JPH0436351U - - Google Patents
Info
- Publication number
- JPH0436351U JPH0436351U JP7754290U JP7754290U JPH0436351U JP H0436351 U JPH0436351 U JP H0436351U JP 7754290 U JP7754290 U JP 7754290U JP 7754290 U JP7754290 U JP 7754290U JP H0436351 U JPH0436351 U JP H0436351U
- Authority
- JP
- Japan
- Prior art keywords
- amplifier
- level
- output
- current component
- separating means
- 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
Description
第１図はこの考案の一実施例による通話レベル
調整装置を示すブロツク図、第２図はこの考案の
他の実施例を示すブロツク図、第３図はさらに他
の実施例を示すブロツク図、第４図は従来の通話
レベル調整装置を示すブロツク図である。
図において、１は入力端子、２および２１〜２
ｎは出力端子、３は増幅器、４は設定手段、５は
ＡＣ／ＤＣ分離手段、６０〜６ｎはアナログ比較
器、７０と７１は増幅器制御部である。なお、各
図中同一符号は同一、又は相当分を示す。
FIG. 1 is a block diagram showing a speech level adjustment device according to one embodiment of this invention, FIG. 2 is a block diagram showing another embodiment of this invention, and FIG. 3 is a block diagram showing still another embodiment. FIG. 4 is a block diagram showing a conventional speech level adjustment device. In the figure, 1 is an input terminal, 2 and 21 to 2
n is an output terminal, 3 is an amplifier, 4 is a setting means, 5 is an AC/DC separation means, 60 to 6n are analog comparators, and 70 and 71 are amplifier control sections. Note that the same reference numerals in each figure indicate the same or equivalent parts.
Claims (1)
るＡＣ／ＤＣ分離手段、このＡＣ／ＤＣ分離手段
のＤＣ分と設定済のレベルとを比較するアナログ
比較器、通話レベルを設定する増幅器、上記アナ
ログ比較器の出力により上記増幅器の出力レベル
を制御する増幅器制御部を備えたことを特徴とす
る通話レベル調整装置。 AC/DC separating means for separating a DC bias signal into a direct current component and an alternating current component; an analog comparator for comparing the DC component of the AC/DC separating means with a preset level; an amplifier for setting a speech level; A speech level adjustment device comprising an amplifier control section that controls the output level of the amplifier based on the output of the comparator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7754290U JPH0436351U (en) | 1990-07-20 | 1990-07-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7754290U JPH0436351U (en) | 1990-07-20 | 1990-07-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0436351U true JPH0436351U (en) | 1992-03-26 |
Family
ID=31620028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7754290U Pending JPH0436351U (en) | 1990-07-20 | 1990-07-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0436351U (en) |
-
1990
- 1990-07-20 JP JP7754290U patent/JPH0436351U/ja active Pending