JPS61100061U - - Google Patents
Info
- Publication number
- JPS61100061U JPS61100061U JP18514284U JP18514284U JPS61100061U JP S61100061 U JPS61100061 U JP S61100061U JP 18514284 U JP18514284 U JP 18514284U JP 18514284 U JP18514284 U JP 18514284U JP S61100061 U JPS61100061 U JP S61100061U
- Authority
- JP
- Japan
- Prior art keywords
- ringing
- ringing signal
- pulses
- ringing tone
- counted value
- 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
- 101001117010 Homo sapiens Pericentrin Proteins 0.000 description 1
- 102100024315 Pericentrin Human genes 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は、本考案に係る電話機の一実施例を示
すブロツク図である。 ＣＳＤ…呼出信号検出回路、ＲＧ…呼出音発生
回路、ＰＣＮＴ…呼出信号パルス計数器、ＧＣ…
呼出音量制御回路、ＳＰＫ…スピーカ。
すブロツク図である。 ＣＳＤ…呼出信号検出回路、ＲＧ…呼出音発生
回路、ＰＣＮＴ…呼出信号パルス計数器、ＧＣ…
呼出音量制御回路、ＳＰＫ…スピーカ。
Claims (1)
- 交換機からの呼出信号を、呼出信号検出回路に
より検出し、これを供給された呼出音発生回路が
呼出音を発生してスピーカを鳴らす電話機におい
て、前記呼出信号検出回路及び呼出音発生回路間
に、前記呼出信号のパルスを計数する呼出信号パ
ルス計数器と、前記パルスの計数値により前記呼
出音の音量を制御する呼出音量制御回路とを分岐
的に設け、前記パルスの計数値により前記呼出音
が一定時間経過の毎に段階的に増巾されるよう構
成した電話機。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18514284U JPS61100061U (ja) | 1984-12-06 | 1984-12-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18514284U JPS61100061U (ja) | 1984-12-06 | 1984-12-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61100061U true JPS61100061U (ja) | 1986-06-26 |
Family
ID=30742621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18514284U Pending JPS61100061U (ja) | 1984-12-06 | 1984-12-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61100061U (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63146543A (ja) * | 1986-12-10 | 1988-06-18 | Canon Inc | 通信装置 |
-
1984
- 1984-12-06 JP JP18514284U patent/JPS61100061U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63146543A (ja) * | 1986-12-10 | 1988-06-18 | Canon Inc | 通信装置 |
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