JPH02106720U - - Google Patents
Info
- Publication number
- JPH02106720U JPH02106720U JP1421089U JP1421089U JPH02106720U JP H02106720 U JPH02106720 U JP H02106720U JP 1421089 U JP1421089 U JP 1421089U JP 1421089 U JP1421089 U JP 1421089U JP H02106720 U JPH02106720 U JP H02106720U
- Authority
- JP
- Japan
- Prior art keywords
- input
- audio signal
- supplied
- switch
- terminal
- 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
Links
- 230000005236 sound signal Effects 0.000 claims 7
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Amplification And Gain Control (AREA)
- Amplifiers (AREA)
Description
第１図は本考案の一実施例を示す回路ブロツク
図、第２図は従来の音響増幅器を示す回路ブロツ
ク図である。
主な図番の説明、１，２，３，６……第１の入
力端子、４，７……セレクター、９……ボリユー
ム、１３……音場再生装置、１５……出力端子、
１６……第５入力端子（第２の入力端子）、１７
……第１スイツチ、１８……第２スイツチ。
FIG. 1 is a circuit block diagram showing an embodiment of the present invention, and FIG. 2 is a circuit block diagram showing a conventional acoustic amplifier. Explanation of main drawing numbers, 1, 2, 3, 6...first input terminal, 4,7...selector, 9...volume, 13...sound field reproduction device, 15...output terminal,
16...Fifth input terminal (second input terminal), 17
...First switch, 18...Second switch.
Claims (1)
において、複数の音響装置により得られるそれぞ
れの音響信号が供給される複数の第１の入力端子
と、該第１の入力端子に供給される音響信号の中
から入力する音響信号を選択するインプツトセレ
クターと、該インプツトセレクターにより選択さ
れた音響信号が供給される出力端子と、該出力端
子から導出される音響信号を入力する入力端子を
有する音響装置で得られた音響信号が供給される
第２の入力端子と、前記インプツトセレクターか
ら出力される音響信号、あるいは前記第２の入力
端子から供給される音響信号を選択する第１スイ
ツチと、ボリユームをバイパスする第２スイツチ
とを備え、前記第１スイツチにより前記第２の入
力端子から入力される音響信号が選択されたとき
前記第２スイツチによりボリユームをバイパスす
る様に成した音響増幅器。 In an acoustic amplifier whose volume can be adjusted by a volume, a plurality of first input terminals are supplied with respective acoustic signals obtained by a plurality of acoustic devices, and a plurality of acoustic signals are selected from among the acoustic signals supplied to the first input terminals. An audio device having an input selector for selecting an input audio signal, an output terminal to which the audio signal selected by the input selector is supplied, and an input terminal to input the audio signal derived from the output terminal. a second input terminal to which an audio signal is supplied; a first switch for selecting an audio signal output from the input selector or an audio signal supplied from the second input terminal; and a second switch configured to bypass the volume by the second switch when the first switch selects an audio signal input from the second input terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1421089U JP2544217Y2 (en) | 1989-02-09 | 1989-02-09 | Acoustic amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1421089U JP2544217Y2 (en) | 1989-02-09 | 1989-02-09 | Acoustic amplifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02106720U true JPH02106720U (en) | 1990-08-24 |
| JP2544217Y2 JP2544217Y2 (en) | 1997-08-13 |
Family
ID=31225207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1421089U Expired - Lifetime JP2544217Y2 (en) | 1989-02-09 | 1989-02-09 | Acoustic amplifier |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2544217Y2 (en) |
-
1989
- 1989-02-09 JP JP1421089U patent/JP2544217Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2544217Y2 (en) | 1997-08-13 |
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