JPS57147170A - Recording system for information signal recording medium - Google Patents

Recording system for information signal recording medium

Info

Publication number
JPS57147170A
JPS57147170A JP57016651A JP1665182A JPS57147170A JP S57147170 A JPS57147170 A JP S57147170A JP 57016651 A JP57016651 A JP 57016651A JP 1665182 A JP1665182 A JP 1665182A JP S57147170 A JPS57147170 A JP S57147170A
Authority
JP
Japan
Prior art keywords
signal
outputted
signals
information signal
modulated
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
JP57016651A
Other languages
Japanese (ja)
Other versions
JPS6342345B2 (en
Inventor
Toshio Kaneshiro
Keiji Ozawa
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
Application filed by Victor Company of Japan Ltd, Nippon Victor KK filed Critical Victor Company of Japan Ltd
Priority to JP57016652A priority Critical patent/JPS57147169A/en
Priority to JP57016651A priority patent/JPS57147170A/en
Publication of JPS57147170A publication Critical patent/JPS57147170A/en
Publication of JPS6342345B2 publication Critical patent/JPS6342345B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/14—Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Control Of Position Or Direction (AREA)

Abstract

PURPOSE:To regenerate other reference signals precisely by means of a simple circuit by recording a reference signal for tracking control to form a subtrack and superposing another reference signal on a main information signal to record them. CONSTITUTION:An input signal fsc is supplied to dividers 2, 3, 4 and gate circuits 5, 6, 7 and tracking control reference signals fp1, fp2, fp3 are outputted respectively. The signal fp3 and a main information signal from an input terminal 14 and the signals fp1 and fp2 are mixed respectively in mixers 15, 11. After passing through a light modulator 57 for regulating the quantity of light, a laser beam from a laser source 55 is penetrated into a half mirror 58 and supplied to light modulator 59 to be modulated by a superposition signal from the mixer 15 and the 1st modulated light beam is outputted. A time-division multiplex signal of the signals fp1, fp2 from an output terminal 12 is applied to a light modulator 60 and the 2nd modulated light beam is outputted, introduced into a deflecting prism 62 together with the 1st modulated light beam and condensed on an original disc 65.
JP57016651A 1982-02-04 1982-02-04 Recording system for information signal recording medium Granted JPS57147170A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP57016652A JPS57147169A (en) 1982-02-04 1982-02-04 Reproducer for information signal recording medium
JP57016651A JPS57147170A (en) 1982-02-04 1982-02-04 Recording system for information signal recording medium

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP57016652A JPS57147169A (en) 1982-02-04 1982-02-04 Reproducer for information signal recording medium
JP57016651A JPS57147170A (en) 1982-02-04 1982-02-04 Recording system for information signal recording medium

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP4840778A Division JPS54140517A (en) 1978-04-24 1978-04-24 Information signal recording medium, and the recording and reproducing apparatus thereof

Publications (2)

Publication Number Publication Date
JPS57147170A true JPS57147170A (en) 1982-09-10
JPS6342345B2 JPS6342345B2 (en) 1988-08-23

Family

ID=26353032

Family Applications (2)

Application Number Title Priority Date Filing Date
JP57016652A Granted JPS57147169A (en) 1982-02-04 1982-02-04 Reproducer for information signal recording medium
JP57016651A Granted JPS57147170A (en) 1982-02-04 1982-02-04 Recording system for information signal recording medium

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP57016652A Granted JPS57147169A (en) 1982-02-04 1982-02-04 Reproducer for information signal recording medium

Country Status (1)

Country Link
JP (2) JPS57147169A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63148418A (en) * 1986-12-10 1988-06-21 Matsushita Electric Ind Co Ltd Optical disk

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63226317A (en) * 1987-03-14 1988-09-21 船井電機株式会社 Bread making device
JPH01160936U (en) * 1988-04-28 1989-11-08
JPH02307412A (en) * 1989-05-23 1990-12-20 Matsushita Electric Ind Co Ltd Automatic bread making device
JPH0386120U (en) * 1989-12-22 1991-08-30
NL2028208B1 (en) 2021-05-12 2022-11-30 Flint Group Germany Gmbh Flexographic printing element precursor with high melt flow index
NL2028207B1 (en) 2021-05-12 2022-11-30 Flint Group Germany Gmbh A relief precursor with vegetable oils as plasticizers suitable for printing plates

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5010913A (en) * 1973-05-25 1975-02-04
JPS52123222A (en) * 1976-10-26 1977-10-17 Victor Co Of Japan Ltd Information disk reproducing system
JPS5479603A (en) * 1977-12-07 1979-06-25 Canon Inc Tracking device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5010913A (en) * 1973-05-25 1975-02-04
JPS52123222A (en) * 1976-10-26 1977-10-17 Victor Co Of Japan Ltd Information disk reproducing system
JPS5479603A (en) * 1977-12-07 1979-06-25 Canon Inc Tracking device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63148418A (en) * 1986-12-10 1988-06-21 Matsushita Electric Ind Co Ltd Optical disk

Also Published As

Publication number Publication date
JPS57147169A (en) 1982-09-10
JPS6342345B2 (en) 1988-08-23
JPS639317B2 (en) 1988-02-26

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