KR910007982Y1 - 중저음 레벨 제어회로 - Google Patents
중저음 레벨 제어회로 Download PDFInfo
- Publication number
- KR910007982Y1 KR910007982Y1 KR2019890013787U KR890013787U KR910007982Y1 KR 910007982 Y1 KR910007982 Y1 KR 910007982Y1 KR 2019890013787 U KR2019890013787 U KR 2019890013787U KR 890013787 U KR890013787 U KR 890013787U KR 910007982 Y1 KR910007982 Y1 KR 910007982Y1
- Authority
- KR
- South Korea
- Prior art keywords
- bass
- signal
- pass filter
- low pass
- output
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G7/00—Volume compression or expansion in amplifiers
- H03G7/06—Volume compression or expansion in amplifiers having semiconductor devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G5/00—Tone control or bandwidth control in amplifiers
- H03G5/16—Automatic control
- H03G5/165—Equalizers; Volume or gain control in limited frequency bands
Landscapes
- Stereophonic System (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Circuit For Audible Band Transducer (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019890013787U KR910007982Y1 (ko) | 1989-09-19 | 1989-09-19 | 중저음 레벨 제어회로 |
US07/516,556 US5175770A (en) | 1989-09-19 | 1990-04-30 | Level control circuit for low and medium sound |
JP1990054529U JPH0635544Y2 (ja) | 1989-09-19 | 1990-05-24 | 中低音レベルの制御回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019890013787U KR910007982Y1 (ko) | 1989-09-19 | 1989-09-19 | 중저음 레벨 제어회로 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR910006497U KR910006497U (ko) | 1991-04-25 |
KR910007982Y1 true KR910007982Y1 (ko) | 1991-10-10 |
Family
ID=19290175
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019890013787U KR910007982Y1 (ko) | 1989-09-19 | 1989-09-19 | 중저음 레벨 제어회로 |
Country Status (3)
Country | Link |
---|---|
US (1) | US5175770A (US06633600-20031014-M00021.png) |
JP (1) | JPH0635544Y2 (US06633600-20031014-M00021.png) |
KR (1) | KR910007982Y1 (US06633600-20031014-M00021.png) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69227681T2 (de) * | 1992-07-31 | 1999-06-10 | Aphex Systems Ltd | Anordnung zur Anhebung der Bassfrequenz eines Audiosignals |
US5579404A (en) * | 1993-02-16 | 1996-11-26 | Dolby Laboratories Licensing Corporation | Digital audio limiter |
AUPO862197A0 (en) | 1997-08-15 | 1997-09-11 | Leisuretech Electronics Pty Ltd | A distributed stereo system |
US20030035556A1 (en) * | 1997-11-18 | 2003-02-20 | Jerry Curtis | Audio distribution system |
US6389139B1 (en) | 1997-11-18 | 2002-05-14 | Dana Innovations | Powered volume control for distributed audio system |
US6823072B1 (en) * | 1997-12-08 | 2004-11-23 | Thomson Licensing S.A. | Peak to peak signal detector for audio system |
WO1999030534A1 (en) * | 1997-12-08 | 1999-06-17 | Thomson Licensing S.A. | Peak to peak signal detector for audio system |
JP3324525B2 (ja) * | 1998-10-01 | 2002-09-17 | 株式会社村田製作所 | 3dウーハ駆動回路 |
TWI311892B (en) * | 2006-08-17 | 2009-07-01 | High Tech Comp Corp | Audio signal processing method and related device |
JP5407745B2 (ja) * | 2009-10-22 | 2014-02-05 | 株式会社Jvcケンウッド | オーディオ再生装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3668532A (en) * | 1971-01-25 | 1972-06-06 | Sperry Rand Corp | Peak detection system |
US4182930A (en) * | 1978-03-10 | 1980-01-08 | Dbx Inc. | Detection and monitoring device |
JPS56130400U (US06633600-20031014-M00021.png) * | 1980-03-04 | 1981-10-03 | ||
US4982435A (en) * | 1987-04-17 | 1991-01-01 | Sanyo Electric Co., Ltd. | Automatic loudness control circuit |
JPS6460200A (en) * | 1987-08-31 | 1989-03-07 | Yamaha Corp | Stereoscopic signal processing circuit |
US4984273A (en) * | 1988-11-21 | 1991-01-08 | Bose Corporation | Enhancing bass |
-
1989
- 1989-09-19 KR KR2019890013787U patent/KR910007982Y1/ko not_active IP Right Cessation
-
1990
- 1990-04-30 US US07/516,556 patent/US5175770A/en not_active Expired - Lifetime
- 1990-05-24 JP JP1990054529U patent/JPH0635544Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5175770A (en) | 1992-12-29 |
JPH0635544Y2 (ja) | 1994-09-14 |
JPH0348916U (US06633600-20031014-M00021.png) | 1991-05-13 |
KR910006497U (ko) | 1991-04-25 |
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Legal Events
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E701 | Decision to grant or registration of patent right | ||
REGI | Registration of establishment | ||
FPAY | Annual fee payment |
Payment date: 20030929 Year of fee payment: 13 |
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EXPY | Expiration of term |