DE3581689D1 - Variable anhebungsschaltung. - Google Patents
Variable anhebungsschaltung.Info
- Publication number
- DE3581689D1 DE3581689D1 DE8585307508T DE3581689T DE3581689D1 DE 3581689 D1 DE3581689 D1 DE 3581689D1 DE 8585307508 T DE8585307508 T DE 8585307508T DE 3581689 T DE3581689 T DE 3581689T DE 3581689 D1 DE3581689 D1 DE 3581689D1
- Authority
- DE
- Germany
- Prior art keywords
- variable lift
- lift circuit
- circuit
- variable
- lift
- 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.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H11/00—Networks using active elements
- H03H11/02—Multiple-port networks
- H03H11/04—Frequency selective two-port networks
- H03H11/12—Frequency selective two-port networks using amplifiers with feedback
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G5/00—Tone control or bandwidth control in amplifiers
- H03G5/16—Automatic control
- H03G5/18—Automatic control in untuned amplifiers
-
- 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
-
- 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
- H03G9/12—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices
- H03G9/18—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having semiconductor devices for tone control and volume expansion or compression
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59218238A JPH063857B2 (ja) | 1984-10-19 | 1984-10-19 | 可変エンフアシス回路 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3581689D1 true DE3581689D1 (de) | 1991-03-14 |
Family
ID=16716756
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8585307508T Expired - Lifetime DE3581689D1 (de) | 1984-10-19 | 1985-10-17 | Variable anhebungsschaltung. |
Country Status (5)
Country | Link |
---|---|
US (1) | US4629995A (de) |
EP (1) | EP0178936B1 (de) |
JP (1) | JPH063857B2 (de) |
CA (1) | CA1239876A (de) |
DE (1) | DE3581689D1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4760602A (en) * | 1986-10-21 | 1988-07-26 | Rca Licensing Corporation | Variable preemphasis/deemphasis network |
US4764967A (en) * | 1986-10-27 | 1988-08-16 | Rca Licensing Corporation | Tone control system for sampled data signals |
US7340007B2 (en) * | 2003-09-16 | 2008-03-04 | M/A-Com, Inc. | Apparatus, methods and articles of manufacture for pre-emphasis filtering of a modulated signal |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4055818A (en) * | 1976-04-09 | 1977-10-25 | Motorola, Inc. | Tone control circuit |
-
1984
- 1984-10-19 JP JP59218238A patent/JPH063857B2/ja not_active Expired - Lifetime
-
1985
- 1985-09-30 CA CA000491865A patent/CA1239876A/en not_active Expired
- 1985-10-02 US US06/782,974 patent/US4629995A/en not_active Expired - Lifetime
- 1985-10-17 DE DE8585307508T patent/DE3581689D1/de not_active Expired - Lifetime
- 1985-10-17 EP EP85307508A patent/EP0178936B1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0178936B1 (de) | 1991-02-06 |
JPS61116414A (ja) | 1986-06-03 |
CA1239876A (en) | 1988-08-02 |
EP0178936A3 (en) | 1987-08-19 |
US4629995A (en) | 1986-12-16 |
JPH063857B2 (ja) | 1994-01-12 |
EP0178936A2 (de) | 1986-04-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8328 | Change in the person/name/address of the agent |
Free format text: MITSCHERLICH, H., DIPL.-ING. KOERBER, W., DIPL.-ING. DR.RER.NAT. SCHMIDT-EVERS, J., DIPL.-ING. MELZER, W., DIPL.-ING., PAT.-ANWAELTE, 8000 MUENCHEN |
|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |