JPS58102377A - 磁気デイスクのセクタ−信号発生装置 - Google Patents

磁気デイスクのセクタ−信号発生装置

Info

Publication number
JPS58102377A
JPS58102377A JP56200109A JP20010981A JPS58102377A JP S58102377 A JPS58102377 A JP S58102377A JP 56200109 A JP56200109 A JP 56200109A JP 20010981 A JP20010981 A JP 20010981A JP S58102377 A JPS58102377 A JP S58102377A
Authority
JP
Japan
Prior art keywords
magnetic
power generation
winding
rotor
detector
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.)
Granted
Application number
JP56200109A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0158589B2 (enExample
Inventor
Koji Hagino
萩野 弘司
Kuniyoshi Nakamura
邦義 中村
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nidec Advanced Motor Corp
Original Assignee
Japan Servo Corp
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 Japan Servo Corp filed Critical Japan Servo Corp
Priority to JP56200109A priority Critical patent/JPS58102377A/ja
Publication of JPS58102377A publication Critical patent/JPS58102377A/ja
Publication of JPH0158589B2 publication Critical patent/JPH0158589B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/11Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00Record carriers by type
    • G11B2220/20Disc-shaped record carriers

Landscapes

  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
JP56200109A 1981-12-14 1981-12-14 磁気デイスクのセクタ−信号発生装置 Granted JPS58102377A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56200109A JPS58102377A (ja) 1981-12-14 1981-12-14 磁気デイスクのセクタ−信号発生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56200109A JPS58102377A (ja) 1981-12-14 1981-12-14 磁気デイスクのセクタ−信号発生装置

Publications (2)

Publication Number Publication Date
JPS58102377A true JPS58102377A (ja) 1983-06-17
JPH0158589B2 JPH0158589B2 (enExample) 1989-12-12

Family

ID=16418973

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56200109A Granted JPS58102377A (ja) 1981-12-14 1981-12-14 磁気デイスクのセクタ−信号発生装置

Country Status (1)

Country Link
JP (1) JPS58102377A (enExample)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS562191U (enExample) * 1979-06-19 1981-01-09
JPS5623821U (enExample) * 1979-07-26 1981-03-04
JPS5630475U (enExample) * 1979-08-14 1981-03-24

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS562191U (enExample) * 1979-06-19 1981-01-09
JPS5623821U (enExample) * 1979-07-26 1981-03-04
JPS5630475U (enExample) * 1979-08-14 1981-03-24

Also Published As

Publication number Publication date
JPH0158589B2 (enExample) 1989-12-12

Similar Documents

Publication Publication Date Title
US4746862A (en) Apparatus for detecting both rotational speed and reference rotational angle of a rotary member
CA1136240A (en) Magnetic rotary encoder for detection of absolute values of angular displacement
JP4352189B2 (ja) 磁気式エンコーダおよび磁気式エンコーダ付モータ
US3572106A (en) Means for measuring angular displacement of coaxially rotating elements
JP2000065596A5 (ja) 磁気式エンコーダおよび磁気式エンコーダ付モータ
JPH0350965B2 (enExample)
WO1985000430A1 (fr) Dispositif de detection de la vitesse d'un moteur electrique
JPS58102377A (ja) 磁気デイスクのセクタ−信号発生装置
US3848157A (en) Brushless dc-tachometer
JPS59147213A (ja) 磁気回転センサ
JPH0432970B2 (enExample)
JP2550085B2 (ja) 絶対位置検出装置
JPH0330089B2 (enExample)
JPH0352566B2 (enExample)
JPH0719897A (ja) 磁気エンコーダ
JPS6175214A (ja) 磁気検出回路
JPS62180216A (ja) 磁気エンコ−ダの原点検出装置
JP2546282B2 (ja) 磁気エンコ−ダ用磁気ヘッドの原点検出部
JPS626187B2 (enExample)
JPH0434315B2 (enExample)
JPS61182579A (ja) レゾルバ速度検出方式
JPS59180327A (ja) ロ−タリ−エンコ−ダ
JPH07139966A (ja) 磁気式エンコーダ
KR790001927B1 (ko) 자계 검출장치
JPH0619298Y2 (ja) 直流モ−タ装置