HK68884A - Compander with varying characteristics - Google Patents
Compander with varying characteristicsInfo
- Publication number
- HK68884A HK68884A HK688/84A HK68884A HK68884A HK 68884 A HK68884 A HK 68884A HK 688/84 A HK688/84 A HK 688/84A HK 68884 A HK68884 A HK 68884A HK 68884 A HK68884 A HK 68884A
- Authority
- HK
- Hong Kong
- Prior art keywords
- compander
- varying characteristics
- varying
- Prior art date
Links
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/40—Introducing phosphorus atoms or phosphorus-containing groups
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
- H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
- H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Networks Using Active Elements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2912346A DE2912346C2 (de) | 1979-03-29 | 1979-03-29 | Kompander zur Umschaltung auf unterschiedliche Kompanderkennlinien |
Publications (1)
Publication Number | Publication Date |
---|---|
HK68884A true HK68884A (en) | 1984-09-14 |
Family
ID=6066727
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK688/84A HK68884A (en) | 1979-03-29 | 1984-09-06 | Compander with varying characteristics |
Country Status (14)
Country | Link |
---|---|
US (1) | US4306202A (xx) |
JP (1) | JPS55134517A (xx) |
AR (1) | AR223516A1 (xx) |
AU (1) | AU534566B2 (xx) |
BR (1) | BR8001929A (xx) |
CA (1) | CA1137879A (xx) |
DD (1) | DD149744A1 (xx) |
DE (1) | DE2912346C2 (xx) |
GB (1) | GB2045587B (xx) |
HK (1) | HK68884A (xx) |
MY (1) | MY8500625A (xx) |
NZ (1) | NZ192864A (xx) |
SG (1) | SG22384G (xx) |
ZA (1) | ZA801869B (xx) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2950584C2 (de) * | 1979-12-15 | 1984-07-12 | Robert Bosch Gmbh, 7000 Stuttgart | Schaltungsanordnung mit steuerbarem Widerstand |
DE3047766A1 (de) * | 1980-12-18 | 1982-07-15 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Schaltung mit veraenderbarem uebertragungsmass |
US4760602A (en) * | 1986-10-21 | 1988-07-26 | Rca Licensing Corporation | Variable preemphasis/deemphasis network |
US5245229A (en) * | 1992-02-28 | 1993-09-14 | Media Vision | Digitally controlled integrated circuit anti-clipping mixer |
US7190292B2 (en) * | 1999-11-29 | 2007-03-13 | Bizjak Karl M | Input level adjust system and method |
US7027981B2 (en) | 1999-11-29 | 2006-04-11 | Bizjak Karl M | System output control method and apparatus |
US6870830B1 (en) | 2000-11-30 | 2005-03-22 | 3Com Corporation | System and method for performing messaging services using a data communications channel in a data network telephone system |
JP4923939B2 (ja) * | 2006-10-18 | 2012-04-25 | ソニー株式会社 | オーディオ再生装置 |
US8249271B2 (en) * | 2007-01-23 | 2012-08-21 | Karl M. Bizjak | Noise analysis and extraction systems and methods |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3735290A (en) * | 1972-04-18 | 1973-05-22 | Victor Company Of Japan | Compressing and/or expanding system comprising fixed and variable frequency characteristic changing circuits |
NO142768C (no) * | 1974-01-26 | 1980-10-08 | Licentia Gmbh | Kopling for automatisk dynamikk-kompresjon eller -ekspansjon |
GB1546672A (en) * | 1975-07-03 | 1979-05-31 | Sony Corp | Signal compression and expansion circuits |
-
1979
- 1979-03-29 DE DE2912346A patent/DE2912346C2/de not_active Expired
-
1980
- 1980-02-13 NZ NZ192864A patent/NZ192864A/xx unknown
- 1980-02-19 AU AU55668/80A patent/AU534566B2/en not_active Ceased
- 1980-03-13 CA CA000347592A patent/CA1137879A/en not_active Expired
- 1980-03-17 AR AR280332A patent/AR223516A1/es active
- 1980-03-19 US US06/131,846 patent/US4306202A/en not_active Expired - Lifetime
- 1980-03-26 DD DD80219946A patent/DD149744A1/de not_active IP Right Cessation
- 1980-03-28 ZA ZA00801869A patent/ZA801869B/xx unknown
- 1980-03-28 BR BR8001929A patent/BR8001929A/pt unknown
- 1980-03-28 JP JP3917680A patent/JPS55134517A/ja active Granted
- 1980-03-28 GB GB8010636A patent/GB2045587B/en not_active Expired
-
1984
- 1984-03-12 SG SG223/84A patent/SG22384G/en unknown
- 1984-09-06 HK HK688/84A patent/HK68884A/xx unknown
-
1985
- 1985-12-30 MY MY625/85A patent/MY8500625A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
SG22384G (en) | 1985-01-04 |
NZ192864A (en) | 1983-02-15 |
JPS55134517A (en) | 1980-10-20 |
GB2045587B (en) | 1983-09-14 |
AU5566880A (en) | 1980-10-02 |
AR223516A1 (es) | 1981-08-31 |
BR8001929A (pt) | 1980-11-25 |
JPS6339125B2 (xx) | 1988-08-03 |
MY8500625A (en) | 1985-12-31 |
US4306202A (en) | 1981-12-15 |
DE2912346A1 (de) | 1980-10-16 |
DD149744A1 (de) | 1981-07-22 |
DE2912346C2 (de) | 1982-08-19 |
AU534566B2 (en) | 1984-02-09 |
ZA801869B (en) | 1981-04-29 |
CA1137879A (en) | 1982-12-21 |
GB2045587A (en) | 1980-10-29 |
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