FR623490A - Improvements to radio receivers with four-electrode lamps - Google Patents

Improvements to radio receivers with four-electrode lamps

Info

Publication number
FR623490A
FR623490A FR623490DA FR623490A FR 623490 A FR623490 A FR 623490A FR 623490D A FR623490D A FR 623490DA FR 623490 A FR623490 A FR 623490A
Authority
FR
France
Prior art keywords
radio receivers
electrode lamps
lamps
electrode
receivers
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)
Inventor
Rene Barthelemy
Georges Thebault
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.)
RADIO IND ET CIE POUR LA FABRI
Original Assignee
RADIO IND ET CIE POUR LA FABRI
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 RADIO IND ET CIE POUR LA FABRI filed Critical RADIO IND ET CIE POUR LA FABRI
Application granted granted Critical
Publication of FR623490A publication Critical patent/FR623490A/en
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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/163—Special arrangements for the reduction of the damping of resonant circuits of receivers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
    • H03F1/12—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of attenuating means
    • H03F1/13—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of attenuating means in discharge-tube amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
    • H03F1/14—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of neutralising means
    • H03F1/16—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of neutralising means in discharge-tube amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
FR623490D 1926-02-22 1926-02-22 Improvements to radio receivers with four-electrode lamps Expired FR623490A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR623490T 1926-02-22
FR32676T 1926-05-31

Publications (1)

Publication Number Publication Date
FR623490A true FR623490A (en) 1927-06-24

Family

ID=26182628

Family Applications (2)

Application Number Title Priority Date Filing Date
FR623490D Expired FR623490A (en) 1926-02-22 1926-02-22 Improvements to radio receivers with four-electrode lamps
FR32676D Expired FR32676E (en) 1926-02-22 1926-05-31 Improvements to radio receivers with four-electrode lamps

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR32676D Expired FR32676E (en) 1926-02-22 1926-05-31 Improvements to radio receivers with four-electrode lamps

Country Status (2)

Country Link
FR (2) FR623490A (en)
GB (2) GB266325A (en)

Also Published As

Publication number Publication date
GB266325A (en) 1927-07-14
FR32676E (en) 1928-02-15
GB271851A (en) 1927-09-22

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