JPS637505B2 - - Google Patents

Info

Publication number
JPS637505B2
JPS637505B2 JP55142818A JP14281880A JPS637505B2 JP S637505 B2 JPS637505 B2 JP S637505B2 JP 55142818 A JP55142818 A JP 55142818A JP 14281880 A JP14281880 A JP 14281880A JP S637505 B2 JPS637505 B2 JP S637505B2
Authority
JP
Japan
Prior art keywords
video data
data
center
terminal device
video
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
JP55142818A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5765982A (en
Inventor
Kenji Yashiro
Yoshibumi Saeki
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic Corp
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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Priority to JP55142818A priority Critical patent/JPS5765982A/ja
Priority to US06/311,082 priority patent/US4455570A/en
Publication of JPS5765982A publication Critical patent/JPS5765982A/ja
Publication of JPS637505B2 publication Critical patent/JPS637505B2/ja
Granted 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
    • 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
    • H04H20/76—Wired systems
    • H04H20/77—Wired systems using carrier waves
    • H04H20/78—CATV [Community Antenna Television] systems
    • H04H20/79—CATV [Community Antenna Television] systems using downlink of the CATV systems, e.g. audio broadcast via CATV network
    • 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
    • H04N2007/17372—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal the upstream transmission being initiated or timed by a signal from upstream of the user terminal

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
JP55142818A 1980-10-13 1980-10-13 Catv system Granted JPS5765982A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP55142818A JPS5765982A (en) 1980-10-13 1980-10-13 Catv system
US06/311,082 US4455570A (en) 1980-10-13 1981-10-13 CATV System

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55142818A JPS5765982A (en) 1980-10-13 1980-10-13 Catv system

Publications (2)

Publication Number Publication Date
JPS5765982A JPS5765982A (en) 1982-04-21
JPS637505B2 true JPS637505B2 (es) 1988-02-17

Family

ID=15324334

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55142818A Granted JPS5765982A (en) 1980-10-13 1980-10-13 Catv system

Country Status (1)

Country Link
JP (1) JPS5765982A (es)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50104813A (es) * 1974-01-21 1975-08-19
JPS5283114A (en) * 1975-12-31 1977-07-11 Matsushita Electric Ind Co Ltd Gathering receiver
JPS5544260A (en) * 1978-09-22 1980-03-28 Matsushita Electric Ind Co Ltd Receiver for multiplex information

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50104813A (es) * 1974-01-21 1975-08-19
JPS5283114A (en) * 1975-12-31 1977-07-11 Matsushita Electric Ind Co Ltd Gathering receiver
JPS5544260A (en) * 1978-09-22 1980-03-28 Matsushita Electric Ind Co Ltd Receiver for multiplex information

Also Published As

Publication number Publication date
JPS5765982A (en) 1982-04-21

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