BE758279A - RADIOTELEPHONY SYSTEM OPERATING WITH INFORMATION SIGNALS TO BE TRANSMITTED - Google Patents

RADIOTELEPHONY SYSTEM OPERATING WITH INFORMATION SIGNALS TO BE TRANSMITTED

Info

Publication number
BE758279A
BE758279A BE758279DA BE758279A BE 758279 A BE758279 A BE 758279A BE 758279D A BE758279D A BE 758279DA BE 758279 A BE758279 A BE 758279A
Authority
BE
Belgium
Prior art keywords
transmitted
information signals
system operating
radiotelephony system
radiotelephony
Prior art date
Application number
Other languages
French (fr)
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 BE758279A publication Critical patent/BE758279A/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
BE758279D 1969-10-30 1970-10-30 RADIOTELEPHONY SYSTEM OPERATING WITH INFORMATION SIGNALS TO BE TRANSMITTED BE758279A (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 (1)

Publication Number Publication Date
BE758279A true BE758279A (en) 1971-04-30

Family

ID=5749741

Family Applications (1)

Application Number Title Priority Date Filing Date
BE758279D BE758279A (en) 1969-10-30 1970-10-30 RADIOTELEPHONY SYSTEM OPERATING WITH INFORMATION SIGNALS TO BE TRANSMITTED

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
DK132049B (en) 1975-10-13
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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