HK12086A - Automatic scan tracking - Google Patents
Automatic scan trackingInfo
- Publication number
- HK12086A HK12086A HK120/86A HK12086A HK12086A HK 12086 A HK12086 A HK 12086A HK 120/86 A HK120/86 A HK 120/86A HK 12086 A HK12086 A HK 12086A HK 12086 A HK12086 A HK 12086A
- Authority
- HK
- Hong Kong
- Prior art keywords
- automatic scan
- scan tracking
- tracking
- automatic
- scan
- 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 |
---|---|---|---|
US05/669,047 US4151570A (en) | 1976-03-22 | 1976-03-22 | Automatic scan tracking using a magnetic head supported by a piezoelectric bender element |
Publications (1)
Publication Number | Publication Date |
---|---|
HK12086A true HK12086A (en) | 1986-02-28 |
Family
ID=24684805
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK117/86A HK11786A (en) | 1976-03-22 | 1986-02-20 | Automatic scan tracking |
HK121/86A HK12186A (en) | 1976-03-22 | 1986-02-20 | Automatic scan tracking |
HK120/86A HK12086A (en) | 1976-03-22 | 1986-02-20 | Automatic scan tracking |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK117/86A HK11786A (en) | 1976-03-22 | 1986-02-20 | Automatic scan tracking |
HK121/86A HK12186A (en) | 1976-03-22 | 1986-02-20 | Automatic scan tracking |
Country Status (11)
Country | Link |
---|---|
US (1) | US4151570A (xx) |
JP (1) | JPS6028047B2 (xx) |
AT (1) | AT372540B (xx) |
BE (1) | BE852715A (xx) |
CA (1) | CA1129090A (xx) |
DE (8) | DE2760204C2 (xx) |
FR (1) | FR2345779A1 (xx) |
GB (3) | GB1579851A (xx) |
HK (3) | HK11786A (xx) |
IT (1) | IT1083494B (xx) |
NL (1) | NL7703097A (xx) |
Families Citing this family (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53102713A (en) * | 1977-02-21 | 1978-09-07 | Sony Corp | Automatic tracking device for magnetic recorder/reproducer |
US4169276A (en) * | 1977-10-17 | 1979-09-25 | Ampex Corporation | Drive circuit for controlling a movable magnetic head |
JPS5465512A (en) * | 1977-11-04 | 1979-05-26 | Sony Corp | Tracking servo apparatus |
JPS5465513A (en) * | 1977-11-04 | 1979-05-26 | Sony Corp | Tracking servo apparatus |
JPS5480716A (en) * | 1977-12-12 | 1979-06-27 | Sony Corp | Automatic tracking apparatus |
JPS54113308A (en) * | 1978-02-23 | 1979-09-04 | Sony Corp | Tracking device for magnetic head |
JPS6125071Y2 (xx) * | 1978-03-03 | 1986-07-28 | ||
US4197564A (en) * | 1978-03-23 | 1980-04-08 | Ampex Corporation | Automatically calibrated RF envelope detector circuit |
US4163993A (en) * | 1978-03-23 | 1979-08-07 | Ampex Corporation | Continuous slow motion automatic tracking system |
US4319289A (en) | 1978-03-23 | 1982-03-09 | Ampex Corporation | Movable head automatic position acquisition circuit and method |
US4308560A (en) * | 1978-03-23 | 1981-12-29 | Ampex Corporation | Method of operating a signal reproducing apparatus for effecting synchronous reproduction of recorded signals |
US4215362A (en) * | 1978-03-23 | 1980-07-29 | Ampex Corporation | Track selection method and apparatus |
CA1147456A (en) * | 1978-03-23 | 1983-05-31 | Raymond F. Ravizza | Automatically compensated movable head servo circuit and method |
