JPS5276003A - Optical information recording system - Google Patents

Optical information recording system

Info

Publication number
JPS5276003A
JPS5276003A JP50152000A JP15200075A JPS5276003A JP S5276003 A JPS5276003 A JP S5276003A JP 50152000 A JP50152000 A JP 50152000A JP 15200075 A JP15200075 A JP 15200075A JP S5276003 A JPS5276003 A JP S5276003A
Authority
JP
Japan
Prior art keywords
information recording
recording system
optical information
optical
laser
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
JP50152000A
Other languages
Japanese (ja)
Other versions
JPS5834010B2 (en
Inventor
Yoshihiko Honjo
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
Original Assignee
Victor Company of Japan 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 Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Priority to JP50152000A priority Critical patent/JPS5834010B2/en
Priority to US05/753,003 priority patent/US4123780A/en
Publication of JPS5276003A publication Critical patent/JPS5276003A/en
Publication of JPS5834010B2 publication Critical patent/JPS5834010B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Lasers (AREA)

Abstract

PURPOSE: To provide an optical information recording system, in which there are provided in the opticalpath of a laser beam a aplurality of optical modulators having a colsed loop circuit for removal of the laser noises and drifts so as to remarkably inprove the S/N ratio of the recorded signals in an information recording disc.
COPYRIGHT: (C)1977,JPO&Japio
JP50152000A 1975-12-22 1975-12-22 Kogakutekijiyouhoukirokuhoushiki Expired JPS5834010B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP50152000A JPS5834010B2 (en) 1975-12-22 1975-12-22 Kogakutekijiyouhoukirokuhoushiki
US05/753,003 US4123780A (en) 1975-12-22 1976-12-21 Signal noise filtration for laser beam recording system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50152000A JPS5834010B2 (en) 1975-12-22 1975-12-22 Kogakutekijiyouhoukirokuhoushiki

Publications (2)

Publication Number Publication Date
JPS5276003A true JPS5276003A (en) 1977-06-25
JPS5834010B2 JPS5834010B2 (en) 1983-07-23

Family

ID=15530866

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50152000A Expired JPS5834010B2 (en) 1975-12-22 1975-12-22 Kogakutekijiyouhoukirokuhoushiki

Country Status (1)

Country Link
JP (1) JPS5834010B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57154660A (en) * 1981-03-20 1982-09-24 Mitsubishi Electric Corp Optical type information reproducing device
JPS57154658A (en) * 1981-03-20 1982-09-24 Mitsubishi Electric Corp Optical type information reproducing device
JPS58208949A (en) * 1982-05-28 1983-12-05 Matsushita Electric Ind Co Ltd Optical modulating device
JPS61195527U (en) * 1986-04-30 1986-12-05

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57154660A (en) * 1981-03-20 1982-09-24 Mitsubishi Electric Corp Optical type information reproducing device
JPS57154658A (en) * 1981-03-20 1982-09-24 Mitsubishi Electric Corp Optical type information reproducing device
JPH0247015B2 (en) * 1981-03-20 1990-10-18 Mitsubishi Electric Corp
JPS58208949A (en) * 1982-05-28 1983-12-05 Matsushita Electric Ind Co Ltd Optical modulating device
JPS61195527U (en) * 1986-04-30 1986-12-05

Also Published As

Publication number Publication date
JPS5834010B2 (en) 1983-07-23

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