JPS6320649U - - Google Patents
Info
- Publication number
- JPS6320649U JPS6320649U JP11432786U JP11432786U JPS6320649U JP S6320649 U JPS6320649 U JP S6320649U JP 11432786 U JP11432786 U JP 11432786U JP 11432786 U JP11432786 U JP 11432786U JP S6320649 U JPS6320649 U JP S6320649U
- Authority
- JP
- Japan
- Prior art keywords
- dial
- loop
- circuit
- hook
- controlled
- 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
- 239000003990 capacitor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Description
図は本考案の実施例を示す回路図である。
２……ＴＫＣ（通話回路）、３……ＤＩＣ（ダ
イヤル回路）、４……ＤＫ（ダイヤルキー）、Ｌ
１，Ｌ２……線路端子、Ｑ１〜Ｑ５……ＴＲ（ト
ランジスタ）、Ｃ１〜Ｃ６……コンデンサ、Ｒ１
〜Ｒ１１……抵抗器、……フツクスイツチ信
号端子、ＭＳ１，ＭＳ２……保留スイツチ。
The figure is a circuit diagram showing an embodiment of the present invention. 2...TKC (telephone circuit), 3...DIC (dial circuit), 4...DK (dial key), L
1 , L2 ...Line terminal, Q1 - Q5 ...TR (transistor), C1 - C6 ...Capacitor, R1
~ R11 ...Resistor,...Hook switch signal terminal, MS1 , MS2 ...Hold switch.
Claims (1)
ずるループ電流を電源とするダイヤル回路と、操
作によりオンフツクにかかわらず前記直流ループ
を閉成する保留スイツチとを備えた電話機におい
て、前記ダイヤル回路の動作を制御する端子に対
し接続され前記保留スイツチの操作により前記ダ
イヤル回路の動作を禁止する状態となるスイツチ
ング素子を備えたことを特徴とする電話機のダイ
ヤル制御回路。 In a telephone equipped with a dial circuit whose power source is a loop current passing through a DC loop that is closed in response to off-hook, and a hold switch that closes the DC loop when operated, regardless of on-hook, the operation of the dial circuit is controlled. 1. A dial control circuit for a telephone set, comprising a switching element connected to a terminal to be controlled and placed in a state where operation of the dial circuit is inhibited by operation of the hold switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11432786U JPS6320649U (en) | 1986-07-25 | 1986-07-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11432786U JPS6320649U (en) | 1986-07-25 | 1986-07-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6320649U true JPS6320649U (en) | 1988-02-10 |
Family
ID=30996966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11432786U Pending JPS6320649U (en) | 1986-07-25 | 1986-07-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6320649U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60206355A (en) * | 1984-03-30 | 1985-10-17 | Iwatsu Electric Co Ltd | Telephone set provided with holding function |
-
1986
- 1986-07-25 JP JP11432786U patent/JPS6320649U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60206355A (en) * | 1984-03-30 | 1985-10-17 | Iwatsu Electric Co Ltd | Telephone set provided with holding function |