BE728367A - - Google Patents
Info
- Publication number
- BE728367A BE728367A BE728367DA BE728367A BE 728367 A BE728367 A BE 728367A BE 728367D A BE728367D A BE 728367DA BE 728367 A BE728367 A BE 728367A
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Superheterodyne Receivers (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Circuits Of Receivers In General (AREA)
- Control Of Amplification And Gain Control (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US70970368A | 1968-03-01 | 1968-03-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE728367A true BE728367A (zh) | 1969-07-16 |
Family
ID=24851000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE728367D BE728367A (zh) | 1968-03-01 | 1969-02-13 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3548315A (zh) |
| BE (1) | BE728367A (zh) |
| DE (1) | DE1909974C3 (zh) |
| ES (1) | ES364172A1 (zh) |
| FR (1) | FR2002979A1 (zh) |
| GB (1) | GB1238009A (zh) |
| NL (1) | NL157165B (zh) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3662271A (en) * | 1969-07-07 | 1972-05-09 | Standard Kollsman Ind Inc | Solid state television tuner |
| US3688198A (en) * | 1971-04-14 | 1972-08-29 | Rca Corp | Vhf and uhf automatic gain control circuitry derived from a single control voltage |
| DE3115683C2 (de) * | 1981-04-18 | 1983-07-28 | Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen | Schaltungsanordnung zur verzögerten, automatischen Verstärkungsregelung |
| US4411019A (en) * | 1982-01-25 | 1983-10-18 | Zenith Radio Corporation | AGC System for television receivers |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2105641A (en) * | 1935-05-03 | 1938-01-18 | Rca Corp | Automatic volume control circuit |
-
1968
- 1968-03-01 US US709703A patent/US3548315A/en not_active Expired - Lifetime
-
1969
- 1969-02-13 BE BE728367D patent/BE728367A/xx not_active IP Right Cessation
- 1969-02-24 FR FR6904675A patent/FR2002979A1/fr active Granted
- 1969-02-27 DE DE1909974A patent/DE1909974C3/de not_active Expired
- 1969-02-27 ES ES364172A patent/ES364172A1/es not_active Expired
- 1969-02-28 NL NL6903146.A patent/NL157165B/xx not_active IP Right Cessation
- 1969-02-28 GB GB1238009D patent/GB1238009A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL6903146A (zh) | 1969-09-03 |
| US3548315A (en) | 1970-12-15 |
| ES364172A1 (es) | 1971-02-01 |
| DE1909974A1 (de) | 1969-09-25 |
| FR2002979B1 (zh) | 1974-02-22 |
| FR2002979A1 (fr) | 1969-11-07 |
| NL157165B (nl) | 1978-06-15 |
| DE1909974C3 (de) | 1979-07-05 |
| DE1909974B2 (de) | 1975-11-13 |
| GB1238009A (zh) | 1971-07-07 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: RADIO CORP. OF AMERICA Effective date: 19840213 |