JPH01113411U - - Google Patents
Info
- Publication number
- JPH01113411U JPH01113411U JP730788U JP730788U JPH01113411U JP H01113411 U JPH01113411 U JP H01113411U JP 730788 U JP730788 U JP 730788U JP 730788 U JP730788 U JP 730788U JP H01113411 U JPH01113411 U JP H01113411U
- Authority
- JP
- Japan
- Prior art keywords
- speaker
- speaker device
- volume level
- decreasing
- increasing
- 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
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Landscapes
- Control Of Amplification And Gain Control (AREA)
Description
第１図は本考案の一実施例のスピーカ装置を示
すブロツク図、第２図は第１図のスピーカ装置の
流れ図、第３図は第１図のスピーカ装置のスピー
カ音量レベルを決定させる判定回路の中の一例の
増幅音量レベル曲線を示す特性図である。 １……増幅回路、２……スピーカ、３……判定
回路。
すブロツク図、第２図は第１図のスピーカ装置の
流れ図、第３図は第１図のスピーカ装置のスピー
カ音量レベルを決定させる判定回路の中の一例の
増幅音量レベル曲線を示す特性図である。 １……増幅回路、２……スピーカ、３……判定
回路。
Claims (1)
- 外部音量レベルに応じて、スピーカ音量を増減
幅する手段を備えていることを特徴とするスピー
カ装置。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP730788U JPH01113411U (ja) | 1988-01-22 | 1988-01-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP730788U JPH01113411U (ja) | 1988-01-22 | 1988-01-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01113411U true JPH01113411U (ja) | 1989-07-31 |
Family
ID=31212206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP730788U Pending JPH01113411U (ja) | 1988-01-22 | 1988-01-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01113411U (ja) |
-
1988
- 1988-01-22 JP JP730788U patent/JPH01113411U/ja active Pending