JPS60174358U - Electronics - Google Patents
ElectronicsInfo
- Publication number
- JPS60174358U JPS60174358U JP6321384U JP6321384U JPS60174358U JP S60174358 U JPS60174358 U JP S60174358U JP 6321384 U JP6321384 U JP 6321384U JP 6321384 U JP6321384 U JP 6321384U JP S60174358 U JPS60174358 U JP S60174358U
- Authority
- JP
- Japan
- Prior art keywords
- handset
- circuit
- speech network
- network circuit
- speaker
- 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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は電子機器の従来例の構成を示すブロック図、第
2図は本考案の電子機器の構成を示すブロック図である
。
1・・・・・・制御回路、2・・・・・・キーボード、
3・・・・・・スピーチネットワーク回路、4・・・・
・・ハンドセット、8・・・・・・トーンダイヤル回路
、9・・・・・・モデム回路、14・・・・・・レベル
検出回路。FIG. 1 is a block diagram showing the configuration of a conventional electronic device, and FIG. 2 is a block diagram showing the configuration of the electronic device of the present invention. 1...Control circuit, 2...Keyboard,
3... Speech network circuit, 4...
... Handset, 8 ... Tone dial circuit, 9 ... Modem circuit, 14 ... Level detection circuit.
Claims (1)
ピーチネットワーク回路と、該回路を介してトーンダイ
ヤル信号を送出するトーンダイヤル回路と、前記スピー
チネットワーク回路にハンドセットが接続されているか
否かを検出する手段と、該手段によりハンドセットが接
続されていないことが検出された時、ハンドセットのス
ピーカが接続されるスピーチネットワーク回路の端子に
ハンドセットのスピーカのインピーダンスと等価な負荷
を接続する手段とよりなる電子機器。A speech network circuit to which a handset is connected to make a connection to a telephone line; a tone dial circuit for sending a tone dial signal through the circuit; and means for detecting whether a handset is connected to the speech network circuit. and means for connecting a load equivalent to the impedance of the speaker of the handset to a terminal of a speech network circuit to which the speaker of the handset is connected when the means detects that the handset is not connected.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6321384U JPS60174358U (en) | 1984-04-27 | 1984-04-27 | Electronics |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6321384U JPS60174358U (en) | 1984-04-27 | 1984-04-27 | Electronics |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS60174358U true JPS60174358U (en) | 1985-11-19 |
Family
ID=30593142
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6321384U Pending JPS60174358U (en) | 1984-04-27 | 1984-04-27 | Electronics |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60174358U (en) |
-
1984
- 1984-04-27 JP JP6321384U patent/JPS60174358U/en active Pending
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