JPS58166300U - Step motor position detection circuit - Google Patents

Step motor position detection circuit

Info

Publication number
JPS58166300U
JPS58166300U JP6128182U JP6128182U JPS58166300U JP S58166300 U JPS58166300 U JP S58166300U JP 6128182 U JP6128182 U JP 6128182U JP 6128182 U JP6128182 U JP 6128182U JP S58166300 U JPS58166300 U JP S58166300U
Authority
JP
Japan
Prior art keywords
position detection
step motor
detection circuit
motor position
circuit
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.)
Pending
Application number
JP6128182U
Other languages
Japanese (ja)
Inventor
二上　洋
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP6128182U priority Critical patent/JPS58166300U/en
Publication of JPS58166300U publication Critical patent/JPS58166300U/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Stepping Motors (AREA)
  • Moving Of Head For Track Selection And Changing (AREA)
  • Control Of Position Or Direction (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図はＦＤＤのブロック図、第２図はタイミジグチャ
ート、第３図は回路図、第４図は実施例−のＦＤＤのブ
ロック図、第５図は同タイミングチャート、第６図は同
回路図である。 １・・・・・・ステップモータ、２・・・・・・タコジ
ェネ、３・・・・・・ヘッド、４・・・・・・アクチュ
エータ、５・・・・・・ブー、す、６・・・・・・ベル
ト、７・・−光検出器、２７・・開光。 検出器Ａ、２８・・・・・・光検出器Ｂ、３７・・・・
・・ゲート、３８・・・・・・ゲート、３９・・曲ゲー
ト。Fig. 1 is a block diagram of the FDD, Fig. 2 is a timing chart, Fig. 3 is a circuit diagram, Fig. 4 is a block diagram of the FDD according to the embodiment, Fig. 5 is the same timing chart, and Fig. 6 is the same. It is a circuit diagram. 1...Step motor, 2...Tachogenerator, 3...Head, 4...Actuator, 5...Boo, Su, 6... ...Belt, 7...-Photodetector, 27...Opening. Detector A, 28... Photodetector B, 37...
...Gate, 38...Gate, 39...Song gate.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ステップモータの零相信号と、２個の位置検出回路と、
ステップモータの方向信号とを組合わせ、前記２個の位
置検出回路でヒステリシス回路を形成し、位置検出の余
裕度を増したことを特徴とするステップモータの位置検
出回路。The zero-phase signal of the step motor, two position detection circuits,
A position detection circuit for a step motor, characterized in that the two position detection circuits form a hysteresis circuit in combination with a direction signal of the step motor, thereby increasing margin for position detection.
JP6128182U 1982-04-28 1982-04-28 Step motor position detection circuit Pending JPS58166300U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6128182U JPS58166300U (en) 1982-04-28 1982-04-28 Step motor position detection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6128182U JPS58166300U (en) 1982-04-28 1982-04-28 Step motor position detection circuit

Publications (1)

Publication Number Publication Date
JPS58166300U true JPS58166300U (en) 1983-11-05

Family

ID=30071487

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6128182U Pending JPS58166300U (en) 1982-04-28 1982-04-28 Step motor position detection circuit

Country Status (1)

Country Link
JP (1) JPS58166300U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6271018A (en) * 1985-09-24 1987-04-01 Toshiba Corp Positioning system of magnetic head

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6271018A (en) * 1985-09-24 1987-04-01 Toshiba Corp Positioning system of magnetic head

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