ES226039A1 - PERFECCIONAMIENTOS EN SISTEMAS DE TELEVISIoN - Google Patents

PERFECCIONAMIENTOS EN SISTEMAS DE TELEVISIoN

Info

Publication number
ES226039A1
ES226039A1 ES0226039A ES226039A ES226039A1 ES 226039 A1 ES226039 A1 ES 226039A1 ES 0226039 A ES0226039 A ES 0226039A ES 226039 A ES226039 A ES 226039A ES 226039 A1 ES226039 A1 ES 226039A1
Authority
ES
Spain
Prior art keywords
transmitting
signals
oscillation
mode
horizontal
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
ES0226039A
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.)
Skiatron Electronics and Television Corp
Original Assignee
Skiatron Electronics and Television 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 Skiatron Electronics and Television Corp filed Critical Skiatron Electronics and Television Corp
Publication of ES226039A1 publication Critical patent/ES226039A1/es
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
    • 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
    • H04N7/169—Systems operating in the time domain of the television signal
    • H04N7/1693—Systems operating in the time domain of the television signal by displacing synchronisation signals relative to active picture signals or vice versa

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Studio Circuits (AREA)

Abstract

Perfeccionamientos en sistemas de televisión, caracterizados porque éstos comprenden una estación transmisora de señales disfrazadas, dotada de medios para producir señales de imagen; medios para producir y transmitir señales normales de referencia, horizontales y verticales, para servir como base para el control de barrido del receptor; circuitos de modo (de oscilación) de imagen que comprenden medios para retardar las señales de imagen con respecto a las señales horizontales de referencia; los medios de retardo para operar el retardo citado durante un intervalo de re-trazado horizontal, se presentan durante un periodo de exploración vertical para crear distintos modos (de oscilación) o modalidades de imagen; medios para transmitir las señales de imagen así retardadas, y medios para producir y transmitir por lo menos una señal de control en momentos predeterminados, para controlar los circuitos de modalidad u oscilación del receptor.
ES0226039A 1955-01-12 1956-01-11 PERFECCIONAMIENTOS EN SISTEMAS DE TELEVISIoN Expired ES226039A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US481424A US3106604A (en) 1955-01-12 1955-01-12 Multiple code subscription television system

Publications (1)

Publication Number Publication Date
ES226039A1 true ES226039A1 (es) 1956-04-16

Family

ID=23911887

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0226039A Expired ES226039A1 (es) 1955-01-12 1956-01-11 PERFECCIONAMIENTOS EN SISTEMAS DE TELEVISIoN

Country Status (3)

Country Link
US (1) US3106604A (es)
DE (1) DE1083310B (es)
ES (1) ES226039A1 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE632218A (es) * 1963-05-31
US3733431A (en) * 1971-03-10 1973-05-15 Electronic communication apparatus employing encripted signal distribution
US3919462A (en) * 1973-08-15 1975-11-11 System Dev Corp Method and apparatus for scrambling and unscrambling communication signals
US5058157A (en) * 1989-09-06 1991-10-15 Macrovision Corporation Method and apparatus for encrypting and decrypting time domain signals

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2414101A (en) * 1943-06-04 1947-01-14 Faximile Inc Graphic privacy system
US2472744A (en) * 1944-03-29 1949-06-07 Ex Cell O Corp Machine tool
US2510046A (en) * 1947-04-18 1950-05-30 Zenith Radio Corp Radio-wire signaling system
US2656407A (en) * 1949-02-12 1953-10-20 Zenith Radio Corp Subscriber signaling system
US2664460A (en) * 1950-04-26 1953-12-29 Zenith Radio Corp Subscription type television system
NL111778C (es) * 1952-04-09
US2697741A (en) * 1953-04-29 1954-12-21 Zenith Radio Corp Subscription television system

Also Published As

Publication number Publication date
DE1083310B (de) 1960-06-15
US3106604A (en) 1963-10-08

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