KR920001998B1 - E.f.m. signal recording and playing back circuit of optical recording and playing back device - Google Patents

E.f.m. signal recording and playing back circuit of optical recording and playing back device

Info

Publication number
KR920001998B1
KR920001998B1 KR8907647A KR890007647A KR920001998B1 KR 920001998 B1 KR920001998 B1 KR 920001998B1 KR 8907647 A KR8907647 A KR 8907647A KR 890007647 A KR890007647 A KR 890007647A KR 920001998 B1 KR920001998 B1 KR 920001998B1
Authority
KR
South Korea
Prior art keywords
playing back
monostable
recording
fed
detects
Prior art date
Application number
KR8907647A
Other languages
English (en)
Other versions
KR910001721A (ko
Inventor
Jae-Hong Lee
Original Assignee
Samsung Electronic
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 Samsung Electronic filed Critical Samsung Electronic
Priority to KR8907647A priority Critical patent/KR920001998B1/ko
Priority to JP2143258A priority patent/JP2740336B2/ja
Priority to NL9001247A priority patent/NL193156C/nl
Priority to US07/531,525 priority patent/US5189657A/en
Publication of KR910001721A publication Critical patent/KR910001721A/ko
Application granted granted Critical
Publication of KR920001998B1 publication Critical patent/KR920001998B1/ko

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
    • G11B20/02Analogue recording or reproducing
    • G11B20/06Angle-modulation recording or reproducing
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • 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
    • G11B20/10Digital recording or reproducing
    • G11B20/10009Improvement or modification of read or write signals
KR8907647A 1989-06-03 1989-06-03 E.f.m. signal recording and playing back circuit of optical recording and playing back device KR920001998B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR8907647A KR920001998B1 (en) 1989-06-03 1989-06-03 E.f.m. signal recording and playing back circuit of optical recording and playing back device
JP2143258A JP2740336B2 (ja) 1989-06-03 1990-05-31 変調信号を書込み可能光ディスクに書き込み、再生する回路
NL9001247A NL193156C (nl) 1989-06-03 1990-05-31 Reproductieketen voor gegevens van een optische schijf.
US07/531,525 US5189657A (en) 1989-06-03 1990-06-01 Circuit for writing and reproducing a modulation signal onto writable optical disk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR8907647A KR920001998B1 (en) 1989-06-03 1989-06-03 E.f.m. signal recording and playing back circuit of optical recording and playing back device

Publications (2)

Publication Number Publication Date
KR910001721A KR910001721A (ko) 1991-01-31
KR920001998B1 true KR920001998B1 (en) 1992-03-09

Family

ID=19286782

Family Applications (1)

Application Number Title Priority Date Filing Date
KR8907647A KR920001998B1 (en) 1989-06-03 1989-06-03 E.f.m. signal recording and playing back circuit of optical recording and playing back device

Country Status (4)

Country Link
US (1) US5189657A (ko)
JP (1) JP2740336B2 (ko)
KR (1) KR920001998B1 (ko)
NL (1) NL193156C (ko)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3551727B2 (ja) * 1997-10-21 2004-08-11 ソニー株式会社 光情報記録装置、光情報記録媒体及び光情報再生装置
US6195778B1 (en) 1998-07-30 2001-02-27 Lsi Logic Corp. Demodulation of DVD codewords using dependency-sorted tables for duplicate/dependent and unique/non-dependent mappings
US6775217B1 (en) 2000-05-18 2004-08-10 Cirrus Logic, Inc. Multi-stage ring oscillator for providing stable delays on EFM data pulses for recording CD-R and CD-RW medium
JP4585214B2 (ja) 2004-03-25 2010-11-24 株式会社東芝 磁気記録媒体及びそれを用いた磁気記録再生装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL66620C (ko) * 1943-06-24
US4397042A (en) * 1981-07-22 1983-08-02 Sumitomo Electric Industries, Ltd. Optical modulation/demodulation system
JPS58158039A (ja) * 1982-03-15 1983-09-20 Toshiba Corp 光ディスクの記録再生装置
US4583211A (en) * 1982-06-15 1986-04-15 Tokyo Shibaura Denki Kabushiki Kaisha Frequency detecting circuit for digital information reproducing system
US4497069A (en) * 1983-01-20 1985-02-05 Braunhut Harold N Universally fitting, modular ballistic garment
JPS61220173A (ja) * 1985-03-26 1986-09-30 Toshiba Corp 情報記録方法及び装置
JPS62180568A (ja) * 1986-02-04 1987-08-07 Sony Corp デイスク状記録媒体の欠陥検出装置
US4873680A (en) * 1987-03-13 1989-10-10 Laserdrive Ltd. Apparatus and method for detecting and compensating for pit extension in an optical disk recording system
US4881076A (en) * 1987-12-01 1989-11-14 International Business Machines Corporation Encoding for pit-per-transition optical data recording
NL8800151A (nl) * 1988-01-22 1989-08-16 Philips Nv Werkwijze en inrichting voor het optekenen van een informatiesignaal.

Also Published As

Publication number Publication date
JPH0323518A (ja) 1991-01-31
NL193156B (nl) 1998-08-03
NL9001247A (nl) 1991-01-02
KR910001721A (ko) 1991-01-31
US5189657A (en) 1993-02-23
JP2740336B2 (ja) 1998-04-15
NL193156C (nl) 1998-12-04

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Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 19970829

Year of fee payment: 8

LAPS Lapse due to unpaid annual fee