CH266765A - Vorrichtung zum Detektieren frequenzmodulierter Signale. - Google Patents
Vorrichtung zum Detektieren frequenzmodulierter Signale.Info
- Publication number
- CH266765A CH266765A CH266765DA CH266765A CH 266765 A CH266765 A CH 266765A CH 266765D A CH266765D A CH 266765DA CH 266765 A CH266765 A CH 266765A
- Authority
- CH
- Switzerland
- Prior art keywords
- modulated signals
- detecting frequency
- detecting
- frequency
- modulated
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
- H03D3/22—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by means of active elements with more than two electrodes to which two signals are applied derived from the signal to be demodulated and having a phase difference related to the frequency deviation, e.g. phase detector
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
- H01J19/02—Electron-emitting electrodes; Cathodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J21/00—Vacuum tubes
- H01J21/02—Tubes with a single discharge path
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Particle Accelerators (AREA)
- Microwave Tubes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL266765X | 1947-09-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH266765A true CH266765A (de) | 1950-02-15 |
Family
ID=19781765
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH266765D CH266765A (de) | 1947-09-03 | 1948-09-01 | Vorrichtung zum Detektieren frequenzmodulierter Signale. |
Country Status (7)
Country | Link |
---|---|
US (1) | US2760067A (de) |
BE (1) | BE484647A (de) |
CH (1) | CH266765A (de) |
DE (1) | DE826760C (de) |
FR (1) | FR988495A (de) |
GB (1) | GB679176A (de) |
NL (1) | NL71107C (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE969436C (de) * | 1951-04-26 | 1958-06-04 | Lorenz C Ag | Anordnung zur Demodulation frequenz- oder phasenmodulierter Schwingungen |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2086271A (en) * | 1934-07-04 | 1937-07-06 | Telefunken Gmbh | Electron discharge device |
NL45032C (de) * | 1934-12-27 | |||
NL46575C (de) * | 1935-01-31 | |||
US2090218A (en) * | 1935-06-25 | 1937-08-17 | Hygrade Sylvania Corp | Electron discharge device |
BE426298A (de) * | 1937-02-12 | |||
US2286337A (en) * | 1937-11-27 | 1942-06-16 | Telefunken Gmbh | Negative feedback circuit |
US2228980A (en) * | 1938-09-27 | 1941-01-14 | Telefunken Gmbh | Electron discharge device |
US2235498A (en) * | 1940-01-11 | 1941-03-18 | Rca Corp | Electron discharge device |
BE469561A (de) * | 1942-05-06 | |||
US2379764A (en) * | 1942-06-06 | 1945-07-03 | Rca Corp | Frequency modulation detection |
US2441254A (en) * | 1945-08-04 | 1948-05-11 | Remco Electronic Inc | Symmetrical space charge tube |
US2460062A (en) * | 1945-11-23 | 1949-01-25 | Philco Corp | Grid controlled electron tube |
-
0
- BE BE484647D patent/BE484647A/xx unknown
- NL NL71107D patent/NL71107C/xx active
-
1948
- 1948-08-31 GB GB22915/48A patent/GB679176A/en not_active Expired
- 1948-09-01 FR FR988495D patent/FR988495A/fr not_active Expired
- 1948-09-01 CH CH266765D patent/CH266765A/de unknown
- 1948-12-24 DE DEP26500D patent/DE826760C/de not_active Expired
-
1951
- 1951-10-15 US US251351A patent/US2760067A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE969436C (de) * | 1951-04-26 | 1958-06-04 | Lorenz C Ag | Anordnung zur Demodulation frequenz- oder phasenmodulierter Schwingungen |
Also Published As
Publication number | Publication date |
---|---|
FR988495A (fr) | 1951-08-28 |
GB679176A (en) | 1952-09-17 |
BE484647A (de) | |
US2760067A (en) | 1956-08-21 |
NL71107C (de) | |
DE826760C (de) | 1952-01-03 |
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