JPS5178621A - Keeburuterebijonyoshingobunpaiki - Google Patents

Keeburuterebijonyoshingobunpaiki

Info

Publication number
JPS5178621A
JPS5178621A JP6945575A JP6945575A JPS5178621A JP S5178621 A JPS5178621 A JP S5178621A JP 6945575 A JP6945575 A JP 6945575A JP 6945575 A JP6945575 A JP 6945575A JP S5178621 A JPS5178621 A JP S5178621A
Authority
JP
Japan
Prior art keywords
rebijonyoshingobunpaiki
keeburute
keeburute rebijonyoshingobunpaiki
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
JP6945575A
Other languages
English (en)
Other versions
JPS608675B2 (ja
Inventor
Den Toonderu Pieetoru
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.)
OOKU HORANDO BV
Original Assignee
OOKU HORANDO BV
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 OOKU HORANDO BV filed Critical OOKU HORANDO BV
Publication of JPS5178621A publication Critical patent/JPS5178621A/ja
Publication of JPS608675B2 publication Critical patent/JPS608675B2/ja
Expired legal-status Critical Current

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)
JP50069455A 1974-12-24 1975-06-09 ケ−ブルテレビジヨン用信号分配器 Expired JPS608675B2 (ja)

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 (2)

Publication Number Publication Date
JPS5178621A true JPS5178621A (ja) 1976-07-08
JPS608675B2 JPS608675B2 (ja) 1985-03-05

Family

ID=19822721

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50069455A Expired JPS608675B2 (ja) 1974-12-24 1975-06-09 ケ−ブルテレビジヨン用信号分配器

Country Status (13)

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

Families Citing this family (8)

* 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
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 (ja) * 1988-11-29 1990-06-07 Neuberger Nachrichten- Und Antennentechnik Gmbh, 8000 Muenchen, De

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4869413A (ja) * 1971-12-17 1973-09-20 Hughes Aircraft Co
JPS4980918A (ja) * 1972-08-03 1974-08-05

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4869413A (ja) * 1971-12-17 1973-09-20 Hughes Aircraft Co
JPS4980918A (ja) * 1972-08-03 1974-08-05

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

Also Published As

Publication number Publication date
FI753640A (ja) 1976-06-25
SE420036B (sv) 1981-09-07
JPS608675B2 (ja) 1985-03-05
DK586075A (da) 1976-06-25
AT361996B (de) 1981-04-10
BE836589A (fr) 1976-06-14
FI67006B (fi) 1984-08-31
IT1052630B (it) 1981-07-20
ES443805A1 (es) 1977-04-16
NL7416880A (nl) 1976-06-28
GB1507859A (en) 1978-04-19
DK146915C (da) 1984-07-16
NL182689B (nl) 1987-11-16
CA1033053A (en) 1978-06-13
FR2296335B3 (ja) 1980-06-20
ATA955075A (de) 1980-09-15
SE7514561L (sv) 1976-06-25
NL182689C (nl) 1988-04-18
DK146915B (da) 1984-02-06
DE2558147A1 (de) 1976-07-01
FI67006C (fi) 1984-12-10
FR2296335A1 (fr) 1976-07-23

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