JPS5262037A - Information regenerator - Google Patents

Information regenerator

Info

Publication number
JPS5262037A
JPS5262037A JP50137189A JP13718975A JPS5262037A JP S5262037 A JPS5262037 A JP S5262037A JP 50137189 A JP50137189 A JP 50137189A JP 13718975 A JP13718975 A JP 13718975A JP S5262037 A JPS5262037 A JP S5262037A
Authority
JP
Japan
Prior art keywords
information regenerator
engraved
informations
detectors
depth
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
JP50137189A
Other languages
Japanese (ja)
Other versions
JPS6132735B2 (en
Inventor
Yoshito Tsunoda
Takeshi Maeda
Toshimitsu Miyauchi
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 JP50137189A priority Critical patent/JPS5262037A/en
Publication of JPS5262037A publication Critical patent/JPS5262037A/en
Publication of JPS6132735B2 publication Critical patent/JPS6132735B2/ja
Granted legal-status Critical Current

Links

Landscapes

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

Abstract

PURPOSE: To enable regeneration of engraved informations with a simple structure using two detectors by making the depth of the information track recorded on the recording medium not equal to integer multiple of λ/4 for a wave length of the laser flux λ.
COPYRIGHT: (C)1977,JPO&Japio
JP50137189A 1975-11-17 1975-11-17 Information regenerator Granted JPS5262037A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50137189A JPS5262037A (en) 1975-11-17 1975-11-17 Information regenerator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50137189A JPS5262037A (en) 1975-11-17 1975-11-17 Information regenerator

Publications (2)

Publication Number Publication Date
JPS5262037A true JPS5262037A (en) 1977-05-23
JPS6132735B2 JPS6132735B2 (en) 1986-07-29

Family

ID=15192871

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50137189A Granted JPS5262037A (en) 1975-11-17 1975-11-17 Information regenerator

Country Status (1)

Country Link
JP (1) JPS5262037A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55160336A (en) * 1979-05-31 1980-12-13 Sharp Corp Optical information reproducing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55160336A (en) * 1979-05-31 1980-12-13 Sharp Corp Optical information reproducing device

Also Published As

Publication number Publication date
JPS6132735B2 (en) 1986-07-29

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