JPS59164943U

JPS59164943U - optical card

Info

Publication number: JPS59164943U
Application number: JP1983056099U
Authority: JP
Inventors: 黒岩　顕彦; 憲良南波; 利樹青井; 浅見　茂; 一夫高橋
Original assignee: ティーディーケイ株式会社
Priority date: 1983-04-15
Filing date: 1983-04-15
Publication date: 1984-11-05

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ａ及びｂはそれぞれ磁気カードの断面図及び平面
図、第２図ａ及びｂはそれぞれ光カードの断面図及び平
面図、第３図ａ及びｂはそれぞれ光カードの記録及び再
生時の動作説明図、第４図は光記録材料に情報が記録さ
れた状態を示す説明図、第５図ａ及びｂはそれぞれ基板
にトラッキング用の溝を設けた光カードの断面図及び平
面図、第６図及び第７図はトラッキング状態を説明する
ための原理図、第８図ａ及びｂはそれぞれ本考案の第１
実施例の断面図及び平面図、第９図は本考案の第２実施
例の平面図、第１０図はアドレス信号を有する基板の部
分平面図、第１１図は光カードを情報の記録、再生装置
にセットした状態を示す説明図である。１・・・・・・台紙、２・・・・・・磁気記録材、３・
・・・・・保護シール、４・・・・・・基板、５・・・
・・・光記録部材、６・・・・・・保護部材、７・・・
・・・レーザビーム、８・・曲ピット、９・・・・・・
ピット列、１０・・・・・・光学ヘッドの進行方向、１
１・・・・・・基板、１２・・・・・佳ラッキング用の
溝、１３・・・・・・光記録部材、１４・・・・・・保
護層、１６・・・・・・レーザ装置、１７・・・・・・
コリメータ光学系、１８・・・・・・光学系、１９・・
・・・・可動反射鏡、２０・・・・・・レンズ、２１・
・・・・・差動増幅器、２２・・・・・・可動反射鏡制
御部、２３・・・・・・偏光ビームスプリッタ、２４・
・・・−１！４波−Ｍ、２５・・・・・・レンズ、３０
・・・・・一基板、３１・・間渦巻状の溝、３２・・・
・・・穴、３３・・・・・・同心円状の溝、３４・・・
・・・アドレス信号、３５・・・・・・カード押え具、
３６・・・・・・光カード、Ｐｌ、Ｐ２・・・・・・ホ
トダイオード、Ｓ・・・・・・基板表面。Figures 1a and b are a sectional view and a plan view of a magnetic card, respectively. Figures 2a and b are a sectional view and a plan view of an optical card, respectively. Figures 3a and b are optical cards during recording and playback, respectively. FIG. 4 is an explanatory diagram showing the state in which information is recorded on the optical recording material. FIGS. 6 and 7 are principle diagrams for explaining the tracking state, and FIGS. 8a and 8b are the first diagrams of the present invention, respectively.
9 is a plan view of the second embodiment of the present invention, FIG. 10 is a partial plan view of a substrate having an address signal, and FIG. 11 is an optical card for recording and reproducing information. It is an explanatory view showing a state where it is set in a device. 1... Mounting paper, 2... Magnetic recording material, 3.
・・・Protective seal, 4... Board, 5...
...Optical recording member, 6...Protection member, 7...
・・・Laser beam, 8...Song pit, 9...
Pit row, 10...Advancing direction of optical head, 1
DESCRIPTION OF SYMBOLS 1...Substrate, 12...Groove for good racking, 13...Optical recording member, 14...Protective layer, 16...Laser Device, 17...
Collimator optical system, 18... Optical system, 19...
...Movable reflector, 20...Lens, 21.
... Differential amplifier, 22 ... Movable reflecting mirror control section, 23 ... Polarization beam splitter, 24.
...-1!4 waves-M, 25...lens, 30
... One substrate, 31 ... Spiral groove between, 32 ...
... Hole, 33 ... Concentric groove, 34 ...
...address signal, 35...card holder,
36...Optical card, Pl, P2...Photodiode, S...Substrate surface.

Claims

[Claims for Utility Model Registration] (1) In an optical card in which an optical recording material is provided on a card-shaped substrate, information is recorded on the surface or inside of the recording material by thermal action by selective irradiation with laser light, An optical card characterized in that the substrate is provided with a circular groove for tracking. (2) The optical card according to claim 1, wherein the circular groove has a spiral shape. (3) The optical card according to claim 1, wherein the circular grooves are concentric circles.