JPS6425365A - Digital signal reproducing device - Google Patents

Digital signal reproducing device

Info

Publication number
JPS6425365A
JPS6425365A JP62183022A JP18302287A JPS6425365A JP S6425365 A JPS6425365 A JP S6425365A JP 62183022 A JP62183022 A JP 62183022A JP 18302287 A JP18302287 A JP 18302287A JP S6425365 A JPS6425365 A JP S6425365A
Authority
JP
Japan
Prior art keywords
signal
value
crc
writing
counting
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.)
Pending
Application number
JP62183022A
Other languages
Japanese (ja)
Inventor
Azusa Katsumata
Shigeyuki Satomura
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP62183022A priority Critical patent/JPS6425365A/en
Priority to US07/220,028 priority patent/US4876616A/en
Priority to CA000572321A priority patent/CA1322406C/en
Priority to DE8888306595T priority patent/DE3875838T2/en
Priority to EP88306595A priority patent/EP0300732B1/en
Priority to KR1019880009107A priority patent/KR0138119B1/en
Publication of JPS6425365A publication Critical patent/JPS6425365A/en
Pending legal-status Critical Current

Links

Landscapes

  • Error Detection And Correction (AREA)
  • Television Signal Processing For Recording (AREA)

Abstract

PURPOSE:To simplify a circuit constitution and to reduce a cost by using a CRC (Cyclic Redundancy Check) signal as an element to generate a writing error deciding signal by means of the correlation of a correction prohibiting signal and the CRC signal. CONSTITUTION:By counting means 42-45, the CRC signal is counted for a prescribed period, the counting value is compared with a prescribed value, and the error condition of digital data is decided according to the comparison output. Namely, when the counted value of the CRC signal goes to the prescribed value or above set by the counting means 42-45, it is considered that there is no writing errors, and when the counting value does not reach the prescribed value, it is considered that the writing error is generated. Thus, in a writing mode, since the CRC signal, which is not practically in use, is used, the circuit constitution can be simplified and the cost is reduced, as well.
JP62183022A 1987-07-22 1987-07-22 Digital signal reproducing device Pending JPS6425365A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP62183022A JPS6425365A (en) 1987-07-22 1987-07-22 Digital signal reproducing device
US07/220,028 US4876616A (en) 1987-07-22 1988-07-15 Apparatus for reproducing a digital signal
CA000572321A CA1322406C (en) 1987-07-22 1988-07-18 Apparatus for reproducing a digital signal
DE8888306595T DE3875838T2 (en) 1987-07-22 1988-07-19 DEVICE FOR PLAYING DIGITAL SIGNALS.
EP88306595A EP0300732B1 (en) 1987-07-22 1988-07-19 Apparatus for reproducing a digital signal
KR1019880009107A KR0138119B1 (en) 1987-07-22 1988-07-21 Apparatus for reproducing a digital signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62183022A JPS6425365A (en) 1987-07-22 1987-07-22 Digital signal reproducing device

Publications (1)

Publication Number Publication Date
JPS6425365A true JPS6425365A (en) 1989-01-27

Family

ID=16128369

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62183022A Pending JPS6425365A (en) 1987-07-22 1987-07-22 Digital signal reproducing device

Country Status (1)

Country Link
JP (1) JPS6425365A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8580143B2 (en) 2008-11-05 2013-11-12 Korea Institute Of Industrial Technology Lyotropic chromonic liquid crystal composition, method for manufacture of lyotropic chromonic liquid crystal coating film, and lyotropic chromonic liquid crystal coating film manufactured thereby

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8580143B2 (en) 2008-11-05 2013-11-12 Korea Institute Of Industrial Technology Lyotropic chromonic liquid crystal composition, method for manufacture of lyotropic chromonic liquid crystal coating film, and lyotropic chromonic liquid crystal coating film manufactured thereby

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