KR100227745B1 - 브이씨알 헤드 드럼모터의 주파수 제너레이터(fg)를 이용한 위치제어신호(pg)발생장치 - Google Patents
브이씨알 헤드 드럼모터의 주파수 제너레이터(fg)를 이용한 위치제어신호(pg)발생장치 Download PDFInfo
- Publication number
- KR100227745B1 KR100227745B1 KR1019960078457A KR19960078457A KR100227745B1 KR 100227745 B1 KR100227745 B1 KR 100227745B1 KR 1019960078457 A KR1019960078457 A KR 1019960078457A KR 19960078457 A KR19960078457 A KR 19960078457A KR 100227745 B1 KR100227745 B1 KR 100227745B1
- Authority
- KR
- South Korea
- Prior art keywords
- pole
- drum motor
- magnet
- rotating magnet
- head drum
- Prior art date
Links
- 238000001514 detection method Methods 0.000 claims abstract description 22
- 230000002159 abnormal effect Effects 0.000 claims abstract description 15
- 239000000758 substrate Substances 0.000 claims abstract description 8
- 230000005415 magnetization Effects 0.000 claims description 3
- 230000005389 magnetism Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000004907 flux Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
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- 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
- G11B5/488—Disposition of heads
- G11B5/4893—Disposition of heads relative to moving tape
Landscapes
- Brushless Motors (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
Description
Claims (1)
- 고정프린터기판(79)에 형성되어 FG를 발생하는 FG검출패턴(80)과, 로터(73)의 내부에 형성되어 다수의 N, S극이 교호로 착자되어 FG를 발생하는 회전마그네트(78)를 포함하는 브이씨알 헤드드럼모터에 있어서, 상기 회전마그네트(78)에 착자된 임의의 S극에 소정크기를 갖는 반대극인 N극의 제1 이상착자 마그네트(61)를 형성하고, 상기 회전마그네트(78)의 임의의 S극에 이웃한 N극에 소정크기를 갖는 반대극인 S극의 제 2 이상착자 마그네트(62)를 형성하고, 상기 고정프린터기판(79)과 회전마그네트(78)에 의해 주파수제너레이터가 발생될 때 상기 제1, 제 2 이상착자 마그네트(61)(62)에 의해 발생되는 이상펄스를 위치제어신호로 사용한 것을 특징으로 하는 브이씨알 헤드 드럼모터의 주파수제너레이터(FG)를 이용한 위치제어신호(PG)발생장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960078457A KR100227745B1 (ko) | 1996-12-31 | 1996-12-31 | 브이씨알 헤드 드럼모터의 주파수 제너레이터(fg)를 이용한 위치제어신호(pg)발생장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960078457A KR100227745B1 (ko) | 1996-12-31 | 1996-12-31 | 브이씨알 헤드 드럼모터의 주파수 제너레이터(fg)를 이용한 위치제어신호(pg)발생장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19980059120A KR19980059120A (ko) | 1998-10-07 |
KR100227745B1 true KR100227745B1 (ko) | 1999-11-01 |
Family
ID=19492877
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960078457A KR100227745B1 (ko) | 1996-12-31 | 1996-12-31 | 브이씨알 헤드 드럼모터의 주파수 제너레이터(fg)를 이용한 위치제어신호(pg)발생장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100227745B1 (ko) |
-
1996
- 1996-12-31 KR KR1019960078457A patent/KR100227745B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR19980059120A (ko) | 1998-10-07 |
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