JPS5890763U - telephone - Google Patents
telephoneInfo
- Publication number
- JPS5890763U JPS5890763U JP1981186985U JP18698581U JPS5890763U JP S5890763 U JPS5890763 U JP S5890763U JP 1981186985 U JP1981186985 U JP 1981186985U JP 18698581 U JP18698581 U JP 18698581U JP S5890763 U JPS5890763 U JP S5890763U
- Authority
- JP
- Japan
- Prior art keywords
- telephone
- switch
- power supply
- charging path
- board
- 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
- 238000010586 diagram Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Devices For Supply Of Signal Current (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は本考案の一実施例を示すブロック図、第2図〜
第4図はコネクタ部分の一例を示す説明図である。
1・・・・・・電源回路、2・・・・・・課金信号受信
回路、5 −・・・・・・通話回路、7・・・・・・
制御回路、8・・・・・・抵抗、9゜12.13・・・
・・・ダイオード、10,14・・・・・・コンデンサ
、11.15・・・・・・ツェナーダイオード、16、
.16゜、17・・・・・・マイクロスイッチ、H8・
・・・・・フックスイッチ。Figure 1 is a block diagram showing an embodiment of the present invention, Figures 2-
FIG. 4 is an explanatory diagram showing an example of a connector portion. 1...Power supply circuit, 2...Charging signal receiving circuit, 5-...Telephone circuit, 7...
Control circuit, 8...Resistance, 9°12.13...
... Diode, 10, 14 ... Capacitor, 11.15 ... Zener diode, 16,
.. 16°, 17...Micro switch, H8・
...Hook switch.
Claims (1)
回路が複数の基板によって構成される電話機において、
充電路の一部を構成する基板が抜取られた時にオンとな
るスイッチを設け、このスイッチを基板の充電路と並列
に接続したことを特徴とする電話機。In a telephone in which the internal power supply of the telephone is charged by the central power supply and the telephone circuit is composed of multiple boards,
A telephone set comprising a switch that is turned on when a board constituting a part of the charging path is removed, and this switch is connected in parallel with the charging path of the board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981186985U JPS5890763U (en) | 1981-12-15 | 1981-12-15 | telephone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1981186985U JPS5890763U (en) | 1981-12-15 | 1981-12-15 | telephone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5890763U true JPS5890763U (en) | 1983-06-20 |
| JPH0224298Y2 JPH0224298Y2 (en) | 1990-07-03 |
Family
ID=29989412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1981186985U Granted JPS5890763U (en) | 1981-12-15 | 1981-12-15 | telephone |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5890763U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS557217U (en) * | 1978-06-28 | 1980-01-18 |
-
1981
- 1981-12-15 JP JP1981186985U patent/JPS5890763U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS557217U (en) * | 1978-06-28 | 1980-01-18 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0224298Y2 (en) | 1990-07-03 |
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