DK132049B - Radiotelephone system. - Google Patents

Radiotelephone system.

Info

Publication number
DK132049B
DK132049B DK550570A DK550570A DK132049B DK 132049 B DK132049 B DK 132049B DK 550570 A DK550570 A DK 550570A DK 550570 A DK550570 A DK 550570A DK 132049 B DK132049 B DK 132049B
Authority
DK
Denmark
Prior art keywords
radiotelephone system
radiotelephone
Prior art date
Application number
DK550570A
Other languages
Danish (da)
Other versions
DK132049C (en
Inventor
J Gammel
Original Assignee
Siemens 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 Siemens Ag filed Critical Siemens Ag
Publication of DK132049B publication Critical patent/DK132049B/en
Application granted granted Critical
Publication of DK132049C publication Critical patent/DK132049C/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • H04K1/003—Secret communication by varying carrier frequency at or within predetermined or random intervals
DK550570A 1969-10-30 1970-10-29 RADIOTELEFONIANLEG DK132049C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691954754 DE1954754C3 (en) 1969-10-30 1969-10-30 Radio telephony system that works with encryption of the message signals to be transmitted

Publications (2)

Publication Number Publication Date
DK132049B true DK132049B (en) 1975-10-13
DK132049C DK132049C (en) 1976-03-08

Family

ID=5749741

Family Applications (1)

Application Number Title Priority Date Filing Date
DK550570A DK132049C (en) 1969-10-30 1970-10-29 RADIOTELEFONIANLEG

Country Status (11)

Country Link
AT (1) AT310815B (en)
BE (1) BE758279A (en)
CH (1) CH514963A (en)
DE (1) DE1954754C3 (en)
DK (1) DK132049C (en)
FR (1) FR2066593A5 (en)
GB (1) GB1293816A (en)
LU (1) LU61951A1 (en)
NL (1) NL149671B (en)
NO (1) NO131813C (en)
SE (1) SE368758B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2245646A1 (en) * 1972-09-16 1974-03-21 Bosch Elektronik Gmbh SYSTEM FOR TELEPHONE COMMUNICATION
DE2550592C1 (en) * 1975-11-11 1990-12-06 Siemens Ag Radio system
DE2650823A1 (en) * 1976-11-06 1978-05-11 Licentia Gmbh Radio communications system with fixed and mobile stations - uses available channels to max. capacity to form connections quickly
DE2737576C1 (en) * 1977-08-22 1986-01-09 Siemens AG, 1000 Berlin und 8000 München Military radar or radio communications system
DE2737577C1 (en) * 1977-08-22 1986-01-09 Siemens AG, 1000 Berlin und 8000 München Military radar or radio communications system
DE2747454C1 (en) * 1977-10-24 1992-09-24 Siemens Ag Message transfer system with frequency hopping
DE2943059C2 (en) * 1979-10-25 1984-01-05 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Radio system with synchronization of the subscriber facilities
FR2640448B1 (en) * 1980-10-13 1992-01-03 Trt Telecom Radio Electr NETWORK-BASED INFORMATION TRANSMISSION SYSTEM USING FREQUENCY HOPPING A SET OF CHANNELS
FR2527871B1 (en) * 1982-05-27 1986-04-11 Thomson Csf RADIOCOMMUNICATION SYSTEM, FREQUENCY HOPPING
FR2527872A1 (en) * 1982-05-27 1983-12-02 Thomson Csf FIXED STATION OF A RADIOCOMMUNICATION SYSTEM WITH FREQUENCY HOPPING AND BANALIZED TRANSMITTERS
DE3601372C2 (en) * 1986-01-18 1994-04-28 Deutsche Aerospace Direction finding and location system for transmitter location with frequency hopping radio connections

Also Published As

Publication number Publication date
DE1954754B2 (en) 1974-12-19
FR2066593A5 (en) 1971-08-06
CH514963A (en) 1971-10-31
DK132049C (en) 1976-03-08
DE1954754C3 (en) 1975-08-07
BE758279A (en) 1971-04-30
LU61951A1 (en) 1971-05-10
DE1954754A1 (en) 1971-05-06
GB1293816A (en) 1972-10-25
NL7015745A (en) 1971-05-04
AT310815B (en) 1973-10-25
NO131813B (en) 1975-04-28
NL149671B (en) 1976-05-17
NO131813C (en) 1975-08-06
SE368758B (en) 1974-07-15

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