DE69416429T2 - Datenmodulationsanlage zur selektiven datenverteilung - Google Patents

Datenmodulationsanlage zur selektiven datenverteilung

Info

Publication number
DE69416429T2
DE69416429T2 DE69416429T DE69416429T DE69416429T2 DE 69416429 T2 DE69416429 T2 DE 69416429T2 DE 69416429 T DE69416429 T DE 69416429T DE 69416429 T DE69416429 T DE 69416429T DE 69416429 T2 DE69416429 T2 DE 69416429T2
Authority
DE
Germany
Prior art keywords
data
modulation system
selective
distribution
data distribution
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 - Fee Related
Application number
DE69416429T
Other languages
English (en)
Other versions
DE69416429D1 (de
Inventor
Alastair Warwick
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.)
Nortel Networks Ltd
Original Assignee
Northern Telecom 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 Northern Telecom Ltd filed Critical Northern Telecom Ltd
Publication of DE69416429D1 publication Critical patent/DE69416429D1/de
Application granted granted Critical
Publication of DE69416429T2 publication Critical patent/DE69416429T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309—Transmission or handling of upstream communications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
DE69416429T 1993-12-30 1994-12-07 Datenmodulationsanlage zur selektiven datenverteilung Expired - Fee Related DE69416429T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/175,455 US5408259A (en) 1993-12-30 1993-12-30 Data modulation arrangement for selectively distributing data
PCT/CA1994/000671 WO1995018510A1 (en) 1993-12-30 1994-12-07 Data modulation arrangement for selectively distributing data

Publications (2)

Publication Number Publication Date
DE69416429D1 DE69416429D1 (de) 1999-03-18
DE69416429T2 true DE69416429T2 (de) 1999-06-10

Family

ID=22640278

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69416429T Expired - Fee Related DE69416429T2 (de) 1993-12-30 1994-12-07 Datenmodulationsanlage zur selektiven datenverteilung

Country Status (6)

Country Link
US (2) US5408259A (de)
EP (1) EP0737403B1 (de)
JP (1) JP2844019B2 (de)
CA (2) CA2136603C (de)
DE (1) DE69416429T2 (de)
WO (1) WO1995018510A1 (de)

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Also Published As

Publication number Publication date
EP0737403A1 (de) 1996-10-16
US5408259A (en) 1995-04-18
WO1995018510A1 (en) 1995-07-06
DE69416429D1 (de) 1999-03-18
CA2177163A1 (en) 1995-07-06
CA2136603C (en) 1999-08-03
CA2136603A1 (en) 1995-07-01
EP0737403B1 (de) 1999-02-03
US5499047A (en) 1996-03-12
JPH09500511A (ja) 1997-01-14
CA2177163C (en) 1999-07-27
JP2844019B2 (ja) 1999-01-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee