JPH0344955U - - Google Patents
Info
- Publication number
- JPH0344955U JPH0344955U JP10595489U JP10595489U JPH0344955U JP H0344955 U JPH0344955 U JP H0344955U JP 10595489 U JP10595489 U JP 10595489U JP 10595489 U JP10595489 U JP 10595489U JP H0344955 U JPH0344955 U JP H0344955U
- Authority
- JP
- Japan
- Prior art keywords
- sound
- changeover switch
- ringer
- common terminal
- circuit
- 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
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は本考案に係わる電話装置の電気的構成
を示すブロツク線図、第２図は同装置の動作を説
明するためのタイミングチヤート、第３図は従来
のオフフツク機能を有する電話装置の電気的構成
を示すブロツク線図である。
１……スピーカ、２……リレースイツチ、３…
…装置本体、３１……リンガー音出力回路、３２
……マイク入力回路、３３……オフフツクスイツ
チング回路、７……ワンシヨツトマルチバイブレ
ータ、９……リレースイツチ、１０……オフフツ
クスイツチ、１５……駆動コイル。
Fig. 1 is a block diagram showing the electrical configuration of a telephone device according to the present invention, Fig. 2 is a timing chart for explaining the operation of the same device, and Fig. 3 is an electrical diagram of a conventional telephone device having an off-hook function. FIG. 2 is a block diagram showing the basic configuration. 1...Speaker, 2...Relay switch, 3...
... Device body, 31 ... Ringer sound output circuit, 32
... Microphone input circuit, 33 ... Off-foot switching circuit, 7 ... One-shot multivibrator, 9 ... Relay switch, 10 ... Off-hook switch, 15 ... Drive coil.
Claims (1)
通端子が接続された切換スイツチと、 該切換スイツチの一端に接続され、着信信号を
検出することにより着信を知らせるリンガー音を
送出するリンガー音出力回路と、 前記切換スイツチの他端に接続され、前記スピ
ーカからの音声入力を検出する音声検出回路と、 該音声検出回路によつて前記スピーカからの入
力音声を検出したとき、オフフツクスイツチング
回路を起動してオフフツク状態とする起動スイツ
チと、 前記リンガー音出力回路からリンガー音を示す
信号が送出されているときには、前記切換スイツ
チの共通端子を一端側に接続し、リンガー音を示
す信号が送出されていないときには、前記切換ス
イツチの共通端子を他端側に接続する制御回路と
を備えたことを特徴とする電話装置。[Claims for Utility Model Registration] A changeover switch having one end connected to ground and a common terminal connected to the other end of the changeover switch, and a ringer connected to one end of the changeover switch to notify an incoming call by detecting an incoming signal. a ringer sound output circuit for transmitting sound; a sound detection circuit connected to the other end of the changeover switch to detect sound input from the speaker; and the sound detection circuit detects the sound input from the speaker. a start switch that starts an off-hook switching circuit to put it in an off-hook state, and when a signal indicating a ringer sound is being sent from the ringer sound output circuit, a common terminal of the changeover switch is connected to one end; A telephone device comprising: a control circuit that connects a common terminal of the changeover switch to the other end when a signal indicating a ringer sound is not being sent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10595489U JPH0344955U (en) | 1989-09-07 | 1989-09-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10595489U JPH0344955U (en) | 1989-09-07 | 1989-09-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0344955U true JPH0344955U (en) | 1991-04-25 |
Family
ID=31654705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10595489U Pending JPH0344955U (en) | 1989-09-07 | 1989-09-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0344955U (en) |
-
1989
- 1989-09-07 JP JP10595489U patent/JPH0344955U/ja active Pending