GB2104755B - System for recording scrambled digital signals and playback system therefor - Google Patents

System for recording scrambled digital signals and playback system therefor

Info

Publication number
GB2104755B
GB2104755B GB08222117A GB8222117A GB2104755B GB 2104755 B GB2104755 B GB 2104755B GB 08222117 A GB08222117 A GB 08222117A GB 8222117 A GB8222117 A GB 8222117A GB 2104755 B GB2104755 B GB 2104755B
Authority
GB
United Kingdom
Prior art keywords
digital signals
scrambled digital
therefor
playback system
recording scrambled
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.)
Expired
Application number
GB08222117A
Other versions
GB2104755A (en
Inventor
Isao Masuda
Nobuaki Takahashi
Yoshiki Iwasaki
Makoto Komura
Kazunori Nishikawa
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.)
Victor Company of Japan Ltd
Nippon Victor KK
Original Assignee
Victor Company of Japan Ltd
Nippon Victor KK
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 JP56120359A external-priority patent/JPS5823310A/en
Priority claimed from JP56120358A external-priority patent/JPS5823309A/en
Application filed by Victor Company of Japan Ltd, Nippon Victor KK filed Critical Victor Company of Japan Ltd
Publication of GB2104755A publication Critical patent/GB2104755A/en
Application granted granted Critical
Publication of GB2104755B publication Critical patent/GB2104755B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1806—Pulse code modulation systems for audio signals
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10527—Audio or video recording; Data buffering arrangements
GB08222117A 1981-07-31 1982-07-30 System for recording scrambled digital signals and playback system therefor Expired GB2104755B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP56120359A JPS5823310A (en) 1981-07-31 1981-07-31 Recording system for digital information signal
JP56120358A JPS5823309A (en) 1981-07-31 1981-07-31 Descrambling circuit

Publications (2)

Publication Number Publication Date
GB2104755A GB2104755A (en) 1983-03-09
GB2104755B true GB2104755B (en) 1985-06-19

Family

ID=26457962

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08222117A Expired GB2104755B (en) 1981-07-31 1982-07-30 System for recording scrambled digital signals and playback system therefor

Country Status (7)

Country Link
KR (1) KR840001359A (en)
AU (1) AU534690B2 (en)
CA (1) CA1201201A (en)
DE (1) DE3228539A1 (en)
FR (1) FR2510797B1 (en)
GB (1) GB2104755B (en)
NL (1) NL8203050A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU580769B2 (en) * 1984-05-05 1989-02-02 British Encryption Technology Limited Communications system
DE3529435A1 (en) * 1985-08-16 1987-02-26 Bosch Gmbh Robert METHOD FOR TRANSMITTING DIGITALLY CODED SIGNALS
GB9205291D0 (en) * 1992-03-11 1992-04-22 Soundcraft Electronics Ltd Improvements in or relating to the digital control of analogue systems

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA925212A (en) * 1970-06-22 1973-04-24 Western Electric Company, Incorporated Digital data scrambler-descrambler apparatus for improved error performance
US4246615A (en) * 1977-12-16 1981-01-20 Victor Company Of Japan, Limited System for recording and/or reproducing an audio signal which has been converted into a digital signal
US4234898A (en) * 1978-03-15 1980-11-18 Nippon Hoso Kyokai Digital magnetic recording and reproducing apparatus
JPS5539436A (en) * 1978-09-13 1980-03-19 Sony Corp Pcm signal transmission device
DE2847603A1 (en) * 1978-11-02 1980-05-14 Toppan Printing Co Ltd PCM audio disc recordings - allows multichannel signals to be modulated and recorded on disc with suppression of undesirable HF

Also Published As

Publication number Publication date
DE3228539C2 (en) 1987-12-03
FR2510797A1 (en) 1983-02-04
AU534690B2 (en) 1984-02-09
DE3228539A1 (en) 1983-03-03
FR2510797B1 (en) 1988-08-26
AU8658782A (en) 1983-03-17
CA1201201A (en) 1986-02-25
NL8203050A (en) 1983-02-16
GB2104755A (en) 1983-03-09
KR840001359A (en) 1984-04-30

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee