GB9412017D0 - Security device - Google Patents

Security device

Info

Publication number
GB9412017D0
GB9412017D0 GB9412017A GB9412017A GB9412017D0 GB 9412017 D0 GB9412017 D0 GB 9412017D0 GB 9412017 A GB9412017 A GB 9412017A GB 9412017 A GB9412017 A GB 9412017A GB 9412017 D0 GB9412017 D0 GB 9412017D0
Authority
GB
United Kingdom
Prior art keywords
security device
security
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.)
Withdrawn
Application number
GB9412017A
Other versions
GB2290407A (en
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.)
CORLESS ROBERT J
Original Assignee
CORLESS ROBERT J
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 CORLESS ROBERT J filed Critical CORLESS ROBERT J
Priority to GB9412017A priority Critical patent/GB2290407A/en
Publication of GB9412017D0 publication Critical patent/GB9412017D0/en
Publication of GB2290407A publication Critical patent/GB2290407A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/28—Indicating or preventing prior or unauthorised use, e.g. cassettes with sealing or locking means, write-protect devices for discs
    • G11B23/283—Security features, e.g. digital codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N5/9201—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving the multiplexing of an additional signal and the video signal
    • 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
    • H04N7/163—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63F—CARD, BOARD, OR ROULETTE GAMES; INDOOR GAMES USING SMALL MOVING PLAYING BODIES; VIDEO GAMES; GAMES NOT OTHERWISE PROVIDED FOR
    • A63F2300/00—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game
    • A63F2300/20—Features of games using an electronically generated display having two or more dimensions, e.g. on a television screen, showing representations related to the game characterised by details of the game platform
    • A63F2300/201—Playing authorisation given at platform level

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
GB9412017A 1994-06-15 1994-06-15 A method and/or apparatus for restricting access to a video recording or broadcast Withdrawn GB2290407A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9412017A GB2290407A (en) 1994-06-15 1994-06-15 A method and/or apparatus for restricting access to a video recording or broadcast

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9412017A GB2290407A (en) 1994-06-15 1994-06-15 A method and/or apparatus for restricting access to a video recording or broadcast

Publications (2)

Publication Number Publication Date
GB9412017D0 true GB9412017D0 (en) 1994-08-03
GB2290407A GB2290407A (en) 1995-12-20

Family

ID=10756783

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9412017A Withdrawn GB2290407A (en) 1994-06-15 1994-06-15 A method and/or apparatus for restricting access to a video recording or broadcast

Country Status (1)

Country Link
GB (1) GB2290407A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020001448A1 (en) * 1996-07-10 2002-01-03 Lg Electronics, Inc. Selective recording and reproduction of video programs according to video programs according to video program grading
US6005598A (en) * 1996-11-27 1999-12-21 Lg Electronics, Inc. Apparatus and method of transmitting broadcast program selection control signal and controlling selective viewing of broadcast program for video appliance
CN1270535C (en) 1999-07-14 2006-08-16 汤姆森特许公司 Method and apparatus for using single password set in integrated television system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3248146A1 (en) * 1982-12-27 1984-06-28 Martin 7516 Karlsbad Walter METHOD FOR TURNING OFF A TELEVISION RECEIVER
US4930160A (en) * 1987-09-02 1990-05-29 Vogel Peter S Automatic censorship of video programs
AU5538990A (en) * 1989-04-14 1990-11-16 Joseph J. Kilbel Video cassette recorder protection system
KR930005441B1 (en) * 1991-05-03 1993-06-21 삼성전자 주식회사 Tv receivers selection control circuit
DE4236872A1 (en) * 1992-10-31 1994-05-05 Grundig Emv Process for securing a video recorder against unauthorized use and device for carrying out the process

Also Published As

Publication number Publication date
GB2290407A (en) 1995-12-20

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)