KR870011674U - 자동음량 조절회로 - Google Patents
자동음량 조절회로Info
- Publication number
- KR870011674U KR870011674U KR2019850017116U KR850017116U KR870011674U KR 870011674 U KR870011674 U KR 870011674U KR 2019850017116 U KR2019850017116 U KR 2019850017116U KR 850017116 U KR850017116 U KR 850017116U KR 870011674 U KR870011674 U KR 870011674U
- Authority
- KR
- South Korea
- Prior art keywords
- control circuit
- volume control
- automatic volume
- automatic
- circuit
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/32—Automatic control in amplifiers having semiconductor devices the control being dependent upon ambient noise level or sound level
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G7/00—Volume compression or expansion in amplifiers
- H03G7/002—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers
- H03G7/004—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers using continuously variable impedance devices
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Control Of Amplification And Gain Control (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019850017116U KR890000591Y1 (ko) | 1985-12-19 | 1985-12-19 | 자동음량 조절회로 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019850017116U KR890000591Y1 (ko) | 1985-12-19 | 1985-12-19 | 자동음량 조절회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR870011674U true KR870011674U (ko) | 1987-07-18 |
KR890000591Y1 KR890000591Y1 (ko) | 1989-03-11 |
Family
ID=19247335
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019850017116U KR890000591Y1 (ko) | 1985-12-19 | 1985-12-19 | 자동음량 조절회로 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR890000591Y1 (ko) |
-
1985
- 1985-12-19 KR KR2019850017116U patent/KR890000591Y1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR890000591Y1 (ko) | 1989-03-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
REGI | Registration of establishment | ||
FPAY | Annual fee payment |
Payment date: 19990226 Year of fee payment: 11 |
|
LAPS | Lapse due to unpaid annual fee |