BE873970A - DISTRESS SATELLITE TELECOMMUNICATIONS SYSTEM - Google Patents

DISTRESS SATELLITE TELECOMMUNICATIONS SYSTEM

Info

Publication number
BE873970A
BE873970A BE193301A BE193301A BE873970A BE 873970 A BE873970 A BE 873970A BE 193301 A BE193301 A BE 193301A BE 193301 A BE193301 A BE 193301A BE 873970 A BE873970 A BE 873970A
Authority
BE
Belgium
Prior art keywords
distress
telecommunications system
satellite telecommunications
satellite
telecommunications
Prior art date
Application number
BE193301A
Other languages
French (fr)
Inventor
R Rogard
Original Assignee
Organisation Europ De Rech S S
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 Organisation Europ De Rech S S filed Critical Organisation Europ De Rech S S
Priority to BE193301A priority Critical patent/BE873970A/en
Publication of BE873970A publication Critical patent/BE873970A/en
Priority to JP50046780A priority patent/JPS56500276A/ja
Priority to US06/205,447 priority patent/US4352199A/en
Priority to PCT/EP1980/000003 priority patent/WO1980001631A1/en
Priority to DE8080900365T priority patent/DE3070138D1/en
Priority to NO800306A priority patent/NO153200C/en
Priority to CA345,102A priority patent/CA1131317A/en
Priority to EP80900365A priority patent/EP0023511B1/en
Priority to DK421780A priority patent/DK152636C/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/016—Personal emergency signalling and security systems
    • 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
    • H04B1/02—Transmitters
    • H04B1/03—Constructional details, e.g. casings, housings
    • H04B1/034—Portable transmitters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
    • H04L27/2275—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses the received modulated signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
BE193301A 1979-02-06 1979-02-06 DISTRESS SATELLITE TELECOMMUNICATIONS SYSTEM BE873970A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
BE193301A BE873970A (en) 1979-02-06 1979-02-06 DISTRESS SATELLITE TELECOMMUNICATIONS SYSTEM
JP50046780A JPS56500276A (en) 1979-02-06 1980-01-25
US06/205,447 US4352199A (en) 1979-02-06 1980-01-25 Method and device for detecting and interpreting a distress signal
PCT/EP1980/000003 WO1980001631A1 (en) 1979-02-06 1980-01-25 Process and device for detecting and interpreting a distress signal
DE8080900365T DE3070138D1 (en) 1979-02-06 1980-01-25 Process and device for detecting and interpreting a distress signal
NO800306A NO153200C (en) 1979-02-06 1980-02-05 PROCEDURE AND DEVICE FOR THE DETECTION AND INTERPRETATION OF AN EMERGENCY SIGNAL.
CA345,102A CA1131317A (en) 1979-02-06 1980-02-05 Method and device for detecting and interpreting a distress signal
EP80900365A EP0023511B1 (en) 1979-02-06 1980-08-15 Process and device for detecting and interpreting a distress signal
DK421780A DK152636C (en) 1979-02-06 1980-10-06 METHOD AND APPARATUS FOR DETECTING AND INTERPRETING AN EMERGENCY SIGNAL

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE193301A BE873970A (en) 1979-02-06 1979-02-06 DISTRESS SATELLITE TELECOMMUNICATIONS SYSTEM
BE873970 1979-02-06

Publications (1)

Publication Number Publication Date
BE873970A true BE873970A (en) 1979-05-29

Family

ID=25651254

Family Applications (1)

Application Number Title Priority Date Filing Date
BE193301A BE873970A (en) 1979-02-06 1979-02-06 DISTRESS SATELLITE TELECOMMUNICATIONS SYSTEM

Country Status (1)

Country Link
BE (1) BE873970A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980001631A1 (en) * 1979-02-06 1980-08-07 Org Europeene De Rech Process and device for detecting and interpreting a distress signal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1980001631A1 (en) * 1979-02-06 1980-08-07 Org Europeene De Rech Process and device for detecting and interpreting a distress signal

Similar Documents

Publication Publication Date Title
FR2392712B1 (en) EXTRACTOR-MIXER SYSTEM
JPS5487368A (en) Positioning system
BE878589A (en) SECURITY SYSTEM
FR2400779B1 (en) TRANSMISSION SYSTEM
BE859268A (en) RADIOCOMMUNICATIONS SYSTEM
SE7810439L (en) COMMUNICATION SYSTEM
SE7804577L (en) COMMUNICATION SYSTEM
NO149750C (en) RADAR SYSTEM
SE7904883L (en) AIR-BASED FREEZING SYSTEM
FR2344849A1 (en) RADIO-INTERFEROMETRY SYSTEM
BE870101A (en) TIME MULTIPLEX COMMUNICATION SYSTEM
DK72880A (en) RADAR SYSTEM
SE7803498L (en) ANTENNA SYSTEM
BE893102A (en) COMMUNICATION SYSTEM
AU4263178A (en) Antenna system
BE876025A (en) SIGNALING SYSTEM
FR2404353B1 (en) DIGITAL TRANSMISSION SYSTEM
FR2386824B1 (en) RADIONAVIGATION SYSTEM
JPS5435569A (en) Priority system
DK297678A (en) COLOR TELEVISION RECEPTION SYSTEM
DK297478A (en) COLOR TELEVISION RECEPTION SYSTEM
BE862540A (en) RADIOTELEPHONY SYSTEM
JPS5420639A (en) Antenna system
GB2007933B (en) Radar system
DK297578A (en) COLOR TELEVISION RECEPTION SYSTEM

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: ORGANISATION EUROPEENNE DE RECHERCHES SPATIALES

Effective date: 19930228