JPH0358096U - - Google Patents
Info
- Publication number
- JPH0358096U JPH0358096U JP12001989U JP12001989U JPH0358096U JP H0358096 U JPH0358096 U JP H0358096U JP 12001989 U JP12001989 U JP 12001989U JP 12001989 U JP12001989 U JP 12001989U JP H0358096 U JPH0358096 U JP H0358096U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- microphone
- signal
- headphone
- output
- 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
- 230000003321 amplification Effects 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 238000005192 partition Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Details Of Audible-Bandwidth Transducers (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Description
第１図は本考案音声混合装置を示すブロツク
図、第２図は本考案防音シエルターを示す断面
図。
図において、１……音声混合装置、１−１……
ヘツドホン用コード、１−２……マイク信号増幅
回路、１−３……音声混合回路、１−３−１……
ヘツドホン信号減衰回路、１−３−２……マイク
信号減衰回路、１−３−３……重畳回路、１−４
……ヘツドホン出力用増幅回路、２……録音装置
、２−１……ヘツドホン出力用端子、３……マイ
クロホン、４……ヘツドホン、５−１……開口部
、５−２……防音層、５−３……マイクロホン収
納空間、５−４……マイクロホン、５−５……マ
イクロホンコード、５−６……マイクロホン固定
部、５−７……隔室、５−８……隔壁、５−９…
…スリツト をそれぞれ示す。
FIG. 1 is a block diagram showing the audio mixing device of the present invention, and FIG. 2 is a sectional view showing the soundproof shelter of the present invention. In the figure, 1... audio mixing device, 1-1...
Headphone cord, 1-2...Microphone signal amplification circuit, 1-3...Audio mixing circuit, 1-3-1...
Headphone signal attenuation circuit, 1-3-2...Microphone signal attenuation circuit, 1-3-3...Superimposition circuit, 1-4
... headphone output amplifier circuit, 2 ... recording device, 2-1 ... headphone output terminal, 3 ... microphone, 4 ... headphone, 5-1 ... opening, 5-2 ... soundproof layer, 5-3... Microphone storage space, 5-4... Microphone, 5-5... Microphone cord, 5-6... Microphone fixing part, 5-7... Partition, 5-8... Partition wall, 5- 9...
...The slits are shown respectively.
Claims (1)
イク信号増幅回路１−２と、当回路の出力信号と
外部と録音装置のヘツドホン出力用端子からの信
号とを混合する音声混合回路１−３と当回路の出
力をヘツドホン用に増幅するヘツドホン出力用増
幅回路１−４を一つの独立した装置にまとめたこ
とを特徴とする音声混合装置。 マイクロホンを被う防音層５−２の一部に開
口部５−１を有する構造の可搬型防音シエルター
。[Claims for Utility Model Registration] A microphone signal amplification circuit 1-2 that amplifies a signal from an external microphone, and an audio mixer that mixes the output signal of this circuit with a signal from the outside and a headphone output terminal of a recording device. An audio mixing device characterized in that a circuit 1-3 and a headphone output amplification circuit 1-4 for amplifying the output of this circuit for headphone use are combined into one independent device. A portable soundproof shelter having a structure in which a part of a soundproof layer 5-2 covering a microphone has an opening 5-1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12001989U JPH0358096U (en) | 1989-10-12 | 1989-10-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12001989U JPH0358096U (en) | 1989-10-12 | 1989-10-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0358096U true JPH0358096U (en) | 1991-06-05 |
Family
ID=31668111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12001989U Pending JPH0358096U (en) | 1989-10-12 | 1989-10-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0358096U (en) |
-
1989
- 1989-10-12 JP JP12001989U patent/JPH0358096U/ja active Pending
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