JPS63106296U - - Google Patents
Info
- Publication number
- JPS63106296U JPS63106296U JP20395486U JP20395486U JPS63106296U JP S63106296 U JPS63106296 U JP S63106296U JP 20395486 U JP20395486 U JP 20395486U JP 20395486 U JP20395486 U JP 20395486U JP S63106296 U JPS63106296 U JP S63106296U
- Authority
- JP
- Japan
- Prior art keywords
- rotation speed
- control device
- detection device
- blower
- controls
- 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
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Amplifiers (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Description
第1図は本考案の一実施例を示すブロツク図で
ある。 1……アンプ内の半導体ブロツク部、2……再
生音レベル検出装置、3……フアン回転数制御装
置、4……フアン、5……スピーカ部。
ある。 1……アンプ内の半導体ブロツク部、2……再
生音レベル検出装置、3……フアン回転数制御装
置、4……フアン、5……スピーカ部。
Claims (1)
- 送風器と、その回転数を制御する制御装置と、
再生音のレベルを検出する検出装置とを有する音
響装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20395486U JPS63106296U (ja) | 1986-12-24 | 1986-12-24 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20395486U JPS63106296U (ja) | 1986-12-24 | 1986-12-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS63106296U true JPS63106296U (ja) | 1988-07-09 |
Family
ID=31169769
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP20395486U Pending JPS63106296U (ja) | 1986-12-24 | 1986-12-24 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS63106296U (ja) |
-
1986
- 1986-12-24 JP JP20395486U patent/JPS63106296U/ja active Pending
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