stackoverflow) |
| CA (1) | CA1147456A (enrdf_load_stackoverflow) |
| DE (1) | DE2911122A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2420816B1 (enrdf_load_stackoverflow) |
| GB (1) | GB2017352B (enrdf_load_stackoverflow) |
| HK (1) | HK6887A (enrdf_load_stackoverflow) |
| IT (1) | IT1115051B (enrdf_load_stackoverflow) |
| NL (1) | NL181311C (enrdf_load_stackoverflow) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56127925A (en) * | 1980-03-13 | 1981-10-07 | Sony Corp | Tracking device of magnetic head |
| JPS57140083A (en) * | 1981-02-24 | 1982-08-30 | 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 |
| JPS58169360A (ja) * | 1982-03-30 | 1983-10-05 | Sony Corp | ビデオ信号再生装置 |
| EP0091190B2 (en) * | 1982-04-02 | 1993-03-03 | Ampex Corporation | A programmable nonlinear speed control for a recording and/or reproducing apparatus |
| JPS6087422A (ja) * | 1983-09-19 | 1985-05-17 | アムペックス コーポレーション | 自動ヘツド位置トラツキングサ−ボ方式 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2260163B1 (enrdf_load_stackoverflow) * | 1974-02-04 | 1979-08-03 | Thomson Brandt | |
| DE2423074C2 (de) * | 1974-05-13 | 1983-09-22 | Robert Bosch Gmbh, 7000 Stuttgart | Einrichtung zur Spurführung eines Lichtstrahlabtastkopfes |
| 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 |
| US4106065A (en) * | 1976-03-19 | 1978-08-08 | Ampex Corporation | Drive circuitry for controlling movable video head |
| US4093885A (en) * | 1976-03-19 | 1978-06-06 | Ampex Corporation | Transducer assembly vibration sensor |
| US4151570A (en) * | 1976-03-22 | 1979-04-24 | Ampex Corporation | Automatic scan tracking using a magnetic head supported by a piezoelectric bender element |
| US4099211A (en) * | 1976-09-13 | 1978-07-04 | Ampex Corporation | Positionable transducing mounting structure and driving system therefor |
| GB1580008A (en) * | 1977-06-04 | 1980-11-26 | Sony Corp | Automatic head tracking system |
| JPS5492307A (en) * | 1977-12-29 | 1979-07-21 | Sony Corp | Driving circuit of electrostrictive converter |
| JPS54113308A (en) * | 1978-02-23 | 1979-09-04 | Sony Corp | Tracking device for magnetic head |
-
1979
- 1979-01-24 CA CA000320228A patent/CA1147456A/en not_active Expired
- 1979-03-19 GB GB7909590A patent/GB2017352B/en not_active Expired
- 1979-03-21 DE DE19792911122 patent/DE2911122A1/de active Granted
- 1979-03-21 IT IT48427/79A patent/IT1115051B/it active
- 1979-03-22 BE BE0/194158A patent/BE875025A/xx not_active IP Right Cessation
- 1979-03-22 FR FR7907283A patent/FR2420816B1/fr not_active Expired
- 1979-03-22 NL NLAANVRAGE7902274,A patent/NL181311C/xx not_active IP Right Cessation
- 1979-03-23 AT AT0217279A patent/AT381823B/de not_active IP Right Cessation
- 1979-03-23 JP JP3420679A patent/JPS54163618A/ja active Pending
-
1987
- 1987-01-15 HK HK68/87A patent/HK6887A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| HK6887A (en) | 1987-01-23 |
| BE875025A (fr) | 1979-07-16 |
| NL181311B (nl) | 1987-02-16 |
| DE2911122A1 (de) | 1979-09-27 |
| JPS54163618A (en) | 1979-12-26 |
| GB2017352A (en) | 1979-10-03 |
| DE2911122C2 (enrdf_load_stackoverflow) | 1987-07-02 |
| IT7948427A0 (it) | 1979-03-21 |
| NL181311C (nl) | 1987-07-16 |
| AT381823B (de) | 1986-12-10 |
| FR2420816B1 (fr) | 1988-07-29 |
| ATA217279A (de) | 1986-04-15 |
| NL7902274A (nl) | 1979-09-25 |
| GB2017352B (en) | 1982-08-25 |
| FR2420816A1 (fr) | 1979-10-19 |
| IT1115051B (it) | 1986-02-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |