CH309842A - Schaltung zum Empfangen und zur Demodulation einer frequenzmodulierten Schwingung. - Google Patents

Schaltung zum Empfangen und zur Demodulation einer frequenzmodulierten Schwingung.

Info

Publication number
CH309842A
CH309842A CH309842DA CH309842A CH 309842 A CH309842 A CH 309842A CH 309842D A CH309842D A CH 309842DA CH 309842 A CH309842 A CH 309842A
Authority
CH
Switzerland
Prior art keywords
demodulating
frequency
circuit
receiving
modulated oscillation
Prior art date
Application number
Other languages
English (en)
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.)
Filing date
Publication date
Application filed by Philips Nv filed Critical Philips Nv
Publication of CH309842A publication Critical patent/CH309842A/de

Links

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)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transmitters (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
CH309842D 1948-12-02 1951-03-27 Schaltung zum Empfangen und zur Demodulation einer frequenzmodulierten Schwingung. CH309842A (de)

Applications Claiming Priority (1)

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

Publications (1)

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

Family

ID=19782199

Family Applications (2)

Application Number Title Priority Date Filing Date
CH278147D CH278147A (de) 1948-12-02 1949-11-30 Schaltung zum Empfang und zur Demodulation einer frequenzmodulierten Schwingung.
CH309842D CH309842A (de) 1948-12-02 1951-03-27 Schaltung zum Empfangen und zur Demodulation einer frequenzmodulierten Schwingung.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CH278147D CH278147A (de) 1948-12-02 1949-11-30 Schaltung zum Empfang und zur Demodulation einer frequenzmodulierten Schwingung.

Country Status (6)

Country Link
BE (1) BE502220A (de)
CH (2) CH278147A (de)
DE (1) DE852869C (de)
FR (3) FR1000470A (de)
GB (1) GB716712A (de)
NL (2) NL79284C (de)

Families Citing this family (1)

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

Also Published As

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

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