FR641417A - Improvements to thermionic lamp circuits - Google Patents

Improvements to thermionic lamp circuits

Info

Publication number
FR641417A
FR641417A FR641417DA FR641417A FR 641417 A FR641417 A FR 641417A FR 641417D A FR641417D A FR 641417DA FR 641417 A FR641417 A FR 641417A
Authority
FR
France
Prior art keywords
thermionic
lamp circuits
lamp
circuits
thermionic lamp
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
French (fr)
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.)
Cutler Hammer Europe Ltd
Original Assignee
Igranic Electric 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 Igranic Electric Co Ltd filed Critical Igranic Electric Co Ltd
Application granted granted Critical
Publication of FR641417A publication Critical patent/FR641417A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H03D7/08—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 the same two electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR641417D 1927-09-26 1927-09-26 Improvements to thermionic lamp circuits Expired FR641417A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR641417T 1927-09-26

Publications (1)

Publication Number Publication Date
FR641417A true FR641417A (en) 1928-08-03

Family

ID=8998135

Family Applications (1)

Application Number Title Priority Date Filing Date
FR641417D Expired FR641417A (en) 1927-09-26 1927-09-26 Improvements to thermionic lamp circuits

Country Status (1)

Country Link
FR (1) FR641417A (en)

Similar Documents

Publication Publication Date Title
FR641417A (en) Improvements to thermionic lamp circuits
FR617708A (en) Improvements to thermionic lamp circuits
FR652601A (en) Improvements to thermionic lamp circuits
FR648178A (en) Improvements to thermionic lamps
FR648357A (en) Improvements to thermionic lamps
FR662892A (en) Improvements to thermionic lamps
FR645717A (en) Improvements to thermionic lamp supports
FR31601E (en) Improvements to electroionic lamps
FR601984A (en) Improvements to electroionic lamps
FR661674A (en) Improvements to lamps
FR709145A (en) Improvements to thermionic lamp circuits
FR655051A (en) Improvements to thermionic lamps
FR684221A (en) Improvements to thermionic lamps
FR637302A (en) Improvements to thermionic bulbs
FR633618A (en) Improvements to lamp sockets
FR629132A (en) Improvements to servo-brakes
FR691791A (en) Improvements to thermionic lamps
FR692230A (en) Improvements to thermionic lamps
FR591558A (en) Modification to audion lamps
FR628150A (en) Improvements to stencils
FR665461A (en) Improvements to frequency changers
FR639050A (en) Improvements to frequency changers
FR658088A (en) Improvements made to thermionic tubes
FR658049A (en) Improvements to thermionic valves
FR644832A (en) Improvements to projection lanterns