NL7201298A - Werkwijze voor informatie-overdracht. - Google Patents

Werkwijze voor informatie-overdracht.

Info

Publication number
NL7201298A
NL7201298A NL7201298A NL7201298A NL7201298A NL 7201298 A NL7201298 A NL 7201298A NL 7201298 A NL7201298 A NL 7201298A NL 7201298 A NL7201298 A NL 7201298A NL 7201298 A NL7201298 A NL 7201298A
Authority
NL
Netherlands
Prior art keywords
information transfer
transfer
information
Prior art date
Application number
NL7201298A
Other languages
English (en)
Other versions
NL159257B (nl
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 NL7201298A publication Critical patent/NL7201298A/nl
Publication of NL159257B publication Critical patent/NL159257B/nl

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)
NL7201298A 1971-03-05 1972-02-01 Stelsel voor informatie-overdracht, in het bijzonder beeldinformatie. NL159257B (nl)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
NL7201298A true NL7201298A (nl) 1978-01-31
NL159257B NL159257B (nl) 1979-01-15

Family

ID=5800567

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7201298A NL159257B (nl) 1971-03-05 1972-02-01 Stelsel voor informatie-overdracht, in het bijzonder beeldinformatie.

Country Status (5)

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

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
FR2368837B1 (nl) 1982-04-30
IT1019524B (it) 1977-11-30
GB1506559A (en) 1978-04-05
NL159257B (nl) 1979-01-15
DE2110468C1 (de) 1978-04-27
FR2368837A1 (fr) 1978-05-19

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: SIEMENS