FR842897A - Perfectionnements aux appareils radiorécepteurs et analogues - Google Patents

Perfectionnements aux appareils radiorécepteurs et analogues

Info

Publication number
FR842897A
FR842897A FR842897DA FR842897A FR 842897 A FR842897 A FR 842897A FR 842897D A FR842897D A FR 842897DA FR 842897 A FR842897 A FR 842897A
Authority
FR
France
Prior art keywords
radio receivers
receivers
radio
Prior art date
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
English (en)
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi Co Ltd
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 Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Application granted granted Critical
Publication of FR842897A publication Critical patent/FR842897A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/16—Automatic control
    • H03G5/24—Automatic control in frequency-selective amplifiers
    • H03G5/26—Automatic control in frequency-selective amplifiers having discharge tubes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/04—Automatic frequency control where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H03J7/16—Automatic frequency control where the frequency control is accomplished by mechanical means, e.g. by a motor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/14—Automatic detuning arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
FR842897D 1937-09-04 1938-09-02 Perfectionnements aux appareils radiorécepteurs et analogues Expired FR842897A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB24229/37A GB501760A (en) 1937-09-04 1937-09-04 Improvements in radio and like receivers

Publications (1)

Publication Number Publication Date
FR842897A true FR842897A (fr) 1939-06-21

Family

ID=10208426

Family Applications (1)

Application Number Title Priority Date Filing Date
FR842897D Expired FR842897A (fr) 1937-09-04 1938-09-02 Perfectionnements aux appareils radiorécepteurs et analogues

Country Status (3)

Country Link
US (1) US2221096A (fr)
FR (1) FR842897A (fr)
GB (1) GB501760A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2607889A (en) * 1945-06-23 1952-08-19 Emi Ltd Radio receiver
US2523294A (en) * 1946-03-16 1950-09-26 Farnsworth Res Corp Self-tuning amplifier
US2773119A (en) * 1950-04-04 1956-12-04 Louis W Parker Tuning system for radio and television receivers

Also Published As

Publication number Publication date
US2221096A (en) 1940-11-12
GB501760A (en) 1939-03-06

Similar Documents

Publication Publication Date Title
FR849288A (fr) Perfectionnements aux radio-compas
FR866476A (fr) Perfectionnement aux antennes
FR862784A (fr) Appareils récepteurs de télévision et analogues
FR842897A (fr) Perfectionnements aux appareils radiorécepteurs et analogues
FR831368A (fr) Perfectionnements aux radiorécepteurs et appareils analogues
ES180668A1 (es) Mejoras en receptores de radio y television
FR844258A (fr) Perfectionnements aux appareils radiorécepteurs et analogues
FR748910A (fr) Perfectionnements aux postes de réception radiophoniques et analogues
FR831406A (fr) Perfectionnements aux radiorécepteurs et appareils analogues
FR49220E (fr) Perfectionnements aux récepteurs de télévision, télécinéma et emplois similaires
FR862554A (fr) Perfectionnements aux récepteurs radioélectriques et analogues
FR829307A (fr) Perfectionnements aux appareils de téléphotographie et analogues
FR821101A (fr) Perfectionnements aux récepteurs de télévision et analogues
AU109304B2 (en) Improvements in or relating to pre-set tuning means for radio receivers and the like
FR818864A (fr) Perfectionnements relatifs aux appareils et aux procédés de réception radio-électrique
AU109477B2 (en) Improvements in or relating to radio and like receivers of the r superheterodyne type
GB509535A (en) Improvements in or relating to radio direction finding receivers
AU111868B2 (en) Improvements in or relating to television and like radio receivers
AU111037B2 (en) Improvements in television and like receivers
FR863587A (fr) Récepteurs radio super-hétérodynes
FR854229A (fr) Perfectionnement aux concasseurs, broyeurs et appareils analogues
AU111041B2 (en) Improvements in automatically tuned radio receivers
FR831367A (fr) Perfectionnements aux récepteurs de radiocommunications et analogues
AU110954B2 (en) Improvements in or relating to radio and like receivers ofthe superheterodyne type provided with preselection tuning means
AU112072B2 (en) Improvements in superheterodyne receivers with preset tuning