TRAVELLING WAVE ELECTRICAL/ACOUSTIC TRANSDUCER SYSTEM AND A MICROPHONE AND LOUDSPEAKER INCORPORATING SUCH A SYSTEM,申请号EP19820300302-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	TRAVELLING WAVE ELECTRICAL/ACOUSTIC TRANSDUCER SYSTEM AND A MICROPHONE AND LOUDSPEAKER INCORPORATING SUCH A SYSTEM
摘要
申请公布号	EP0065810(A3)	申请公布日期	1983.07.20
申请号	EP19820300302	申请日期	1982.01.21
申请人	BEARD, TERRY D.	发明人	BEARD, TERRY D.
分类号	H04R3/06;H04R1/40;H04R3/00;H04R3/12;H04R19/00;(IPC1-7):H04R19/00	主分类号	H04R3/06
代理机构		代理人
主权项
地址

您可能感兴趣的专利

Nanometer-sized up-converting phosphor fluoride particles and process of preparation

Compound and organic electroluminescense device using the same

Absorbent plugs and caps for air conditioning and refrigeration fittings

Novel supported catalyst systems

Removing siloxanes from a gas stream using a mineral based adsorption media

Job processing apparatus

Peer-to-peer affinity-group commerce method and system

Device for inserting implants

Coating film tape end structure

Optics for extreme ultraviolet lithography

Apparatus and method for extracting similar source code

Photomask and near-field exposure method

Method of and slurry for texturing glass substrate of magnetic hard disk

Exchange system connecting terminals in different systems

Plasma display apparatus and method for driving the same

Plasma display apparatus and driving method thereof

Plasma display panel (PDP)

Methods for assembling protein microarrays

Compositions and methods for the diagnosis and treatment of kidney disease

Electroluminescent quinolates