GB1471350A - Method and apparatus for calling a ground station from an aircraft - Google Patents

Method and apparatus for calling a ground station from an aircraft

Info

Publication number
GB1471350A
GB1471350A GB3772674A GB3772674A GB1471350A GB 1471350 A GB1471350 A GB 1471350A GB 3772674 A GB3772674 A GB 3772674A GB 3772674 A GB3772674 A GB 3772674A GB 1471350 A GB1471350 A GB 1471350A
Authority
GB
United Kingdom
Prior art keywords
transmitted
calling
signal
generator
tens
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
GB3772674A
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.)
Nederlanden Staat
Original Assignee
Nederlanden Staat
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 NL7312158A external-priority patent/NL159553B/xx
Application filed by Nederlanden Staat filed Critical Nederlanden Staat
Publication of GB1471350A publication Critical patent/GB1471350A/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
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Radio Relay Systems (AREA)
GB3772674A 1973-09-04 1974-08-29 Method and apparatus for calling a ground station from an aircraft Expired GB1471350A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7312158A NL159553B (nl) 1973-09-04 1973-09-04 Stelsel voor het oproepen van een grondstation door een vliegtuig.
US44349974A 1974-02-19 1974-02-19

Publications (1)

Publication Number Publication Date
GB1471350A true GB1471350A (en) 1977-04-21

Family

ID=26644909

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3772674A Expired GB1471350A (en) 1973-09-04 1974-08-29 Method and apparatus for calling a ground station from an aircraft

Country Status (8)

Country Link
JP (1) JPS5065102A (https=)
CH (1) CH595021A5 (https=)
DK (1) DK465374A (https=)
FR (1) FR2242821B1 (https=)
GB (1) GB1471350A (https=)
NO (1) NO139763C (https=)
SE (1) SE397914B (https=)
SU (1) SU1181572A3 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6128308U (ja) * 1984-07-23 1986-02-20 川辺農研産業株式会社 作業機の連結支持装置

Also Published As

Publication number Publication date
CH595021A5 (https=) 1978-01-31
DE2441094B2 (de) 1976-01-02
JPS5065102A (https=) 1975-06-02
NO139763C (no) 1979-05-02
SU1181572A3 (ru) 1985-09-23
SE7411055L (https=) 1975-03-05
SE397914B (sv) 1977-11-21
DK465374A (https=) 1975-05-05
FR2242821B1 (https=) 1976-10-22
NO743164L (https=) 1975-04-01
FR2242821A1 (https=) 1976-10-22
NO139763B (no) 1979-01-22
DE2441094A1 (de) 1975-04-03

Similar Documents

Publication Publication Date Title
US3803491A (en) Communications system
US5020154A (en) Transmission link
GB1531316A (en) Radio central station alarm system
US3714375A (en) Secondary phase modulated communications service via am broadcast stations
US2982852A (en) Anti-multipath communication system
GB2132398A (en) A location monitoring system
US3233221A (en) Binary code selective calling system having synchronized clock oscillators at the transmitter and receiver
US4112368A (en) Constant amplitude carrier communications system
GB1269089A (en) Improvements in digital information transfer system
US2134562A (en) Signature keying device
GB1008387A (en) Improvements in or relating to pulse code communication
GB1471350A (en) Method and apparatus for calling a ground station from an aircraft
US3183442A (en) Phaseproof pulse signal transmission system utilizing binary to quaternary conversion means
GB1082804A (en) A time-division multiplexed pcm transmission system
US2406835A (en) Method and means for transmitting intelligence
US4584691A (en) Timed pulse communication system
GB1459041A (en) Radio communication system
GB1392546A (en) Binary data communication apparatus
DK152239C (da) Fremgangsmaade til kryptografisk overfoering af talesignaler og kommunikationsstation til udoevelse af fremgangsmaaden
US2810122A (en) Private line voice communication system
DE3472742D1 (en) Method for encrypted information transmission
US1530660A (en) Printing-telegraph system
GB1094001A (en) Improvements in or relating to electric signalling systems
GB1402987A (en) Interrogation of remote stations
SU1120389A1 (ru) Система дл передачи дискретной информации

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee