FR34233E - Convertisseur de fréquence à lampe à quatre électrodes - Google Patents

Convertisseur de fréquence à lampe à quatre électrodes

Info

Publication number
FR34233E
FR34233E FR34233DA FR34233E FR 34233 E FR34233 E FR 34233E FR 34233D A FR34233D A FR 34233DA FR 34233 E FR34233 E FR 34233E
Authority
FR
France
Prior art keywords
frequency converter
electrode lamp
lamp frequency
electrode
converter
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)
Inventor
Barthelemy
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.)
PERICAUD SOC D Ets
Original Assignee
PERICAUD SOC D Ets
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 PERICAUD SOC D Ets filed Critical PERICAUD SOC D Ets
Application granted granted Critical
Publication of FR34233E publication Critical patent/FR34233E/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/02—Tubes with a single discharge path
    • 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
    • H03D7/06—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes
    • H03D7/10—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes the signals to be mixed being applied between different pairs of electrodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
    • H04B15/04—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder
    • H04B15/06—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder by local oscillators of receivers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
FR34233D 1927-08-24 1927-08-24 Convertisseur de fréquence à lampe à quatre électrodes Expired FR34233E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR34233T 1927-08-24

Publications (1)

Publication Number Publication Date
FR34233E true FR34233E (fr) 1929-05-03

Family

ID=8671827

Family Applications (2)

Application Number Title Priority Date Filing Date
FR638940D Expired FR638940A (fr) 1927-08-24 1926-12-31 Convertisseur de fréquence à lampe à quatre électrodes
FR34233D Expired FR34233E (fr) 1927-08-24 1927-08-24 Convertisseur de fréquence à lampe à quatre électrodes

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR638940D Expired FR638940A (fr) 1927-08-24 1926-12-31 Convertisseur de fréquence à lampe à quatre électrodes

Country Status (1)

Country Link
FR (2) FR638940A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2445690A (en) * 1944-06-02 1948-07-20 Patt Elavathur Sub Viswanathan Electron oscillator

Also Published As

Publication number Publication date
FR638940A (fr) 1928-06-07

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