JPS61185796A - Alarm sound controller - Google Patents
Alarm sound controllerInfo
- Publication number
- JPS61185796A JPS61185796A JP2600885A JP2600885A JPS61185796A JP S61185796 A JPS61185796 A JP S61185796A JP 2600885 A JP2600885 A JP 2600885A JP 2600885 A JP2600885 A JP 2600885A JP S61185796 A JPS61185796 A JP S61185796A
- Authority
- JP
- Japan
- Prior art keywords
- alarm sound
- alarm
- volume
- sound controller
- noise
- 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
- Electromechanical Clocks (AREA)
- 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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明はアラーム時計、タイマ等におけるアラーム音制
御装置に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an alarm sound control device for an alarm clock, timer, etc.
［従来の技術１
従来のアラーム時計やタイマでは、設定された一定の音
量でしかアラーム音が鳴らない。[Prior art 1] Conventional alarm clocks and timers only emit an alarm sound at a preset volume.
［発明が解決しようとする問題点］
アラーム音の音量が一定のため、周囲が静かな場合には
アラーム音が聞こえるが、騒がしい所ではアラーム音が
聞こえないことがある。[Problems to be Solved by the Invention] Since the volume of the alarm sound is constant, the alarm sound can be heard when the surroundings are quiet, but the alarm sound may not be heard in a noisy place.
特に、目覚めのため以外の用途で使用する場合、例えば
、テレビやラジオをつけたまま特定の時刻または一定の
時間を知らせるような場合には、騒音によってアラーム
音が聞こえないことが往々にしてあった。Especially when the alarm is used for purposes other than waking up, for example when the TV or radio is left on to alert you to a specific time or a fixed amount of time, the noise often prevents you from hearing the alarm. Ta.
本発明は、周囲の騒音に応じた音量のアラーム音を発生
するようにしたものである。The present invention is designed to generate an alarm sound with a volume corresponding to surrounding noise.
［実施例］
図面において、１は騒音検出回路、２はＡ／Ｄ変換回路
、３はアラーム信号発生回路、４は制御回路で、アラー
ム信号をそれぞれ異なった抵抗５８〜５ｄのいずれかを
介して発音装置土に供給するものである。[Example] In the drawings, 1 is a noise detection circuit, 2 is an A/D conversion circuit, 3 is an alarm signal generation circuit, and 4 is a control circuit, each of which receives an alarm signal through one of different resistors 58 to 5d. This is what supplies the sound-producing device.
以上の構成において、Ａ／Ｄ変換回路２からは騒音に応
じた出力が発生している。そこでアラーム時刻のアラー
ム出力またはタイマのタイムアツプ出力が端子ＡＬに供
給されると、△／Ｄ変換回路２で選択された抵抗を介し
てアラーム信号が発音装置、Ｑ−に供給され、周囲の騒
音に応じた音量のアラーム音が発生する。In the above configuration, the A/D conversion circuit 2 generates an output depending on the noise. Therefore, when the alarm output of the alarm time or the time-up output of the timer is supplied to the terminal AL, an alarm signal is supplied to the sounding device, Q-, through the resistor selected by the Δ/D conversion circuit 2, and the surrounding noise is An alarm sound will be generated at the appropriate volume.
すなわち、周囲が騒がしければ大音量となり、静かであ
れば小音量となる。That is, if the surroundings are noisy, the volume will be loud, and if the surroundings are quiet, the volume will be low.
なお騒音検出回路は一定時間ごとに騒音を検出するよう
にしてもよい。Note that the noise detection circuit may detect noise at regular intervals.
［効果］
本発明によれば、周囲の騒音に応じてアラーム音の音量
を制御するようにしたので、騒音の中でもアラーム機能
を果たすことができ、静かなときには必要以上のアラー
ム音を発生させないので無駄な消費電流を抑えることが
できる。[Effects] According to the present invention, the volume of the alarm sound is controlled according to the surrounding noise, so the alarm function can be performed even in noisy conditions, and when it is quiet, no more alarm sound than necessary is generated. It is possible to suppress unnecessary current consumption.
図面は本発明の一実施例を示した電気回路図である。
１・・・・・・騒音検出回路、４・・・・・・制御回路
、５ａ〜５ｄ・・・・・・抵抗、６・・・・・・発音装
置以 上The drawing is an electrical circuit diagram showing an embodiment of the present invention. 1... Noise detection circuit, 4... Control circuit, 5a to 5d... Resistor, 6... Sound generating device.
Claims (1)
によってアラーム音の音量を制御する制御手段とからな
るアラーム音制御装置。An alarm sound control device comprising a detection means for detecting ambient noise and a control means for controlling the volume of an alarm sound based on the output of the detection means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2600885A JPS61185796A (en) | 1985-02-13 | 1985-02-13 | Alarm sound controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2600885A JPS61185796A (en) | 1985-02-13 | 1985-02-13 | Alarm sound controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61185796A true JPS61185796A (en) | 1986-08-19 |
Family
ID=12181666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2600885A Pending JPS61185796A (en) | 1985-02-13 | 1985-02-13 | Alarm sound controller |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61185796A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5430072A (en) * | 1977-08-10 | 1979-03-06 | Seiko Epson Corp | Electronic watch |
-
1985
- 1985-02-13 JP JP2600885A patent/JPS61185796A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5430072A (en) * | 1977-08-10 | 1979-03-06 | Seiko Epson Corp | Electronic watch |
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