JPS6079866U - telephone - Google Patents
telephoneInfo
- Publication number
- JPS6079866U JPS6079866U JP17321283U JP17321283U JPS6079866U JP S6079866 U JPS6079866 U JP S6079866U JP 17321283 U JP17321283 U JP 17321283U JP 17321283 U JP17321283 U JP 17321283U JP S6079866 U JPS6079866 U JP S6079866U
- Authority
- JP
- Japan
- Prior art keywords
- power failure
- telephone
- relay contact
- relay
- handset
- 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
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図は電話機の従来例を示すブロック図、第２図は本
考案の電話機の構成を示すブロック図、第３図は本考案
の他の実施例の要部を示すブロック図、第４図は第３図
の動作状態を示すフローチャート図である。
１・・・制御回路、２晶キーボード、４・・・メモリ、
５・・・表示器、６・・・ダイヤル信号発生回路、７・
・・ネットワーク回路、８・・・ハンドセット、９・・
・マイクロホン、１０・・・スピーカ、２１・・・停電
検出回路。Fig. 1 is a block diagram showing a conventional example of a telephone, Fig. 2 is a block diagram showing the configuration of a telephone according to the present invention, Fig. 3 is a block diagram showing main parts of another embodiment of the present invention, Fig. 4 4 is a flow chart diagram showing the operating state of FIG. 3. FIG. 1... Control circuit, 2-crystal keyboard, 4... Memory,
5...Display device, 6...Dial signal generation circuit, 7.
...Network circuit, 8...Handset, 9...
-Microphone, 10...Speaker, 21...Power failure detection circuit.
Claims (1)
たリレー接点を開閉するよう構成し、ハンドセットを取
り上げなくても別途設けたマイクロホンとスピーカによ
り通話を行なうことができる電話機に於いて、駆動電源
の停電を検出する停電検出回路を設け、該回路が停電を
検出したら前記リレー接点を駆動するリレーを不動作に
するよう構成したことを特徴とする電話機。A telephone that is configured to open and close a relay contact connected in parallel with a hook switch by operating a dial key, and allows calls to be made using a separately installed microphone and speaker without having to pick up the handset. 1. A telephone set comprising: a power failure detection circuit for detecting a power failure; and when the circuit detects a power failure, a relay that drives the relay contact is rendered inoperable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17321283U JPS6079866U (en) | 1983-11-08 | 1983-11-08 | telephone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17321283U JPS6079866U (en) | 1983-11-08 | 1983-11-08 | telephone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6079866U true JPS6079866U (en) | 1985-06-03 |
Family
ID=30377386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17321283U Pending JPS6079866U (en) | 1983-11-08 | 1983-11-08 | telephone |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6079866U (en) |
-
1983
- 1983-11-08 JP JP17321283U patent/JPS6079866U/en active Pending
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