IT7948427A0 - AUTOMATIC HEAD DRIVING DEVICE IN MAGNETIC VIDEO RECORDERS - Google Patents
AUTOMATIC HEAD DRIVING DEVICE IN MAGNETIC VIDEO RECORDERSInfo
- Publication number
- IT7948427A0 IT7948427A0 IT7948427A IT4842779A IT7948427A0 IT 7948427 A0 IT7948427 A0 IT 7948427A0 IT 7948427 A IT7948427 A IT 7948427A IT 4842779 A IT4842779 A IT 4842779A IT 7948427 A0 IT7948427 A0 IT 7948427A0
- Authority
- IT
- Italy
- Prior art keywords
- driving device
- head driving
- video recorders
- automatic head
- magnetic video
- Prior art date
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
- G11B15/18—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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US88999478A | 1978-03-23 | 1978-03-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT7948427A0 true IT7948427A0 (en) | 1979-03-21 |
| IT1115051B IT1115051B (en) | 1986-02-03 |
Family
ID=25396083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT48427/79A IT1115051B (en) | 1978-03-23 | 1979-03-21 | AUTOMATIC HEAD PILOTING DEVICE IN VIDEO MAGNETIC RECORDERS |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS54163618A (en) |
| AT (1) | AT381823B (en) |
| BE (1) | BE875025A (en) |
| CA (1) | CA1147456A (en) |
| DE (1) | DE2911122A1 (en) |
| FR (1) | FR2420816B1 (en) |
| GB (1) | GB2017352B (en) |
| HK (1) | HK6887A (en) |
| IT (1) | IT1115051B (en) |
| NL (1) | NL181311C (en) |
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 (en) * | 1982-03-30 | 1983-10-05 | Sony Corp | Video signal reproducing device |
| EP0091190B2 (en) * | 1982-04-02 | 1993-03-03 | Ampex Corporation | A programmable nonlinear speed control for a recording and/or reproducing apparatus |
| JPS6087422A (en) * | 1983-09-19 | 1985-05-17 | アムペックス コーポレーション | Automatic head position tracking servo system |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2260163B1 (en) * | 1974-02-04 | 1979-08-03 | Thomson Brandt | |
| DE2423074C2 (en) * | 1974-05-13 | 1983-09-22 | Robert Bosch Gmbh, 7000 Stuttgart | Device for tracking a light beam scanning head |
| US4106065A (en) * | 1976-03-19 | 1978-08-08 | Ampex Corporation | Drive circuitry for controlling movable video head |
| US4080636A (en) * | 1976-03-19 | 1978-03-21 | Ampex Corporation | System for damping vibrations in a deflectable transducer |
| US4093885A (en) * | 1976-03-19 | 1978-06-06 | Ampex Corporation | Transducer assembly vibration sensor |
| IT1073210B (en) * | 1976-03-19 | 1985-04-13 | Ampex Corp Soc | SYSTEM FOR PRODUCING SPECIAL MOVEMENT EFFECTS IN VIDEO RECORDING AND PLAYBACK DEVICES |
| 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/en active Granted
- 1979-03-21 IT IT48427/79A patent/IT1115051B/en active
- 1979-03-22 BE BE0/194158A patent/BE875025A/en not_active IP Right Cessation
- 1979-03-22 NL NLAANVRAGE7902274,A patent/NL181311C/en not_active IP Right Cessation
- 1979-03-22 FR FR7907283A patent/FR2420816B1/en not_active Expired
- 1979-03-23 JP JP3420679A patent/JPS54163618A/en active Pending
- 1979-03-23 AT AT0217279A patent/AT381823B/en not_active IP Right Cessation
-
1987
- 1987-01-15 HK HK68/87A patent/HK6887A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB2017352A (en) | 1979-10-03 |
| NL181311C (en) | 1987-07-16 |
| GB2017352B (en) | 1982-08-25 |
| DE2911122A1 (en) | 1979-09-27 |
| AT381823B (en) | 1986-12-10 |
| DE2911122C2 (en) | 1987-07-02 |
| FR2420816B1 (en) | 1988-07-29 |
| NL7902274A (en) | 1979-09-25 |
| HK6887A (en) | 1987-01-23 |
| IT1115051B (en) | 1986-02-03 |
| BE875025A (en) | 1979-07-16 |
| JPS54163618A (en) | 1979-12-26 |
| ATA217279A (en) | 1986-04-15 |
| NL181311B (en) | 1987-02-16 |
| CA1147456A (en) | 1983-05-31 |
| FR2420816A1 (en) | 1979-10-19 |
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