JPS63165952U - - Google Patents
Info
- Publication number
- JPS63165952U JPS63165952U JP5748487U JP5748487U JPS63165952U JP S63165952 U JPS63165952 U JP S63165952U JP 5748487 U JP5748487 U JP 5748487U JP 5748487 U JP5748487 U JP 5748487U JP S63165952 U JPS63165952 U JP S63165952U
- Authority
- JP
- Japan
- Prior art keywords
- output ends
- telephone device
- button
- rectifier output
- diode bridge
- 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 claims description 3
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Devices For Supply Of Signal Current (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Description
図は本考案の実施例を示す回路図である。
２，３……ＤＢ（ダイオードブリツジ）、４…
…ＤＩＣ（ダイヤル送出回路）、５……ＬＰＴ（
ループ終端回路）、Ｌ１，Ｌ２……線路端子、Ｃ
……コンデンサ、ＬＴ……線路変成器。
The figure is a circuit diagram showing an embodiment of the present invention. 2, 3...DB (diode bridge), 4...
...DIC (dial sending circuit), 5...LPT (
loop termination circuit), L 1 , L 2 ... line terminal, C
...Capacitor, LT...Line transformer.
Claims (1)
し通話回路を外線と接続するボタン電話装置にお
いて、前記コンデンサより外線側の線間へ交流入
力端の接続された第１および第２のダイオードブ
リツジと、前記第１のダイオードブリツジの整流
出力端間へ接続されたダイヤル送出回路と、前記
第２のダイオードブリツジの整流出力端間へ接続
されたループ終端回路とを設けたことを特徴とす
るボタン電話装置。 In a button telephone device that connects a communication circuit to an outside line through a DC blocking capacitor and a line transformer, first and second diode bridges having AC input terminals connected between the lines on the outside line side from the capacitor; A button comprising: a dial sending circuit connected between the rectifier output ends of the first diode bridge; and a loop termination circuit connected between the rectifier output ends of the second diode bridge. Telephone device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5748487U JPS63165952U (en) | 1987-04-17 | 1987-04-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5748487U JPS63165952U (en) | 1987-04-17 | 1987-04-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63165952U true JPS63165952U (en) | 1988-10-28 |
Family
ID=30887230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5748487U Pending JPS63165952U (en) | 1987-04-17 | 1987-04-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63165952U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60227551A (en) * | 1984-04-26 | 1985-11-12 | Tamura Electric Works Ltd | Telephone terminal equipment |
| JPS6272257A (en) * | 1985-09-26 | 1987-04-02 | Fujitsu Ltd | Control system for telephone line |
-
1987
- 1987-04-17 JP JP5748487U patent/JPS63165952U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60227551A (en) * | 1984-04-26 | 1985-11-12 | Tamura Electric Works Ltd | Telephone terminal equipment |
| JPS6272257A (en) * | 1985-09-26 | 1987-04-02 | Fujitsu Ltd | Control system for telephone line |
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