JPS5768981A - Scramble system for television signal - Google Patents

Scramble system for television signal

Info

Publication number
JPS5768981A
JPS5768981A JP55144580A JP14458080A JPS5768981A JP S5768981 A JPS5768981 A JP S5768981A JP 55144580 A JP55144580 A JP 55144580A JP 14458080 A JP14458080 A JP 14458080A JP S5768981 A JPS5768981 A JP S5768981A
Authority
JP
Japan
Prior art keywords
signal
transmitted
reception side
switch
synchronizing
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.)
Granted
Application number
JP55144580A
Other languages
English (en)
Japanese (ja)
Other versions
JPS625513B2 (enrdf_load_stackoverflow
Inventor
Toshio Komori
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.)
Marantz Japan Inc
Original Assignee
Marantz Japan 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 Marantz Japan Inc filed Critical Marantz Japan Inc
Priority to JP55144580A priority Critical patent/JPS5768981A/ja
Publication of JPS5768981A publication Critical patent/JPS5768981A/ja
Publication of JPS625513B2 publication Critical patent/JPS625513B2/ja
Granted 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
    • 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)
JP55144580A 1980-10-16 1980-10-16 Scramble system for television signal Granted JPS5768981A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55144580A JPS5768981A (en) 1980-10-16 1980-10-16 Scramble system for television signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55144580A JPS5768981A (en) 1980-10-16 1980-10-16 Scramble system for television signal

Publications (2)

Publication Number Publication Date
JPS5768981A true JPS5768981A (en) 1982-04-27
JPS625513B2 JPS625513B2 (enrdf_load_stackoverflow) 1987-02-05

Family

ID=15365442

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55144580A Granted JPS5768981A (en) 1980-10-16 1980-10-16 Scramble system for television signal

Country Status (1)

Country Link
JP (1) JPS5768981A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59156087A (ja) * 1982-12-29 1984-09-05 ノ−ス・アメリカン・フイリツプス・コ−ポレ−シヨン 選択されたテレビジヨン番組に対する加入者のアクセス制御方法及び装置
EP1233620A1 (en) * 1991-11-19 2002-08-21 Macrovision Corporation Method and apparatus for concealing a composite video signal by use of sync wiggle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59156087A (ja) * 1982-12-29 1984-09-05 ノ−ス・アメリカン・フイリツプス・コ−ポレ−シヨン 選択されたテレビジヨン番組に対する加入者のアクセス制御方法及び装置
EP1233620A1 (en) * 1991-11-19 2002-08-21 Macrovision Corporation Method and apparatus for concealing a composite video signal by use of sync wiggle

Also Published As

Publication number Publication date
JPS625513B2 (enrdf_load_stackoverflow) 1987-02-05

Similar Documents

Publication Publication Date Title
CA2080124A1 (en) Antenna Diversity Receiving System for Eliminating Reception Interference in Mobile Television Signal Reception
MY110481A (en) System for wireless transmitting and receiving a video
GR3025757T3 (en) Selection of compressed television signals from single channel allocation based on viewer characteristics
ES8502302A1 (es) Procedimiento y dispositivo para captar datos sobre el comportamiento de conexion del televisor de espectadores de television o similares
ES8503465A1 (es) Metodo para transmitir senales de television sucesivas procedentes de una fuente de television y transmisor y receptor para llevarlo a cabo
CA1265611C (en) TELEVISION RECEIVER
TW353747B (en) A multi-format television architecture
WO1995027373A1 (en) System for providing local originating signals with direct broadcast satellite television signals
CZ8995A3 (en) Process and apparatus for interception of information when selecting a channel by a television viewer
CA1269442C (en) SCRAMBLED VIDEO SIGNAL PROCESSING SYSTEM AUDIO CHANNEL AGC
JPS6472690A (en) Method and system for transmission and receiving of three-dimensional video image
ES2010626A6 (es) Sistema de television de pantalla ancha y definicion ampliada, en el que se usan varios canales de transmision de senales.
JPS5647178A (en) Specific channel image receiving method of catv system
JPS5539440A (en) Tuning system of terminal unit for catv system
JPS5768981A (en) Scramble system for television signal
HU910934D0 (en) Television receiver for video signals of format y-c separated by means of complementary input connection
JPS5552684A (en) Color television picture receiver
JPS57171883A (en) Video signal distributing and transmitting device
JPS56110389A (en) Scramble system of television signal
HUT69348A (en) Television signal downward compatible with a conventional television standard, method for transmitting thereof and video equipment for processing thereof
JPS56106476A (en) Television receiver
JPS5634278A (en) Television receiving system
JPS6447190A (en) System for transmitting video scramble and transmitter-receiver thereof
MY131575A (en) Interactive television transmission system
JPS5769984A (en) Scramble system for television signal