FR722034A - Perfectionnements aux circuits amplificateurs de radio - Google Patents

Perfectionnements aux circuits amplificateurs de radio

Info

Publication number
FR722034A
FR722034A FR722034DA FR722034A FR 722034 A FR722034 A FR 722034A FR 722034D A FR722034D A FR 722034DA FR 722034 A FR722034 A FR 722034A
Authority
FR
France
Prior art keywords
amplifier circuits
radio amplifier
radio
circuits
amplifier
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)
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.)
Johnson Laboratories Inc
Original Assignee
Johnson Laboratories Inc
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 Johnson Laboratories Inc filed Critical Johnson Laboratories Inc
Application granted granted Critical
Publication of FR722034A publication Critical patent/FR722034A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F21/00—Variable inductances or transformers of the signal type
    • H01F21/02—Variable inductances or transformers of the signal type continuously variable, e.g. variometers
    • H01F21/06—Variable inductances or transformers of the signal type continuously variable, e.g. variometers by movement of core or part of core relative to the windings as a whole

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR722034D 1929-08-26 1930-08-18 Perfectionnements aux circuits amplificateurs de radio Expired FR722034A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US722034XA 1929-08-26 1929-08-26

Publications (1)

Publication Number Publication Date
FR722034A true FR722034A (fr) 1932-03-10

Family

ID=22106201

Family Applications (1)

Application Number Title Priority Date Filing Date
FR722034D Expired FR722034A (fr) 1929-08-26 1930-08-18 Perfectionnements aux circuits amplificateurs de radio

Country Status (1)

Country Link
FR (1) FR722034A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE757276C (de) * 1934-05-20 1953-02-23 Bosch Gmbh Robert Kern fuer Hochfrequenzspulen, der aus fein verteilten magnetischen Teilchen und einem Isolierstoff besteht
DE964072C (de) * 1934-07-11 1957-05-16 Lorenz C Ag Kern aus Hochfrequenzeisen fuer Hochfrequenzspulen
DE1222440B (de) * 1958-05-03 1966-08-04 Junghans Ges Mit Beschraenkter Spulenaggregat fuer ein kontaktlos gesteuertes, periodisch bewegtes mechanisches System fuer zeithaltende Geraete

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE757276C (de) * 1934-05-20 1953-02-23 Bosch Gmbh Robert Kern fuer Hochfrequenzspulen, der aus fein verteilten magnetischen Teilchen und einem Isolierstoff besteht
DE964072C (de) * 1934-07-11 1957-05-16 Lorenz C Ag Kern aus Hochfrequenzeisen fuer Hochfrequenzspulen
DE1222440B (de) * 1958-05-03 1966-08-04 Junghans Ges Mit Beschraenkter Spulenaggregat fuer ein kontaktlos gesteuertes, periodisch bewegtes mechanisches System fuer zeithaltende Geraete

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