JPH01175015U - - Google Patents
Info
- Publication number
- JPH01175015U JPH01175015U JP7199888U JP7199888U JPH01175015U JP H01175015 U JPH01175015 U JP H01175015U JP 7199888 U JP7199888 U JP 7199888U JP 7199888 U JP7199888 U JP 7199888U JP H01175015 U JPH01175015 U JP H01175015U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- circuit
- control terminal
- time
- control
- 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
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Control Of Amplification And Gain Control (AREA)
- Amplifiers (AREA)
Description
第１図は本考案の実施例を示す回路図、第２図
は動作説明図、第３図は電源投入時の音量変化の
説明図である。
FIG. 1 is a circuit diagram showing an embodiment of the present invention, FIG. 2 is an explanatory diagram of the operation, and FIG. 3 is an explanatory diagram of the change in volume when the power is turned on.
Claims (1)
入後第１の時間ｔ１はゼロに保つミユート回路２
と、 該第１の時間ｔ１経過後は外部制御電圧Ｖｃま
たは一定値Ｖｔｈのいずれか低い値を上限として
該制御端子電圧Ｖａを急速に上昇させる第１の電
圧上昇回路４と、 該制御端子電圧Ｖａが該一定値Ｖｔｈを越えた
ときは該外部制御電圧Ｖｃを上限として該制御端
子電圧Ｖａを緩やかに上昇させる第２の電圧上昇
回路５と、 該第１および第２の電圧上昇回路４，５を電源
投入後第２の時間ｔ２だけ有効にする時限回路６
とを備えてなることを特徴とする出力制御回路。[Claims for Utility Model Registration] Voltage-controlled volume adjustment circuit 1, and a mute circuit 2 that maintains the control terminal voltage Va of the volume adjustment circuit 1 at zero for a first time t1 after the power is turned on.
and a first voltage increase circuit 4 that rapidly increases the control terminal voltage Va with an upper limit of the lower of the external control voltage Vc or the constant value Vth after the first time t1 elapses, and the control terminal. a second voltage increase circuit 5 that gradually increases the control terminal voltage Va with the external control voltage Vc as the upper limit when the voltage Va exceeds the certain value Vth; and the first and second voltage increase circuits 4. , 5 for a second time t2 after power-on.
An output control circuit comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7199888U JPH01175015U (en) | 1988-05-31 | 1988-05-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7199888U JPH01175015U (en) | 1988-05-31 | 1988-05-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01175015U true JPH01175015U (en) | 1989-12-13 |
Family
ID=31297177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7199888U Pending JPH01175015U (en) | 1988-05-31 | 1988-05-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01175015U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007013487A (en) * | 2005-06-29 | 2007-01-18 | Kyocera Corp | Radio communication apparatus and limit transmission power acquiring method |
| JP2007049472A (en) * | 2005-08-10 | 2007-02-22 | Sony Corp | Voice output controller and voice output control method |
-
1988
- 1988-05-31 JP JP7199888U patent/JPH01175015U/ja active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007013487A (en) * | 2005-06-29 | 2007-01-18 | Kyocera Corp | Radio communication apparatus and limit transmission power acquiring method |
| JP4554450B2 (en) * | 2005-06-29 | 2010-09-29 | 京セラ株式会社 | Wireless communication apparatus and limit transmission output acquisition method |
| US7885676B2 (en) | 2005-06-29 | 2011-02-08 | Kyocera Corporation | Wireless communication device and marginal transmission power determining method |
| JP2007049472A (en) * | 2005-08-10 | 2007-02-22 | Sony Corp | Voice output controller and voice output control method |
| JP4626441B2 (en) * | 2005-08-10 | 2011-02-09 | ソニー株式会社 | Audio output control apparatus and audio output control method |
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