BE484647A - - Google Patents

Info

Publication number: BE484647A
Authority: BE; Belgium

Application number

Priority date (The priority date 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 date listed.)

1947-09-03

Publication of BE484647A publication Critical patent/BE484647A/xx

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)

BE484647D 1947-09-03 BE484647A (mo)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL266765X		1947-09-03

Publications (1)

Publication Number	Publication Date
BE484647A true BE484647A (mo)

Family

ID=19781765

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE484647D BE484647A (mo)	1947-09-03

Country Status (7)

Country	Link
US (1)	US2760067A (mo)
BE (1)	BE484647A (mo)
CH (1)	CH266765A (mo)
DE (1)	DE826760C (mo)
FR (1)	FR988495A (mo)
GB (1)	GB679176A (mo)
NL (1)	NL71107C (mo)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2086271A (en) *	1934-07-04	1937-07-06	Telefunken Gmbh	Electron discharge device
NL45032C (mo) *	1934-12-27
NL46575C (mo) *	1935-01-31
US2090218A (en) *	1935-06-25	1937-08-17	Hygrade Sylvania Corp	Electron discharge device
BE426298A (mo) *	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 (mo) *	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

Also Published As

Publication number	Publication date
DE826760C (de)	1952-01-03
GB679176A (en)	1952-09-17
CH266765A (de)	1950-02-15
US2760067A (en)	1956-08-21
NL71107C (mo)
FR988495A (fr)	1951-08-28

Publication	Publication Date	Title
AT165657B (mo)
IT454201A (mo)
FR964553A (mo)	1950-08-18
FR959234A (mo)	1950-03-25
AT166672B (mo)	1950-09-11
FR959556A (mo)	1950-03-31
AT165673B (mo)	1950-04-11
BE474505A (mo)	1947-04-30
BE472149A (mo)	1947-09-27
BE474625A (mo)
BE474240A (mo)
BE470729A (mo)
BE342691A (mo)
BE474341A (mo)
BE458425A (mo)
BE471830A (mo)	1947-04-30
NL81410C (mo)
BE471414A (mo)
BE473383A (mo)
BE474335A (mo)
BE471160A (mo)
BE470671A (mo)
BE471492A (mo)
BE471627A (mo)
BE473812A (mo)