BR7408326D0 - Sistema transladador de sinal de audio aperfeicoado - Google Patents
Sistema transladador de sinal de audio aperfeicoadoInfo
- Publication number
- BR7408326D0 BR7408326D0 BR8326/74A BR832674A BR7408326D0 BR 7408326 D0 BR7408326 D0 BR 7408326D0 BR 8326/74 A BR8326/74 A BR 8326/74A BR 832674 A BR832674 A BR 832674A BR 7408326 D0 BR7408326 D0 BR 7408326D0
- Authority
- BR
- Brazil
- Prior art keywords
- perfected
- audio signal
- signal translator
- translator system
- audio
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G5/00—Tone control or bandwidth control in amplifiers
- H03G5/02—Manually-operated control
- H03G5/04—Manually-operated control in untuned amplifiers
- H03G5/10—Manually-operated control in untuned amplifiers having semiconductor devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0017—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier
- H03G1/0023—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier in emitter-coupled or cascode amplifiers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMSÂ
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
- H04S7/307—Frequency adjustment, e.g. tone control
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00404554A US3849601A (en) | 1973-10-09 | 1973-10-09 | Volume and tone controls for multichannel audio systems |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7408326D0 true BR7408326D0 (pt) | 1975-09-16 |
Family
ID=23600066
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8326/74A BR7408326D0 (pt) | 1973-10-09 | 1974-10-08 | Sistema transladador de sinal de audio aperfeicoado |
Country Status (8)
Country | Link |
---|---|
US (1) | US3849601A (pt) |
JP (1) | JPS5345275B2 (pt) |
BR (1) | BR7408326D0 (pt) |
CA (1) | CA1003758A (pt) |
DE (1) | DE2448174A1 (pt) |
FR (1) | FR2247016B1 (pt) |
GB (1) | GB1461187A (pt) |
IT (1) | IT1019459B (pt) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3937885A (en) * | 1974-09-06 | 1976-02-10 | Motorola, Inc. | Control circuit for a matrixed four channel audio reproducing system |
US4063032A (en) * | 1976-03-16 | 1977-12-13 | John C. Bogue | Constant power balance controls for stereophonic and quadraphonic sound systems |
JPS5313860A (en) * | 1976-07-23 | 1978-02-07 | Pioneer Electronic Corp | Tone control device |
US4076959A (en) * | 1976-10-08 | 1978-02-28 | General Motors Corporation | Volume, tone and balance control for multi-channel audio systems |
US4198603A (en) * | 1978-09-22 | 1980-04-15 | General Motors Corporation | Radio receiver audio attenuator |
US4320534A (en) * | 1979-10-25 | 1982-03-16 | Toko Kabushiki Kaisha | Loudness control circuit |
US4311873A (en) * | 1980-03-10 | 1982-01-19 | Motorola, Inc. | Bias control circuit and method for use in audio reproduction system or the like |
US4404527A (en) * | 1980-11-03 | 1983-09-13 | General Motors Corporation | Bridge audio amplifier including low level fade control |
US4466118A (en) * | 1983-02-01 | 1984-08-14 | Motorola, Inc. | Dual range audio level control |
US5754668A (en) * | 1994-11-08 | 1998-05-19 | Rohm Co., Ltd. | Equalizer and audio device using the same |
US6281749B1 (en) | 1997-06-17 | 2001-08-28 | Srs Labs, Inc. | Sound enhancement system |
-
1973
- 1973-10-09 US US00404554A patent/US3849601A/en not_active Expired - Lifetime
-
1974
- 1974-09-23 CA CA209,815A patent/CA1003758A/en not_active Expired
- 1974-09-25 GB GB4176774A patent/GB1461187A/en not_active Expired
- 1974-10-01 IT IT53313/74A patent/IT1019459B/it active
- 1974-10-07 JP JP11480674A patent/JPS5345275B2/ja not_active Expired
- 1974-10-08 BR BR8326/74A patent/BR7408326D0/pt unknown
- 1974-10-08 FR FR7433858A patent/FR2247016B1/fr not_active Expired
- 1974-10-09 DE DE19742448174 patent/DE2448174A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS5345275B2 (pt) | 1978-12-05 |
IT1019459B (it) | 1977-11-10 |
FR2247016A1 (pt) | 1975-05-02 |
GB1461187A (en) | 1977-01-13 |
CA1003758A (en) | 1977-01-18 |
JPS5067059A (pt) | 1975-06-05 |
US3849601A (en) | 1974-11-19 |
DE2448174A1 (de) | 1975-04-24 |
FR2247016B1 (pt) | 1977-03-25 |
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