FR2331214B1 - - Google Patents
Info
- Publication number
- FR2331214B1 FR2331214B1 FR7610569A FR7610569A FR2331214B1 FR 2331214 B1 FR2331214 B1 FR 2331214B1 FR 7610569 A FR7610569 A FR 7610569A FR 7610569 A FR7610569 A FR 7610569A FR 2331214 B1 FR2331214 B1 FR 2331214B1
- Authority
- FR
- France
- 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
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
- 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
- H03G3/3063—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 using at least one transistor as controlling device, the transistor being used as a variable impedance device
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP50043033A JPS51117816A (en) | 1975-04-09 | 1975-04-09 | Receiver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2331214A1 FR2331214A1 (fr) | 1977-06-03 |
| FR2331214B1 true FR2331214B1 (enExample) | 1982-11-19 |
Family
ID=12652609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7610569A Granted FR2331214A1 (fr) | 1975-04-09 | 1976-04-09 | Recepteur a commande automatique de gain |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4048569A (enExample) |
| JP (1) | JPS51117816A (enExample) |
| AU (1) | AU499741B2 (enExample) |
| CA (1) | CA1082314A (enExample) |
| DE (1) | DE2615383A1 (enExample) |
| FR (1) | FR2331214A1 (enExample) |
| GB (1) | GB1528284A (enExample) |
| NL (1) | NL189637C (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5917861B2 (ja) * | 1976-12-17 | 1984-04-24 | 京王技研工業株式会社 | 可変インピ−ダンス回路用ｉｃ |
| JPS5729368Y2 (enExample) * | 1977-02-10 | 1982-06-28 | ||
| US4241453A (en) * | 1978-10-19 | 1980-12-23 | Harlan Drake | Citizens band radio receiver with squelch control |
| US4471311A (en) * | 1981-04-10 | 1984-09-11 | Pioneer Electronic Corporation | Detector circuit having AGC function |
| JPS60182812A (ja) * | 1984-02-29 | 1985-09-18 | Rohm Co Ltd | 自動利得調整回路 |
| CA1218119A (en) * | 1984-03-15 | 1987-02-17 | Andrey Polischuk | Overload protector |
| EP2930647B1 (en) * | 2014-04-11 | 2018-08-08 | Nxp B.V. | Contactless communication device with receiver input voltage stabilization |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2279128A (en) * | 1939-05-09 | 1942-04-07 | Nat Geophysical Company | Signal control |
| US2949533A (en) * | 1959-04-17 | 1960-08-16 | Collins Radio Co | Automatic gain control circuit for use in transistor amplifiers |
| US3303428A (en) * | 1964-01-28 | 1967-02-07 | Aircraft Radio Corp | Manual or automatic transistor r. f. gain control system utilizing a voltage controlled variable resistance element |
| DE1616591A1 (de) * | 1965-02-23 | 1971-05-27 | Telefunken Patent | Schaltungsanordnung zur selbsttaetigen Verstaerkungsregelung eines Transistorempfaengers |
| US3490046A (en) * | 1967-04-05 | 1970-01-13 | Electrohome Ltd | Automatic gain control and overload protection for signal receiving systems |
| DE1562086A1 (de) * | 1968-01-27 | 1970-03-05 | Sennheiser Electronic | Mikrofon mit Dynamikregler |
| US3571719A (en) * | 1968-12-13 | 1971-03-23 | Motorola Inc | Overload compensation circuit for antenna tuning system |
| DE1927610B2 (de) * | 1969-05-30 | 1975-01-09 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Signalschaltung unter Verwendung eines Feldeffekttransistors |
| GB1410592A (en) * | 1971-10-04 | 1975-10-22 | Dolby Laboratories Inc | Controlled impedance devices |
-
1975
- 1975-04-09 JP JP50043033A patent/JPS51117816A/ja active Pending
-
1976
- 1976-03-29 US US05/671,393 patent/US4048569A/en not_active Expired - Lifetime
- 1976-03-31 AU AU12503/76A patent/AU499741B2/en not_active Expired
- 1976-03-31 GB GB13038/76A patent/GB1528284A/en not_active Expired
- 1976-03-31 CA CA249,305A patent/CA1082314A/en not_active Expired
- 1976-04-08 DE DE19762615383 patent/DE2615383A1/de not_active Ceased
- 1976-04-09 FR FR7610569A patent/FR2331214A1/fr active Granted
- 1976-04-09 NL NLAANVRAGE7603761,A patent/NL189637C/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JPS51117816A (en) | 1976-10-16 |
| FR2331214A1 (fr) | 1977-06-03 |
| NL189637B (nl) | 1993-01-04 |
| CA1082314A (en) | 1980-07-22 |
| NL7603761A (nl) | 1976-10-12 |
| AU499741B2 (en) | 1979-05-03 |
| NL189637C (nl) | 1993-06-01 |
| DE2615383A1 (de) | 1976-10-21 |
| AU1250376A (en) | 1977-10-06 |
| US4048569A (en) | 1977-09-13 |
| GB1528284A (en) | 1978-10-11 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |