FR1106670A - Appareil de télévision perfectionné - Google Patents

Appareil de télévision perfectionné

Info

Publication number
FR1106670A
FR1106670A FR1106670DA FR1106670A FR 1106670 A FR1106670 A FR 1106670A FR 1106670D A FR1106670D A FR 1106670DA FR 1106670 A FR1106670 A FR 1106670A
Authority
FR
France
Prior art keywords
television set
advanced television
advanced
television
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
Other languages
English (en)
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.)
Zenith Electronics LLC
Original Assignee
Zenith Radio 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 Zenith Radio Corp filed Critical Zenith Radio Corp
Application granted granted Critical
Publication of FR1106670A publication Critical patent/FR1106670A/fr
Expired 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
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
FR1106670D 1952-06-04 1953-06-04 Appareil de télévision perfectionné Expired FR1106670A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US291714A US2883449A (en) 1952-06-04 1952-06-04 Subscription television system

Publications (1)

Publication Number Publication Date
FR1106670A true FR1106670A (fr) 1955-12-21

Family

ID=23121510

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1106670D Expired FR1106670A (fr) 1952-06-04 1953-06-04 Appareil de télévision perfectionné

Country Status (7)

Country Link
US (2) US2883449A (fr)
BE (1) BE520453A (fr)
CH (1) CH332355A (fr)
DE (1) DE1054486B (fr)
FR (1) FR1106670A (fr)
GB (1) GB739393A (fr)
NL (2) NL112410C (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3029308A (en) * 1958-09-22 1962-04-10 Zenith Radio Corp Subscription television system
US2995624A (en) * 1959-03-11 1961-08-08 Zenith Radio Corp Secrecy communication system
US2987574A (en) * 1959-04-30 1961-06-06 Itt System for synchronizing a pulse with a carrier wave
US3478166A (en) * 1963-09-09 1969-11-11 Intern Telemeter Corp Cryptographic subscription television system with grey sync and dual mode augmenting signals

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2547598A (en) * 1947-09-13 1951-04-03 Zenith Radio Corp Subscription image transmission system and apparatus
US2610295A (en) * 1947-10-30 1952-09-09 Bell Telephone Labor Inc Pulse code modulation communication system
IT454079A (fr) * 1948-07-02
US2656407A (en) * 1949-02-12 1953-10-20 Zenith Radio Corp Subscriber signaling system
US2694103A (en) * 1950-06-16 1954-11-09 Zenith Radio Corp Subscription television transmitter video-signal blanking stage
US2623941A (en) * 1950-06-23 1952-12-30 Zenith Radio Corp Subscription television system
US2757226A (en) * 1950-10-23 1956-07-31 Rca Corp Secret television systems

Also Published As

Publication number Publication date
CH332355A (de) 1958-08-31
NL178869B (nl)
NL112410C (fr) 1966-02-15
US2883449A (en) 1959-04-21
BE520453A (fr) 1955-06-24
GB739393A (en) 1955-10-26
USRE25836E (en) 1965-08-10
DE1054486B (de) 1959-04-09

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