JPH01142257U - - Google Patents
Info
- Publication number
- JPH01142257U JPH01142257U JP3758388U JP3758388U JPH01142257U JP H01142257 U JPH01142257 U JP H01142257U JP 3758388 U JP3758388 U JP 3758388U JP 3758388 U JP3758388 U JP 3758388U JP H01142257 U JPH01142257 U JP H01142257U
- Authority
- JP
- Japan
- Prior art keywords
- ringer
- line
- circuit
- switching signal
- signal
- 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
- 230000001934 delay Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Devices For Supply Of Signal Current (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Description
第１図は本考案の一実施例のブロツク図、第２
図は本考案の他の実施例のブロツク図、第３図は
従来のリンガ出力装置のブロツク図、第４図はリ
ンガ切換信号の一例を示す図である。
０，１……リンガ回路、３０，３１，７……イ
ンバータ、５０，５１……遅延回路、６０，６１
……バツフア、８０，８１……シフトレジスタ。
Figure 1 is a block diagram of one embodiment of the present invention;
3 is a block diagram of another embodiment of the present invention, FIG. 3 is a block diagram of a conventional ringer output device, and FIG. 4 is a diagram showing an example of a ringer switching signal. 0, 1... Ringer circuit, 3 0 , 3 1 , 7... Inverter, 5 0 , 5 1 ... Delay circuit, 6 0 , 6 1
... Batsuhua, 8 0 , 8 1 ... Shift register.
Claims (1)
を選択して回線へリンガ信号を送出するリンガ出
力装置において、 前記リンガ切換信号を所定時間遅延させて出力
する遅延回路と、 前記リンガ切換信号を直接受けてその切換えタ
イミングにて前記回線に接続されている側のリン
ガ回路を当該回線から切離すとともに、前記遅延
回路を介して受けたリンガ切換信号の切換えタイ
ミングにて前記回線から切離されている側のリン
ガ回路を当該回線に接続する選択回路とを具備し
たことを特徴とするリンガ出力装置。[Claims for Utility Model Registration] A ringer output device that selects one of two ringer circuits based on a ringer switching signal and sends a ringer signal to a line, comprising: a delay circuit that delays the ringer switching signal by a predetermined time and outputs the ringer signal; , Directly receiving the ringer switching signal and disconnecting the ringer circuit connected to the line from the line at the switching timing, and disconnecting the ringer circuit connected to the line from the line at the switching timing of the ringer switching signal received via the delay circuit. A ringer output device comprising a selection circuit that connects a ringer circuit on a side that is disconnected from a line to the line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3758388U JPH01142257U (en) | 1988-03-24 | 1988-03-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3758388U JPH01142257U (en) | 1988-03-24 | 1988-03-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01142257U true JPH01142257U (en) | 1989-09-29 |
Family
ID=31264162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3758388U Pending JPH01142257U (en) | 1988-03-24 | 1988-03-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01142257U (en) |
-
1988
- 1988-03-24 JP JP3758388U patent/JPH01142257U/ja active Pending
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