JPS5914409U - Automatic alarm volume adjustment device - Google Patents
Automatic alarm volume adjustment deviceInfo
- Publication number
- JPS5914409U JPS5914409U JP11009582U JP11009582U JPS5914409U JP S5914409 U JPS5914409 U JP S5914409U JP 11009582 U JP11009582 U JP 11009582U JP 11009582 U JP11009582 U JP 11009582U JP S5914409 U JPS5914409 U JP S5914409U
- Authority
- JP
- Japan
- Prior art keywords
- volume adjustment
- adjustment device
- automatic alarm
- circuit
- alarm volume
- 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
Landscapes
- Control Of Amplification And Gain Control (AREA)
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図は従来のアラーム信号とオーディオ信号とをミキ
シングするミキシング回路を示す回路図、第２図はこの
考案の警報音の自動音の自動音量調整装置の一実施例を
示す回路図、第３図はこの考案の警報音の自動音量調整
装置の他の実施例を示す回路図である。
１・・・オーディオ信号ライン、２・・・アラーム信号
ライン、３・・・ミュート出力端子、４・・・トランジ
スタ、５・・・高入力インピーダンス回路、Ｒ，Ｒａ。
Ｒｇ、 Ｒｓ・・・抵抗。FIG. 1 is a circuit diagram showing a conventional mixing circuit for mixing an alarm signal and an audio signal, FIG. 2 is a circuit diagram showing an embodiment of an automatic alarm volume adjustment device of this invention, and FIG. The figure is a circuit diagram showing another embodiment of the automatic alarm volume adjustment device of this invention. DESCRIPTION OF SYMBOLS 1... Audio signal line, 2... Alarm signal line, 3... Mute output terminal, 4... Transistor, 5... High input impedance circuit, R, Ra. Rg, Rs...Resistance.
Claims (1)
らせるアラーム音を伝達する第１の回路と、オーディオ
信号を伝達する第２の回路と、上記オーディオ信号のな
いミュート信号が出力されたときオンとなって上記アラ
ーム信号の一部をグランドにバイパスさせてアラーム音
のレベルを可変するスイッチング手段とよりなる警報音
の自動音量調整装置。A first circuit that transmits an alarm sound to notify that a device having a predetermined operating function is in an operating state, a second circuit that transmits an audio signal, and a circuit that is turned on when a mute signal without an audio signal is output. An automatic alarm volume adjustment device comprising switching means for bypassing a part of the alarm signal to ground to vary the level of the alarm sound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11009582U JPS5914409U (en) | 1982-07-19 | 1982-07-19 | Automatic alarm volume adjustment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11009582U JPS5914409U (en) | 1982-07-19 | 1982-07-19 | Automatic alarm volume adjustment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5914409U true JPS5914409U (en) | 1984-01-28 |
Family
ID=30256199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11009582U Pending JPS5914409U (en) | 1982-07-19 | 1982-07-19 | Automatic alarm volume adjustment device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5914409U (en) |
-
1982
- 1982-07-19 JP JP11009582U patent/JPS5914409U/en active Pending
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