FR948331A - Frequency modulator - Google Patents
Frequency modulatorInfo
- Publication number
- FR948331A FR948331A FR948331DA FR948331A FR 948331 A FR948331 A FR 948331A FR 948331D A FR948331D A FR 948331DA FR 948331 A FR948331 A FR 948331A
- Authority
- FR
- France
- Prior art keywords
- frequency modulator
- modulator
- frequency
- 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
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/10—Angle modulation by means of variable impedance
- H03C3/24—Angle modulation by means of variable impedance by means of a variable resistive element, e.g. tube
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US679103A US2530937A (en) | 1946-06-25 | 1946-06-25 | Frequency modulator |
Publications (1)
Publication Number | Publication Date |
---|---|
FR948331A true FR948331A (en) | 1949-07-28 |
Family
ID=24725563
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR948331D Expired FR948331A (en) | 1946-06-25 | 1947-06-24 | Frequency modulator |
Country Status (4)
Country | Link |
---|---|
US (1) | US2530937A (en) |
BE (1) | BE474098A (en) |
FR (1) | FR948331A (en) |
GB (1) | GB628901A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE977095C (en) * | 1950-03-07 | 1965-01-28 | Siemens Ag | Electrical two-pole in a circuit for frequency modulation, frequency adjustment or the adjustment of measuring bridge arrangements |
DE977690C (en) * | 1950-03-07 | 1968-05-22 | Siemens Ag | Electrical two-pole, the reactance value of which can be changed by a control variable |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2749310A (en) * | 1954-09-03 | 1956-06-05 | Shell Dev | Lubricating compositions |
US3020493A (en) * | 1959-02-27 | 1962-02-06 | Hughes Aircraft Co | Frequency modulation circuit |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2296962A (en) * | 1939-12-22 | 1942-09-29 | Rca Corp | Frequency modulation |
US2354799A (en) * | 1940-07-26 | 1944-08-01 | Rca Corp | Phase modulation |
US2436834A (en) * | 1942-11-17 | 1948-03-02 | Edwin K Stodola | Phase and frequency modulation |
US2374000A (en) * | 1943-03-06 | 1945-04-17 | Rca Corp | Phase modulator |
US2430126A (en) * | 1943-08-25 | 1947-11-04 | Rca Corp | Phase modulation |
-
0
- BE BE474098D patent/BE474098A/xx unknown
-
1946
- 1946-06-25 US US679103A patent/US2530937A/en not_active Expired - Lifetime
-
1947
- 1947-05-21 GB GB13661/47A patent/GB628901A/en not_active Expired
- 1947-06-24 FR FR948331D patent/FR948331A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE977095C (en) * | 1950-03-07 | 1965-01-28 | Siemens Ag | Electrical two-pole in a circuit for frequency modulation, frequency adjustment or the adjustment of measuring bridge arrangements |
DE977690C (en) * | 1950-03-07 | 1968-05-22 | Siemens Ag | Electrical two-pole, the reactance value of which can be changed by a control variable |
Also Published As
Publication number | Publication date |
---|---|
US2530937A (en) | 1950-11-21 |
GB628901A (en) | 1949-09-07 |
BE474098A (en) |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR950897A (en) | Magnetron | |
FR948331A (en) | Frequency modulator | |
FR947820A (en) | Radiobulse transmitter | |
FR953182A (en) | Scraper | |
AT174006B (en) | Firngglider | |
FR1004214A (en) | Frequency modulator | |
FR984507A (en) | Frequency modulator | |
FR947557A (en) | Lid | |
FR919745A (en) | Alpha-alkyl-para-alkyl-styrenes dimerization | |
FR1001188A (en) | Stirrer | |
FR938423A (en) | Standard frequency generator | |
FR952246A (en) | Modulator circuit | |
GR10843B (en) | VARIOUS FREQUENCY PYEZOELECTIC SILICONE. | |
FR936730A (en) | Lid | |
ES13627Y (en) | Box-container | |
ES13448Y (en) | Espadrille-boot | |
AT177570B (en) | Episcope | |
ES13495Y (en) | Espadrille | |
FI21655A (en) | Elektrisk säkerhetspropp | |
FI21548A (en) | Trycksmörjspruta | |
FI21447A (en) | Rostskyddsfärg | |
FI21486A (en) | Skidbindning | |
FI21505A (en) | Amplitudebegränsare | |
FI21454A (en) | Friskluftventil | |
FI21397A (en) | Skorstensstöd |