NO153200C - Fremgangsmaate og anordning for deteksjon og fortolkning av et noedsignal. - Google Patents
Fremgangsmaate og anordning for deteksjon og fortolkning av et noedsignal.Info
- Publication number
- NO153200C NO153200C NO800306A NO800306A NO153200C NO 153200 C NO153200 C NO 153200C NO 800306 A NO800306 A NO 800306A NO 800306 A NO800306 A NO 800306A NO 153200 C NO153200 C NO 153200C
- Authority
- NO
- Norway
- Prior art keywords
- interpretation
- procedure
- detection
- emergency signal
- emergency
- Prior art date
Links
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
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)
- Alarm Systems (AREA)
- Mobile Radio Communication Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE193301A BE873970A (fr) | 1979-02-06 | 1979-02-06 | Systeme de telecommunications de detresse par satellite |
Publications (3)
Publication Number | Publication Date |
---|---|
NO800306L NO800306L (no) | 1980-08-07 |
NO153200B NO153200B (no) | 1985-10-21 |
NO153200C true NO153200C (no) | 1986-01-29 |
Family
ID=3843181
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO800306A NO153200C (no) | 1979-02-06 | 1980-02-05 | Fremgangsmaate og anordning for deteksjon og fortolkning av et noedsignal. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4352199A (no) |
EP (1) | EP0023511B1 (no) |
JP (1) | JPS56500276A (no) |
CA (1) | CA1131317A (no) |
DE (1) | DE3070138D1 (no) |
DK (1) | DK152636C (no) |
NO (1) | NO153200C (no) |
WO (1) | WO1980001631A1 (no) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4547778A (en) * | 1981-06-09 | 1985-10-15 | Texas Instruments Incorporated | Method and apparatus for automatic distress call signal transmission |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3430143A (en) * | 1965-03-15 | 1969-02-25 | Gen Dynamics Corp | Communications system wherein information is represented by the phase difference between adjacent tones |
US3432755A (en) * | 1966-10-03 | 1969-03-11 | Joe Moreno | Distress signalling device for submarine and aircraft |
US3581208A (en) * | 1968-12-16 | 1971-05-25 | William Buehrle Jr | Emergency warning and identification apparatus for two-way radio communication system |
US3668526A (en) * | 1969-09-12 | 1972-06-06 | Jerome S Raskin | Communication system having means for causing a distress signal |
FR2113907B1 (no) * | 1970-11-12 | 1974-07-19 | Int Standard Electric Corp | |
US3723876A (en) * | 1971-06-21 | 1973-03-27 | G Seaborn | Emergency distress signaling system |
JPS4948663B2 (no) * | 1972-06-07 | 1974-12-23 | ||
US3914692A (en) * | 1973-08-29 | 1975-10-21 | Jr George C Seaborn | Emergency communication system |
BE873970A (fr) * | 1979-02-06 | 1979-05-29 | Organisation Europ De Rech S S | Systeme de telecommunications de detresse par satellite |
-
1980
- 1980-01-25 WO PCT/EP1980/000003 patent/WO1980001631A1/de active IP Right Grant
- 1980-01-25 DE DE8080900365T patent/DE3070138D1/de not_active Expired
- 1980-01-25 JP JP50046780A patent/JPS56500276A/ja active Pending
- 1980-01-25 US US06/205,447 patent/US4352199A/en not_active Expired - Lifetime
- 1980-02-05 NO NO800306A patent/NO153200C/no unknown
- 1980-02-05 CA CA345,102A patent/CA1131317A/fr not_active Expired
- 1980-08-15 EP EP80900365A patent/EP0023511B1/fr not_active Expired
- 1980-10-06 DK DK421780A patent/DK152636C/da not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPS56500276A (no) | 1981-03-05 |
WO1980001631A1 (en) | 1980-08-07 |
CA1131317A (fr) | 1982-09-07 |
NO153200B (no) | 1985-10-21 |
DE3070138D1 (en) | 1985-03-28 |
EP0023511B1 (fr) | 1985-02-13 |
DK152636B (da) | 1988-03-28 |
US4352199A (en) | 1982-09-28 |
DK421780A (da) | 1980-10-06 |
EP0023511A1 (fr) | 1981-02-11 |
NO800306L (no) | 1980-08-07 |
DK152636C (da) | 1988-08-15 |
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