JPH039525U - - Google Patents

Info

Publication number
JPH039525U
JPH039525U JP1989067460U JP6746089U JPH039525U JP H039525 U JPH039525 U JP H039525U JP 1989067460 U JP1989067460 U JP 1989067460U JP 6746089 U JP6746089 U JP 6746089U JP H039525 U JPH039525 U JP H039525U
Authority
JP
Japan
Prior art keywords
frequency
circuit
filters
filter
power
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
JP1989067460U
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 JP1989067460U priority Critical patent/JPH039525U/ja
Publication of JPH039525U publication Critical patent/JPH039525U/ja
Pending legal-status Critical Current

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  • Filters And Equalizers (AREA)

Description

【図面の簡単な説明】
添付図面はこの考案の一実施例を示す回路構成
図である。 3は周波数検出回路、4は制御回路、6はハム
フイルタ、6aは50Hzノツチフイルタ、6bは
60Hzノツチフイルタ、7はスイツチ回路である

Claims (1)

  1. 【実用新案登録請求の範囲】 50Hz又は60Hzの電源周波数を検出する周波
    数検出回路と、 上記50Hz又は60Hzの電源周波数に対応した
    切換信号を発生する制御回路と、 生体信号が供給され、上記50Hz又は60Hzに
    夫々対応した複数のフイルタを有するフイルタ回
    路と を備え、上記切換信号により上記50Hz又は60
    Hzの電源周波数に応じて上記複数のフイルタを切
    換えるようにしたことを特徴とするハムフイルタ
    の周波数認識回路。
JP1989067460U 1989-06-09 1989-06-09 Pending JPH039525U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989067460U JPH039525U (ja) 1989-06-09 1989-06-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989067460U JPH039525U (ja) 1989-06-09 1989-06-09

Publications (1)

Publication Number Publication Date
JPH039525U true JPH039525U (ja) 1991-01-29

Family

ID=31601051

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989067460U Pending JPH039525U (ja) 1989-06-09 1989-06-09

Country Status (1)

Country Link
JP (1) JPH039525U (ja)

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