FR690417A - New adjustable impedance and its adjustment process - Google Patents

New adjustable impedance and its adjustment process

Info

Publication number
FR690417A
FR690417A FR690417DA FR690417A FR 690417 A FR690417 A FR 690417A FR 690417D A FR690417D A FR 690417DA FR 690417 A FR690417 A FR 690417A
Authority
FR
France
Prior art keywords
adjustment process
adjustable impedance
new adjustable
new
impedance
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.)
Telefunken AG
Original Assignee
Telefunken AG
Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
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 Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG
Application granted granted Critical
Publication of FR690417A publication Critical patent/FR690417A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/10—Angle modulation by means of variable impedance
    • H03C3/12—Angle modulation by means of variable impedance by means of a variable reactive element
    • H03C3/14—Angle modulation by means of variable impedance by means of a variable reactive element simulated by circuit comprising active element with at least three electrodes, e.g. reactance-tube circuit
FR690417D 1929-05-11 1930-02-22 New adjustable impedance and its adjustment process Expired FR690417A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2088439X 1929-05-11

Publications (1)

Publication Number Publication Date
FR690417A true FR690417A (en) 1930-09-19

Family

ID=7984348

Family Applications (1)

Application Number Title Priority Date Filing Date
FR690417D Expired FR690417A (en) 1929-05-11 1930-02-22 New adjustable impedance and its adjustment process

Country Status (2)

Country Link
US (1) US2088439A (en)
FR (1) FR690417A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2527535A (en) * 1945-12-14 1950-10-31 Jr Robert A Emmett Electronic phase shifter
US2510787A (en) * 1947-05-16 1950-06-06 Rca Corp Variable reactance circuit
BE497800A (en) * 1949-08-30
US2712637A (en) * 1951-04-25 1955-07-05 Robert W Jones Variable reactance circuits
US2946969A (en) * 1958-08-25 1960-07-26 Rosen George System for varying capacitance

Also Published As

Publication number Publication date
US2088439A (en) 1937-07-27

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