JPH0210659U - - Google Patents
Info
- Publication number
- JPH0210659U JPH0210659U JP8768488U JP8768488U JPH0210659U JP H0210659 U JPH0210659 U JP H0210659U JP 8768488 U JP8768488 U JP 8768488U JP 8768488 U JP8768488 U JP 8768488U JP H0210659 U JPH0210659 U JP H0210659U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- resistor
- parallel
- telephone
- amplifier circuit
- 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
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
Description
第１図と第３図は本考案実施例の回路を示す図
、第２図は本考案実施例のインピーダンス特性を
示す図、第４図は従来例の回路を示す図、第５図
は従来例のインピーダンス特性を示す図である。
６，７……抵抗、８……コンデンサ、１５……
送話アンプ、１６……受話アンプ。
Figures 1 and 3 are diagrams showing the circuit of the embodiment of the present invention, Figure 2 is a diagram showing the impedance characteristics of the embodiment of the invention, Figure 4 is a diagram showing the circuit of the conventional example, and Figure 5 is the diagram of the conventional example. It is a figure which shows the impedance characteristic of an example. 6, 7...Resistor, 8...Capacitor, 15...
Transmitting amplifier, 16...receiving amplifier.
Claims (1)
る送話増幅回路１５及び受話増幅回路１６を有す
るホイートストンブリツジ回路を備えた電話機に
おいて、抵抗７とコンデンサ８との並列回路に抵
抗６が直列に接続された回路が回線と交流的に並
列に接続された構造を有する電話機。 In a telephone equipped with a Wheatstone bridge circuit having a transmitting amplifier circuit 15 and a receiving amplifier circuit 16 operated by DC voltage supplied from the line side, a resistor 6 is connected in series to a parallel circuit of a resistor 7 and a capacitor 8. A telephone with a structure in which the connected circuit is connected in parallel with the line in an alternating current manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8768488U JPH0210659U (en) | 1988-06-30 | 1988-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8768488U JPH0210659U (en) | 1988-06-30 | 1988-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0210659U true JPH0210659U (en) | 1990-01-23 |
Family
ID=31312285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8768488U Pending JPH0210659U (en) | 1988-06-30 | 1988-06-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0210659U (en) |
-
1988
- 1988-06-30 JP JP8768488U patent/JPH0210659U/ja active Pending