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ES178249A1 - IMPROVEMENTS IN DEVICES TO GENERATE ELECTRICAL WAVES - Google Patents

IMPROVEMENTS IN DEVICES TO GENERATE ELECTRICAL WAVES

Info

Publication number
ES178249A1
ES178249A1 ES178249A ES178249A ES178249A1 ES 178249 A1 ES178249 A1 ES 178249A1 ES 178249 A ES178249 A ES 178249A ES 178249 A ES178249 A ES 178249A ES 178249 A1 ES178249 A1 ES 178249A1
Authority
ES
Spain
Prior art keywords
devices
generate electrical
electrical waves
waves
generate
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
ES178249A
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
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 ES178249A1 publication Critical patent/ES178249A1/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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/91—Radar or analogous systems specially adapted for specific applications for traffic control
    • G01S13/913—Radar or analogous systems specially adapted for specific applications for traffic control for landing purposes

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
ES178249A 1943-09-06 1947-05-30 IMPROVEMENTS IN DEVICES TO GENERATE ELECTRICAL WAVES Expired ES178249A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US590620XA 1943-09-06 1943-09-06

Publications (1)

Publication Number Publication Date
ES178249A1 true ES178249A1 (en) 1947-07-16

Family

ID=22020587

Family Applications (1)

Application Number Title Priority Date Filing Date
ES178249A Expired ES178249A1 (en) 1943-09-06 1947-05-30 IMPROVEMENTS IN DEVICES TO GENERATE ELECTRICAL WAVES

Country Status (4)

Country Link
ES (1) ES178249A1 (en)
FR (1) FR951079A (en)
GB (1) GB590620A (en)
NL (1) NL78126C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11726480B2 (en) * 2020-04-07 2023-08-15 Insitu, Inc. Aircraft guidance with transmitting beacons

Also Published As

Publication number Publication date
NL78126C (en)
FR951079A (en) 1949-10-14
GB590620A (en) 1947-07-23

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