BE483758A - - Google Patents

Info

Publication number: BE483758A
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.)

1947-02-20

Publication of BE483758A publication Critical patent/BE483758A/xx

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/38—Angle modulation by converting amplitude modulation to angle modulation
- H03C3/40—Angle modulation by converting amplitude modulation to angle modulation using two signal paths the outputs of which have a predetermined phase difference and at least one output being amplitude-modulated
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/09—Modifications of modulator for regulating the mean frequency
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/002—Transmission systems not characterised by the medium used for transmission characterised by the use of a carrier modulation
- H04B14/006—Angle modulation

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Particle Accelerators (AREA)
Ac-Ac Conversion (AREA)
Microwave Amplifiers (AREA)
Amplitude Modulation (AREA)
Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Transmitters (AREA)

BE483758D 1947-02-20 BE483758A (it)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FR855417X		1947-02-20
FR2558214X		1948-02-25

Publications (1)

Publication Number	Publication Date
BE483758A true BE483758A (it)

Family

ID=32232282

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
BE486292D BE486292A (it)	1947-02-20
BE483758D BE483758A (it)	1947-02-20

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
BE486292D BE486292A (it)	1947-02-20

Country Status (7)

Country	Link
US (2)	US2519836A (it)
BE (2)	BE483758A (it)
CH (2)	CH270713A (it)
DE (1)	DE855417C (it)
FR (3)	FR1003746A (it)
GB (2)	GB652473A (it)
NL (2)	NL66962C (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2682035A (en) *	1950-10-26	1954-06-22	Collins Radio Co	Linear frequency shift keying circuit
NL167851C (nl) *	1951-03-03		Hoechst Ag	Werkwijze voor het bereiden van farmaceutische preparaten op basis van bis-(4-hydroxyfenyl)-alkaancarbonzuurderivaten.
BE525820A (it) *	1953-01-19
DE968134C (de) *	1953-04-05	1958-01-16	Automatic Elect Lab	Schaltungsanordnung zur Erzeugung mehrerer Frequenzen fuer Vielkanaltelegrafie
US2835802A (en) *	1953-10-12	1958-05-20	James R Day	Linear frequency modulation detector
GB863585A (en) *	1957-10-21	1961-03-22	Gen Electric Co Ltd	Improvements in or relating to tunable discriminator circuits
US3002159A (en) *	1957-12-30	1961-09-26	Daystrom Inc	Oscillator
US2962670A (en) *	1958-05-02	1960-11-29	Electronic Eng Co	Modulatable transistor oscillator
DE1271781B (de) *	1964-04-23	1968-07-04	Siemens Ag	Schaltung zur Winkelmodulation einer elektrischen Schwingung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE691878C (de) *	1933-07-08	1940-06-07	Rca Corp	Anordnung zur Umwandlung frequenz- oder phasenmodulierter Schwingungen
US2087429A (en) *	1935-06-06	1937-07-20	Rca Corp	Phase and frequency modulation wave receiving system
US2321269A (en) *	1941-11-21	1943-06-08	Rca Corp	Frequency modulation
US2347398A (en) *	1942-05-01	1944-04-25	Rca Corp	Modulation system
US2458574A (en) *	1943-04-10	1949-01-11	Rca Corp	Pulse communication

0
- BE BE486292D patent/BE486292A/xx unknown
- NL NL646405951A patent/NL139712B/xx unknown
- BE BE483758D patent/BE483758A/xx unknown
- NL NL66962D patent/NL66962C/xx active
1947
- 1947-02-20 FR FR1003746D patent/FR1003746A/fr not_active Expired
- 1947-07-04 FR FR56849D patent/FR56849E/fr not_active Expired
1948
- 1948-02-25 FR FR1007109D patent/FR1007109A/fr not_active Expired
- 1948-02-26 US US11223A patent/US2519836A/en not_active Expired - Lifetime
- 1948-03-09 GB GB7262/48A patent/GB652473A/en not_active Expired
- 1948-03-10 CH CH270713D patent/CH270713A/fr unknown
- 1948-12-13 CH CH276572D patent/CH276572A/fr unknown
1949
- 1949-01-28 GB GB2357/49A patent/GB659174A/en not_active Expired
- 1949-02-23 US US77886A patent/US2558214A/en not_active Expired - Lifetime
1950
- 1950-09-13 DE DEC2144A patent/DE855417C/de not_active Expired

Also Published As

Publication number	Publication date
GB652473A (en)	1951-04-25
FR1003746A (fr)	1952-03-21
CH276572A (fr)	1951-07-15
NL66962C (it)	1900-01-01
US2519836A (en)	1950-08-22
BE486292A (it)
US2558214A (en)	1951-06-26
DE855417C (de)	1952-11-13
GB659174A (en)	1951-10-17
FR56849E (fr)	1952-10-07
FR1007109A (fr)	1952-05-02
CH270713A (fr)	1950-09-15
NL139712B (nl)

Publication	Publication Date	Title
AT165716B (it)	1950-04-11
AT166672B (it)	1950-09-11
AT165884B (it)	1950-05-10
BE474505A (it)	1947-04-30
LU29053A1 (it)	1948-07-24
BE472149A (it)	1947-09-27
BE472071A (it)
BE473383A (it)
BE458425A (it)
BE463900A (it)
BE465296A (it)
BE467279A (it)
BE470620A (it)
BE470671A (it)
BE470729A (it)
BE471160A (it)
BE471167A (it)	1947-08-13
BE471206A (it)
BE471414A (it)
BE471467A (it)
BE471492A (it)
BE471627A (it)
BE471830A (it)	1947-04-30
BE401708A (it)
BE342691A (it)