FR1049884A - Montage démodulateur de fréquence - Google Patents

Montage démodulateur de fréquence

Info

Publication number: FR1049884A
Authority: FR; France
Prior art keywords: frequency demodulator; demodulator assembly; assembly; frequency; demodulator
Prior art date: 1951-01-27
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

Application number

Other languages

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Koninklijke Philips NV

Original Assignee

Philips Gloeilampenfabrieken NV

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.)

1951-01-27

Filing date

1952-01-25

Publication date

1954-01-04

1952-01-25 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1954-01-04 Application granted granted Critical

1954-01-04 Publication of FR1049884A publication Critical patent/FR1049884A/fr

Status Expired legal-status Critical Current

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

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Amplifiers (AREA)
Particle Accelerators (AREA)

FR1049884D 1951-01-27 1952-01-25 Montage démodulateur de fréquence Expired FR1049884A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL298349X		1951-01-27

Publications (1)

Publication Number	Publication Date
FR1049884A true FR1049884A (fr)	1954-01-04

Family

ID=19783096

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR1049884D Expired FR1049884A (fr)	1951-01-27	1952-01-25	Montage démodulateur de fréquence

Country Status (7)

Country	Link
US (1)	US2768288A (fr)
BE (1)	BE508728A (fr)
CH (1)	CH298349A (fr)
DE (1)	DE886021C (fr)
FR (1)	FR1049884A (fr)
GB (1)	GB692247A (fr)
NL (2)	NL83684C (fr)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2067048A (en) *	1927-06-08	1937-01-05	Rca Corp	Thermionic amplifier
US2274184A (en) *	1940-06-12	1942-02-24	Radio Patents Corp	Phase and frequency variation response circuit
US2261286A (en) *	1940-07-13	1941-11-04	Rca Corp	Frequency modulation detector
US2269687A (en) *	1941-02-14	1942-01-13	Radio Patents Corp	Frequency discriminator
US2368052A (en) *	1941-04-29	1945-01-23	Patents Res Corp	Electric translating system
BE469561A (fr) *	1942-05-06
NL70135C (fr) *	1946-12-04	1952-01-15	Philips Nv
DE809672C (de) *	1948-12-02	1951-08-02	Philips Nv	Schaltung zur Demodulation einer frequenzmodulierten Schwingung

0
- NL NL7416929.A patent/NL158843B/xx unknown
- NL NL83684D patent/NL83684C/xx active
- BE BE508728D patent/BE508728A/xx unknown
1952
- 1952-01-22 US US267573A patent/US2768288A/en not_active Expired - Lifetime
- 1952-01-23 DE DEN4998A patent/DE886021C/de not_active Expired
- 1952-01-24 GB GB1984/52A patent/GB692247A/en not_active Expired
- 1952-01-25 CH CH298349D patent/CH298349A/de unknown
- 1952-01-25 FR FR1049884D patent/FR1049884A/fr not_active Expired

Also Published As

Publication number	Publication date
US2768288A (en)	1956-10-23
NL158843B (nl)
GB692247A (en)	1953-06-03
CH298349A (de)	1954-04-30
NL83684C (fr)
DE886021C (de)	1953-08-10
BE508728A (fr)

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