NO179889C - Kabelfjernsynssystem hvor informasjonssignaler overföres for flere abonnenter, samt abonnentterminal for anvendelse i et sådant system - Google Patents

Kabelfjernsynssystem hvor informasjonssignaler overföres for flere abonnenter, samt abonnentterminal for anvendelse i et sådant system

Info

Publication number
NO179889C
NO179889C NO904042A NO904042A NO179889C NO 179889 C NO179889 C NO 179889C NO 904042 A NO904042 A NO 904042A NO 904042 A NO904042 A NO 904042A NO 179889 C NO179889 C NO 179889C
Authority
NO
Norway
Prior art keywords
terminal
transmitted
subscriber
signal
signals
Prior art date
Application number
NO904042A
Other languages
English (en)
Other versions
NO904042D0 (no
NO904042L (no
NO179889B (no
Inventor
Woo H Paik
David Grubb Iii
David Edward Charlton
Original Assignee
Gen Instrument Corp
Corning Inc
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 Gen Instrument Corp, Corning Inc filed Critical Gen Instrument Corp
Publication of NO904042D0 publication Critical patent/NO904042D0/no
Publication of NO904042L publication Critical patent/NO904042L/no
Publication of NO179889B publication Critical patent/NO179889B/no
Publication of NO179889C publication Critical patent/NO179889C/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/65—Arrangements characterised by transmission systems for broadcast
    • H04H20/69—Optical systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/10—Adaptations for transmission by electrical cable
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0226—Fixed carrier allocation, e.g. according to service
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • H04J14/0228—Wavelength allocation for communications one-to-all, e.g. broadcasting wavelengths
    • H04J14/023—Wavelength allocation for communications one-to-all, e.g. broadcasting wavelengths in WDM passive optical networks [WDM-PON]
    • H04J14/0232—Wavelength allocation for communications one-to-all, e.g. broadcasting wavelengths in WDM passive optical networks [WDM-PON] for downstream transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0278—WDM optical network architectures
    • H04J14/0282—WDM tree architectures
    • 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
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17345—Control of the passage of the selected programme
    • 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
    • H04N7/17345—Control of the passage of the selected programme
    • H04N7/17363—Control of the passage of the selected programme at or near the user terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/22—Adaptations for optical transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0298—Wavelength-division multiplex systems with sub-carrier multiplexing [SCM]
    • 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
    • H04N2007/1739—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal the upstream communication being transmitted via a separate link, e.g. telephone line

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Optical Communication System (AREA)
  • Details Of Television Systems (AREA)
NO904042A 1989-09-19 1990-09-17 Kabelfjernsynssystem hvor informasjonssignaler overföres for flere abonnenter, samt abonnentterminal for anvendelse i et sådant system NO179889C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/409,214 US5136411A (en) 1987-12-11 1989-09-19 Dynamically responsive CATV system with shared fiber optic link

Publications (4)

Publication Number Publication Date
NO904042D0 NO904042D0 (no) 1990-09-17
NO904042L NO904042L (no) 1991-03-20
NO179889B NO179889B (no) 1996-09-23
NO179889C true NO179889C (no) 1997-01-02

Family

ID=23619526

Family Applications (1)

Application Number Title Priority Date Filing Date
NO904042A NO179889C (no) 1989-09-19 1990-09-17 Kabelfjernsynssystem hvor informasjonssignaler overföres for flere abonnenter, samt abonnentterminal for anvendelse i et sådant system

Country Status (11)

Country Link
US (1) US5136411A (no)
EP (1) EP0419137B1 (no)
JP (1) JP3305710B2 (no)
KR (1) KR940006733B1 (no)
AU (1) AU620735B2 (no)
CA (1) CA2025521C (no)
DE (1) DE69024006T2 (no)
DK (1) DK0419137T3 (no)
FI (1) FI98030C (no)
NO (1) NO179889C (no)
NZ (1) NZ235309A (no)

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Also Published As

Publication number Publication date
DE69024006D1 (de) 1996-01-18
AU620735B2 (en) 1992-02-20
DK0419137T3 (da) 1996-04-29
JP3305710B2 (ja) 2002-07-24
AU6254690A (en) 1991-05-23
FI98030C (fi) 1997-03-25
EP0419137A2 (en) 1991-03-27
KR910007368A (ko) 1991-04-30
NO904042D0 (no) 1990-09-17
JPH03167987A (ja) 1991-07-19
EP0419137B1 (en) 1995-12-06
NO904042L (no) 1991-03-20
DE69024006T2 (de) 1996-05-15
US5136411A (en) 1992-08-04
NO179889B (no) 1996-09-23
EP0419137A3 (en) 1992-04-15
FI904397A0 (fi) 1990-09-06
CA2025521C (en) 1998-01-06
FI98030B (fi) 1996-12-13
KR940006733B1 (ko) 1994-07-27
CA2025521A1 (en) 1991-03-20
NZ235309A (en) 1992-12-23

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