JPS59134999U - portable public address system - Google Patents
portable public address systemInfo
- Publication number
- JPS59134999U JPS59134999U JP2931983U JP2931983U JPS59134999U JP S59134999 U JPS59134999 U JP S59134999U JP 2931983 U JP2931983 U JP 2931983U JP 2931983 U JP2931983 U JP 2931983U JP S59134999 U JPS59134999 U JP S59134999U
- Authority
- JP
- Japan
- Prior art keywords
- tape
- microphone
- public address
- address system
- circuit
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案による携帯用拡声装置の一実施例を示す
斜視図、第２図は第１図の装置に内蔵された回路例を示
す図、第３図は第２図に示した回路の一部を詳細に示す
図、第４図は本考案におけるテープ再生音減衰制御時の
時定数を説明するための特性図である＝
１２・・・・・・テープレコーダ、１４・・・・・・ス
ピーカ、１５・・・・・・マイクロホン、２１・・・・
・・マイクロホン増幅回路、２７・・・・・・ミクシン
グ回路、４０・・・・・・出力回路。Fig. 1 is a perspective view showing an embodiment of a portable loudspeaker device according to the present invention, Fig. 2 is a diagram showing an example of a circuit built into the device of Fig. 1, and Fig. 3 is a circuit shown in Fig. 2. 4 is a characteristic diagram for explaining the time constant during tape playback sound attenuation control in the present invention = 12...Tape recorder, 14... ...Speaker, 15...Microphone, 21...
...Microphone amplifier circuit, 27...Mixing circuit, 40...Output circuit.
Claims (1)
ン増幅回路と、前記マイクロホンによる入力音声信号を
テープに記録しかつテープに記録された内容を再生出力
するテープレコーダと、前記マイクロホン増幅回路の出
力信号および上記テープレコーダの再生信号をミクシン
グするミクシング回路と、このミクシング回路の出力信
号をスピーカから出力させる出力回路とを一体的に構成
したことを特徴とする携帯用拡声装置。A microphone amplification circuit that amplifies an input audio signal from a microphone, a tape recorder that records the input audio signal from the microphone on a tape and reproduces and outputs the content recorded on the tape, and an output signal of the microphone amplification circuit and the tape. A portable public address system characterized by integrally comprising a mixing circuit that mixes playback signals from a recorder and an output circuit that outputs the output signal of the mixing circuit from a speaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2931983U JPS59134999U (en) | 1983-03-01 | 1983-03-01 | portable public address system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2931983U JPS59134999U (en) | 1983-03-01 | 1983-03-01 | portable public address system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59134999U true JPS59134999U (en) | 1984-09-08 |
Family
ID=30160177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2931983U Pending JPS59134999U (en) | 1983-03-01 | 1983-03-01 | portable public address system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59134999U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02230545A (en) * | 1989-03-02 | 1990-09-12 | Clarion Co Ltd | Tape loading mechanism |
-
1983
- 1983-03-01 JP JP2931983U patent/JPS59134999U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02230545A (en) * | 1989-03-02 | 1990-09-12 | Clarion Co Ltd | Tape loading mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS59134999U (en) | portable public address system | |
| JPS5881600U (en) | headphone device | |
| JPS6077095U (en) | sound system | |
| JPH0310360U (en) | ||
| JPS59119681U (en) | sound reproduction device | |
| JPS6064404U (en) | Headphone amplifier | |
| JPS5911590U (en) | audio equipment | |
| JPS58148713U (en) | Video recording and playback device with microphone amplifier | |
| JPS5967049U (en) | sound system | |
| JPS60135824U (en) | Playback start circuit of tape player | |
| JPS59154986U (en) | Multi-channel playback device | |
| JPS59164945U (en) | tape recorder | |
| JPS5963810U (en) | audio signal mixing device | |
| JPS5945711U (en) | performance equipment | |
| JPS6031725U (en) | Recording device in tape recorder | |
| JPS59166590U (en) | sound reproduction device | |
| JPS5872791U (en) | voice guidance device | |
| JPS58125215U (en) | Audio signal reproducing device | |
| JPS59140521U (en) | In-vehicle audio equipment | |
| JPH0260959U (en) | ||
| JPS5920415U (en) | tape recorder | |
| JPS593686U (en) | Howling prevention device | |
| JPS5928812U (en) | tape recorder | |
| JPS58186620U (en) | playback device | |
| JPS58140593U (en) | Monitor circuit for audio or video tape recorders, etc. |