AU3470497A - Control system for cable television - Google Patents

Control system for cable television

Info

Publication number
AU3470497A
AU3470497A AU34704/97A AU3470497A AU3470497A AU 3470497 A AU3470497 A AU 3470497A AU 34704/97 A AU34704/97 A AU 34704/97A AU 3470497 A AU3470497 A AU 3470497A AU 3470497 A AU3470497 A AU 3470497A
Authority
AU
Australia
Prior art keywords
control system
cable television
television
cable
control
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.)
Abandoned
Application number
AU34704/97A
Inventor
Ann-Louise Ulfsparre
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of AU3470497A publication Critical patent/AU3470497A/en
Abandoned 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
    • H04K3/20—Countermeasures against jamming
    • H04K3/28—Countermeasures against jamming with jamming and anti-jamming mechanisms both included in a same device or system, e.g. wherein anti-jamming includes prevention of undesired self-jamming resulting from jamming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K3/00—Jamming of communication; Counter-measures
    • H04K3/20—Countermeasures against jamming
    • H04K3/22—Countermeasures against jamming including jamming detection and monitoring
    • H04K3/224—Countermeasures against jamming including jamming detection and monitoring with countermeasures at transmission and/or reception of the jammed signal, e.g. stopping operation of transmitter or receiver, nulling or enhancing transmitted power in direction of or at frequency of jammer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • H04N7/165—Centralised control of user terminal ; Registering at central
    • 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
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309—Transmission or handling of upstream communications
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K2203/00—Jamming of communication; Countermeasures
    • H04K2203/30—Jamming or countermeasure characterized by the infrastructure components
    • H04K2203/36—Jamming or countermeasure characterized by the infrastructure components including means for exchanging jamming data between transmitter and receiver, e.g. in forward or backward direction
AU34704/97A 1996-07-05 1997-06-24 Control system for cable television Abandoned AU3470497A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9602680A SE9602680D0 (en) 1996-07-05 1996-07-05 Cable television control system
SE9602680 1996-07-05
PCT/SE1997/001131 WO1998001998A1 (en) 1996-07-05 1997-06-24 Control system for cable television

Publications (1)

Publication Number Publication Date
AU3470497A true AU3470497A (en) 1998-02-02

Family

ID=20403307

Family Applications (1)

Application Number Title Priority Date Filing Date
AU34704/97A Abandoned AU3470497A (en) 1996-07-05 1997-06-24 Control system for cable television

Country Status (3)

Country Link
AU (1) AU3470497A (en)
SE (1) SE9602680D0 (en)
WO (1) WO1998001998A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1015473C2 (en) * 2000-06-19 2001-12-28 Roax Bv Communication system.
US9073841B2 (en) 2012-11-05 2015-07-07 Segetis, Inc. Process to prepare levulinic acid

Family Cites Families (3)

* 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
EP0231120A3 (en) * 1986-01-29 1989-11-23 Global Technologies Inc. Control and metering system for pay television over a cable network
US5109286A (en) * 1988-03-10 1992-04-28 Scientific-Atlanta, Inc. CATV reverse path manifold system

Also Published As

Publication number Publication date
WO1998001998A1 (en) 1998-01-15
SE9602680D0 (en) 1996-07-05

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