JP2513955B2 - 自動トラッキング方法 - Google Patents
自動トラッキング方法Info
- Publication number
- JP2513955B2 JP2513955B2 JP3327811A JP32781191A JP2513955B2 JP 2513955 B2 JP2513955 B2 JP 2513955B2 JP 3327811 A JP3327811 A JP 3327811A JP 32781191 A JP32781191 A JP 32781191A JP 2513955 B2 JP2513955 B2 JP 2513955B2
- Authority
- JP
- Japan
- Prior art keywords
- tracking
- value
- data
- level
- tracking data
- 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 - Fee Related
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
- G11B5/56—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 support for the purpose of adjusting the position of the head relative to the record carrier, e.g. manual adjustment for azimuth correction or track centering
-
- 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
-
- 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
- G11B15/46—Controlling, regulating, or indicating speed
- G11B15/467—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven
-
- 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
- G11B15/46—Controlling, regulating, or indicating speed
- G11B15/467—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven
- G11B15/4671—Controlling, regulating, or indicating speed in arrangements for recording or reproducing wherein both record carriers and heads are driven by controlling simultaneously the speed of the tape and the speed of the rotating head
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/02—Driving or moving of heads
- G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
- G11B21/103—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following on tapes
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019910002399A KR930001645B1 (ko) | 1991-02-13 | 1991-02-13 | 자동 트랙킹 방법 |
KR2399/1991 | 1991-02-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH04307453A JPH04307453A (ja) | 1992-10-29 |
JP2513955B2 true JP2513955B2 (ja) | 1996-07-10 |
Family
ID=19311083
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3327811A Expired - Fee Related JP2513955B2 (ja) | 1991-02-13 | 1991-12-11 | 自動トラッキング方法 |
Country Status (5)
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06338106A (ja) * | 1993-05-28 | 1994-12-06 | Canon Inc | トラッキング制御装置 |
AU2007217501B2 (en) | 2006-02-21 | 2011-09-08 | Polymer-Wood Technologies, Inc. | System, method and apparatus for producing fire rated doors |
WO2013055603A1 (en) | 2011-10-11 | 2013-04-18 | 820 Industrial Loop Partners Llc | Fire rated door core |
US20140000193A1 (en) | 2012-06-29 | 2014-01-02 | 820 Industrial Loop Partners Llc | Fire rated door core |
US9375899B2 (en) | 2012-06-29 | 2016-06-28 | The Intellectual Gorilla Gmbh | Gypsum composites used in fire resistant building components |
US8915033B2 (en) | 2012-06-29 | 2014-12-23 | Intellectual Gorilla B.V. | Gypsum composites used in fire resistant building components |
US9890083B2 (en) | 2013-03-05 | 2018-02-13 | The Intellectual Gorilla Gmbh | Extruded gypsum-based materials |
EP2989060A4 (en) | 2013-04-24 | 2017-01-04 | The Intellectual Gorilla GmbH | Expanded lightweight aggregate made from glass or pumice |
CN111003958A (zh) | 2013-04-24 | 2020-04-14 | 知识产权古里亚有限责任公司 | 挤出的轻质热绝缘水泥基材料 |
WO2015057978A2 (en) | 2013-10-17 | 2015-04-23 | Intellectual Gorilla B.V. | High temperature lightweight thermal insulating cement and silica based materials |
AU2015214356A1 (en) | 2014-02-04 | 2016-09-01 | Intellectual Gorilla Gmbh | Lightweight thermal insulating cement based materials |
US11072562B2 (en) | 2014-06-05 | 2021-07-27 | The Intellectual Gorilla Gmbh | Cement-based tile |
BR112016028409B1 (pt) | 2014-06-05 | 2022-09-20 | The Intellectual Gorilla Gmbh | Materiais à base de cimento extrusável e método para fabricar um material à base de cimento extrusável |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5512563A (en) * | 1978-07-14 | 1980-01-29 | Hitachi Ltd | Automatic tracking unit for magnetic recording and reproducing unit |
JPS581843A (ja) * | 1981-06-26 | 1983-01-07 | Hitachi Ltd | Vtrのオ−トトラッキング装置 |
JPH0664790B2 (ja) * | 1985-08-28 | 1994-08-22 | 株式会社日立製作所 | 磁気再生装置の自動トラッキング装置 |
US4933784A (en) * | 1988-10-31 | 1990-06-12 | Ampex Corporation | Automatic head position tracking system for video signals recorded in a segmented format |
-
1991
- 1991-02-13 KR KR1019910002399A patent/KR930001645B1/ko not_active Expired - Fee Related
- 1991-11-22 US US07/796,607 patent/US5311381A/en not_active Expired - Lifetime
- 1991-12-11 JP JP3327811A patent/JP2513955B2/ja not_active Expired - Fee Related
- 1991-12-27 DE DE4143090A patent/DE4143090A1/de active Granted
- 1991-12-31 GB GB9127517A patent/GB2252863B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB9127517D0 (en) | 1992-02-19 |
GB2252863A (en) | 1992-08-19 |
GB2252863B (en) | 1994-11-09 |
US5311381A (en) | 1994-05-10 |
DE4143090A1 (de) | 1992-08-27 |
JPH04307453A (ja) | 1992-10-29 |
KR920017032A (ko) | 1992-09-26 |
KR930001645B1 (ko) | 1993-03-08 |
DE4143090C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1993-02-04 |
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