JPH0193856U - - Google Patents
Info
- Publication number
- JPH0193856U JPH0193856U JP11867487U JP11867487U JPH0193856U JP H0193856 U JPH0193856 U JP H0193856U JP 11867487 U JP11867487 U JP 11867487U JP 11867487 U JP11867487 U JP 11867487U JP H0193856 U JPH0193856 U JP H0193856U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- alarm
- telephone
- subscriber line
- detection circuit
- 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
- 238000010586 diagram Methods 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
Description
第１図は、本考案による電話器の一実施例を示
すブロツク図である。
１０１，１０２……操作器、２０１，２０２…
…信号発生回路、３……警報信号、４０１，４０
２……信号検出回路、５０１，５０２……警報器
、６０１，６０２……通話回路、７０１，７０２
……ダイアル回路、８０１，８０２……フツクス
イツチ、９０１，９０２……ベル回路、１００１
，１００２……電話器、１１０１，１１０２……
加入者回線、１２……電話交換装置。
FIG. 1 is a block diagram showing an embodiment of a telephone according to the present invention. 101, 102... operating device, 201, 202...
...Signal generation circuit, 3...Alarm signal, 401, 40
2... Signal detection circuit, 501, 502... Alarm device, 601, 602... Call circuit, 701, 702
...Dial circuit, 801, 802 ... Hook switch, 901, 902 ... Bell circuit, 1001
,1002...Telephone, 1101,1102...
Subscriber line, 12...telephone switching equipment.
Claims (1)
作器と、該操作器により接続されて警報信号を加
入者回線に向け出力する信号発生回路と、加入者
回線から入力される警報信号を検出する信号検出
回路と、該信号検出回路により駆動されて警報音
を発生する警報器とを有することを特徴とする電
話器。 A telephone connected to a telephone exchange equipment includes an operating device, a signal generating circuit connected by the operating device and outputting an alarm signal to a subscriber line, and a signal detecting an alarm signal input from the subscriber line. A telephone set comprising: a detection circuit; and an alarm device that is driven by the signal detection circuit to generate an alarm sound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11867487U JPH0193856U (en) | 1987-07-31 | 1987-07-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11867487U JPH0193856U (en) | 1987-07-31 | 1987-07-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0193856U true JPH0193856U (en) | 1989-06-20 |
Family
ID=31363221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11867487U Pending JPH0193856U (en) | 1987-07-31 | 1987-07-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0193856U (en) |
-
1987
- 1987-07-31 JP JP11867487U patent/JPH0193856U/ja active Pending
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