KR900000661Y1 - 모터의 회전위치 검지장치 - Google Patents

모터의 회전위치 검지장치 Download PDF

Info

Publication number
KR900000661Y1
KR900000661Y1 KR2019860006488U KR860006488U KR900000661Y1 KR 900000661 Y1 KR900000661 Y1 KR 900000661Y1 KR 2019860006488 U KR2019860006488 U KR 2019860006488U KR 860006488 U KR860006488 U KR 860006488U KR 900000661 Y1 KR900000661 Y1 KR 900000661Y1
Authority
KR
South Korea
Prior art keywords
core
motor
bobbin
magnetic pole
coil
Prior art date
Application number
KR2019860006488U
Other languages
English (en)
Korean (ko)
Other versions
KR870005929U (ko
Inventor
아끼라 이찌하라
가쓰유끼 스가와라
Original Assignee
알프스덴기 가부시기 가이샤
가다오까 가쓰다로오
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 알프스덴기 가부시기 가이샤, 가다오까 가쓰다로오 filed Critical 알프스덴기 가부시기 가이샤
Publication of KR870005929U publication Critical patent/KR870005929U/ko
Application granted granted Critical
Publication of KR900000661Y1 publication Critical patent/KR900000661Y1/ko

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K29/00Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
    • H02K29/06Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
    • H02K29/12Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using detecting coils using the machine windings as detecting coil

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Brushless Motors (AREA)
  • Rotational Drive Of Disk (AREA)
KR2019860006488U 1985-09-24 1986-05-10 모터의 회전위치 검지장치 KR900000661Y1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP??146217 1985-09-24
JP1985146217U JPS6254579U (cs) 1985-09-24 1985-09-24

Publications (2)

Publication Number Publication Date
KR870005929U KR870005929U (ko) 1987-04-25
KR900000661Y1 true KR900000661Y1 (ko) 1990-01-30

Family

ID=31058482

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019860006488U KR900000661Y1 (ko) 1985-09-24 1986-05-10 모터의 회전위치 검지장치

Country Status (2)

Country Link
JP (1) JPS6254579U (cs)
KR (1) KR900000661Y1 (cs)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5812302Y2 (ja) * 1978-07-31 1983-03-09 東京鋼鉄工業株式会社 コインロツカ−の錠前
JPH0655026B2 (ja) * 1984-02-02 1994-07-20 キヤノン電子株式会社 ブラシレスモーターのインデックス信号検出機構

Also Published As

Publication number Publication date
KR870005929U (ko) 1987-04-25
JPS6254579U (cs) 1987-04-04

Similar Documents

Publication Publication Date Title
US4429263A (en) Low magnetic leakage flux brushless pulse controlled D-C motor
US5432644A (en) Disk drive unit having motor components in a compact arrangement
JP2664257B2 (ja) ディスク駆動スピンドル・モータ、このスピントル・モータとディスク駆動ハウジングとの組合せ、並びにディスク駆動ユニット
US7112956B2 (en) Method of generating an index signal with reduced parts
JPS62103577A (ja) 周波数発生器
JPH035023Y2 (cs)
JPS60162464A (ja) ブラシレスモ−タ−のインデツクス信号検出機構
US4782255A (en) Stepping motor and magnetic disc reproducing apparatus using the same
US5400191A (en) Electronic index pulse generating system for speed control in rotating disk data storage apparatus
KR900000661Y1 (ko) 모터의 회전위치 검지장치
US20010006331A1 (en) Method and apparatus for controlling a rotation speed of a direct-drive motor
US4570254A (en) Drive motor having moving rotor for compact disc player apparatus
EP0104030B1 (en) Tape driving capstan
US20010006332A1 (en) Method of generating an index signal
US6891293B2 (en) Flexible disk drive with a gap between a main frame and a permanent magnet of a rotor so that the rotor does not fall although the rotor is upended to a stator
US6429618B2 (en) Index signal generator
US6747831B2 (en) Floppy disk drive and frame structure therefor
US6765754B2 (en) Flexible disk drive comprising an index detection hall element having an improved detection sensitive condition of a magnetic field
JP2530118B2 (ja) 磁気記録再生装置
KR960009608Y1 (ko) 캠코더용 회전 헤드 드럼
JPS58159653A (ja) ブラシレスモ−タ
KR100222472B1 (ko) 임펄스발생 마그네트를 이용한 헤드드럼모터의 구동회로
JPS6139272A (ja) フロツピデイスクドライブのヘツド送り機構
KR0126447Y1 (ko) 브이.씨.알의 드럼모터 구동장치
KR100220516B1 (ko) 홀센서가 제거된 헤드드럼모터의 구동회로

Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
REGI Registration of establishment
LAPS Lapse due to unpaid annual fee