NL7502883A - CABLE TELEVISION CONVERTOR. - Google Patents

CABLE TELEVISION CONVERTOR.

Info

Publication number
NL7502883A
NL7502883A NL7502883A NL7502883A NL7502883A NL 7502883 A NL7502883 A NL 7502883A NL 7502883 A NL7502883 A NL 7502883A NL 7502883 A NL7502883 A NL 7502883A NL 7502883 A NL7502883 A NL 7502883A
Authority
NL
Netherlands
Prior art keywords
convertor
cable television
television
cable
television convertor
Prior art date
Application number
NL7502883A
Other languages
Dutch (nl)
Original Assignee
Oak Industries 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 Oak Industries Inc filed Critical Oak Industries Inc
Publication of NL7502883A publication Critical patent/NL7502883A/en

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
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/171—Systems operating in the amplitude domain of the television signal
    • H04N7/1713—Systems operating in the amplitude domain of the television signal by modifying synchronisation signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
NL7502883A 1974-03-15 1975-03-11 CABLE TELEVISION CONVERTOR. NL7502883A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US45149074A 1974-03-15 1974-03-15

Publications (1)

Publication Number Publication Date
NL7502883A true NL7502883A (en) 1975-09-17

Family

ID=23792432

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7502883A NL7502883A (en) 1974-03-15 1975-03-11 CABLE TELEVISION CONVERTOR.

Country Status (7)

Country Link
BE (1) BE826727A (en)
CH (1) CH575694A5 (en)
DE (2) DE2510348C2 (en)
FI (1) FI67284C (en)
FR (1) FR2264448B1 (en)
GB (1) GB1500743A (en)
NL (1) NL7502883A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH575694A5 (en) * 1974-03-15 1976-05-14 Oak Industries Inc
FR2385281A2 (en) * 1974-03-15 1978-10-20 Oak Industries Inc Decoder for subscription cable TV system - removes sinusoidal noise signal unequally from audio and video intermediate frequency signals
US4145717A (en) * 1977-05-11 1979-03-20 Oak Industries Inc. Subscription TV audio carrier recovery system
US4112464A (en) * 1977-05-11 1978-09-05 Oak Industries Inc. Subscription TV decoder logic system
US4353088A (en) * 1980-05-14 1982-10-05 Oak Industries, Inc. Coding and decoding system for video and audio signals
US4336553A (en) * 1980-05-14 1982-06-22 Oak Industries Method of coding audio and video signals

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3081376A (en) * 1959-03-23 1963-03-12 Zenith Radio Corp Subscription television system
US3333198A (en) * 1965-12-29 1967-07-25 Ampli Vision Corp Television converter for catv system
US3729576A (en) * 1971-02-08 1973-04-24 Optical Sys Corp Encoding and decoding system for catv
CH575694A5 (en) * 1974-03-15 1976-05-14 Oak Industries Inc

Also Published As

Publication number Publication date
FR2264448A1 (en) 1975-10-10
GB1500743A (en) 1978-02-08
DE2711756A1 (en) 1978-09-21
FI750683A (en) 1975-09-16
DE2510348A1 (en) 1975-09-18
FR2264448B1 (en) 1979-03-30
FI67284B (en) 1984-10-31
DE2711756C2 (en) 1984-03-01
BE826727A (en) 1975-06-30
FI67284C (en) 1985-02-11
CH575694A5 (en) 1976-05-14
DE2510348C2 (en) 1983-11-03

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Legal Events

Date Code Title Description
BV The patent application has lapsed