JPS6320640U - - Google Patents
Info
- Publication number
- JPS6320640U JPS6320640U JP11432886U JP11432886U JPS6320640U JP S6320640 U JPS6320640 U JP S6320640U JP 11432886 U JP11432886 U JP 11432886U JP 11432886 U JP11432886 U JP 11432886U JP S6320640 U JPS6320640 U JP S6320640U
- Authority
- JP
- Japan
- Prior art keywords
- capacitor
- holding
- power
- circuit
- parallel
- 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.)
- Granted
Links
- 239000003990 capacitor Substances 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Devices For Supply Of Signal Current (AREA)
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、ＶＤ
，ＶＳ……電源端子、Ｒ１〜Ｒ１１……抵抗器。
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 to Q5 ...TR (transistor), C1 to C6 ...Capacitor, VD
, VS...power supply terminal, R1 to R11 ...resistor.
Claims (1)
ずるループ電流を電源とし、かつ、電源保持用の
コンデンサを有するダイヤル回路を備えた電話機
において、前記ダイヤル回路の電源端子と並列に
接続された前記電源保持を行なう第１のコンデン
サと、該コンデンサに対し抵抗器を介して並列に
接続された前記電源保持を行なう第２のコンデン
サとを設けたことを特徴とする電話機回路。 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 which has a power holding capacitor, the power holding circuit is connected in parallel with a power terminal of the dial circuit. 1. A telephone circuit comprising: a first capacitor for holding the power supply; and a second capacitor for holding the power supply connected in parallel to the capacitor via a resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11432886U JPH0413864Y2 (en) | 1986-07-25 | 1986-07-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11432886U JPH0413864Y2 (en) | 1986-07-25 | 1986-07-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6320640U true JPS6320640U (en) | 1988-02-10 |
| JPH0413864Y2 JPH0413864Y2 (en) | 1992-03-30 |
Family
ID=30996968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11432886U Expired JPH0413864Y2 (en) | 1986-07-25 | 1986-07-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0413864Y2 (en) |
-
1986
- 1986-07-25 JP JP11432886U patent/JPH0413864Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0413864Y2 (en) | 1992-03-30 |