JPS5831893Y2 (ja) * | 1978-09-07 | 1983-07-14 | 株式会社トクヤマ | 陽極室 |
JPS5539478A (en) * | 1978-09-14 | 1980-03-19 | Sony Corp | Regenerator of video signal |
US4204234A (en) * | 1978-10-27 | 1980-05-20 | International Business Machines Corporation | System for positioning single gap magnetic head to follow moving recorded data track |
US4285017A (en) * | 1979-02-05 | 1981-08-18 | International Business Machines Corporation | Stripe following in a helical scan device |
DE2918259A1 (de) * | 1979-05-07 | 1980-11-20 | Sony Corp | Verfahren und vorrichtung zum beseitigen der remanenten auslenkung in einer piezokeramischen kopfhalterung eines video-rekorders |
GB2050671B (en) * | 1979-06-09 | 1983-08-17 | Sony Corp | Rotary transducer head assemblies |
JPS5665332A (en) * | 1979-10-29 | 1981-06-03 | Sony Corp | Magnetic recording and reproducing device |
JPS56127925A (en) * | 1980-03-13 | 1981-10-07 | Sony Corp | Tracking device of magnetic head |
US4337492A (en) * | 1980-04-08 | 1982-06-29 | Minnesota Mining And Manufacturing Company | Head positioning transducer for helical scan video reproducer |
JPS56153527A (en) * | 1980-04-12 | 1981-11-27 | Hitachi Denshi Ltd | Piezoelectric bimorph type transducer |
JPS56156924A (en) * | 1980-05-08 | 1981-12-03 | Sony Corp | Track following device |
US4485414A (en) * | 1980-07-07 | 1984-11-27 | Ampex Corporation | Servo system for positioning a movable transducing head assembly |
US4385373A (en) * | 1980-11-10 | 1983-05-24 | Eastman Kodak Company | Device for focus and alignment control in optical recording and/or playback apparatus |
US4470079A (en) * | 1981-02-13 | 1984-09-04 | Victor Company Of Japan, Ltd. | Tracking control system in a magnetic recording and reproducing apparatus |
JPS5862993A (ja) * | 1981-10-09 | 1983-04-14 | Matsushita Electric Ind Co Ltd | 自動トラツキング装置 |
US4550351A (en) * | 1982-03-31 | 1985-10-29 | Rca Corporation | Adaptive automatic scan tracking system |
AT379269B (de) * | 1982-05-13 | 1985-12-10 | Philips Nv | Schaltungsanordnung zur erzeugung einer steuerspannung fuer ein piezoelektrisches element einer positionierungseinrichtung |
US4543621A (en) * | 1982-06-10 | 1985-09-24 | Datacopy Corporation | Spiral track disk drive |
US4513332A (en) * | 1982-08-04 | 1985-04-23 | Datacopy Corporation | Disk drive having fine and coarse control of the read/write head |
NL8203618A (nl) * | 1982-09-20 | 1984-04-16 | Philips Nv | Inrichting voor het uitlezen van een registratiedrager. |
US4595960A (en) * | 1982-11-03 | 1986-06-17 | Rca Corporation | Phase-reversed dithered automatic scan tracking system |
JPS59185019A (ja) * | 1983-04-04 | 1984-10-20 | Nec Corp | 特殊再生装置 |
JPS6085753U (ja) * | 1983-11-18 | 1985-06-13 | 日本ビクター株式会社 | 磁気テ−プ記録再生装置 |
US4760471A (en) * | 1986-04-11 | 1988-07-26 | Ampex Corporation | System and method to improve picture quality during shuttling of video tapes |
US4804894A (en) * | 1986-06-10 | 1989-02-14 | Sony Corporation | Motor rotation servo control apparatus |
