FR500654A - Perfectionnements à la signalisation à haute fréquence - Google Patents

Perfectionnements à la signalisation à haute fréquence

Info

Publication number
FR500654A
FR500654A FR500654A FR500654DA FR500654A FR 500654 A FR500654 A FR 500654A FR 500654 A FR500654 A FR 500654A FR 500654D A FR500654D A FR 500654DA FR 500654 A FR500654 A FR 500654A
Authority
FR
France
Prior art keywords
high frequency
frequency signaling
signaling improvements
signaling
frequency
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
FR500654A
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR500654A publication Critical patent/FR500654A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/46—Reflex amplifiers
    • H03F3/48—Reflex amplifiers with tubes only
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/14—Balanced arrangements
    • H03D7/1416—Balanced arrangements with discharge tubes having more than two electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
FR500654A 1916-09-05 1919-06-12 Perfectionnements à la signalisation à haute fréquence Expired FR500654A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US50916XA 1916-09-05 1916-09-05

Publications (1)

Publication Number Publication Date
FR500654A true FR500654A (fr) 1920-03-20

Family

ID=21714131

Family Applications (2)

Application Number Title Priority Date Filing Date
FR500654A Expired FR500654A (fr) 1916-09-05 1919-06-12 Perfectionnements à la signalisation à haute fréquence
FR500655A Expired FR500655A (fr) 1916-09-05 1919-06-12 Procédé et appareil de modulation pour la signalisation électrique à haute fréquence

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR500655A Expired FR500655A (fr) 1916-09-05 1919-06-12 Procédé et appareil de modulation pour la signalisation électrique à haute fréquence

Country Status (2)

Country Link
US (2) US1343307A (fr)
FR (2) FR500654A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2416088A (en) * 1942-06-01 1947-02-18 Gen Electric Pulse system
US2475474A (en) * 1946-02-27 1949-07-05 Raytheon Mfg Co Radio communication system
US2890418A (en) * 1953-09-18 1959-06-09 Rca Corp Non-linear semi-conductor signal translating circuits

Also Published As

Publication number Publication date
FR500655A (fr) 1920-03-20
US1343306A (en) 1920-06-15
US1343307A (en) 1920-06-15

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