DE19780928D2 - Tamper protection system - Google Patents

Tamper protection system

Info

Publication number
DE19780928D2
DE19780928D2 DE19780928T DE19780928T DE19780928D2 DE 19780928 D2 DE19780928 D2 DE 19780928D2 DE 19780928 T DE19780928 T DE 19780928T DE 19780928 T DE19780928 T DE 19780928T DE 19780928 D2 DE19780928 D2 DE 19780928D2
Authority
DE
Germany
Prior art keywords
protection system
tamper protection
tamper
protection
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.)
Ceased
Application number
DE19780928T
Other languages
German (de)
Inventor
Klein
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE19780928T priority Critical patent/DE19780928D2/en
Application granted granted Critical
Publication of DE19780928D2 publication Critical patent/DE19780928D2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/65—Arrangements characterised by transmission systems for broadcast
    • H04H20/76—Wired systems
    • H04H20/77—Wired systems using carrier waves
    • H04H20/78—CATV [Community Antenna Television] systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/10—Arrangements for replacing or switching information during the broadcast or the distribution
    • H04H20/103—Transmitter-side switching
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
    • H04H60/14—Arrangements for conditional access to broadcast information or to broadcast-related services
    • H04H60/15—Arrangements for conditional access to broadcast information or to broadcast-related services on receiving information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • 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
    • 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
    • H04H—BROADCAST COMMUNICATION
    • H04H2201/00—Aspects of broadcast communication
    • H04H2201/70—Aspects of broadcast communication characterised in that receivers can be addressed

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Security & Cryptography (AREA)
  • Selective Calling Equipment (AREA)
DE19780928T 1996-09-05 1997-09-05 Tamper protection system Ceased DE19780928D2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19780928T DE19780928D2 (en) 1996-09-05 1997-09-05 Tamper protection system

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE1996136098 DE19636098A1 (en) 1996-09-05 1996-09-05 Tamper protection system
DE19780928T DE19780928D2 (en) 1996-09-05 1997-09-05 Tamper protection system
PCT/DE1997/001953 WO1998010588A1 (en) 1996-09-05 1997-09-05 System for protecting against manipulation

Publications (1)

Publication Number Publication Date
DE19780928D2 true DE19780928D2 (en) 1999-09-02

Family

ID=7804741

Family Applications (2)

Application Number Title Priority Date Filing Date
DE1996136098 Withdrawn DE19636098A1 (en) 1996-09-05 1996-09-05 Tamper protection system
DE19780928T Ceased DE19780928D2 (en) 1996-09-05 1997-09-05 Tamper protection system

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE1996136098 Withdrawn DE19636098A1 (en) 1996-09-05 1996-09-05 Tamper protection system

Country Status (3)

Country Link
AU (1) AU1589497A (en)
DE (2) DE19636098A1 (en)
WO (1) WO1998010588A1 (en)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2996580A (en) * 1958-01-30 1961-08-15 A R & T Electronics Inc Closed-circuit communications signal distribution system
US2912600A (en) * 1958-05-19 1959-11-10 Hans D Isenberg Tamper protective system and cable for use therein
CA1163706A (en) * 1981-03-20 1984-03-13 Nabu Manufacturing Corporation Wired program distribution system tamper detector
US4630313A (en) * 1985-08-08 1986-12-16 Control Data Corporation Cable sensor for sensing a DC signal from a cable headend
US4885795A (en) * 1987-11-06 1989-12-05 Bunting, Inc. Hospital digital data transfer system
US5331412A (en) * 1990-11-27 1994-07-19 Scientific-Atlanta, Inc. Tamper resistant apparatus for a CATV system
US5243647A (en) * 1992-06-10 1993-09-07 Scientific-Atlanta, Inc. Method and apparatus for broadband signal distribution
US5614939A (en) * 1995-09-18 1997-03-25 Lucent Technologies Inc. Coaxial cable service interrupter

Also Published As

Publication number Publication date
AU1589497A (en) 1998-03-26
DE19636098A1 (en) 1998-03-12
WO1998010588A1 (en) 1998-03-12

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Legal Events

Date Code Title Description
8131 Rejection