ES178066A1 - IMPROVEMENTS IN ANTENNAS SYSTEMS - Google Patents

IMPROVEMENTS IN ANTENNAS SYSTEMS

Info

Publication number
ES178066A1
ES178066A1 ES0178066A ES178066A ES178066A1 ES 178066 A1 ES178066 A1 ES 178066A1 ES 0178066 A ES0178066 A ES 0178066A ES 178066 A ES178066 A ES 178066A ES 178066 A1 ES178066 A1 ES 178066A1
Authority
ES
Spain
Prior art keywords
radiation
center
antennas systems
systems
directional antenna
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
ES0178066A
Other languages
Spanish (es)
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
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 filed Critical Alcatel Espana SA
Publication of ES178066A1 publication Critical patent/ES178066A1/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/04—Details
    • G01S3/12—Means for determining sense of direction, e.g. by combining signals from directional antenna or goniometer search coil with those from non-directional antenna

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Aerials With Secondary Devices (AREA)
  • Waveguide Aerials (AREA)

Abstract

Mejoras en sistemas de antenas comprendiendo una antena direccional teniendo un centro de radiación una antena no direccional teniendo un centro de radiación los mencionados centros de radiación estando espaciados entre sí en una distancia igual a una fracción predeterminada de la longitud de onda de la frecuencia de operación.Improvements in antenna systems comprising a directional antenna having a center of radiation a non-directional antenna having a center of radiation the said centers of radiation being spaced apart by a distance equal to a predetermined fraction of the wavelength of the operating frequency .

ES0178066A 1943-08-09 1947-05-17 IMPROVEMENTS IN ANTENNAS SYSTEMS Expired ES178066A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US497877A US2421032A (en) 1943-08-09 1943-08-09 Unidirectional antenna

Publications (1)

Publication Number Publication Date
ES178066A1 true ES178066A1 (en) 1947-07-01

Family

ID=23978681

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0178066A Expired ES178066A1 (en) 1943-08-09 1947-05-17 IMPROVEMENTS IN ANTENNAS SYSTEMS

Country Status (2)

Country Link
US (1) US2421032A (en)
ES (1) ES178066A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL113618C (en) * 1956-05-25
US4570164A (en) * 1982-09-02 1986-02-11 Rockwell International Corporation Receive antenna system in the presence of a transmitting antenna
US4809009A (en) * 1988-01-25 1989-02-28 Grimes Dale M Resonant antenna

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1296177A (en) * 1915-11-27 1919-03-04 Marconi Wireless Telegraph Co America Aerial for wireless signaling.
US2002430A (en) * 1930-04-11 1935-05-21 Ben J Chromy Radio receiving system
US2030181A (en) * 1933-10-06 1936-02-11 American Telephone & Telegraph Directional radio signaling
US2286839A (en) * 1939-12-20 1942-06-16 Bell Telephone Labor Inc Directive antenna system
US2256619A (en) * 1940-06-01 1941-09-23 Rca Corp Directional antenna

Also Published As

Publication number Publication date
US2421032A (en) 1947-05-27

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