FI753370A - - Google Patents
Info
- Publication number
- FI753370A FI753370A FI753370A FI753370A FI753370A FI 753370 A FI753370 A FI 753370A FI 753370 A FI753370 A FI 753370A FI 753370 A FI753370 A FI 753370A FI 753370 A FI753370 A FI 753370A
- Authority
- FI
- Finland
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/02—Manually-operated control
- H03G3/04—Manually-operated control in untuned amplifiers
- H03G3/10—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
- H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
- H03G1/0052—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using diodes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/68—Circuits for processing colour signals for controlling the amplitude of colour signals, e.g. automatic chroma control circuits
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Processing Of Color Television Signals (AREA)
- Amplifiers (AREA)
- Control Of Amplification And Gain Control (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/530,405 US3970948A (en) | 1974-12-06 | 1974-12-06 | Controller gain signal amplifier |
| US05/607,489 US3999141A (en) | 1974-12-06 | 1975-08-25 | Controllable gain signal amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FI753370A true FI753370A (ru) | 1976-06-07 |
Family
ID=27063257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI753370A FI753370A (ru) | 1974-12-06 | 1975-11-28 |
Country Status (13)
| Country | Link |
|---|---|
| US (2) | US3970948A (ru) |
| JP (1) | JPS5183455A (ru) |
| AT (1) | AT352800B (ru) |
| AU (1) | AU497506B2 (ru) |
| BE (1) | BE836242A (ru) |
| CA (2) | CA1038048A (ru) |
| DE (1) | DE2554880B2 (ru) |
| FI (1) | FI753370A (ru) |
| FR (1) | FR2293843A1 (ru) |
| GB (1) | GB1524715A (ru) |
| IT (1) | IT1044102B (ru) |
| NL (1) | NL7514219A (ru) |
| SE (1) | SE413065B (ru) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5320844A (en) * | 1976-08-11 | 1978-02-25 | Hitachi Ltd | Gain control circuit |
| US4155047A (en) * | 1978-01-11 | 1979-05-15 | Baskind David Lee | Voltage controlled attenuator |
| US4318051A (en) * | 1980-01-15 | 1982-03-02 | Rca Corporation | Symmetrically gain controlled differential amplifier |
| US4404429A (en) * | 1981-05-07 | 1983-09-13 | Rca Corporation | Matching volume control characteristics for two channels |
| US4426625A (en) * | 1981-08-27 | 1984-01-17 | Rca Corporation | Circuit for linearly gain controlling a differential amplifier |
| JP4042736B2 (ja) * | 2004-02-19 | 2008-02-06 | ソニー株式会社 | 画像処理装置及び画像処理方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3649847A (en) * | 1970-10-30 | 1972-03-14 | Rca Corp | Electrically controlled attenuation and phase shift circuitry |
| JPS523528B1 (ru) * | 1971-03-05 | 1977-01-28 | ||
| US3757240A (en) * | 1972-03-15 | 1973-09-04 | Hewlett Packard Co | Active attenuator |
| US3740462A (en) * | 1972-04-10 | 1973-06-19 | Rca Corp | Automatic chroma gain control system |
| JPS5620724B2 (ru) * | 1972-07-27 | 1981-05-15 | ||
| US3750042A (en) * | 1972-08-21 | 1973-07-31 | Gen Electric | Amplifier of controllable gain |
| US3875522A (en) * | 1973-04-13 | 1975-04-01 | Signetics Corp | Integrated direct-coupled electronic attenuator |
| US3887938A (en) * | 1974-03-18 | 1975-06-03 | Motorola Inc | IC color demodulator with single external picture control |
-
1974
- 1974-12-06 US US05/530,405 patent/US3970948A/en not_active Expired - Lifetime
-
1975
- 1975-08-25 US US05/607,489 patent/US3999141A/en not_active Expired - Lifetime
- 1975-10-30 GB GB44953/75A patent/GB1524715A/en not_active Expired
- 1975-10-31 IT IT28891/75A patent/IT1044102B/it active
- 1975-11-26 CA CA240,523A patent/CA1038048A/en not_active Expired
- 1975-11-28 FI FI753370A patent/FI753370A/fi not_active Application Discontinuation
- 1975-11-28 SE SE7513451A patent/SE413065B/xx unknown
- 1975-12-01 AU AU87133/75A patent/AU497506B2/en not_active Expired
- 1975-12-02 FR FR7536875A patent/FR2293843A1/fr active Pending
- 1975-12-03 BE BE162420A patent/BE836242A/xx unknown
- 1975-12-05 AT AT925675A patent/AT352800B/de not_active IP Right Cessation
- 1975-12-05 JP JP50145863A patent/JPS5183455A/ja active Pending
- 1975-12-05 NL NL7514219A patent/NL7514219A/xx not_active Application Discontinuation
- 1975-12-05 DE DE2554880A patent/DE2554880B2/de not_active Withdrawn
-
1976
- 1976-05-20 CA CA252,984A patent/CA1037571A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| SE7513451L (sv) | 1976-06-08 |
| SE413065B (sv) | 1980-03-31 |
| IT1044102B (it) | 1980-03-20 |
| BE836242A (fr) | 1976-04-01 |
| NL7514219A (nl) | 1976-06-09 |
| CA1038048A (en) | 1978-09-05 |
| AU497506B2 (en) | 1978-12-14 |
| AU8713375A (en) | 1977-06-09 |
| DE2554880A1 (de) | 1976-06-10 |
| JPS5183455A (ru) | 1976-07-22 |
| FR2293843A1 (fr) | 1976-07-02 |
| ATA925675A (de) | 1979-03-15 |
| US3970948A (en) | 1976-07-20 |
| US3999141A (en) | 1976-12-21 |
| AT352800B (de) | 1979-10-10 |
| CA1037571A (en) | 1978-08-29 |
| DE2554880B2 (de) | 1980-08-21 |
| GB1524715A (en) | 1978-09-13 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FD | Application lapsed |
Owner name: RCA CORPORATION |