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JPS5589919A - Information recorder - Google Patents

Information recorder

Info

Publication number
JPS5589919A
JPS5589919A JP15984078A JP15984078A JPS5589919A JP S5589919 A JPS5589919 A JP S5589919A JP 15984078 A JP15984078 A JP 15984078A JP 15984078 A JP15984078 A JP 15984078A JP S5589919 A JPS5589919 A JP S5589919A
Authority
JP
Japan
Prior art keywords
recording
error
peak period
signal
data
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
JP15984078A
Other languages
Japanese (ja)
Other versions
JPS5935090B2 (en
Inventor
Toshimitsu Miyauchi
Yoshito Tsunoda
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP53159840A priority Critical patent/JPS5935090B2/en
Priority to GB7942408A priority patent/GB2040539B/en
Priority to CA000342086A priority patent/CA1145845A/en
Priority to DE2951215A priority patent/DE2951215C2/en
Priority to FR7931242A priority patent/FR2445580B1/en
Priority to NL7909217A priority patent/NL7909217A/en
Priority to US06/105,704 priority patent/US4308612A/en
Publication of JPS5589919A publication Critical patent/JPS5589919A/en
Publication of JPS5935090B2 publication Critical patent/JPS5935090B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)

Abstract

PURPOSE: To ensure to detect the recording state of information on the optical disc, by detecting the reflection light flux from the optical disc at recording and detecting the maximum and minimum peak period for the reflection signal.
CONSTITUTION: The recording media 10 records the data in the condition of presence of ON and OFF, i.e., presence of holes with coverged spot. The reflection signal from the disc 9 at recording is introduced to the detection circuit 13 through the optical detector 11 and head amplifier 12. The maximum peak period T is made longer with this reflection signal, as shown in b, and the minimum peak period is presented, then the error signal is outputted from the detection circuit 13 as shwon in g and it is inputted to the signal modulation circuit 2. Thus, the same data are again recorded to the next sector. If any error is detected in the data recording, the same data are recorded again the next sector to obtain the recording of information with any error from this result.
COPYRIGHT: (C)1980,JPO&Japio
JP53159840A 1978-12-27 1978-12-27 information recording device Expired JPS5935090B2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP53159840A JPS5935090B2 (en) 1978-12-27 1978-12-27 information recording device
GB7942408A GB2040539B (en) 1978-12-27 1979-12-07 Optical information recording apparatus
CA000342086A CA1145845A (en) 1978-12-27 1979-12-17 Optical information recording apparatus
DE2951215A DE2951215C2 (en) 1978-12-27 1979-12-19 Device for checking an information record
FR7931242A FR2445580B1 (en) 1978-12-27 1979-12-20 OPTICAL INFORMATION RECORDING APPARATUS
NL7909217A NL7909217A (en) 1978-12-27 1979-12-20 DEVICE FOR OPTICAL DATA REGISTRATION.
US06/105,704 US4308612A (en) 1978-12-27 1979-12-20 Optical information recording apparatus including error checking circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53159840A JPS5935090B2 (en) 1978-12-27 1978-12-27 information recording device

Publications (2)

Publication Number Publication Date
JPS5589919A true JPS5589919A (en) 1980-07-08
JPS5935090B2 JPS5935090B2 (en) 1984-08-27

Family

ID=15702377

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53159840A Expired JPS5935090B2 (en) 1978-12-27 1978-12-27 information recording device

Country Status (1)

Country Link
JP (1) JPS5935090B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58165163A (en) * 1982-03-26 1983-09-30 Hitachi Ltd Controlling system of unrewritable storage device
JPS60145537A (en) * 1984-01-10 1985-08-01 Nec Corp Optical information recording system and its device
US5798993A (en) * 1995-05-29 1998-08-25 Nec Corporation System and method for simultaneously verifying optical data writing and optical data writing medium for use therein

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS536516A (en) * 1976-07-08 1978-01-21 Matsushita Electric Ind Co Ltd Optical recording and reproducing unit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS536516A (en) * 1976-07-08 1978-01-21 Matsushita Electric Ind Co Ltd Optical recording and reproducing unit

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58165163A (en) * 1982-03-26 1983-09-30 Hitachi Ltd Controlling system of unrewritable storage device
JPH0459692B2 (en) * 1982-03-26 1992-09-24 Hitachi Ltd
JPS60145537A (en) * 1984-01-10 1985-08-01 Nec Corp Optical information recording system and its device
US5798993A (en) * 1995-05-29 1998-08-25 Nec Corporation System and method for simultaneously verifying optical data writing and optical data writing medium for use therein

Also Published As

Publication number Publication date
JPS5935090B2 (en) 1984-08-27

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