JPS61202918U - - Google Patents
Info
- Publication number
- JPS61202918U JPS61202918U JP8717485U JP8717485U JPS61202918U JP S61202918 U JPS61202918 U JP S61202918U JP 8717485 U JP8717485 U JP 8717485U JP 8717485 U JP8717485 U JP 8717485U JP S61202918 U JPS61202918 U JP S61202918U
- Authority
- JP
- Japan
- Prior art keywords
- attenuation
- memory
- amount
- volume
- data
- 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
- 230000015654 memory Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Emergency Alarm Devices (AREA)
- Control Of Amplification And Gain Control (AREA)
Description
第1図はこの考案の大音量響告装置の一実施例
の回路図、第2図は従来の大音量警告装置の回路
図である。
101……メモリA、102……メモリB、1
03……マイクロプロセツサ、104……ボリユ
ームアツプキー、105……ボリユームダウンキ
ー、106……ストアキー、107……デコーダ
、108,109……ドライバ、110……時定
数回路、111……タイミング回路、112……
入力端子、113……ボリユーム、114……ア
ンプ、116……スイツチ、117……スピーカ
、118……アラーム回路、119……電源スイ
ツチ。
FIG. 1 is a circuit diagram of an embodiment of the loud sound warning device of this invention, and FIG. 2 is a circuit diagram of a conventional loud sound warning device. 101...Memory A, 102...Memory B, 1
03... Microprocessor, 104... Volume up key, 105... Volume down key, 106... Store key, 107... Decoder, 108, 109... Driver, 110... Time constant circuit, 111... Timing Circuit, 112...
Input terminal, 113...Volume, 114...Amplifier, 116...Switch, 117...Speaker, 118...Alarm circuit, 119...Power switch.
Claims (1)
、かつ音量調節手段の減衰量を示すデータを格納
する第1のメモリと、あらかじめ設定するか、あ
るいは外部から設定できる減衰量を示すデータを
格納する第2のメモリと、起動および停止のでき
るアラーム回路と、上記音響装置の電源切断時に
上記第1および第2のメモリのデータを比較して
第1のメモリのデータによる音量減衰量が設定さ
れた減衰量よりも小さいとき上記アラーム回路を
起動して、アラーム音を発生させる論理回路また
はマイクロコンピユータとよりなる大音量警告装
置。 a first memory capable of retaining data even when the power of the audio device is turned off and storing data indicating the amount of attenuation of the volume control means; and a first memory storing data indicating the amount of attenuation that can be set in advance or externally. a second memory, an alarm circuit that can be started and stopped; and when the audio device is powered off, data in the first and second memories are compared to set a volume attenuation amount based on the data in the first memory; A loud volume warning device comprising a logic circuit or a microcomputer that activates the alarm circuit to generate an alarm sound when the attenuation is smaller than the attenuation amount.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8717485U JPS61202918U (en) | 1985-06-10 | 1985-06-10 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8717485U JPS61202918U (en) | 1985-06-10 | 1985-06-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61202918U true JPS61202918U (en) | 1986-12-20 |
Family
ID=30639153
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8717485U Pending JPS61202918U (en) | 1985-06-10 | 1985-06-10 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61202918U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005184474A (en) * | 2003-12-19 | 2005-07-07 | Matsushita Electric Ind Co Ltd | Voice output level setting method and apparatus |
-
1985
- 1985-06-10 JP JP8717485U patent/JPS61202918U/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005184474A (en) * | 2003-12-19 | 2005-07-07 | Matsushita Electric Ind Co Ltd | Voice output level setting method and apparatus |
JP4626145B2 (en) * | 2003-12-19 | 2011-02-02 | パナソニック株式会社 | Audio output level setting method and apparatus |
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