NL182689B - SIGNAL DISTRIBUTION DEVICE FOR A HIGH-FREQUENT CABLE NETWORK. - Google Patents

SIGNAL DISTRIBUTION DEVICE FOR A HIGH-FREQUENT CABLE NETWORK.

Info

Publication number
NL182689B
NL182689B NL7416880A NL7416880A NL182689B NL 182689 B NL182689 B NL 182689B NL 7416880 A NL7416880 A NL 7416880A NL 7416880 A NL7416880 A NL 7416880A NL 182689 B NL182689 B NL 182689B
Authority
NL
Netherlands
Prior art keywords
distribution device
cable network
signal distribution
frequent cable
frequent
Prior art date
Application number
NL7416880A
Other languages
Dutch (nl)
Other versions
NL182689C (en
NL7416880A (en
Original Assignee
Oak Communications 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 Oak Communications Inc filed Critical Oak Communications Inc
Priority to NL7416880A priority Critical patent/NL182689C/en
Priority to CA227,709A priority patent/CA1033053A/en
Priority to JP50069455A priority patent/JPS608675B2/en
Priority to BE162705A priority patent/BE836589A/en
Priority to AT955075A priority patent/AT361996B/en
Priority to DK586075A priority patent/DK146915C/en
Priority to SE7514561A priority patent/SE420036B/en
Priority to DE19752558147 priority patent/DE2558147A1/en
Priority to IT5285775A priority patent/IT1052630B/en
Priority to FR7539520A priority patent/FR2296335A1/en
Priority to ES443805A priority patent/ES443805A1/en
Priority to FI753640A priority patent/FI67006C/en
Priority to GB5283675A priority patent/GB1507859A/en
Publication of NL7416880A publication Critical patent/NL7416880A/en
Priority to US05/838,990 priority patent/USRE29997E/en
Publication of NL182689B publication Critical patent/NL182689B/en
Application granted granted Critical
Publication of NL182689C publication Critical patent/NL182689C/en

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
NL7416880A 1974-12-24 1974-12-24 SIGNAL DISTRIBUTION DEVICE FOR A HIGH-FREQUENT CABLE NETWORK. NL182689C (en)

Priority Applications (14)

Application Number Priority Date Filing Date Title
NL7416880A NL182689C (en) 1974-12-24 1974-12-24 SIGNAL DISTRIBUTION DEVICE FOR A HIGH-FREQUENT CABLE NETWORK.
CA227,709A CA1033053A (en) 1974-12-24 1975-05-23 Signal distribution device for a cable television
JP50069455A JPS608675B2 (en) 1974-12-24 1975-06-09 Signal splitter for cable television
BE162705A BE836589A (en) 1974-12-24 1975-12-12 SIGNAALVERDEELINRICHTING VOOR EEN KABELTELEVISIENETWERK
AT955075A AT361996B (en) 1974-12-24 1975-12-16 SIGNAL DISTRIBUTION SYSTEM FOR A CABLE NETWORK
SE7514561A SE420036B (en) 1974-12-24 1975-12-22 SIGNAL DISTRIBUTION DEVICE FOR A CABLE TELEVISION NETWORK
DK586075A DK146915C (en) 1974-12-24 1975-12-22 SUBSCRIPTION TERMINAL FOR CABLES
DE19752558147 DE2558147A1 (en) 1974-12-24 1975-12-23 SIGNAL DISTRIBUTION DEVICE FOR CABLE TV
IT5285775A IT1052630B (en) 1974-12-24 1975-12-23 SIGNAL DISTRIBUTION DEVICE FOR CABLE TELEVISION SYSTEMS
FR7539520A FR2296335A1 (en) 1974-12-24 1975-12-23 SIGNAL DISTRIBUTION DEVICE FOR CABLE TELEVISION NETWORK
ES443805A ES443805A1 (en) 1974-12-24 1975-12-23 Signal distribution device for a cable television network
FI753640A FI67006C (en) 1974-12-24 1975-12-23 SIGNALFOERDELNINGSANORDNING FOER EN KABELTELEVISION
GB5283675A GB1507859A (en) 1974-12-24 1975-12-24 Signal distribution device for a cable television network
US05/838,990 USRE29997E (en) 1974-12-24 1977-10-03 Signal distribution device for a cable television

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7416880A NL182689C (en) 1974-12-24 1974-12-24 SIGNAL DISTRIBUTION DEVICE FOR A HIGH-FREQUENT CABLE NETWORK.

Publications (3)

Publication Number Publication Date
NL7416880A NL7416880A (en) 1976-06-28
NL182689B true NL182689B (en) 1987-11-16
NL182689C NL182689C (en) 1988-04-18

Family

ID=19822721

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7416880A NL182689C (en) 1974-12-24 1974-12-24 SIGNAL DISTRIBUTION DEVICE FOR A HIGH-FREQUENT CABLE NETWORK.

Country Status (13)

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

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 (en) * 1976-08-06 1987-02-27 Stern Joseph IMPROVEMENTS RELATING TO OR RELATING TO CABLE TELEVISION DEVICES
DE2725250C3 (en) * 1977-06-03 1982-03-18 Siemens AG, 1000 Berlin und 8000 München Cable television system with subscriber connections that can be switched off
DE3045512C2 (en) * 1980-12-03 1982-10-07 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Electronic switching device for television and audio broadcast programs
JPS58221577A (en) * 1982-06-18 1983-12-23 Yagi Antenna Co Ltd Distributing system of catv signal
JPS5921187A (en) * 1982-07-27 1984-02-03 Uro Denshi Kogyo Kk Branching distributor of common reception of wire broadcasting
US4521809A (en) * 1982-12-29 1985-06-04 North American Philips Corporation Method and apparatus for controlling access to selected television programs
ATE33327T1 (en) * 1983-06-10 1988-04-15 Tocom MAIN/SUB CONVERSION SYSTEM.
GB2161679B (en) * 1984-07-06 1988-02-24 Cabletime Ltd Improvements in or relating to signal jamming apparatuses for frequency division multiplex systems
FR2615342B1 (en) * 1987-05-13 1991-09-13 Applic Realisa Electro TELEVISION SYSTEM INCLUDING AT LEAST ONE TELEVISION CHANNEL
DE3840254C1 (en) * 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
DK146915B (en) 1984-02-06
DE2558147A1 (en) 1976-07-01
IT1052630B (en) 1981-07-20
NL182689C (en) 1988-04-18
FR2296335B3 (en) 1980-06-20
JPS608675B2 (en) 1985-03-05
CA1033053A (en) 1978-06-13
AT361996B (en) 1981-04-10
GB1507859A (en) 1978-04-19
ES443805A1 (en) 1977-04-16
SE7514561L (en) 1976-06-25
ATA955075A (en) 1980-09-15
BE836589A (en) 1976-06-14
NL7416880A (en) 1976-06-28
DK586075A (en) 1976-06-25
SE420036B (en) 1981-09-07
JPS5178621A (en) 1976-07-08
FI67006C (en) 1984-12-10
FR2296335A1 (en) 1976-07-23
FI67006B (en) 1984-08-31
FI753640A (en) 1976-06-25
DK146915C (en) 1984-07-16

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Legal Events

Date Code Title Description
CNR Transfer of rights (patent application after its laying openfor public ins pection)

Free format text: OAK COMMUNICATIONS INC.

BC A request for examination has been filed
A85 Still pending on 85-01-01
SNR Assignments of patents or rights arising from examined patent applications

Owner name: OCI COMMUNICATIONS INC.

V4 Lapsed because of reaching the maxim lifetime of a patent