IT947142B - IMPROVEMENTS TO RADIOGONIOMETERS - Google Patents

IMPROVEMENTS TO RADIOGONIOMETERS

Info

Publication number
IT947142B
IT947142B IT2000772A IT2000772A IT947142B IT 947142 B IT947142 B IT 947142B IT 2000772 A IT2000772 A IT 2000772A IT 2000772 A IT2000772 A IT 2000772A IT 947142 B IT947142 B IT 947142B
Authority
IT
Italy
Prior art keywords
radiogoniometers
Prior art date
Application number
IT2000772A
Other languages
Italian (it)
Inventor
J Casadepax
J Tardieu
Original Assignee
Dba 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
Priority claimed from FR7103217A external-priority patent/FR2143505B1/fr
Priority claimed from FR7123874A external-priority patent/FR2150565A2/fr
Application filed by Dba Sa filed Critical Dba Sa
Application granted granted Critical
Publication of IT947142B publication Critical patent/IT947142B/en

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
    • G01S3/06—Means for increasing effective directivity, e.g. by combining signals having differently oriented directivity characteristics or by sharpening the envelope waveform of the signal derived from a rotating or oscillating beam antenna
    • G01S3/065—Means for increasing effective directivity, e.g. by combining signals having differently oriented directivity characteristics or by sharpening the envelope waveform of the signal derived from a rotating or oscillating beam antenna by using non-directional aerial
    • 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
IT2000772A 1971-02-01 1972-01-31 IMPROVEMENTS TO RADIOGONIOMETERS IT947142B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7103217A FR2143505B1 (en) 1971-02-01 1971-02-01
FR7123874A FR2150565A2 (en) 1971-02-01 1971-06-30

Publications (1)

Publication Number Publication Date
IT947142B true IT947142B (en) 1973-05-21

Family

ID=26216184

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2000772A IT947142B (en) 1971-02-01 1972-01-31 IMPROVEMENTS TO RADIOGONIOMETERS

Country Status (3)

Country Link
DE (1) DE2204262A1 (en)
IT (1) IT947142B (en)
NL (1) NL7201168A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6333723B1 (en) * 2000-12-05 2001-12-25 Magneto-Inductive Systems Limited Switchable transceiver antenna

Also Published As

Publication number Publication date
NL7201168A (en) 1973-02-26
DE2204262A1 (en) 1973-05-10

Similar Documents

Publication Publication Date Title
AT333623B (en) SPORTSHOE
AT335885B (en) SPORTSHOE
BE789171A (en) ELEKTRONISCH WEEGSTELSEL MET NUMERIEKE AFLEZING
BE789172A (en) ELEKTRONISCH WEEGSTELSEL MET NUMERIEKE AFLEZING
AT329438B (en) AIRLIFTER
AT325420B (en) CORONAGENERATOR
IT960686B (en) IMPROVEMENTS TO COUNTERS
FI54714C (en) FAIRGLOES FAERGBILDARE FOER ANVAENDNING I TRYCKKAENSLIGA KOPIERINGSSYSTEM
AT342779B (en) TOOTHPASES
IT951068B (en) SUBSTITUTED THIADIAZOLIDINDIONS
IT949163B (en) IMPROVEMENTS TO VEHICLES
BE791856R (en) IMPROVEMENTS TO
BE777787A (en) ISOLERENDE BEDRADINGSPLAAT MET PENVORMIGE VERBINDORGANEN
BE777205R (en) BRAGUETTE
SE399174B (en) BLIXTLAS
IT950689B (en) PROCEDURE TO STABILIZE PROPANOSULTONE
IT947142B (en) IMPROVEMENTS TO RADIOGONIOMETERS
IT959647B (en) IMPROVEMENTS TO FILTERS
FI55765C (en) KOSMETISK VAERDEFULLA I HUDVAORDSMEDEL ANVAENDA PYRROLIDONKARBOXYLSYRAALKYLESTRAR
IT948406B (en) IMPROVEMENT AT TURBOFRANTOI
BE791013A (en) SUBSTITUTED AMINOALKYL-GUANIDINES
AT330224B (en) BLASLANCE
AT327986B (en) SNOWFROW
BE788062A (en) AUTOMATISCH PISTOOL MET SCHOTBEGRENZER
BE777767A (en) VLOERCONTACTDOOS