JPH01135847U - - Google Patents
Info
- Publication number
- JPH01135847U JPH01135847U JP3153288U JP3153288U JPH01135847U JP H01135847 U JPH01135847 U JP H01135847U JP 3153288 U JP3153288 U JP 3153288U JP 3153288 U JP3153288 U JP 3153288U JP H01135847 U JPH01135847 U JP H01135847U
- Authority
- JP
- Japan
- Prior art keywords
- changeover switch
- call
- circuit
- telephone
- adjustment 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
- 230000005236 sound signal Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の一実施例に於ける電話機の周
波数特性調整装置の回路図である。
４……通話回路、６，７，８……抵抗、９……
切替スイツチ。
FIG. 1 is a circuit diagram of a frequency characteristic adjustment device for a telephone according to an embodiment of the present invention. 4...Telephone circuit, 6,7,8...Resistor, 9...
Changeover switch.
Claims (1)
切替スイツチを通話回路に接続し、 前記切替スイツチを切替えることにより、通話
時に於ける音声信号の周波数特性を変化できるよ
うにしたことを特徴とする電話機の周波数特性調
整装置。[Claims for Utility Model Registration] A changeover switch equipped with a plurality of circuit elements having different constants is connected to a telephone call circuit, and by switching the changeover switch, the frequency characteristics of an audio signal during a call can be changed. A frequency characteristic adjustment device for a telephone set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3153288U JPH01135847U (en) | 1988-03-09 | 1988-03-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3153288U JPH01135847U (en) | 1988-03-09 | 1988-03-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01135847U true JPH01135847U (en) | 1989-09-18 |
Family
ID=31257450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3153288U Pending JPH01135847U (en) | 1988-03-09 | 1988-03-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01135847U (en) |
-
1988
- 1988-03-09 JP JP3153288U patent/JPH01135847U/ja active Pending