JPH02145843U - - Google Patents
Info
- Publication number
- JPH02145843U JPH02145843U JP5518489U JP5518489U JPH02145843U JP H02145843 U JPH02145843 U JP H02145843U JP 5518489 U JP5518489 U JP 5518489U JP 5518489 U JP5518489 U JP 5518489U JP H02145843 U JPH02145843 U JP H02145843U
- Authority
- JP
- Japan
- Prior art keywords
- output
- sensor
- signal
- changeover switch
- playback device
- 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
- 230000002238 attenuated effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Description
第１図は本考案の一実施例にかかる電話機の斜
視図、第２図は同上の電話機と組合わされる本考
案の減衰装置のブロツク図を示す。
１……電話機本体、２……送受話器、３……送
受話器設置部、４……センサー、５……ケーブル
、Ａ……再生装置、Ｂ……減衰回路、Ｃ……増幅
器、Ｄ……スピーカ。
FIG. 1 is a perspective view of a telephone according to an embodiment of the present invention, and FIG. 2 is a block diagram of an attenuation device of the present invention combined with the same telephone. DESCRIPTION OF SYMBOLS 1...Telephone body, 2...Handset, 3...Handset installation part, 4...Sensor, 5...Cable, A...Reproduction device, B...Attenuation circuit, C...Amplifier, D... speaker.
Claims (1)
れているか、取られているかに応じた第１、第２
の出力信号を送出するセンサーと、 このセンサーからの第１、第２の出力信号に応
じてスイツチが切替えられる切替スイツチと、 この切替えスイツチに出力端が接続された再生
装置と、 この再生装置出力が前記切替スイツチを介しス
ピーカと接続された増幅器へ送出する減衰回路と
を備え、 前記センサーからの第２の出力信号により前記
再生装置の出力は前記減衰回路の減衰部を介し減
衰され後段の前記増幅器に送出されることを特徴
とした音量減衰装置。[Scope of Utility Model Registration Claim] The first and second parts are provided on the telephone body side and correspond to whether the handset is placed or taken off.
a sensor that sends out an output signal; a changeover switch that switches according to the first and second output signals from the sensor; a playback device whose output end is connected to the changeover switch; and an output of the playback device. is equipped with an attenuation circuit that sends the signal to an amplifier connected to the speaker via the changeover switch, and the output of the playback device is attenuated via the attenuation section of the attenuation circuit in response to a second output signal from the sensor, and A volume attenuation device characterized in that the signal is sent to an amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5518489U JPH02145843U (en) | 1989-05-12 | 1989-05-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5518489U JPH02145843U (en) | 1989-05-12 | 1989-05-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02145843U true JPH02145843U (en) | 1990-12-11 |
Family
ID=31577909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5518489U Pending JPH02145843U (en) | 1989-05-12 | 1989-05-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02145843U (en) |
-
1989
- 1989-05-12 JP JP5518489U patent/JPH02145843U/ja active Pending