JPS58135042U

JPS58135042U - disk device

Info

Publication number: JPS58135042U
Application number: JP2931882U
Authority: JP
Inventors: 本「あ」　光史
Original assignee: 日本電気株式会社
Priority date: 1982-03-02
Filing date: 1982-03-02
Publication date: 1983-09-10

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例の主要部の構成断面図である
。１・・・・・・ディスク、２・・・・・・モータ、３・
・・・・・スピンドル・ハブ、４・・・・・・ハブ・ク
ランプ、５・・・・・・磁気ヘッド、６・・・・・・駆
動アーム、７・・・・・・磁気ディスク面、８・・・・
・・光学式ビデオ・ヘッド部、９・・・・・・光デイス
ク面、１０・・・・・・半導体レーザー発振器、１１・
・・・・・レーザービーム、１２及び１５・・・・・・
レンズ、１３・・・・・・ハーフミラ−１１４・・・・
・・ミラー、１６・・・・・・光検出器、１７・・・・
・・ビデオ再生信号、１８・・・・・・ローラー、１９
・・・・・・レール、２０・・・・・・レーザードライ
ブ回路。FIG. 1 is a sectional view of the main parts of an embodiment of the present invention. 1...disc, 2...motor, 3.
... Spindle hub, 4 ... Hub clamp, 5 ... Magnetic head, 6 ... Drive arm, 7 ... Magnetic disk surface , 8...
...Optical video head unit, 9...Optical disk surface, 10...Semiconductor laser oscillator, 11.
...Laser beam, 12 and 15...
Lens, 13...Half mirror-114...
...Mirror, 16...Photodetector, 17...
...Video playback signal, 18...Roller, 19
...Rail, 20...Laser drive circuit.

Claims

[Scope of utility model registration request]

(1) An information recording/reproducing device that records and reproduces information on a rotating disk-shaped recording medium, which uses a reproduction-only video head to reproduce a video signal from a reproduction-only video disk surface. 1. A disk device comprising a disk reproducing means, a magnetic disk reproducing/recording means for magnetically recording or reproducing information on a magnetic disk surface by a magnetic head, and a disk fixing means to a rotation drive system.

(2) A disk device according to claim (1), which is equipped with a disk having one surface as a read-only recording medium surface and the other surface as a magnetic recording medium surface.