JPH0382957U - - Google Patents
Info
- Publication number
- JPH0382957U JPH0382957U JP14155889U JP14155889U JPH0382957U JP H0382957 U JPH0382957 U JP H0382957U JP 14155889 U JP14155889 U JP 14155889U JP 14155889 U JP14155889 U JP 14155889U JP H0382957 U JPH0382957 U JP H0382957U
- Authority
- JP
- Japan
- Prior art keywords
- call
- voice signal
- time
- telephone line
- notification device
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 230000005236 sound signal Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Alarm Systems (AREA)
Description
第１図は本考案が適用される自動通報装置の通
報経路を説明するための図、第２図は本考案によ
る自動通報装置の一例をブロツク図で示す。
図中、１……自動通報装置、２……制御回路、
３……発報回路、４……音声検出部。
FIG. 1 is a diagram for explaining the reporting route of an automatic reporting device to which the present invention is applied, and FIG. 2 is a block diagram showing an example of the automatic reporting device according to the present invention. In the figure, 1... automatic notification device, 2... control circuit,
3... Alarm circuit, 4... Audio detection section.
Claims (1)
じてあらかじめ定められた相手加入者を呼び出し
て通話できるようにした自動通報装置において、
前記自動通報装置に接続された電話機による通話
開始後、所定時間経過すると電話回線における音
声信号の有無を検出する手段と、該音声信号検出
手段による検出開始後一定時間音声信号の無い状
態が続いた時予告音等で終話を知らせ、音声信号
が検出された場合には通話時間の延長制御動作を
行う手段とを備えたことを特徴とする自動通報装
置。 An automatic reporting device that is connected to a telephone line and is capable of calling a predetermined subscriber for a conversation in an emergency or as needed.
A means for detecting the presence or absence of a voice signal on the telephone line after a predetermined period of time has elapsed after the start of a call using a telephone connected to the automatic notification device, and a state in which there is no voice signal for a certain period of time after the start of detection by the voice signal detection means. An automatic notification device characterized by comprising means for notifying the end of a call with a warning sound or the like, and controlling an extension of the call time when an audio signal is detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14155889U JPH0382957U (en) | 1989-12-08 | 1989-12-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14155889U JPH0382957U (en) | 1989-12-08 | 1989-12-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0382957U true JPH0382957U (en) | 1991-08-23 |
Family
ID=31688442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14155889U Pending JPH0382957U (en) | 1989-12-08 | 1989-12-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0382957U (en) |
-
1989
- 1989-12-08 JP JP14155889U patent/JPH0382957U/ja active Pending
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