JPH02114014U - - Google Patents

Info

Publication number
JPH02114014U
JPH02114014U JP2284189U JP2284189U JPH02114014U JP H02114014 U JPH02114014 U JP H02114014U JP 2284189 U JP2284189 U JP 2284189U JP 2284189 U JP2284189 U JP 2284189U JP H02114014 U JPH02114014 U JP H02114014U
Authority
JP
Japan
Prior art keywords
signal
gain
electrocardiographic
amplification means
automatic gain
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
JP2284189U
Other languages
English (en)
Other versions
JPH0647446Y2 (ja
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 JP2284189U priority Critical patent/JPH0647446Y2/ja
Publication of JPH02114014U publication Critical patent/JPH02114014U/ja
Application granted granted Critical
Publication of JPH0647446Y2 publication Critical patent/JPH0647446Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Magnetic Resonance Imaging Apparatus (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例のブロツク図、第2
図は従来の装置のブロツク図、第3図は心電信号
によるトリガレベル設定の説明図、第4図はAG
Cの動作とトリガレベル設定との関係を示す図、
第5図は実施例の装置の動作のタイムチヤートで
ある。 1……マグネツトアセンブリ、2……被検体、
3……プリアンプ、4……フイルタ、5……トリ
ガ発生回路、6……システムコンピユータ、7…
…スキヤンルーム、8……AGCアンプ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 心電信号を採取して心電信号に同期するトリガ
    を発生させるMRIの心電信号同期装置において
    、心電信号をトリガ検出の最適レベルにまで増幅
    しスキヤン開始制御信号による増幅の利得を一定
    値に固定することのできる自動利得制御増幅手段
    と、該自動利得制御増幅手段の利得を固定する信
    号をスキヤン中に発生する利得固定信号発生手段
    を具備することを特徴とするMRIの心電信号同
    期装置。
JP2284189U 1989-02-28 1989-02-28 Mriの心電信号同期装置 Expired - Lifetime JPH0647446Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2284189U JPH0647446Y2 (ja) 1989-02-28 1989-02-28 Mriの心電信号同期装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2284189U JPH0647446Y2 (ja) 1989-02-28 1989-02-28 Mriの心電信号同期装置

Publications (2)

Publication Number Publication Date
JPH02114014U true JPH02114014U (ja) 1990-09-12
JPH0647446Y2 JPH0647446Y2 (ja) 1994-12-07

Family

ID=31241314

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2284189U Expired - Lifetime JPH0647446Y2 (ja) 1989-02-28 1989-02-28 Mriの心電信号同期装置

Country Status (1)

Country Link
JP (1) JPH0647446Y2 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002360533A (ja) * 2001-05-31 2002-12-17 Ge Medical Systems Global Technology Co Llc 利得制御装置および磁気共鳴撮像装置
JP2012236070A (ja) * 2012-08-09 2012-12-06 Ge Medical Systems Global Technology Co Llc 脈拍検出装置および磁気共鳴撮像装置
JP2014028321A (ja) * 2013-11-14 2014-02-13 Ge Medical Systems Global Technology Co Llc 脈拍検出装置および磁気共鳴撮像装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002360533A (ja) * 2001-05-31 2002-12-17 Ge Medical Systems Global Technology Co Llc 利得制御装置および磁気共鳴撮像装置
JP2012236070A (ja) * 2012-08-09 2012-12-06 Ge Medical Systems Global Technology Co Llc 脈拍検出装置および磁気共鳴撮像装置
JP2014028321A (ja) * 2013-11-14 2014-02-13 Ge Medical Systems Global Technology Co Llc 脈拍検出装置および磁気共鳴撮像装置

Also Published As

Publication number Publication date
JPH0647446Y2 (ja) 1994-12-07

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