FR866437A - Perfectionnements aux radio-dispositifs à ondes dirigées - Google Patents

Perfectionnements aux radio-dispositifs à ondes dirigées

Info

Publication number
FR866437A
FR866437A FR866437DA FR866437A FR 866437 A FR866437 A FR 866437A FR 866437D A FR866437D A FR 866437DA FR 866437 A FR866437 A FR 866437A
Authority
FR
France
Prior art keywords
radio devices
wave radio
directed wave
directed
devices
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
Other languages
English (en)
French (fr)
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.)
Alcatel Lucent Deutschland AG
C Lorenz AG
Original Assignee
Standard Elektrik Lorenz AG
C Lorenz AG
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 Standard Elektrik Lorenz AG, C Lorenz AG filed Critical Standard Elektrik Lorenz AG
Application granted granted Critical
Publication of FR866437A publication Critical patent/FR866437A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • 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)
FR866437D 1938-10-22 1939-06-20 Perfectionnements aux radio-dispositifs à ondes dirigées Expired FR866437A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US236453A US2251997A (en) 1938-10-22 1938-10-22 Directional radio system

Publications (1)

Publication Number Publication Date
FR866437A true FR866437A (fr) 1941-08-12

Family

ID=22889564

Family Applications (1)

Application Number Title Priority Date Filing Date
FR866437D Expired FR866437A (fr) 1938-10-22 1939-06-20 Perfectionnements aux radio-dispositifs à ondes dirigées

Country Status (6)

Country Link
US (1) US2251997A (en, 2012)
BE (1) BE435055A (en, 2012)
CH (1) CH215432A (en, 2012)
DE (1) DE734357C (en, 2012)
FR (1) FR866437A (en, 2012)
NL (1) NL55792C (en, 2012)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2527547A (en) * 1941-02-10 1950-10-31 Int Standard Electric Corp Self-contained radio guiding apparatus for mobile craft
NL62600C (en, 2012) * 1942-10-02
US2478781A (en) * 1944-06-02 1949-08-09 Bell Telephone Labor Inc Circuit maker and breaker
US2496242A (en) * 1944-07-22 1950-01-31 Philco Corp Antenna system
US2441615A (en) * 1945-01-17 1948-05-18 Rca Corp Antenna system
US2557941A (en) * 1945-07-07 1951-06-26 Standard Telephones Cables Ltd Directive antenna
US2471215A (en) * 1945-09-27 1949-05-24 Pye Ltd Radio antenna
US2480186A (en) * 1945-10-10 1949-08-30 Us Sec War Antenna
US2479227A (en) * 1945-11-06 1949-08-16 Edgar N Gilbert Dual frequency antenna
US2479272A (en) * 1945-12-10 1949-08-16 Robert M Silliman Antenna
US2472274A (en) * 1946-04-23 1949-06-07 Rca Corp High-frequency coaxial cable switch
US2615131A (en) * 1946-09-12 1952-10-21 Rca Corp Antenna and matching circuit
US2642495A (en) * 1947-08-21 1953-06-16 Ethel M George Coaxial transmission line switch
US2644928A (en) * 1948-06-09 1953-07-07 Rca Corp Directional transmission line transducer
US2571368A (en) * 1949-03-11 1951-10-16 Leonard R Kahn Aircraft radio range system
US2635176A (en) * 1949-09-01 1953-04-14 Rca Corp Radio-frequency heating system
US2660710A (en) * 1951-07-09 1953-11-24 Bendix Aviat Corp High-frequency coupling system
US2716219A (en) * 1951-08-31 1955-08-23 Du Mont Allen B Lab Inc Mixer circuit
US3175219A (en) * 1961-06-20 1965-03-23 Gen Dynamics Corp Circular dipole array with central reflector and switching system for beam steering
GB1579452A (en) * 1977-06-23 1980-11-19 Npp Teshka Radioelektronika Aerial system

Also Published As

Publication number Publication date
CH215432A (fr) 1941-06-30
BE435055A (en, 2012)
DE734357C (de) 1943-04-14
NL55792C (en, 2012)
US2251997A (en) 1941-08-12

Similar Documents

Publication Publication Date Title
FR848204A (fr) Perfectionnements aux sélecteurs
FR866437A (fr) Perfectionnements aux radio-dispositifs à ondes dirigées
FR51488E (fr) Dispositif à ondes ultra-courtes
FR862506A (fr) Perfectionnements aux antennes
FR859440A (fr) Récepteur à superréaction pour ondes courtes
FR858202A (fr) Appareil récepteur radio-électrique
FR861480A (fr) Perfectionnements aux gants
FR847613A (fr) Perfectionnements aux stylographes
FR863492A (fr) Perfectionnements aux antennes à ondes très courtes
FR851908A (fr) Perfectionnement aux vibrateurs
FR837423A (fr) Antenne à ondes mobiles
FR849139A (fr) Perfectionnements aux magnétrons
FR846691A (fr) Perfectionnement aux appareils à dessiner
FR846362A (fr) Perfectionnement aux appareils vibrants
FR862402A (fr) Dispositifs récepteurs d'ondes radio-électriques
FR859037A (fr) Oscillateur à ondes courtes
FR845505A (fr) Perfectionnements aux sélecteurs
FR843680A (fr) Appareil radio et phono-électrique
FR847316A (fr) Perfectionnements aux appareils à tamiser
FR857828A (fr) émetteur à ondes courtes
FR850091A (fr) Perfectionnements aux vélocimanes
FR840932A (fr) Perfectionnements aux soufreuses-poudreuses
FR846302A (fr) Instrument à dessiner
FR838881A (fr) Boîte à pansement
CH228691A (fr) Atténuateur non-équilibré à impédance constante.