FR1169917A - Perfectionnements aux radiorécepteurs - Google Patents
Perfectionnements aux radiorécepteursInfo
- Publication number
- FR1169917A FR1169917A FR1169917DA FR1169917A FR 1169917 A FR1169917 A FR 1169917A FR 1169917D A FR1169917D A FR 1169917DA FR 1169917 A FR1169917 A FR 1169917A
- Authority
- FR
- France
- Prior art keywords
- radioreceptors
- Prior art date
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/26—Circuits for superheterodyne receivers
- H04B1/28—Circuits for superheterodyne receivers the receiver comprising at least one semiconductor device having three or more electrodes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/12—Transference of modulation from one carrier to another, e.g. frequency-changing by means of semiconductor devices having more than two electrodes
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Superheterodyne Receivers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1093834X | 1957-03-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1169917A true FR1169917A (fr) | 1959-01-07 |
Family
ID=9616728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1169917D Expired FR1169917A (fr) | 1957-03-21 | 1957-03-21 | Perfectionnements aux radiorécepteurs |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE1093834B (fr) |
| FR (1) | FR1169917A (fr) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2764674A (en) * | 1955-03-17 | 1956-09-25 | Rca Corp | Transistor receiver oscillator injection using capacitance between stators of gang capacitor |
-
1957
- 1957-03-21 FR FR1169917D patent/FR1169917A/fr not_active Expired
-
1958
- 1958-03-18 DE DEN16972A patent/DE1093834B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1093834B (de) | 1960-12-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR1178244A (fr) | Perfectionnement aux supports télescopiques | |
| FR1176766A (fr) | Perfectionnement aux courroies trapézoïdales | |
| FR1168829A (fr) | Perfectionnement aux lustreuses | |
| FR1181029A (fr) | Perfectionnements aux mécanismes différentiels | |
| FR1214229A (fr) | Thermosensibilisateurs | |
| AT199309B (de) | Tragplane | |
| FR1186254A (fr) | Décavaillonneuse-valseuse | |
| FR72628E (fr) | Perfectionnement aux moto-faucheuses | |
| FR1188119A (fr) | Perfectionnement aux coronelles de moulinage | |
| FR1178157A (fr) | Perfectionnements aux portiques | |
| FR1189036A (fr) | Bilame | |
| FI29264A (fi) | Klädesplagg | |
| FI29296A (fi) | Taktäckningsförfarande | |
| FI35546A (fi) | Oljetätt kul- eller rullager | |
| FR1181228A (fr) | Perfectionnement aux berceaux alsaciens | |
| FR71866E (fr) | Perfectionnements aux aciers spéciaux | |
| FR1204437A (fr) | Perfectionnements aux aciers spéciaux | |
| FR1185156A (fr) | Perfectionnement aux porte-mines | |
| FR1246148A (fr) | Perfectionnement aux turbo-coupleurs hydrauliques | |
| FR1233516A (fr) | Perfectionnement aux transistrons | |
| FR1180641A (fr) | Perfectionnement aux escaliers mécaniques | |
| FR1174573A (fr) | Perfectionnement aux pétrins mécaniques | |
| FR1180490A (fr) | Perfectionnements aux paliers | |
| FR1175572A (fr) | Perfectionnement aux tables vibrantes | |
| ES61091Y (es) | Faja-braga reductora |