JPS6330052U - - Google Patents
Info
- Publication number
- JPS6330052U JPS6330052U JP12387186U JP12387186U JPS6330052U JP S6330052 U JPS6330052 U JP S6330052U JP 12387186 U JP12387186 U JP 12387186U JP 12387186 U JP12387186 U JP 12387186U JP S6330052 U JPS6330052 U JP S6330052U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- outputting
- advance
- utility
- scope
- 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
- 238000010586 diagram Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
Description
第１図はこの考案の一実施例による電話機を示
すブロツク図、第２図は従来の電話機を示すブロ
ツク図である。
１は端子、２は光検出回路、３は抵抗回路、４
は電鈴回路、５は通話回路、６は呼出し信号、７
はマイクロホン、８は増幅回路、９は整流回路、
１０はしきい値判別回路、１１は着信検出回路、
１２はロツク信号である。なお、図中同一符号は
同一、又は相当部分を示す。
FIG. 1 is a block diagram showing a telephone according to an embodiment of this invention, and FIG. 2 is a block diagram showing a conventional telephone. 1 is a terminal, 2 is a photodetection circuit, 3 is a resistance circuit, 4
is a bell circuit, 5 is a telephone call circuit, 6 is a calling signal, 7
is a microphone, 8 is an amplifier circuit, 9 is a rectifier circuit,
10 is a threshold value discrimination circuit, 11 is an incoming call detection circuit,
12 is a lock signal. Note that the same reference numerals in the figures indicate the same or equivalent parts.
Claims (1)
呼出し音量を自動的に切替えて出力する手段を具
備して成ることを特徴とする電話機。 A telephone set comprising means for detecting ambient noise in advance and automatically switching and outputting a ringing volume according to the noise level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12387186U JPS6330052U (en) | 1986-08-12 | 1986-08-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12387186U JPS6330052U (en) | 1986-08-12 | 1986-08-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6330052U true JPS6330052U (en) | 1988-02-27 |
Family
ID=31015371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12387186U Pending JPS6330052U (en) | 1986-08-12 | 1986-08-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6330052U (en) |
-
1986
- 1986-08-12 JP JP12387186U patent/JPS6330052U/ja active Pending
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