US5101309A (en) * | 1988-08-23 | 1992-03-31 | Mitsubishi Denki Kabushiki Kaisha | Apparatus for automatically optimizing magnetic recording and playback |
US4933784A (en) * | 1988-10-31 | 1990-06-12 | Ampex Corporation | Automatic head position tracking system for video signals recorded in a segmented format |
JPH02148410A (ja) * | 1988-11-29 | 1990-06-07 | Toshiba Corp | ヘッド装置及び磁気記録再生装置 |
KR920020475A (ko) * | 1991-04-12 | 1992-11-21 | 더글라스 엠 길버어트 | 신호 레코더에서의 삽입 편집을 자동으로 적절하게 실행하는 2채널 방법 및 장치 |
KR920020488A (ko) * | 1991-04-12 | 1992-11-21 | 더글라스 엠 길버어트 | 신호 레코더에서의 삽입 편집을 자동으로 적절하게 실행하는 1채널 방법 및 장치 |
WO1994001861A1 (en) * | 1992-07-10 | 1994-01-20 | Wangtek, Inc. | Servo controlled magnetic head positioner |
JP2858635B2 (ja) * | 1994-12-21 | 1999-02-17 | 日本ビクター株式会社 | 磁気記録再生装置 |
KR20040062996A (ko) * | 2001-12-19 | 2004-07-09 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 정보를 판독하는 광학장치 |
US10673368B2 (en) | 2018-03-23 | 2020-06-02 | The Boeing Company | System and method for pulse-width modulation using an adjustable comparison criterion |
US10414519B1 (en) * | 2018-03-23 | 2019-09-17 | The Boeing Company | System and method for generation of dithered excitation signals |
US10911061B2 (en) * | 2018-03-23 | 2021-02-02 | The Boeing Company | System and method for demodulation of resolver outputs |
US10830591B2 (en) | 2018-03-23 | 2020-11-10 | The Boeing Company | System and method for dual speed resolver |
US10913550B2 (en) | 2018-03-23 | 2021-02-09 | The Boeing Company | System and method for position and speed feedback control |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3155830A (en) * | 1961-06-27 | 1964-11-03 | American Radiator & Standard | Self-searching, self-dithering servo system |
US3126535A (en) * | 1961-12-27 | 1964-03-24 | Transducer positioning system | |
US3246307A (en) * | 1962-05-22 | 1966-04-12 | Ibm | Servo positioning system for magnetic disk file |
US3263031A (en) * | 1962-05-29 | 1966-07-26 | Sperry Rand Corp | High-low frequency homing |
US3292168A (en) * | 1962-08-13 | 1966-12-13 | Sperry Rand Corp | High resolution, head positioner system |
US3340367A (en) * | 1963-07-24 | 1967-09-05 | Ampex | Playback equalization scheme for a reproduced frequency modulated signal |
DE1275580B (de) * | 1964-06-25 | 1968-08-22 | Grundig Max | Verfahren und Einrichtung zur Verminderung der Abweichung des Videokopfes von der Aufzeichnungsspur bei der Abtastung von Video-Magnetbandaufzeichnungen |
US3340767A (en) * | 1965-11-29 | 1967-09-12 | Salvatore J Penza | Missile flotation ejection means |
US3501586A (en) * | 1966-09-01 | 1970-03-17 | Battelle Development Corp | Analog to digital to optical photographic recording and playback system |
US3526726A (en) * | 1967-09-27 | 1970-09-01 | Ampex | Piezoelectric transducer assembly for positioning a magnetic record/reproduce head |
US3544718A (en) * | 1967-11-13 | 1970-12-01 | Zenith Radio Corp | Video playback systems |
US3663763A (en) * | 1970-04-06 | 1972-05-16 | Ampex | Automatic tracking method and apparatus for rotary scan tape transport |
