JPS5318A - Optical video disc reproduction unit - Google Patents

Optical video disc reproduction unit

Info

Publication number
JPS5318A
JPS5318A JP7512876A JP7512876A JPS5318A JP S5318 A JPS5318 A JP S5318A JP 7512876 A JP7512876 A JP 7512876A JP 7512876 A JP7512876 A JP 7512876A JP S5318 A JPS5318 A JP S5318A
Authority
JP
Japan
Prior art keywords
video disc
reproduction unit
disc reproduction
optical video
track
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.)
Pending
Application number
JP7512876A
Other languages
Japanese (ja)
Inventor
Mitsushige Kondo
Takaharu Sato
Kazuo Nishi
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP7512876A priority Critical patent/JPS5318A/en
Publication of JPS5318A publication Critical patent/JPS5318A/en
Pending legal-status Critical Current

Links

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  • Optical Head (AREA)

Abstract

PURPOSE: To facilitate the tracking and to secure an extremely stabilized detection of the video signal by forming the light spot irradiated on the information track into an ellipse shape which has the longer diameter in the direction vertical to the track direction.
COPYRIGHT: (C)1978,JPO&Japio
JP7512876A 1976-06-24 1976-06-24 Optical video disc reproduction unit Pending JPS5318A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7512876A JPS5318A (en) 1976-06-24 1976-06-24 Optical video disc reproduction unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7512876A JPS5318A (en) 1976-06-24 1976-06-24 Optical video disc reproduction unit

Publications (1)

Publication Number Publication Date
JPS5318A true JPS5318A (en) 1978-01-05

Family

ID=13567238

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7512876A Pending JPS5318A (en) 1976-06-24 1976-06-24 Optical video disc reproduction unit

Country Status (1)

Country Link
JP (1) JPS5318A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5750335A (en) * 1980-09-09 1982-03-24 Mitsubishi Electric Corp Optical information reproducer
JPS5868249A (en) * 1981-10-19 1983-04-23 Hitachi Ltd optical information reader

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5750335A (en) * 1980-09-09 1982-03-24 Mitsubishi Electric Corp Optical information reproducer
JPS5868249A (en) * 1981-10-19 1983-04-23 Hitachi Ltd optical information reader

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