FR1118454A - Very high frequency oscillation frequency changer assembly - Google Patents

Very high frequency oscillation frequency changer assembly

Info

Publication number
FR1118454A
FR1118454A FR1118454DA FR1118454A FR 1118454 A FR1118454 A FR 1118454A FR 1118454D A FR1118454D A FR 1118454DA FR 1118454 A FR1118454 A FR 1118454A
Authority
FR
France
Prior art keywords
changer assembly
high frequency
oscillation frequency
frequency oscillation
frequency changer
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 FR1118454A publication Critical patent/FR1118454A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
    • H04B15/04—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder
    • H04B15/06—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder by local oscillators of receivers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P7/00—Resonators of the waveguide type
    • H01P7/02—Lecher resonators
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D9/00—Demodulation or transference of modulation of modulated electromagnetic waves
    • H03D9/06—Transference of modulation using distributed inductance and capacitance
    • H03D9/065—Transference of modulation using distributed inductance and capacitance by means of discharge tubes having more than two electrodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/28—Continuous tuning of more than one resonant circuit simultaneously, the tuning frequencies of the circuits having a substantially constant difference throughout the tuning range

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Microwave Amplifiers (AREA)
FR1118454D 1953-12-09 1954-12-08 Very high frequency oscillation frequency changer assembly Expired FR1118454A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL762745X 1953-12-09

Publications (1)

Publication Number Publication Date
FR1118454A true FR1118454A (en) 1956-06-06

Family

ID=19827520

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1118454D Expired FR1118454A (en) 1953-12-09 1954-12-08 Very high frequency oscillation frequency changer assembly

Country Status (6)

Country Link
US (1) US2812432A (en)
BE (1) BE533945A (en)
DE (1) DE1034225B (en)
FR (1) FR1118454A (en)
GB (1) GB762745A (en)
NL (2) NL183474B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL261732A (en) * 1960-02-29
CN103410806B (en) * 2013-08-30 2016-02-24 徐州重型机械有限公司 A kind of hoist and draft hitch, hanging oil cylinder

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE540338C (en) * 1931-04-14 1932-12-14 Karl Kohl Dr Tube circuit for generating and receiving ultrashort waves
DE662148C (en) * 1933-09-01 1938-07-06 Ernst E W Kassner Ultra-short wave transmitter
DE651954C (en) * 1934-10-05 1937-10-22 Philips Patentverwaltung Device for coordinating a Lecher wire system consisting of two parallel conductors of the same length
US2126541A (en) * 1935-09-20 1938-08-09 Lee De Forest Lab High frequency oscillating circuit
NL73569C (en) * 1947-11-29
GB698397A (en) * 1951-07-02 1953-10-14 Philips Electrical Ind Ltd Improvements in or relating to superheterodyne receiving circuits

Also Published As

Publication number Publication date
NL92538C (en)
BE533945A (en)
US2812432A (en) 1957-11-05
GB762745A (en) 1956-12-05
NL183474B (en)
DE1034225B (en) 1958-07-17

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