FR937998A - - Google Patents

Info

Publication number
FR937998A
FR937998A FR937998DA FR937998A FR 937998 A FR937998 A FR 937998A FR 937998D A FR937998D A FR 937998DA FR 937998 A FR937998 A FR 937998A
Authority
FR
France
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)
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.)
Publication date
Application granted granted Critical
Publication of FR937998A publication Critical patent/FR937998A/fr
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
    • H03D7/14—Balanced arrangements
    • H03D7/1416—Balanced arrangements with discharge tubes having more than two electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Superheterodyne Receivers (AREA)
FR937998D 1944-07-26 Expired FR937998A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL622763X 1944-07-26

Publications (1)

Publication Number Publication Date
FR937998A true FR937998A (zh) 1948-10-12

Family

ID=19788475

Family Applications (1)

Application Number Title Priority Date Filing Date
FR937998D Expired FR937998A (zh) 1944-07-26

Country Status (4)

Country Link
US (1) US2554107A (zh)
DE (1) DE829604C (zh)
FR (1) FR937998A (zh)
GB (1) GB622763A (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2753457A (en) * 1952-03-18 1956-07-03 Zenith Radio Corp Frequency-selective electrical network
US5465418A (en) * 1993-04-29 1995-11-07 Drexel University Self-oscillating mixer circuits and methods therefor

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1978446A (en) * 1930-05-13 1934-10-30 Csf Heterodyne system
BE387351A (zh) * 1931-03-23
US2101438A (en) * 1935-02-27 1937-12-07 Rca Corp Neutralized coupling circuit
GB507495A (en) * 1936-12-21 1939-06-15 Loewe Opta Gmbh Improvements in oscillatory circuit arrangements for modulated ultra-short waves
NL58874C (zh) * 1938-01-29
GB544675A (en) * 1940-09-21 1942-04-23 Du Pont Improvements in or relating to the prevention of caking or setting of ammonium nitrate or ammonium nitrate compositions
NL58327C (zh) * 1940-12-05
US2434474A (en) * 1941-01-28 1948-01-13 Hartford Nat Bank & Trust Co Circuit arrangement for ultra short waves
BE444311A (zh) * 1941-01-31

Also Published As

Publication number Publication date
DE829604C (de) 1952-01-28
US2554107A (en) 1951-05-22
GB622763A (en) 1949-05-06

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