OPTICAL INFORMATION RECORDING DEVICE,申请号JP19850231638-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	OPTICAL INFORMATION RECORDING DEVICE
摘要
申请公布号	JPS6289236(A)	申请公布日期	1987.04.23
申请号	JP19850231638	申请日期	1985.10.16
申请人	NEC CORP	发明人	YAMANAKA YUTAKA
分类号	G11B7/00;G11B7/004;G11B7/09	主分类号	G11B7/00
代理机构		代理人
主权项
地址

您可能感兴趣的专利

COMPOSES NOUVEAUX DERIVANT DE LA CYCLOPENTANONE ET LEUR UTILISATION A TITRE D'INGREDIENTS PARFUMANTS ET/OU AROMATISANTS

PROCEDE PERFECTIONNE POUR LA FABRICATION D'INTERFACES METAL-SEMI-CONDUCTEUR

SEGMENT RACLEUR REALISE D'UNE SEULE PIECE

STYREANORDNING FOR ROBOT E.L.

FREMGANGSM}TE VED FREMSTILLING AV HJULRINGER AV CELLUL{R GUMMI

Steplessly variable drive unit - has rotary ram supplied via radial passage in component in stationary chamber

Toy collapsible cardboard table - retracts into box of which lid and body form base and top of table and which contains single collapsed leg

Multilayer watch strap with simple case fastening - has clip with projecting hook end embedded in plastics core (NO 12.12.77)

Circulating digital memory circuit - includes data processing circuits mounted in series with pairs of circulating memory loops

Instantaneous gas water heater - has copper water tube inside finned aluminium outer tube welded inside heat exchange chamber

Mfg. porous anode for electrolytic capacitor - for a radio

Punch for mfr. of stator or rotor laminations - producing circular shape from broad strip which is cut into strips with wavy edges

Air cooled heat exchanger for atomic reactor condenser - comprises adjacent elements with attached pipe coils

Non-electrolytic capacitor mfr. - using wound or folded thin metal strips coated with dielectric film

Passivation of thin film resistor on dielectric or semiconductor - by applying oxygen-impermeable coating, pref. silicon nitride

Installation for handling radioactive and toxic materials - has pressure gradient downwards via building, compartments, glove boxes

Quality control system for production machine - records signal representing each defective item tested with spacing between signals indicating quality

Multilayer antireflection coating for optical glass - usable in visual spectrum and in infra red region for night surveillance

Rehydratable alumina mixed with other forms of alumina - to facilitate extrusion of rods which are cut to make catalyst pellets (NL 14.11.77)

Fluid pressure transducer with two compartments - with one compartment in hollow body connected to monitored pressure and other to reference