BE676882A - - Google Patents
Info
- Publication number
- BE676882A BE676882A BE676882DA BE676882A BE 676882 A BE676882 A BE 676882A BE 676882D A BE676882D A BE 676882DA BE 676882 A BE676882 A BE 676882A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
- H03G3/3068—Circuits generating control signals for both R.F. and I.F. stages
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/52—Automatic gain control
- H04N5/53—Keyed automatic gain control
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Control Of Amplification And Gain Control (AREA)
- Circuits Of Receivers In General (AREA)
- Amplifiers (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Television Receiver Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US434873A US3414820A (en) | 1965-02-24 | 1965-02-24 | Delayed agc system utilizing the plateau region of an amplifier transistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE676882A true BE676882A (US08088918-20120103-C00476.png) | 1966-07-18 |
Family
ID=23726052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE676882D BE676882A (US08088918-20120103-C00476.png) | 1965-02-24 | 1966-02-22 |
Country Status (9)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3541454A (en) * | 1967-09-28 | 1970-11-17 | Gen Electric | Automatic gain control for hybrid receiver |
| US3609234A (en) * | 1968-04-08 | 1971-09-28 | Victor Company Of Japan | Delayed agc circuit |
| US20030126620A1 (en) * | 2001-12-31 | 2003-07-03 | Toshio Hayakawa | Multimedia display system using display unit of portable computer, and signal receiver for television, radio, and wireless telephone |
| US20030137609A1 (en) * | 2001-12-31 | 2003-07-24 | Toshio Hayakawa | Multimedia system using plasma or liquid crystal display, display system of portable computer, and signal receiver for television, radio, and cellular telephone |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2520012A (en) * | 1948-01-08 | 1950-08-22 | Philco Corp | Negative bias limiter for automatic gain control circuits |
| US3192316A (en) * | 1960-10-19 | 1965-06-29 | Gen Electric | Automatic gain control circuit with optimum delayed and amplified a. g. c. for r. f.stage |
| US3084216A (en) * | 1961-03-02 | 1963-04-02 | Hazeltine Research Inc | Automatic-gain-control system |
| US3205444A (en) * | 1962-10-19 | 1965-09-07 | Motorola Inc | Automatic gain control circuit with signal overload prevention |
| US3341780A (en) * | 1964-02-03 | 1967-09-12 | Motorola Inc | Delayed automatic gain control system utilizing the plateau region of an amplifier transistor |
-
1965
- 1965-02-24 US US434873A patent/US3414820A/en not_active Expired - Lifetime
-
1966
- 1966-01-27 GB GB3811/66A patent/GB1135593A/en not_active Expired
- 1966-02-11 DE DE1491986A patent/DE1491986C3/de not_active Expired
- 1966-02-22 BE BE676882D patent/BE676882A/xx not_active IP Right Cessation
- 1966-02-22 ES ES0323378A patent/ES323378A1/es not_active Expired
- 1966-02-23 SE SE02335/66A patent/SE351099B/xx unknown
- 1966-02-24 JP JP41011506A patent/JPS4843466B1/ja active Pending
- 1966-02-24 NL NL666602438A patent/NL153041B/xx not_active IP Right Cessation
- 1966-02-24 AT AT173866A patent/AT284923B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE1491986A1 (de) | 1972-03-02 |
| JPS4843466B1 (US08088918-20120103-C00476.png) | 1973-12-19 |
| US3414820A (en) | 1968-12-03 |
| SE351099B (US08088918-20120103-C00476.png) | 1972-11-13 |
| GB1135593A (en) | 1968-12-04 |
| AT284923B (de) | 1970-10-12 |
| DE1491986B2 (de) | 1974-11-07 |
| ES323378A1 (es) | 1967-01-01 |
| NL6602438A (US08088918-20120103-C00476.png) | 1966-08-25 |
| DE1491986C3 (de) | 1979-01-11 |
| NL153041B (nl) | 1977-04-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: RADIO CORP. OF AMERICA Effective date: 19850222 |