DE854233C - UEberlagerungsempfangsschaltung - Google Patents

UEberlagerungsempfangsschaltung

Info

Publication number
DE854233C
DE854233C DEN503A DEN0000503A DE854233C DE 854233 C DE854233 C DE 854233C DE N503 A DEN503 A DE N503A DE N0000503 A DEN0000503 A DE N0000503A DE 854233 C DE854233 C DE 854233C
Authority
DE
Germany
Prior art keywords
cathode
grid
anode
oscillations
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
DEN503A
Other languages
German (de)
English (en)
Inventor
Bernhardus Gerhardus Dammers
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 DE854233C publication Critical patent/DE854233C/de
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
    • 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
    • H03D7/06—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes
    • H03D7/08—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes the signals to be mixed being applied between the same two electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Superheterodyne Receivers (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
DEN503A 1949-02-16 1950-02-14 UEberlagerungsempfangsschaltung Expired DE854233C (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL279129X 1949-02-16

Publications (1)

Publication Number Publication Date
DE854233C true DE854233C (de) 1952-11-04

Family

ID=19782232

Family Applications (1)

Application Number Title Priority Date Filing Date
DEN503A Expired DE854233C (de) 1949-02-16 1950-02-14 UEberlagerungsempfangsschaltung

Country Status (7)

Country Link
US (1) US2712597A (en, 2012)
BE (1) BE493900A (en, 2012)
CH (1) CH279129A (en, 2012)
DE (1) DE854233C (en, 2012)
FR (1) FR1012816A (en, 2012)
GB (1) GB693902A (en, 2012)
NL (1) NL83682C (en, 2012)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE967593C (de) * 1953-12-25 1957-11-28 Max Braun Fa Additive Trioden-Mischstufe fuer sehr hohe Frequenzen
US2980795A (en) * 1959-12-09 1961-04-18 Hazeltine Research Inc Autodyne converter

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR673718A (fr) * 1928-08-25 1930-01-18 Radiomodulation par les lampes à faible capacité intérieure
DE684171C (de) * 1933-04-01 1939-11-23 Rca Corp Selbstschwingende Mischstufe eines UEberlagerungsempfaengers

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2022085A (en) * 1931-12-14 1935-11-26 Hazeltine Corp Radioreceiver
US2053414A (en) * 1932-02-12 1936-09-08 Rca Corp Heterodyne receiving system
US2153778A (en) * 1933-04-27 1939-04-11 Rca Corp Circuit arrangement
US2347826A (en) * 1941-10-21 1944-05-02 Lorain County Radio Corp High frequency switching means
US2409577A (en) * 1943-12-03 1946-10-15 Rca Corp Synchronized blocking oscillator
US2516272A (en) * 1945-12-07 1950-07-25 Philco Corp Frequency conversion system
BE481656A (en, 2012) * 1947-09-20
NL144910B (nl) * 1949-02-16 Pilkington Brothers Ltd Werkwijze voor het behandelen van een oppervlak van vlak glas en aan een oppervlak behandeld vlak glas, verkregen onder toepassing van deze werkwijze.

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR673718A (fr) * 1928-08-25 1930-01-18 Radiomodulation par les lampes à faible capacité intérieure
DE684171C (de) * 1933-04-01 1939-11-23 Rca Corp Selbstschwingende Mischstufe eines UEberlagerungsempfaengers

Also Published As

Publication number Publication date
BE493900A (en, 2012)
US2712597A (en) 1955-07-05
CH279129A (de) 1951-11-15
FR1012816A (fr) 1952-07-17
NL83682C (en, 2012)
GB693902A (en) 1953-07-08

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