JPS53100807A - Optical recording and reproducing system - Google Patents

Optical recording and reproducing system

Info

Publication number
JPS53100807A
JPS53100807A JP1565977A JP1565977A JPS53100807A JP S53100807 A JPS53100807 A JP S53100807A JP 1565977 A JP1565977 A JP 1565977A JP 1565977 A JP1565977 A JP 1565977A JP S53100807 A JPS53100807 A JP S53100807A
Authority
JP
Japan
Prior art keywords
optical recording
reproducing system
dusts
reproduced
shifting
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
JP1565977A
Other languages
Japanese (ja)
Other versions
JPS6114573B2 (en
Inventor
Shunji Harikae
Tomio Yoshida
Shiro Tsuji
Hideo Okamura
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP1565977A priority Critical patent/JPS53100807A/en
Publication of JPS53100807A publication Critical patent/JPS53100807A/en
Publication of JPS6114573B2 publication Critical patent/JPS6114573B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To improve the S/N ratio due to the dusts on an optically recording medium by shifting the duty ratio during one cycle of an FM modulated signal by 50% when the information signal is to be reproduced by the converged optical beam.
COPYRIGHT: (C)1978,JPO&Japio
JP1565977A 1977-02-15 1977-02-15 Optical recording and reproducing system Granted JPS53100807A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1565977A JPS53100807A (en) 1977-02-15 1977-02-15 Optical recording and reproducing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1565977A JPS53100807A (en) 1977-02-15 1977-02-15 Optical recording and reproducing system

Publications (2)

Publication Number Publication Date
JPS53100807A true JPS53100807A (en) 1978-09-02
JPS6114573B2 JPS6114573B2 (en) 1986-04-19

Family

ID=11894852

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1565977A Granted JPS53100807A (en) 1977-02-15 1977-02-15 Optical recording and reproducing system

Country Status (1)

Country Link
JP (1) JPS53100807A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008270651A (en) * 2007-04-24 2008-11-06 Kenwood Corp Heat radiation mechanism for amplifier, and amplifier

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008270651A (en) * 2007-04-24 2008-11-06 Kenwood Corp Heat radiation mechanism for amplifier, and amplifier

Also Published As

Publication number Publication date
JPS6114573B2 (en) 1986-04-19

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