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ES177002A1 - Mejoras en o relativas a sistemas receptores de radio y televisión - Google Patents

Mejoras en o relativas a sistemas receptores de radio y televisión

Info

Publication number
ES177002A1
ES177002A1 ES177002A ES177002A ES177002A1 ES 177002 A1 ES177002 A1 ES 177002A1 ES 177002 A ES177002 A ES 177002A ES 177002 A ES177002 A ES 177002A ES 177002 A1 ES177002 A1 ES 177002A1
Authority
ES
Spain
Prior art keywords
relative
receiving radio
television systems
television
systems
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
ES177002A
Other languages
English (en)
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
Standard Electrica SA
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 Alcatel Espana SA, Standard Electrica SA filed Critical Alcatel Espana SA
Publication of ES177002A1 publication Critical patent/ES177002A1/es
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
    • H03D7/06—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes
    • H03D7/10—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 different pairs of electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Circuits Of Receivers In General (AREA)
ES177002A 1939-03-03 1947-02-28 Mejoras en o relativas a sistemas receptores de radio y televisión Expired ES177002A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB708639A GB525968A (en) 1939-03-03 1939-03-03 Improvements in or relating to radio and television receivers

Publications (1)

Publication Number Publication Date
ES177002A1 true ES177002A1 (es) 1947-04-16

Family

ID=9826341

Family Applications (1)

Application Number Title Priority Date Filing Date
ES177002A Expired ES177002A1 (es) 1939-03-03 1947-02-28 Mejoras en o relativas a sistemas receptores de radio y televisión

Country Status (2)

Country Link
ES (1) ES177002A1 (es)
GB (1) GB525968A (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2614212A (en) * 1948-11-19 1952-10-14 Hazeltine Research Inc Frequency converter system for radio receivers
DE928473C (de) * 1951-04-05 1955-06-02 Blaupunkt Werke Gmbh Fernsehempfaenger
US2715179A (en) * 1951-06-28 1955-08-09 Rca Corp Superheterodyne mixer circuit

Also Published As

Publication number Publication date
GB525968A (en) 1940-09-09

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