CH309842A - Circuit for receiving and demodulating a frequency-modulated oscillation. - Google Patents

Circuit for receiving and demodulating a frequency-modulated oscillation.

Info

Publication number: CH309842A
Authority: CH; Switzerland
Prior art keywords: demodulating; frequency; circuit; receiving; modulated oscillation
Prior art date: 1948-12-02

Application number

Other languages

German (de)

Inventor

Gloeilampenfabrieken N Philips

Original Assignee

Philips 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.)

1948-12-02

Filing date

1951-03-27

Publication date

1955-09-15

1951-03-27 Application filed by Philips Nv filed Critical Philips Nv

1955-09-15 Publication of CH309842A publication Critical patent/CH309842A/en

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M25/00—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture
- F02M25/14—Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding anti-knock agents, not provided for in subgroups F02M25/022 - F02M25/10
- 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
- H03D3/06—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators
- H03D3/08—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators by means of diodes, e.g. Foster-Seeley discriminator
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G11/00—Limiting amplitude; Limiting rate of change of amplitude ; Clipping in general
- H03G11/06—Limiters of angle-modulated signals; such limiters combined with discriminators
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies

Landscapes

Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Combustion & Propulsion (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Power Engineering (AREA)
Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Transmitters (AREA)

CH309842D 1948-12-02 1951-03-27 Circuit for receiving and demodulating a frequency-modulated oscillation. CH309842A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL278147X		1948-12-02

Publications (1)

Publication Number	Publication Date
CH309842A true CH309842A (en)	1955-09-15

Family

ID=19782199

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
CH278147D CH278147A (en)	1948-12-02	1949-11-30	Circuit for receiving and demodulating a frequency-modulated oscillation.
CH309842D CH309842A (en)	1948-12-02	1951-03-27	Circuit for receiving and demodulating a frequency-modulated oscillation.

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
CH278147D CH278147A (en)	1948-12-02	1949-11-30	Circuit for receiving and demodulating a frequency-modulated oscillation.

Country Status (6)

Country	Link
BE (1)	BE502220A (en)
CH (2)	CH278147A (en)
DE (1)	DE852869C (en)
FR (3)	FR1000470A (en)
GB (1)	GB716712A (en)
NL (2)	NL159574B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL95030C (en) *	1953-02-24

0
- NL NL79284D patent/NL79284C/xx active
- BE BE502220D patent/BE502220A/xx unknown
- NL NL7307856.A patent/NL159574B/en unknown
1949
- 1949-11-30 CH CH278147D patent/CH278147A/en unknown
- 1949-11-30 FR FR1000470D patent/FR1000470A/en not_active Expired
1950
- 1950-03-29 FR FR60153D patent/FR60153E/en not_active Expired
1951
- 1951-03-22 GB GB6894/51A patent/GB716712A/en not_active Expired
- 1951-03-25 DE DEN3668A patent/DE852869C/en not_active Expired
- 1951-03-27 CH CH309842D patent/CH309842A/en unknown
1954
- 1954-06-29 FR FR69153D patent/FR69153E/en not_active Expired

Also Published As

Publication number	Publication date
FR1000470A (en)	1952-02-12
NL159574B (en)
DE852869C (en)	1952-10-20
FR69153E (en)	1958-10-22
GB716712A (en)	1954-10-13
BE502220A (en)
NL79284C (en)
FR60153E (en)	1954-09-23
CH278147A (en)	1951-09-30

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