IT1019524B - Sistema per la trasmissione di una informazione - Google Patents

Sistema per la trasmissione di una informazione

Info

Publication number
IT1019524B
IT1019524B IT2132572A IT2132572A IT1019524B IT 1019524 B IT1019524 B IT 1019524B IT 2132572 A IT2132572 A IT 2132572A IT 2132572 A IT2132572 A IT 2132572A IT 1019524 B IT1019524 B IT 1019524B
Authority
IT
Italy
Prior art keywords
transmission
information
Prior art date
Application number
IT2132572A
Other languages
English (en)
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 IT1019524B publication Critical patent/IT1019524B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • H04K1/02—Secret communication by adding a second signal to make the desired signal unintelligible

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Television Systems (AREA)
IT2132572A 1971-03-05 1972-03-02 Sistema per la trasmissione di una informazione IT1019524B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712110468 DE2110468C1 (de) 1971-03-05 1971-03-05 Verfahren zur Informationsuebertragung

Publications (1)

Publication Number Publication Date
IT1019524B true IT1019524B (it) 1977-11-30

Family

ID=5800567

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2132572A IT1019524B (it) 1971-03-05 1972-03-02 Sistema per la trasmissione di una informazione

Country Status (5)

Country Link
DE (1) DE2110468C1 (it)
FR (1) FR2368837A1 (it)
GB (1) GB1506559A (it)
IT (1) IT1019524B (it)
NL (1) NL159257B (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2509559B1 (fr) * 1981-07-10 1986-03-21 Thomson Csf Procede de transmission numerique d'images video du type television et emetteur-recepteur correspondant
FR2581197B1 (fr) * 1982-08-11 1987-09-04 Dassault Electronique Procede et dispositif pour eliminer l'effet des signaux parasites lies a la commutation des voies de reception dans un radar a impulsions.
FR2706704B1 (fr) * 1993-06-09 1995-07-13 Alcatel Telspace Système de transmission numérique à étalement de spectre obtenu par codage pseudo-aléatoire basse fréquence de l'information utile et procédé d'étalement et de compression de spectre utilisé dans un tel système.
GB2288300A (en) * 1994-04-05 1995-10-11 Christopher Robert Turner Video surveillance system using spread spectrum radio communication
GB2308949B (en) * 1996-01-08 1999-11-10 Ramar Technology Ltd Remote meter reading system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH311424A (de) * 1950-04-22 1955-11-30 Gretener Edgar Ing Dr Verfahren zur Geheimhaltung von Sprache in Nachrichtenübermittlungskanälen.
US3180927A (en) * 1961-09-07 1965-04-27 Itt Cryptosecure transmission system
FR1444250A (fr) * 1965-05-21 1966-07-01 Csf Dispositif de synchronisation d'une liaison

Also Published As

Publication number Publication date
NL159257B (nl) 1979-01-15
NL7201298A (nl) 1978-01-31
FR2368837B1 (it) 1982-04-30
GB1506559A (en) 1978-04-05
DE2110468C1 (de) 1978-04-27
FR2368837A1 (fr) 1978-05-19

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