BE790000A (fr) * | 1971-10-12 | 1973-02-01 | Ampex | Tete d'enregistrement et de lecture magnetiques |
US3748408A (en) * | 1971-11-08 | 1973-07-24 | Rca Corp | Tracking control for recorder-reproducer systems with the control transducer located at the neutral point of the tape stretch |
US3838453A (en) * | 1972-05-18 | 1974-09-24 | Ibm | Track following system for magnetic tape recorder |
JPS4920208A (xx) * | 1972-06-16 | 1974-02-22 | ||
JPS5633772B2 (xx) * | 1972-12-20 | 1981-08-06 | ||
DE2364784A1 (de) * | 1973-12-27 | 1975-07-03 | Ibm Deutschland | Spurnachlaufsteuerung fuer einen magnetplattenspeicher |
JPS5243362A (en) * | 1975-10-01 | 1977-04-05 | Fujitsu Ltd | Liquid growth method |
-
1976
- 1976-03-22 US US05/669,047 patent/US4151570A/en not_active Expired - Lifetime
-
1977
- 1977-02-28 IT IT48244/77A patent/IT1083494B/it active
- 1977-03-03 GB GB9100/77A patent/GB1579851A/en not_active Expired
- 1977-03-03 GB GB34419/79A patent/GB1579857A/en not_active Expired
- 1977-03-03 GB GB34420/79A patent/GB1579858A/en not_active Expired
- 1977-03-17 FR FR7707950A patent/FR2345779A1/fr active Granted
- 1977-03-21 BE BE175986A patent/BE852715A/xx not_active IP Right Cessation
- 1977-03-21 AT AT0195977A patent/AT372540B/de not_active IP Right Cessation
- 1977-03-21 CA CA274,434A patent/CA1129090A/en not_active Expired
- 1977-03-22 DE DE2760204A patent/DE2760204C2/de not_active Expired
- 1977-03-22 DE DE2760205A patent/DE2760205C2/de not_active Expired
- 1977-03-22 DE DE2760210A patent/DE2760210C2/de not_active Expired
- 1977-03-22 DE DE19772712504 patent/DE2712504A1/de active Granted
- 1977-03-22 DE DE2760206A patent/DE2760206C2/de not_active Expired
- 1977-03-22 DE DE2760209A patent/DE2760209C2/de not_active Expired - Lifetime
- 1977-03-22 DE DE2760207A patent/DE2760207C2/de not_active Expired
- 1977-03-22 DE DE2760208A patent/DE2760208C2/de not_active Expired
- 1977-03-22 JP JP52031481A patent/JPS6028047B2/ja not_active Expired
- 1977-03-22 NL NL7703097A patent/NL7703097A/xx not_active Application Discontinuation
-
1986
- 1986-02-20 HK HK117/86A patent/HK11786A/xx unknown
- 1986-02-20 HK HK121/86A patent/HK12186A/xx unknown
- 1986-02-20 HK HK120/86A patent/HK12086A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
CA1129090A (en) | 1982-08-03 |
DE2760209C2 (xx) | 1990-03-22 |
GB1579857A (en) | 1980-11-26 |
ATA195977A (de) | 1983-02-15 |
FR2345779A1 (fr) | 1977-10-21 |
HK11786A (en) | 1986-02-28 |
IT1083494B (it) | 1985-05-21 |
DE2760204C2 (xx) | 1987-11-05 |
DE2760210C2 (xx) | 1987-12-03 |
US4151570A (en) | 1979-04-24 |
DE2760205C2 (de) | 1986-11-27 |
JPS6028047B2 (ja) | 1985-07-02 |
DE2712504A1 (de) | 1977-10-06 |
DE2760207C2 (xx) | 1987-11-05 |
NL7703097A (nl) | 1977-09-26 |
JPS52117603A (en) | 1977-10-03 |
GB1579858A (en) | 1980-11-26 |
FR2345779B1 (xx) | 1980-05-09 |
DE2712504C2 (xx) | 1987-12-03 |
GB1579851A (en) | 1980-11-26 |
AT372540B (de) | 1983-10-25 |
DE2760206C2 (xx) | 1988-04-14 |
DE2760208C2 (xx) | 1987-11-05 |
BE852715A (fr) | 1977-07-18 |
HK12186A (en) | 1986-02-28 |
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