JPH03109452U - - Google Patents
Info
- Publication number
- JPH03109452U JPH03109452U JP1925190U JP1925190U JPH03109452U JP H03109452 U JPH03109452 U JP H03109452U JP 1925190 U JP1925190 U JP 1925190U JP 1925190 U JP1925190 U JP 1925190U JP H03109452 U JPH03109452 U JP H03109452U
- Authority
- JP
- Japan
- Prior art keywords
- telephone
- button
- dial
- switching contacts
- keys
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Telephone Set Structure (AREA)
Description
第１図は本考案によるボタン電話端末機の斜視
図、第２図は第１図のボタン電話端末機のブロツ
ク図、第３図は従来のボタン電話端末機のブロツ
ク図である。
１……左側局線切換電鍵（第１の電鍵）、６…
…右側局線切換電鍵（第２の電鍵）、３……左側
通信回路（第１の通信回路）、８……右側通話回
路（第２の通信回路）、１０……左側・右側通話
回路切換電鍵（第１・第２通話回路切換電鍵）、
ＤＢ……ダイヤル釦。
FIG. 1 is a perspective view of a button telephone terminal according to the present invention, FIG. 2 is a block diagram of the button telephone terminal of FIG. 1, and FIG. 3 is a block diagram of a conventional button telephone terminal. 1...Left station line switching key (first key), 6...
...Right side station line switching key (second key), 3...Left side communication circuit (first communication circuit), 8...Right side communication circuit (second communication circuit), 10...Left/right side communication circuit switching Telephone key (1st/2nd call circuit switching telephone key),
DB...Dial button.
Claims (1)
１、第２の電鍵のそれぞれの前記切換接点に接続
された第１、第２の通話回路と、ダイヤル信号を
出力するダイヤル釦と、前記第１、第２の通話回
路の前記ダイヤル信号入力側がメーク側およびブ
レーク側に接続され、切換接点が前記ダイヤル釦
の出力側と接続された第１・第２通話回路切換電
鍵とを備えたことを特徴とするボタン電話端末機
。 first and second telephone keys having switching contacts, first and second telephone call circuits connected to the respective switching contacts of the first and second telephone keys, and a dial button that outputs a dial signal; The dial signal input side of the first and second call circuits is connected to a make side and a break side, and a switching contact is connected to an output side of the dial button. A button telephone terminal characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1925190U JPH03109452U (en) | 1990-02-27 | 1990-02-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1925190U JPH03109452U (en) | 1990-02-27 | 1990-02-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03109452U true JPH03109452U (en) | 1991-11-11 |
Family
ID=31522382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1925190U Pending JPH03109452U (en) | 1990-02-27 | 1990-02-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03109452U (en) |
-
1990
- 1990-02-27 JP JP1925190U patent/JPH03109452U/ja active Pending
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