CA971270A - Catv program control system - Google Patents

Catv program control system

Info

Publication number
CA971270A
CA971270A CA158,946A CA158946A CA971270A CA 971270 A CA971270 A CA 971270A CA 158946 A CA158946 A CA 158946A CA 971270 A CA971270 A CA 971270A
Authority
CA
Canada
Prior art keywords
control system
program control
catv program
catv
program
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
CA158,946A
Other languages
English (en)
Other versions
CA158946S (en
Inventor
Richard T. Callais
Herbert Eisenberg
F. Douglas Forbes
John B. Frost
Thomas J. Kosco
Harry M. Taxin
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.)
Raytheon Co
Original Assignee
Hughes Aircraft Co
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 Hughes Aircraft Co filed Critical Hughes Aircraft Co
Application granted granted Critical
Publication of CA971270A publication Critical patent/CA971270A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/16Analogue secrecy systems; Analogue subscription systems
    • H04N7/173Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17345Control of the passage of the selected programme
    • H04N7/17363Control of the passage of the selected programme at or near the user terminal

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
CA158,946A 1971-12-17 1972-12-15 Catv program control system Expired CA971270A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20922271A 1971-12-17 1971-12-17

Publications (1)

Publication Number Publication Date
CA971270A true CA971270A (en) 1975-07-15

Family

ID=22777865

Family Applications (1)

Application Number Title Priority Date Filing Date
CA158,946A Expired CA971270A (en) 1971-12-17 1972-12-15 Catv program control system

Country Status (11)

Country Link
US (1) US3790700A (de)
JP (1) JPS4869413A (de)
BE (1) BE792774A (de)
CA (1) CA971270A (de)
CH (1) CH547044A (de)
DE (1) DE2260621C3 (de)
FR (1) FR2163676B1 (de)
GB (1) GB1408419A (de)
IT (1) IT974091B (de)
NL (1) NL161025C (de)
SE (1) SE376825B (de)

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Also Published As

Publication number Publication date
DE2260621C3 (de) 1975-09-04
NL161025C (nl) 1979-12-17
US3790700A (en) 1974-02-05
NL161025B (nl) 1979-07-16
GB1408419A (en) 1975-10-01
CH547044A (de) 1974-03-15
BE792774A (fr) 1973-03-30
FR2163676A1 (de) 1973-07-27
DE2260621A1 (de) 1973-06-28
JPS4869413A (de) 1973-09-20
NL7217169A (de) 1973-06-19
FR2163676B1 (de) 1976-06-04
DE2260621B2 (de) 1975-01-30
IT974091B (it) 1974-06-20
SE376825B (de) 1975-06-09

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