FR885374A - Assembly for amplification, frequency transformation or production of oscillations with a very high frequency - Google Patents

Assembly for amplification, frequency transformation or production of oscillations with a very high frequency

Info

Publication number
FR885374A
FR885374A FR885374DA FR885374A FR 885374 A FR885374 A FR 885374A FR 885374D A FR885374D A FR 885374DA FR 885374 A FR885374 A FR 885374A
Authority
FR
France
Prior art keywords
oscillations
amplification
assembly
production
frequency
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR885374A publication Critical patent/FR885374A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H03D7/20—Transference of modulation from one carrier to another, e.g. frequency-changing by means of transit-time tubes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/54—Amplifiers using transit-time effect in tubes or semiconductor devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/34—Combined diverse multipart fasteners
    • Y10T24/3427—Clasp
    • Y10T24/3439—Plural clasps
    • Y10T24/344—Resilient type clasp
    • Y10T24/3444—Circular work engageable

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
FR885374D 1941-08-20 1942-08-19 Assembly for amplification, frequency transformation or production of oscillations with a very high frequency Expired FR885374A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL2452337X 1941-08-20

Publications (1)

Publication Number Publication Date
FR885374A true FR885374A (en) 1943-09-13

Family

ID=19874255

Family Applications (1)

Application Number Title Priority Date Filing Date
FR885374D Expired FR885374A (en) 1941-08-20 1942-08-19 Assembly for amplification, frequency transformation or production of oscillations with a very high frequency

Country Status (2)

Country Link
US (1) US2452337A (en)
FR (1) FR885374A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2915828A (en) * 1956-09-04 1959-12-08 David D Miller Portable drafting machine

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2731562A (en) * 1949-10-07 1956-01-17 Japan Broadcasting Corp System of controlling electron current in multiple electrode tubes
US2859345A (en) * 1953-03-12 1958-11-04 Rca Corp Electrically tunable oscillator

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1945040A (en) * 1926-12-14 1934-01-30 Philips Nv Means for amplifying electric oscillations
FR747364A (en) * 1932-02-01 1933-06-15 Telefunken Gmbh Improvements to modulation assemblies for shortwave generators
US2068388A (en) * 1932-03-23 1937-01-19 Telefunken Gmbh Electron tube in a retarding field circuit
US2061733A (en) * 1932-08-31 1936-11-24 Telefunken Gmbh Thermionic device
US2139230A (en) * 1935-04-13 1938-12-06 Bell Telephone Labor Inc High efficiency oscillator of the barkhausen type

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2915828A (en) * 1956-09-04 1959-12-08 David D Miller Portable drafting machine

Also Published As

Publication number Publication date
US2452337A (en) 1948-10-26

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