FR2525420B1 - Systeme de transmission de donnees sur un reseau de cables - Google Patents

Systeme de transmission de donnees sur un reseau de cables

Info

Publication number
FR2525420B1
FR2525420B1 FR8306060A FR8306060A FR2525420B1 FR 2525420 B1 FR2525420 B1 FR 2525420B1 FR 8306060 A FR8306060 A FR 8306060A FR 8306060 A FR8306060 A FR 8306060A FR 2525420 B1 FR2525420 B1 FR 2525420B1
Authority
FR
France
Prior art keywords
transmitting data
data over
cable network
cable
network
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
FR8306060A
Other languages
English (en)
Other versions
FR2525420A1 (fr
Inventor
Michel Dufresne
Daniel Dufresne
John Courtney
Pierre Scott
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TELECABLE VIDEOTRON Ltd
Original Assignee
TELECABLE VIDEOTRON Ltd
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 TELECABLE VIDEOTRON Ltd filed Critical TELECABLE VIDEOTRON Ltd
Publication of FR2525420A1 publication Critical patent/FR2525420A1/fr
Application granted granted Critical
Publication of FR2525420B1 publication Critical patent/FR2525420B1/fr
Expired legal-status Critical Current

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
    • H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • H04N7/165—Centralised control of user terminal ; Registering at central
    • 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
    • H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
FR8306060A 1982-04-15 1983-04-07 Systeme de transmission de donnees sur un reseau de cables Expired FR2525420B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA000401036A CA1177558A (fr) 1982-04-15 1982-04-15 Systeme de transmission de donnees par reseau cable

Publications (2)

Publication Number Publication Date
FR2525420A1 FR2525420A1 (fr) 1983-10-21
FR2525420B1 true FR2525420B1 (fr) 1988-10-14

Family

ID=4122584

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8306060A Expired FR2525420B1 (fr) 1982-04-15 1983-04-07 Systeme de transmission de donnees sur un reseau de cables

Country Status (10)

Country Link
US (1) US4623920A (fr)
JP (2) JPS5915348A (fr)
CA (1) CA1177558A (fr)
DE (1) DE3312723C2 (fr)
DK (1) DK159466C (fr)
FR (1) FR2525420B1 (fr)
GB (1) GB2118750B (fr)
IL (1) IL68338A (fr)
IT (1) IT1212082B (fr)
NL (1) NL191818C (fr)

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Also Published As

Publication number Publication date
DK131583D0 (da) 1983-03-23
IL68338A (en) 1987-02-27
GB2118750B (en) 1985-10-30
IL68338A0 (en) 1983-07-31
DE3312723C2 (de) 1986-02-13
JPS5915348A (ja) 1984-01-26
DK159466B (da) 1990-10-15
JPH0535635Y2 (fr) 1993-09-09
IT8320414A0 (it) 1983-03-31
FR2525420A1 (fr) 1983-10-21
NL191818C (nl) 1996-08-02
DE3312723A1 (de) 1983-10-27
DK131583A (da) 1983-10-16
DK159466C (da) 1991-03-25
IT1212082B (it) 1989-11-08
US4623920A (en) 1986-11-18
NL8301010A (nl) 1983-11-01
CA1177558A (fr) 1984-11-06
JPH0496154U (fr) 1992-08-20
GB2118750A (en) 1983-11-02
NL191818B (nl) 1996-04-01
GB8310250D0 (en) 1983-05-18

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