Procédé d'enregistrement et de reproduction des sons et appareils pour sa mise en pratique,申请号FRD881748-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	Procédé d'enregistrement et de reproduction des sons et appareils pour sa mise en pratique
摘要
申请公布号	FR881748(A)	申请公布日期	1943.05.06
申请号	FRD881748	申请日期	1942.05.04
申请人		发明人	RAVERAT GEORGES
分类号	H03G7/00	主分类号	H03G7/00
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Regeneration eines Partikelfilters (PF) bei ausgeschalteter Maschine unter Verwendung einer einzelnen sekundären Energiespeichervorrichtung

Saugtransportvorrichtung und Verfahren zur Abnahme eines Bogens von einem Bogenstapel

System zur direkten Kraftstoffeinspritzung

Gewinnung von hochreinem Krypton und/oder Xenon

Isolierband-Material, Verfahren zur Herstellung und Verwendung dazu

Stabilisierte (Meth)acrylmonomere

Method for operating coupling device e.g. dual clutch used in motor car, involves engaging transmission device with wear adjustment devices such that no rotational torque is transferred from coupling device to second output shaft

Hearing instrument e.g. behind-the-ear (BTE) hearing aid has connecting elements that are partially made of vibration-damping material such as rubber to damp transfer of vibrations between housing and attachment

Method for stopping engine of hybrid vehicle system, involves arranging driveline clutch of drive train between the combustion engine and the integrated starter/generator to stop the engine in desired position

Hauling drum for agricultural harvest attachment e.g. cutting platform, has finger mount whose external end is extended outward through aperture in casing and whose rotational axis is enabled to form angle with rotational axis of shaft

Device for determination of quality of encoded medium signal e.g. video signal, has quality determiner determining quality of encoded medium signal during analysis periods temporally aligned to transmission-fault-free and/or -prone phases

Motor car, has primary air duct opening at side surfaces in panel, and sealing element movable between position lowered in side surfaces during opening of door and another position protruding from side surfaces during closing of door

Cover for covering test adapter that is utilized for testing functions of components on printed circuit board, has roller arranged at cover and rolling on curved edge of cam such that cover is movable between open and closing positions

Filter module, useful for spraying phosphating plant, includes non-woven frame, and filtering medium that includes knitted spacer fabric having cover layers and pile threads, where cover layers comprise grid structure made of fabric

Centering device for e.g. ring gear brake, for planetary gears between crankshaft and pulley of belt drive in motor car, has brake shoes spring-loaded by springs at centering element to center brake shoes relative to brake disk

Device for transferring operating force of shift lever of manual transmission in vehicle, has control shaft axially rotated to perform gear shift operation and linearly moved to perform gear shift operation during shift operation of lever

Differential gear for dividing driving power on propulsion system, has annular bush element that is provided on circumference of output hub and annular bottom that face away from spigots that are provided on bearing bores

Differential spur gear has support elements that are arranged at inside of ring gears and provided with treads which supports projection portions of spur gear elements radially

Differential gear for propulsion system, has circulation housing made of profile material, which is formed along profile axles in such a manner parallel to circulation axles

Windshield wiper motor, has armature shaft mounted in three axially spaced-apart bearing devices, where one of bearing device is resilient received in radial direction at external periphery by intermediate element