CH514963A - Radio telephony system with several stations that correspond to one another - Google Patents

Radio telephony system with several stations that correspond to one another

Info

Publication number
CH514963A
CH514963A CH1585770A CH1585770A CH514963A CH 514963 A CH514963 A CH 514963A CH 1585770 A CH1585770 A CH 1585770A CH 1585770 A CH1585770 A CH 1585770A CH 514963 A CH514963 A CH 514963A
Authority
CH
Switzerland
Prior art keywords
correspond
another
telephony system
several stations
radio telephony
Prior art date
Application number
CH1585770A
Other languages
German (de)
Inventor
Gammel Josef
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 CH514963A publication Critical patent/CH514963A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
CH1585770A 1969-10-30 1970-10-27 Radio telephony system with several stations that correspond to one another CH514963A (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
CH514963A true CH514963A (en) 1971-10-31

Family

ID=5749741

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1585770A CH514963A (en) 1969-10-30 1970-10-27 Radio telephony system with several stations that correspond to one another

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
GB1293816A (en) 1972-10-25
FR2066593A5 (en) 1971-08-06
BE758279A (en) 1971-04-30
NO131813B (en) 1975-04-28
DK132049C (en) 1976-03-08
DE1954754B2 (en) 1974-12-19
SE368758B (en) 1974-07-15
NL149671B (en) 1976-05-17
AT310815B (en) 1973-10-25
LU61951A1 (en) 1971-05-10
DE1954754C3 (en) 1975-08-07
NO131813C (en) 1975-08-06
DE1954754A1 (en) 1971-05-06
NL7015745A (en) 1971-05-04
DK132049B (en) 1975-10-13

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Legal Events

Date Code Title Description
PL Patent ceased