AU2494384A - Device for the protection of magnetic tapes, or other recording media, or television or radio broadcasting against an authorized reading and/or reproduction - Google Patents

Device for the protection of magnetic tapes, or other recording media, or television or radio broadcasting against an authorized reading and/or reproduction

Info

Publication number
AU2494384A
AU2494384A AU24943/84A AU2494384A AU2494384A AU 2494384 A AU2494384 A AU 2494384A AU 24943/84 A AU24943/84 A AU 24943/84A AU 2494384 A AU2494384 A AU 2494384A AU 2494384 A AU2494384 A AU 2494384A
Authority
AU
Australia
Prior art keywords
reproduction
television
protection
recording media
magnetic tapes
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
AU24943/84A
Inventor
Claude Alain Daguillon
Jacques Pierre Picard
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.)
Internationale De Service A L'exportation Dite Sisex & Specialites Electro Physiques Sep & Recherches Integrees Au Marketing Rim Ste
Original Assignee
Soc Internationale De Service A Lexportation Dite Sisex & Specialites Electro Physiques Sep & Recher
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
Priority claimed from FR8302355A external-priority patent/FR2540659A1/en
Application filed by Soc Internationale De Service A Lexportation Dite Sisex & Specialites Electro Physiques Sep & Recher filed Critical Soc Internationale De Service A Lexportation Dite Sisex & Specialites Electro Physiques Sep & Recher
Publication of AU2494384A publication Critical patent/AU2494384A/en
Abandoned legal-status Critical Current

Links

AU24943/84A 1983-02-09 1984-02-09 Device for the protection of magnetic tapes, or other recording media, or television or radio broadcasting against an authorized reading and/or reproduction Abandoned AU2494384A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR83/02355 1983-02-09
FR8302355A FR2540659A1 (en) 1983-02-09 1983-02-09 DEVICE FOR PROTECTING MAGNETIC TAPES, OR OTHER RECORDING MEDIA, OR TELEVISION OR RADIO TRANSMISSION AGAINST UNAUTHORIZED READING AND / OR REPRODUCTION
PCT/FR1984/000029 WO1984003166A1 (en) 1983-02-09 1984-02-09 Device for the protection of magnetic tapes, or other recording media, or television or radio broadcastings against an authorized reading and/or reproduction

Publications (1)

Publication Number Publication Date
AU2494384A true AU2494384A (en) 1984-08-30

Family

ID=26223285

Family Applications (1)

Application Number Title Priority Date Filing Date
AU24943/84A Abandoned AU2494384A (en) 1983-02-09 1984-02-09 Device for the protection of magnetic tapes, or other recording media, or television or radio broadcasting against an authorized reading and/or reproduction

Country Status (1)

Country Link
AU (1) AU2494384A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU577011B2 (en) * 1985-04-17 1988-09-08 Macrovision Corporation Video signal processor for prohibiting vtr recording
AU600522B2 (en) * 1986-03-04 1990-08-16 Macrovision Corporation Method and apparatus for removing pseudo-sync and/or AGC pulses from a video signal

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU577011B2 (en) * 1985-04-17 1988-09-08 Macrovision Corporation Video signal processor for prohibiting vtr recording
AU600522B2 (en) * 1986-03-04 1990-08-16 Macrovision Corporation Method and apparatus for removing pseudo-sync and/or AGC pulses from a video signal

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