JPH01172811U - - Google Patents

Info

Publication number
JPH01172811U
JPH01172811U JP1988070694U JP7069488U JPH01172811U JP H01172811 U JPH01172811 U JP H01172811U JP 1988070694 U JP1988070694 U JP 1988070694U JP 7069488 U JP7069488 U JP 7069488U JP H01172811 U JPH01172811 U JP H01172811U
Authority
JP
Japan
Prior art keywords
patient
microphone
mouth
microphone placed
differential amplifier
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
JP1988070694U
Other languages
Japanese (ja)
Other versions
JPH0538726Y2 (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 JP1988070694U priority Critical patent/JPH0538726Y2/ja
Publication of JPH01172811U publication Critical patent/JPH01172811U/ja
Application granted granted Critical
Publication of JPH0538726Y2 publication Critical patent/JPH0538726Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Magnetic Resonance Imaging Apparatus (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)

Description

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

第１図は本考案の１実施例を示した要部回路図
、第２図は本考案による差動アンプの動作説明図
、第３図は従来例の要部回路図である。 １０はガントリー、１０ａはそのトンネル部、
１２は患者、１４と２４はマイク、１４ａと２４
ａはケーブル、１６はフイルター、２２はスピー
カー、２６は差動アンプである。 FIG. 1 is a circuit diagram of a main part showing an embodiment of the present invention, FIG. 2 is an explanatory diagram of the operation of a differential amplifier according to the present invention, and FIG. 3 is a circuit diagram of a main part of a conventional example. 10 is the gantry, 10a is the tunnel part,
12 is a patient, 14 and 24 are microphones, 14a and 24
a is a cable, 16 is a filter, 22 is a speaker, and 26 is a differential amplifier.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ガントリー内の患者の口元近くに配置された第
１のマイクと、その口元より離れた位置に配置さ
れた第２のマイクと、各マイクの接続ケーブルに
より伝送される信号を入力してその両者の差を音
声信号として検出する差動アンプとを具備してい
ることを特徴とする、核磁気共鳴断層撮像装置用
患者音声モニター装置。 A first microphone placed near the patient's mouth in the gantry, a second microphone placed further away from the patient's mouth, and signals transmitted by the connection cables of each microphone are input and both are connected. 1. A patient voice monitoring device for a nuclear magnetic resonance tomography imaging device, comprising a differential amplifier that detects a difference as a voice signal.
JP1988070694U 1988-05-27 1988-05-27 Expired - Lifetime JPH0538726Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988070694U JPH0538726Y2 (en) 1988-05-27 1988-05-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988070694U JPH0538726Y2 (en) 1988-05-27 1988-05-27

Publications (2)

Publication Number Publication Date
JPH01172811U true JPH01172811U (en) 1989-12-07
JPH0538726Y2 JPH0538726Y2 (en) 1993-09-30

Family

ID=31295923

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988070694U Expired - Lifetime JPH0538726Y2 (en) 1988-05-27 1988-05-27

Country Status (1)

Country Link
JP (1) JPH0538726Y2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002102203A (en) * 2000-09-27 2002-04-09 Ge Medical Systems Global Technology Co Llc Magnetic resonance video system
JP4638016B2 (en) * 2000-11-06 2011-02-23 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー Magnetic field forming apparatus and magnetic resonance imaging system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5394918A (en) * 1977-01-28 1978-08-19 Masahisa Ikegami Combtned mtcrophone
JPS6274810U (en) * 1985-10-31 1987-05-13

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5394918A (en) * 1977-01-28 1978-08-19 Masahisa Ikegami Combtned mtcrophone
JPS6274810U (en) * 1985-10-31 1987-05-13

Also Published As

Publication number Publication date
JPH0538726Y2 (en) 1993-09-30

Similar Documents

Publication Publication Date Title
JPH01172811U (en)
JPS61166696U (en)
JPS60149605U (en) heart rate monitor
JPS6388304U (en)
JPH0369996U (en)
JPH024149U (en)
JPS6385988U (en)
JPS5830406U (en) Muscle activity monitor for exercisers
JPS63117189U (en)
JPS61136704U (en)
JPH026003U (en)
JPS59104687U (en) headphone
JPS60168805U (en) Probe for impedance audiometer
JPS59152899U (en) stereo hearing aid
JPS5816947U (en) Audio input/output box
JPS5816948U (en) Transmitter/receiver microphone and speaker support device
JPH0440300U (en)
JPH026000U (en)
JPH0425702U (en)
JPH0336295U (en)
JPH0332893U (en)
JPS6142164U (en) Pre-talk intercom device
JPH0221847U (en)
JPS60132058U (en) airplane passenger receiver
JPH0255797U (en)