JPH0247851U - - Google Patents
Info
- Publication number
- JPH0247851U JPH0247851U JP12661188U JP12661188U JPH0247851U JP H0247851 U JPH0247851 U JP H0247851U JP 12661188 U JP12661188 U JP 12661188U JP 12661188 U JP12661188 U JP 12661188U JP H0247851 U JPH0247851 U JP H0247851U
- Authority
- JP
- Japan
- Prior art keywords
- generation circuit
- sound generation
- circuit
- ringer
- melody sound
- 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 description 4
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の一実施例を示す図、第２図は
従来例を示す図である。
５……マイコン、６……リンガー音発生回路、
７……フオトカプラー、１０……電源回路、１１
……メロデイー音発生回路、１４……着信音切換
回路、１５……フオトカプラー（停電検出回路）
、１６……直列回路。
FIG. 1 is a diagram showing an embodiment of the present invention, and FIG. 2 is a diagram showing a conventional example. 5... Microcomputer, 6... Ringer sound generation circuit,
7...Photocoupler, 10...Power circuit, 11
... Melody sound generation circuit, 14 ... Ring tone switching circuit, 15 ... Photo coupler (power outage detection circuit)
, 16...Series circuit.
Claims (1)
発生回路と、商用電源にて駆動されるメロデイー
音発生回路と、着信音を切換えるための着信音切
換回路とを備え、該着信音切換回路の操作に基づ
き前記リンガー音発生回路からのリンガー音若し
くは前記メロデイー音発生回路からのメロデイー
音にて着信を報知するようになされた電話機であ
つて、商用電源の停電を検出する停電検出回路を
設け、前記着信音切換回路がメロデイー音発生回
路からのメロデイー音による着信報知状態に設定
されている際、前記停電検出回路からの検出信号
に応じて前記リンガー音発生回路を能動状態に設
定するようにしたことを特徴とする電話機。 Equipped with a ringer sound generation circuit driven by power from a telephone line, a melody sound generation circuit driven by commercial power, and a ringtone switching circuit for switching ringtones, the ringtone switching circuit is operated. The telephone is configured to notify an incoming call with a ringer sound from the ringer sound generation circuit or a melody sound from the melody sound generation circuit based on the above, and is provided with a power outage detection circuit for detecting a power outage of the commercial power supply, When the ring tone switching circuit is set to an incoming call notification state using a melody sound from a melody sound generation circuit, the ringer sound generation circuit is set to an active state in response to a detection signal from the power failure detection circuit. A phone featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12661188U JPH0247851U (en) | 1988-09-27 | 1988-09-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12661188U JPH0247851U (en) | 1988-09-27 | 1988-09-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0247851U true JPH0247851U (en) | 1990-04-03 |
Family
ID=31378286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12661188U Pending JPH0247851U (en) | 1988-09-27 | 1988-09-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0247851U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4946301A (en) * | 1972-09-05 | 1974-05-02 |
-
1988
- 1988-09-27 JP JP12661188U patent/JPH0247851U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4946301A (en) * | 1972-09-05 | 1974-05-02 |