IT1228123B - RADIOCOMMUNICATIONS SYSTEM. - Google Patents

RADIOCOMMUNICATIONS SYSTEM.

Info

Publication number
IT1228123B
IT1228123B IT7730270A IT3027077A IT1228123B IT 1228123 B IT1228123 B IT 1228123B IT 7730270 A IT7730270 A IT 7730270A IT 3027077 A IT3027077 A IT 3027077A IT 1228123 B IT1228123 B IT 1228123B
Authority
IT
Italy
Prior art keywords
radiocommunications system
radiocommunications
Prior art date
Application number
IT7730270A
Other languages
Italian (it)
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
Application granted granted Critical
Publication of IT1228123B publication Critical patent/IT1228123B/en

Links

Classifications

    • 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/713—Spread spectrum techniques using frequency hopping
    • 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)
IT7730270A 1977-02-17 1977-12-01 RADIOCOMMUNICATIONS SYSTEM. IT1228123B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2706615A DE2706615C1 (en) 1977-02-17 1977-02-17 Radio system

Publications (1)

Publication Number Publication Date
IT1228123B true IT1228123B (en) 1991-05-28

Family

ID=6001374

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7730270A IT1228123B (en) 1977-02-17 1977-12-01 RADIOCOMMUNICATIONS SYSTEM.

Country Status (3)

Country Link
DE (1) DE2706615C1 (en)
IT (1) IT1228123B (en)
NO (1) NO780265L (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU9123791A (en) * 1990-12-05 1992-07-08 Allied-Signal Inc. Seamless frequency hopping system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT54873B (en) * 1910-04-28 1912-08-10 Johann Sacek Device for the secrecy of messages in the case of spark telegraphy.
DE240982C (en) * 1910-09-13

Also Published As

Publication number Publication date
NO113593C (en) 1984-07-24
DE2706615C1 (en) 1990-11-15
NO780265L (en) 1990-09-17

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