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ES182436A1 - Mejoras en sistemas de conmutación electrónica - Google Patents

Mejoras en sistemas de conmutación electrónica

Info

Publication number
ES182436A1
ES182436A1 ES182436A ES182436A ES182436A1 ES 182436 A1 ES182436 A1 ES 182436A1 ES 182436 A ES182436 A ES 182436A ES 182436 A ES182436 A ES 182436A ES 182436 A1 ES182436 A1 ES 182436A1
Authority
ES
Spain
Prior art keywords
electronic switching
switching systems
systems
electronic
switching
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
ES182436A
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 ES182436A1 publication Critical patent/ES182436A1/es
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
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
ES182436A 1945-02-23 1948-02-18 Mejoras en sistemas de conmutación electrónica Expired ES182436A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US579451A US2457173A (en) 1945-02-23 1945-02-23 Electronic switching system

Publications (1)

Publication Number Publication Date
ES182436A1 true ES182436A1 (es) 1948-04-16

Family

ID=24316964

Family Applications (1)

Application Number Title Priority Date Filing Date
ES182436A Expired ES182436A1 (es) 1945-02-23 1948-02-18 Mejoras en sistemas de conmutación electrónica

Country Status (2)

Country Link
US (1) US2457173A (es)
ES (1) ES182436A1 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2693529A (en) * 1945-11-30 1954-11-02 Alvin M Marks Fundamental tuning device
US2700763A (en) * 1949-08-19 1955-01-25 Jr Owen F Foin Angle detector circuit for radar use
US2579852A (en) * 1949-10-17 1951-12-25 Gen Instr Inc Multiple recorder

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1991475A (en) * 1934-01-27 1935-02-19 Gen Electric Direction finder
US2136621A (en) * 1936-06-20 1938-11-15 Bell Telephone Labor Inc Antenna selector system
US2188556A (en) * 1936-08-03 1940-01-30 Solar Aircraft Co Radio compass system
US2252063A (en) * 1937-08-07 1941-08-12 Rca Corp Radio direction finder
US2189317A (en) * 1938-08-31 1940-02-06 Rca Corp Diversity antenna system
US2284475A (en) * 1939-04-26 1942-05-26 Plebanski Jozef Radio direction finding system
US2312203A (en) * 1940-04-20 1943-02-23 Panoramic Lab Inc Radio beacon and panoramic reception system
BE476281A (es) * 1940-08-17
US2300999A (en) * 1940-10-30 1942-11-03 Westinghouse Electric & Mfg Co Electromagnetic inspection system
US2353742A (en) * 1941-08-26 1944-07-18 Gen Electric High-frequency apparatus

Also Published As

Publication number Publication date
US2457173A (en) 1948-12-28

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