JPS647372A - Recorder - Google Patents

Recorder

Info

Publication number
JPS647372A
JPS647372A JP16090987A JP16090987A JPS647372A JP S647372 A JPS647372 A JP S647372A JP 16090987 A JP16090987 A JP 16090987A JP 16090987 A JP16090987 A JP 16090987A JP S647372 A JPS647372 A JP S647372A
Authority
JP
Japan
Prior art keywords
signal
input signal
flag
circuit
restricting
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.)
Granted
Application number
JP16090987A
Other languages
English (en)
Other versions
JPH0778963B2 (ja
Inventor
Kenjiro Endo
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Priority to JP16090987A priority Critical patent/JPH0778963B2/ja
Priority to EP88106689A priority patent/EP0297242B1/en
Priority to DE3850530T priority patent/DE3850530T2/de
Priority to US07/187,041 priority patent/US4924328A/en
Publication of JPS647372A publication Critical patent/JPS647372A/ja
Priority to US07/434,791 priority patent/US5003410A/en
Publication of JPH0778963B2 publication Critical patent/JPH0778963B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/00086Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2211/00Indexing scheme relating to details of data-processing equipment not covered by groups G06F3/00 - G06F13/00
    • G06F2211/007Encryption, En-/decode, En-/decipher, En-/decypher, Scramble, (De-)compress

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
JP16090987A 1987-06-30 1987-06-30 記録及び再生装置 Expired - Lifetime JPH0778963B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP16090987A JPH0778963B2 (ja) 1987-06-30 1987-06-30 記録及び再生装置
EP88106689A EP0297242B1 (en) 1987-06-30 1988-04-26 Recording/reproducing system and method with record restriction function
DE3850530T DE3850530T2 (de) 1987-06-30 1988-04-26 System und Verfahren zur Aufnahme/Wiedergabe mit Aufnahmebeschränkungsfunktion.
US07/187,041 US4924328A (en) 1987-06-30 1988-04-27 System for recording/reproducing an information source having an apparatus-specific identification signal
US07/434,791 US5003410A (en) 1987-06-30 1989-11-13 System for recording/reproducing an information source having an apparatus specific identification signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16090987A JPH0778963B2 (ja) 1987-06-30 1987-06-30 記録及び再生装置

Publications (2)

Publication Number Publication Date
JPS647372A true JPS647372A (en) 1989-01-11
JPH0778963B2 JPH0778963B2 (ja) 1995-08-23

Family

ID=15724950

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16090987A Expired - Lifetime JPH0778963B2 (ja) 1987-06-30 1987-06-30 記録及び再生装置

Country Status (1)

Country Link
JP (1) JPH0778963B2 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02239468A (ja) * 1989-03-13 1990-09-21 Toshiba Corp ダビング制御装置
JP2002246993A (ja) * 2001-02-14 2002-08-30 Sony Corp 情報処理装置および方法、記録媒体、並びにプログラム

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02239468A (ja) * 1989-03-13 1990-09-21 Toshiba Corp ダビング制御装置
JP2002246993A (ja) * 2001-02-14 2002-08-30 Sony Corp 情報処理装置および方法、記録媒体、並びにプログラム

Also Published As

Publication number Publication date
JPH0778963B2 (ja) 1995-08-23

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