JPH0425702U - - Google Patents
Info
- Publication number
- JPH0425702U JPH0425702U JP6766190U JP6766190U JPH0425702U JP H0425702 U JPH0425702 U JP H0425702U JP 6766190 U JP6766190 U JP 6766190U JP 6766190 U JP6766190 U JP 6766190U JP H0425702 U JPH0425702 U JP H0425702U
- Authority
- JP
- Japan
- Prior art keywords
- relay
- patient
- voice detection
- signal
- audio
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 5
- 230000005236 sound signal Effects 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000003321 amplification Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Landscapes
- Magnetic Resonance Imaging Apparatus (AREA)
Description
第１図は本考案の１実施例を示した構成ブロツ
ク図である。
１０は患者用マイク、１２は患者音声検出装置
、１４はタイミング回路、１６はバツフア、１８
は傾斜磁場発生装置、２０はリレー、２２は音声
増幅回路、２４は検査室用スピーカである。
FIG. 1 is a block diagram showing one embodiment of the present invention. 10 is a patient microphone, 12 is a patient voice detection device, 14 is a timing circuit, 16 is a buffer, 18
20 is a gradient magnetic field generator, 20 is a relay, 22 is an audio amplification circuit, and 24 is a speaker for the examination room.
Claims (1)
の音声信号がリレーと増幅器を介して検査室用ス
ピーカに伝達される第１の信号路と、同じ音声信
号を分岐して一定レベル以上の音声を検出する患
者音声検出回路、その音声検出出力と傾斜磁場発
生装置からのパルス状電流非検出出力との論理積
を構成するタイミング回路、及び前記リレーを駆
動させるリレー駆動回路が接続された第２の信号
路とからなる、ＭＲＩ装置用音声伝達装置。 A patient microphone placed in the gantry and a first signal path in which the audio signal is transmitted to the examination room speaker via a relay and amplifier, and the same audio signal is branched to detect audio above a certain level. a second signal connected to a patient voice detection circuit that performs a patient voice detection circuit, a timing circuit that configures an AND of the voice detection output thereof and a pulsed current non-detection output from the gradient magnetic field generator, and a relay drive circuit that drives the relay. An audio transmission device for an MRI device, consisting of a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6766190U JPH0425702U (en) | 1990-06-25 | 1990-06-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6766190U JPH0425702U (en) | 1990-06-25 | 1990-06-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0425702U true JPH0425702U (en) | 1992-02-28 |
Family
ID=31601429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6766190U Pending JPH0425702U (en) | 1990-06-25 | 1990-06-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0425702U (en) |
-
1990
- 1990-06-25 JP JP6766190U patent/JPH0425702U/ja active Pending
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