JPS6090918U - Audio amplification device for amplifying ringtones and ringing tones of button telephone devices - Google Patents
Audio amplification device for amplifying ringtones and ringing tones of button telephone devicesInfo
- Publication number
- JPS6090918U JPS6090918U JP18230783U JP18230783U JPS6090918U JP S6090918 U JPS6090918 U JP S6090918U JP 18230783 U JP18230783 U JP 18230783U JP 18230783 U JP18230783 U JP 18230783U JP S6090918 U JPS6090918 U JP S6090918U
- Authority
- JP
- Japan
- Prior art keywords
- ring tone
- amplification device
- ringtones
- amplifying
- audio amplification
- 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
Landscapes
- Control Of Amplification And Gain Control (AREA)
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
図は本考案の音声増幅装置における一実施例の概略構成
図である。
１・・・・・・入力端子、２・・・・・・フィルター、
３・・・・・・レベル検出回路、４・・・・・・遅延回
路、５・・・・・・ミューティング回路、６・・・・・
・増幅回路、７・・・・・・スピーカ。The figure is a schematic configuration diagram of an embodiment of the audio amplification device of the present invention. 1...Input terminal, 2...Filter,
3... Level detection circuit, 4... Delay circuit, 5... Muting circuit, 6...
・Amplification circuit, 7...Speaker.
Claims (1)
フさせて、おくミューティング回路を設け、このミュー
ティング回路を上記信号ラインに供給された信号のレベ
ルが予め定められた一定レベル以上になったとき、これ
を検出するレベル検出回路の出力によって制御するよう
になし、上記一定レベル以上の着信音、呼出音が上記信
号ラインに供給されたとき、上記信号ラインをオンし、
上記着信音、呼出音を上記ミューティング回路の後段に
設けた増幅回路を介してスピーカに印加するように構成
した音声増幅装置。A muting circuit is provided in the ring tone and ring tone signal line to keep this signal line off at all times, and the muting circuit is activated when the level of the signal supplied to the signal line exceeds a predetermined level. When a ring tone or a ring tone of a certain level or higher is supplied to the signal line, the signal line is turned on,
An audio amplification device configured to apply the ring tone and ring tone to a speaker via an amplification circuit provided after the muting circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18230783U JPS6090918U (en) | 1983-11-26 | 1983-11-26 | Audio amplification device for amplifying ringtones and ringing tones of button telephone devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18230783U JPS6090918U (en) | 1983-11-26 | 1983-11-26 | Audio amplification device for amplifying ringtones and ringing tones of button telephone devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6090918U true JPS6090918U (en) | 1985-06-21 |
Family
ID=30394843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18230783U Pending JPS6090918U (en) | 1983-11-26 | 1983-11-26 | Audio amplification device for amplifying ringtones and ringing tones of button telephone devices |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6090918U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55138911A (en) * | 1979-04-17 | 1980-10-30 | Fujitsu Ltd | Excessive input signal preventive system |
-
1983
- 1983-11-26 JP JP18230783U patent/JPS6090918U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55138911A (en) * | 1979-04-17 | 1980-10-30 | Fujitsu Ltd | Excessive input signal preventive system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6090918U (en) | Audio amplification device for amplifying ringtones and ringing tones of button telephone devices | |
| JPS5850760U (en) | automatic telephone answering device | |
| JPS61128858U (en) | ||
| JPS59166299U (en) | Voice-changing sound effect generator | |
| JPS6090958U (en) | Telephone with audio equipment | |
| JPS59187266U (en) | Automatic facsimile reception cancellation device | |
| JPS58107650U (en) | selective calling device | |
| JPS61171350U (en) | ||
| JPS5933384U (en) | Audio equipment with headphone output circuit with alarm function | |
| JPS5854142U (en) | audio output device | |
| JPS5911540U (en) | squelch circuit | |
| JPS5914409U (en) | Automatic alarm volume adjustment device | |
| JPS59180552U (en) | Simultaneous call type handset/receiver | |
| JPS6115866U (en) | Howler - telephone with listening function | |
| JPS6114548U (en) | cordless telephone | |
| JPS6090959U (en) | Telephone with audio equipment | |
| JPS6129522U (en) | Muting circuit for acoustic transmission system | |
| JPS5948166U (en) | Intercom device with TV monitor function | |
| JPS6052744U (en) | control circuit | |
| JPS601067U (en) | Telephone ring volume adjustment circuit | |
| JPS5888476U (en) | On hold music sending circuit | |
| JPS59114653U (en) | Incoming ringing circuit | |
| JPS6077154U (en) | public address telephone | |
| JPS6126346U (en) | car phone | |
| JPS6114521U (en) | audio signal mixing device |