FI904397A0 - Yhteisellä kuituoptisella yhteydellä varustettu dynaamisesti vastaava kaapelitelevisiojärjestelmä - Google Patents

Yhteisellä kuituoptisella yhteydellä varustettu dynaamisesti vastaava kaapelitelevisiojärjestelmä

Info

Publication number
FI904397A0
FI904397A0 FI904397A FI904397A FI904397A0 FI 904397 A0 FI904397 A0 FI 904397A0 FI 904397 A FI904397 A FI 904397A FI 904397 A FI904397 A FI 904397A FI 904397 A0 FI904397 A0 FI 904397A0
Authority
FI
Finland
Prior art keywords
terminal
subscriber
signal
transmitted
signals
Prior art date
Application number
FI904397A
Other languages
English (en)
Swedish (sv)
Other versions
FI98030C (fi
FI98030B (fi
Inventor
Woo H Paik
Iii David Grubb
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 FI904397A0 publication Critical patent/FI904397A0/fi
Application granted granted Critical
Publication of FI98030B publication Critical patent/FI98030B/fi
Publication of FI98030C publication Critical patent/FI98030C/fi

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)
FI904397A 1989-09-19 1990-09-06 Yhteisellä kuituoptisella yhteydellä varustettu dynaamisesti vastaava kaapelitelevisiojärjestelmä FI98030C (fi)

Applications Claiming Priority (2)

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
US40921489 1989-09-19

Publications (3)

Publication Number Publication Date
FI904397A0 true FI904397A0 (fi) 1990-09-06
FI98030B FI98030B (fi) 1996-12-13
FI98030C FI98030C (fi) 1997-03-25

Family

ID=23619526

Family Applications (1)

Application Number Title Priority Date Filing Date
FI904397A FI98030C (fi) 1989-09-19 1990-09-06 Yhteisellä kuituoptisella yhteydellä varustettu dynaamisesti vastaava kaapelitelevisiojärjestelmä

Country Status (11)

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

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Also Published As

Publication number Publication date
CA2025521A1 (en) 1991-03-20
AU620735B2 (en) 1992-02-20
FI98030C (fi) 1997-03-25
JP3305710B2 (ja) 2002-07-24
NO179889B (no) 1996-09-23
KR910007368A (ko) 1991-04-30
JPH03167987A (ja) 1991-07-19
NO904042D0 (no) 1990-09-17
EP0419137B1 (en) 1995-12-06
NZ235309A (en) 1992-12-23
KR940006733B1 (ko) 1994-07-27
NO179889C (no) 1997-01-02
FI98030B (fi) 1996-12-13
EP0419137A2 (en) 1991-03-27
NO904042L (no) 1991-03-20
US5136411A (en) 1992-08-04
EP0419137A3 (en) 1992-04-15
CA2025521C (en) 1998-01-06
DK0419137T3 (da) 1996-04-29
DE69024006D1 (de) 1996-01-18
AU6254690A (en) 1991-05-23
DE69024006T2 (de) 1996-05-15

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