FR799320A - Procédé de radiophonie permettant de réduire la largeur de la bande de fréquence sans affecter la qualité musicale de l'émission - Google Patents

Procédé de radiophonie permettant de réduire la largeur de la bande de fréquence sans affecter la qualité musicale de l'émission

Info

Publication number
FR799320A
FR799320A FR799320DA FR799320A FR 799320 A FR799320 A FR 799320A FR 799320D A FR799320D A FR 799320DA FR 799320 A FR799320 A FR 799320A
Authority
FR
France
Prior art keywords
broadcast
affecting
width
reduced
frequency band
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)
French (fr)
Inventor
Nicolaas Koomans
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 filed Critical
Application granted granted Critical
Publication of FR799320A publication Critical patent/FR799320A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04B1/68—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 for wholly or partially suppressing the carrier or one side band
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/52—Modulators in which carrier or one sideband is wholly or partially suppressed
    • H03C1/60—Modulators in which carrier or one sideband is wholly or partially suppressed with one sideband wholly or partially suppressed

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
FR799320D 1934-12-14 1935-12-14 Procédé de radiophonie permettant de réduire la largeur de la bande de fréquence sans affecter la qualité musicale de l'émission Expired FR799320A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL450000X 1934-12-14

Publications (1)

Publication Number Publication Date
FR799320A true FR799320A (fr) 1936-06-11

Family

ID=19786302

Family Applications (1)

Application Number Title Priority Date Filing Date
FR799320D Expired FR799320A (fr) 1934-12-14 1935-12-14 Procédé de radiophonie permettant de réduire la largeur de la bande de fréquence sans affecter la qualité musicale de l'émission

Country Status (5)

Country Link
US (1) US2110046A (enrdf_load_stackoverflow)
DE (2) DE690539C (enrdf_load_stackoverflow)
FR (1) FR799320A (enrdf_load_stackoverflow)
GB (1) GB450000A (enrdf_load_stackoverflow)
NL (1) NL39464C (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2719955A (en) * 1952-01-02 1955-10-04 Du Mont Allen B Lab Inc Transmission system
FR88796E (enrdf_load_stackoverflow) * 1965-05-05 1967-06-07

Also Published As

Publication number Publication date
DE736530C (de) 1943-06-24
NL39464C (enrdf_load_stackoverflow)
DE690539C (de) 1940-04-27
GB450000A (en) 1936-07-08
US2110046A (en) 1938-03-01

Similar Documents

Publication Publication Date Title
FR799320A (fr) Procédé de radiophonie permettant de réduire la largeur de la bande de fréquence sans affecter la qualité musicale de l'émission
FR775375A (fr) Procédé de fabrication de cornets de glace
FR782285A (fr) Nouveau procédé de réception d'ondes radioélectriques par changement de fréquence
FR795551A (fr) Procédé de réception par changement de fréquence et par transport de modulations
FR793353A (fr) Procédé de réception radioélectrique
FR809967A (fr) Amplificateur pour la transmission d'une bande de fréquences de grande largeur
FR46045E (fr) Procédé de réception d'ondes radioélectriques
FR780556A (fr) Procédé de réception d'ondes radioélectriques
FR795552A (fr) Procédé de changement de fréquence pour réception radio-électrique
FR793183A (fr) Procédé de délustrage de matières fibreuses brillantes
CA331627A (en) High frequency producing method
CA250601A (en) Method of making knife blades
CA343544A (en) Tubular material treating method
FR785057A (fr) Procédé d'obtention de dextrose cristalline
FI15422A (fi) Menettelytapa eristävien kuitumassakappalten valmistamiseksi sekä siten saatu tuote
FR785043A (fr) Procédé permettant d'améliorer les qualités des teintures substantives
CA344114A (en) Constant band width radio receiver
FR763821A (fr) Procédé de transmission radioélectrique modulée à haute fréquence unique
AU1770934A (en) Improvements in or relating to saturated fibrous sheet material and process of producing thesame
CA304649A (en) Process of making road material
AU1974134A (en) An improved process of producing sulphite cellulose
CA307380A (en) Stabilization of tuned radio frequency amplifiers
CA299712A (en) Process of making wood pulp
CA311373A (en) Process of producing steel cutting blades
FR737618A (fr) Filtre de bande à haute fréquence