DK146915C - Abonnentterminal til kabelanlaeg - Google Patents

Abonnentterminal til kabelanlaeg

Info

Publication number
DK146915C
DK146915C DK586075A DK586075A DK146915C DK 146915 C DK146915 C DK 146915C DK 586075 A DK586075 A DK 586075A DK 586075 A DK586075 A DK 586075A DK 146915 C DK146915 C DK 146915C
Authority
DK
Denmark
Prior art keywords
cables
subscription terminal
subscription
terminal
Prior art date
Application number
DK586075A
Other languages
Danish (da)
English (en)
Other versions
DK146915B (da
DK586075A (da
Inventor
Pieter Den Toonder
Original Assignee
Oak Communications Catv Div
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 Communications Catv Div filed Critical Oak Communications Catv Div
Publication of DK586075A publication Critical patent/DK586075A/da
Publication of DK146915B publication Critical patent/DK146915B/da
Application granted granted Critical
Publication of DK146915C publication Critical patent/DK146915C/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/80—Jamming or countermeasure characterized by its function
    • H04K3/82—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection
    • H04K3/825—Jamming or countermeasure characterized by its function related to preventing surveillance, interception or detection by jamming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/40—Jamming having variable characteristics
    • H04K3/42—Jamming having variable characteristics characterized by the control of the jamming frequency or wavelength
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/166—Passage/non-passage of the television signal, e.g. jamming, band suppression
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K2203/00—Jamming of communication; Countermeasures
    • H04K2203/10—Jamming or countermeasure used for a particular application
    • H04K2203/14—Jamming or countermeasure used for a particular application for the transfer of light or images, e.g. for video-surveillance, for television or from a computer screen

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Details Of Television Systems (AREA)
DK586075A 1974-12-24 1975-12-22 Abonnentterminal til kabelanlaeg DK146915C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7416880A NL182689C (nl) 1974-12-24 1974-12-24 Signaalverdeelinrichting voor een hoogfrequent kabelnetwerk.
NL7416880 1974-12-24

Publications (3)

Publication Number Publication Date
DK586075A DK586075A (da) 1976-06-25
DK146915B DK146915B (da) 1984-02-06
DK146915C true DK146915C (da) 1984-07-16

Family

ID=19822721

Family Applications (1)

Application Number Title Priority Date Filing Date
DK586075A DK146915C (da) 1974-12-24 1975-12-22 Abonnentterminal til kabelanlaeg

Country Status (13)

Country Link
JP (1) JPS608675B2 (nl)
AT (1) AT361996B (nl)
BE (1) BE836589A (nl)
CA (1) CA1033053A (nl)
DE (1) DE2558147A1 (nl)
DK (1) DK146915C (nl)
ES (1) ES443805A1 (nl)
FI (1) FI67006C (nl)
FR (1) FR2296335A1 (nl)
GB (1) GB1507859A (nl)
IT (1) IT1052630B (nl)
NL (1) NL182689C (nl)
SE (1) SE420036B (nl)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1554411A (en) 1975-08-09 1979-10-17 Communications Patents Ltd Control systems
FR2336842B1 (fr) * 1976-08-06 1987-02-27 Stern Joseph Perfectionnements relatifs aux dispositifs de telediffusion par cables ou relatifs a ceux-ci
DE2725250C3 (de) * 1977-06-03 1982-03-18 Siemens AG, 1000 Berlin und 8000 München Kabelfernsehanlage mit abschaltbaren Teilnehmeranschlüssen
DE3045512C2 (de) * 1980-12-03 1982-10-07 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Elektronische Durchschalteinrichtung für Fernseh- und Tonrundfunkprogramme
JPS58221577A (ja) * 1982-06-18 1983-12-23 Yagi Antenna Co Ltd Ｃａｔｖ信号分配方式
JPS5921187A (ja) * 1982-07-27 1984-02-03 Uro Denshi Kogyo Kk 有線放送共同受信用分岐・分配器
US4521809A (en) * 1982-12-29 1985-06-04 North American Philips Corporation Method and apparatus for controlling access to selected television programs
ATE33327T1 (de) * 1983-06-10 1988-04-15 Tocom Haupt-/neben-umsetzersystem.
GB2161679B (en) * 1984-07-06 1988-02-24 Cabletime Ltd Improvements in or relating to signal jamming apparatuses for frequency division multiplex systems
FR2615342B1 (fr) * 1987-05-13 1991-09-13 Applic Realisa Electro Systeme de teledistribution comprenant au moins une chaine de television a peage
DE3840254C1 (nl) * 1988-11-29 1990-06-07 Neuberger Nachrichten- Und Antennentechnik Gmbh, 8000 Muenchen, De

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3790700A (en) * 1971-12-17 1974-02-05 Hughes Aircraft Co Catv program control system
US3789131A (en) * 1972-08-03 1974-01-29 Oak Industries Inc Selective coding system for subscription television

Also Published As

Publication number Publication date
ATA955075A (de) 1980-09-15
DK146915B (da) 1984-02-06
NL182689B (nl) 1987-11-16
JPS608675B2 (ja) 1985-03-05
DE2558147A1 (de) 1976-07-01
NL7416880A (nl) 1976-06-28
SE420036B (sv) 1981-09-07
GB1507859A (en) 1978-04-19
FR2296335B3 (nl) 1980-06-20
NL182689C (nl) 1988-04-18
BE836589A (fr) 1976-06-14
FI67006C (fi) 1984-12-10
FR2296335A1 (fr) 1976-07-23
JPS5178621A (ja) 1976-07-08
CA1033053A (en) 1978-06-13
FI753640A (nl) 1976-06-25
FI67006B (fi) 1984-08-31
SE7514561L (sv) 1976-06-25
AT361996B (de) 1981-04-10
IT1052630B (it) 1981-07-20
DK586075A (da) 1976-06-25
ES443805A1 (es) 1977-04-16

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Legal Events

Date Code Title Description
PUP Patent expired