EP0112869A1 - Teilnehmer-video-fernsehsystem - Google Patents

Teilnehmer-video-fernsehsystem

Info

Publication number
EP0112869A1
EP0112869A1 EP19830902080 EP83902080A EP0112869A1 EP 0112869 A1 EP0112869 A1 EP 0112869A1 EP 19830902080 EP19830902080 EP 19830902080 EP 83902080 A EP83902080 A EP 83902080A EP 0112869 A1 EP0112869 A1 EP 0112869A1
Authority
EP
European Patent Office
Prior art keywords
key
signal
scrambling
station
radio frequency
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.)
Withdrawn
Application number
EP19830902080
Other languages
English (en)
French (fr)
Inventor
Alex Ivachev
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0112869A1 publication Critical patent/EP0112869A1/de
Withdrawn legal-status Critical Current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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • H04K1/02—Secret communication by adding a second signal to make the desired signal unintelligible
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Selective Calling Equipment (AREA)
EP19830902080 1982-06-29 1983-06-29 Teilnehmer-video-fernsehsystem Withdrawn EP0112869A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU4631/82 1982-06-29
AU463182 1982-06-29

Publications (1)

Publication Number Publication Date
EP0112869A1 true EP0112869A1 (de) 1984-07-11

Family

ID=3695085

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19830902080 Withdrawn EP0112869A1 (de) 1982-06-29 1983-06-29 Teilnehmer-video-fernsehsystem

Country Status (2)

Country Link
EP (1) EP0112869A1 (de)
WO (1) WO1984000264A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE37209E1 (en) 1988-10-21 2001-06-05 David Ellis Hensley Extension deceleration orthosis

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1474706C3 (de) * 1965-04-02 1974-01-10 Acker Norbert Karl Automationseinrichtung für Kassenstellen von Verkaufsanlagen
US3576539A (en) * 1968-10-21 1971-04-27 Digital Data Systems Corp Counter controller credit verification system
US3684823A (en) * 1970-12-09 1972-08-15 Coaxial Scient Corp Television communications system
US3899633A (en) * 1972-05-12 1975-08-12 Columbia Pictures Ind Inc Subscription television system
US3896262A (en) * 1974-03-21 1975-07-22 Hughes Aircraft Co Subscription television jamming system
US4039954A (en) * 1975-05-27 1977-08-02 Oak Holland B.V. Signal distribution device for a cable television
US4025905A (en) * 1975-11-28 1977-05-24 Incoterm Corporation System for on-line processing of banking transactions
US4097727A (en) * 1977-09-01 1978-06-27 A-T-O Inc. Circuit for controlling automatic off-line operation of an on-line card reader
US4222067A (en) * 1978-06-23 1980-09-09 Stern Joseph L Tamper-resistant television signal scrambling
US4317214A (en) * 1980-07-14 1982-02-23 Attinello John S Apparatus for simulating interference transmissions

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO8400264A1 *

Also Published As

Publication number Publication date
WO1984000264A1 (en) 1984-01-19

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19840301

AK Designated contracting states

Designated state(s): AT BE CH DE FR GB LI LU NL SE

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19860103