FR836278A - Installation d'émission et de réception pour transmission de messages sans fil, dirigés - Google Patents

Installation d'émission et de réception pour transmission de messages sans fil, dirigés

Info

Publication number
FR836278A
FR836278A FR836278DA FR836278A FR 836278 A FR836278 A FR 836278A FR 836278D A FR836278D A FR 836278DA FR 836278 A FR836278 A FR 836278A
Authority
FR
France
Prior art keywords
transmission
messages
directed
reception installation
wireless transmission
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 FR836278A publication Critical patent/FR836278A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/10—Polarisation diversity; Directional diversity
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Selective Calling Equipment (AREA)
FR836278D 1937-04-08 1938-04-06 Installation d'émission et de réception pour transmission de messages sans fil, dirigés Expired FR836278A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE205376X 1937-04-08

Publications (1)

Publication Number Publication Date
FR836278A true FR836278A (fr) 1939-01-13

Family

ID=5786890

Family Applications (1)

Application Number Title Priority Date Filing Date
FR836278D Expired FR836278A (fr) 1937-04-08 1938-04-06 Installation d'émission et de réception pour transmission de messages sans fil, dirigés

Country Status (5)

Country Link
US (1) US2234244A (enrdf_load_stackoverflow)
CH (1) CH205376A (enrdf_load_stackoverflow)
FR (1) FR836278A (enrdf_load_stackoverflow)
GB (1) GB493429A (enrdf_load_stackoverflow)
NL (1) NL51905C (enrdf_load_stackoverflow)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2607915A (en) * 1945-08-06 1952-08-19 Norgorden Oscar Radio beacon system
US3290683A (en) * 1945-10-25 1966-12-06 Naval Res Lab Aircraft homing system
US2538063A (en) * 1946-07-11 1951-01-16 Touvet Guy Search and orientation system
US2513490A (en) * 1947-02-28 1950-07-04 Rca Corp Selective communication system between ground station and a plurality of mobile stations
US2649539A (en) * 1948-02-21 1953-08-18 Bell Telephone Labor Inc Microwave carrier telephone system
US2627021A (en) * 1949-07-07 1953-01-27 Rca Corp Airborne transoceanic radio relay system
US2571386A (en) * 1949-09-16 1951-10-16 Rca Corp Early warning relay system
US2762041A (en) * 1950-09-09 1956-09-04 Motorola Inc Signalling equipment
US2641755A (en) * 1950-11-22 1953-06-09 Automatic Elect Lab Short-wave directional radio communication system
US2830292A (en) * 1950-12-29 1958-04-08 Marvin P Young Device to position a communications antenna
US3384894A (en) * 1966-11-01 1968-05-21 Mobilradio Inc Communications system for simultaneous communications on a single channel
DE2256880A1 (de) * 1972-11-20 1974-05-22 Siemens Ag Einrichtung zur durchfuehrung eines verfahrens zur standortbestimmung flaechengebundener fahrzeuge
US4121158A (en) * 1975-10-24 1978-10-17 Siemens Aktiengesellschaft Radio system
IT1209322B (it) * 1979-05-30 1989-07-16 Siemens Ag Transponder a radar secondario.
US4633463A (en) * 1984-03-28 1986-12-30 Canadian Marconi Corporation Radio communication system

Also Published As

Publication number Publication date
NL51905C (enrdf_load_stackoverflow)
GB493429A (en) 1938-10-07
US2234244A (en) 1941-03-11
CH205376A (de) 1939-06-15

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