JPH01180603U - - Google Patents

Info

Publication number
JPH01180603U
JPH01180603U JP7207188U JP7207188U JPH01180603U JP H01180603 U JPH01180603 U JP H01180603U JP 7207188 U JP7207188 U JP 7207188U JP 7207188 U JP7207188 U JP 7207188U JP H01180603 U JPH01180603 U JP H01180603U
Authority
JP
Japan
Prior art keywords
circuit
pickup
magnetoresistive element
position detection
diagram
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
JP7207188U
Other languages
English (en)
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 filed Critical
Priority to JP7207188U priority Critical patent/JPH01180603U/ja
Publication of JPH01180603U publication Critical patent/JPH01180603U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Moving Of Head For Track Selection And Changing (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例になる波形整形回路
の回路図、第2図A及びBはマグネツト及びMR
素子の出力波形図、第3はマグネツトとMR素子
の配置関係図、第4図はMR素子の電気的等価回
路図、第5図は第1図の回路の各部の波形図、第
6図は第1図の回路が適用されたピツクアツプ位
置検出回路のブロツク図、第7図は従来の波形整
形回路の回路図を夫々示す。 3……ピツクアツプ、4……リニアモータ、5
……磁気抵抗素子、6……マグネツト、7……波
形整形回路、8……マイクロコンピユータ、10
……増幅回路、11……コンパレータ、12……
位相シフト回路、ワンシヨツトマルチ。

Claims (1)

    【実用新案登録請求の範囲】
  1. ピツクアツプの位置を磁気抵抗素子によつて検
    出するCD―ROMピツクアツプ位置検出回路に
    おいて、該磁気抵抗素子の出力信号が供給される
    増幅回路及びコンパレータ回路を一つのICにて
    構成してなるCD―ROMピツクアツプ位置検出
    回路。
JP7207188U 1988-05-31 1988-05-31 Pending JPH01180603U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7207188U JPH01180603U (ja) 1988-05-31 1988-05-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7207188U JPH01180603U (ja) 1988-05-31 1988-05-31

Publications (1)

Publication Number Publication Date
JPH01180603U true JPH01180603U (ja) 1989-12-26

Family

ID=31297249

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7207188U Pending JPH01180603U (ja) 1988-05-31 1988-05-31

Country Status (1)

Country Link
JP (1) JPH01180603U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56143910A (en) * 1980-04-10 1981-11-10 Sharp Corp Signal processing method of magnetic scale

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56143910A (en) * 1980-04-10 1981-11-10 Sharp Corp Signal processing method of magnetic scale

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