JPS6271947U - - Google Patents
Info
- Publication number
- JPS6271947U JPS6271947U JP16297485U JP16297485U JPS6271947U JP S6271947 U JPS6271947 U JP S6271947U JP 16297485 U JP16297485 U JP 16297485U JP 16297485 U JP16297485 U JP 16297485U JP S6271947 U JPS6271947 U JP S6271947U
- Authority
- JP
- Japan
- Prior art keywords
- switch
- circuit
- hold
- generation circuit
- speech
- 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
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Devices For Supply Of Signal Current (AREA)
Description
第１図は本考案の一実施例を示すブロツク図、
第２図は従来例を示すブロツク図、第３図はトー
ンリンガの圧電ブザーを利用した場合について参
考のために示したブロツク図である。
８……保留音発生回路、１１……送話器、ＭＳ
２，ＭＳ３……スイツチ。
FIG. 1 is a block diagram showing an embodiment of the present invention.
FIG. 2 is a block diagram showing a conventional example, and FIG. 3 is a block diagram shown for reference when a piezoelectric buzzer of a tone ringer is used. 8... Hold tone generation circuit, 11... Transmitter, MS
2, MS3...Switch.
Claims (1)
に共通接続しかつ他端を通話回路の送話入力端に
接続してなる電話機において、ループ電流によつ
て動作する保留音発生回路と、常時は通話回路の
送話入力端を圧電形送話器の他端側に接続し、保
留操作によつて保留音発生回路の出力端に切換接
続する第１のスイツチと、常時は送話器の他端を
通話回路の送話入力端側に接続し、第１のスイツ
チに連動して保留音発生回路の出力端に切換接続
する第２のスイツチとから構成されてなる保留音
送出回路。 In a telephone set in which one end of a piezoelectric transmitter is commonly connected to the common potential point side of a speech circuit and the other end is connected to a transmitting input terminal of the speech circuit, there is provided a hold tone generation circuit operated by a loop current. , a first switch which normally connects the transmission input end of the speech circuit to the other end of the piezoelectric transmitter, and which switches and connects it to the output end of the hold tone generation circuit by a hold operation; a second switch, the other end of which is connected to the transmitting input end of the speech circuit, and a second switch that is connected to the output end of the hold music generation circuit in conjunction with the first switch; .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16297485U JPS6271947U (en) | 1985-10-25 | 1985-10-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16297485U JPS6271947U (en) | 1985-10-25 | 1985-10-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6271947U true JPS6271947U (en) | 1987-05-08 |
Family
ID=31090744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16297485U Pending JPS6271947U (en) | 1985-10-25 | 1985-10-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6271947U (en) |
-
1985
- 1985-10-25 JP JP16297485U patent/JPS6271947U/ja active Pending