Modulating arrangements for carrier wave telephone or like systems,申请号US19540439355-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	Modulating arrangements for carrier wave telephone or like systems
摘要
申请公布号	US2939917(A)	申请公布日期	1960.06.07
申请号	US19540439355	申请日期	1954.06.25
申请人	TELEPHONE MANUFACTURING COMPANY LIMITED	发明人	HARRISON KENNETH WHITELEY
分类号	H04J1/04	主分类号	H04J1/04
代理机构		代理人
主权项
地址

您可能感兴趣的专利

WELDING AND DEPOSITION UNIT

POWER SOURCE FOR RESISTANCE ARC WELDING

DEVICE FOR WELDING-UP LEADS TO RESISTOR CAPS

METHOD OF FLAME CUTTING OF ROLLED SHEET

APPARATUS FOR REMOTE CONTROL OF WELDING PROCESS

PLANT FOR SOLDERING TUBULAR ARTICLES BUTT JOINTS

SLOTTED DRAWING

CUTTING DEVICE FOR SHEET MATERIAL

SIDE-AND-FACE MILLING CUTTER FOR PRODUCING THE COMPONENTS OF FIBRE REINFORCEMENT

LATHE SELF-CENTERING CHUCK

METHOD FOR PRODUCING AXISYMMETRIC BLANKS

DEVICE FOR ROLLING BLADES WITH SLANTING SECTIONS

METHOD OF MAKING CORRUGATIONS AT TUBULAR WORKPIECES

DEVICE FOR ASSEMBLY OF METAL STRUCTURES FOR WELDING

DEVICE FOR WELDING AND DEPOSITION

COMPOSITE BLANK FOR EXTRUDING BIMETALLIC RODS

METHOD FOR EXTRUDING SHAPED PRODUCTS

METHOD AND APPARATUS FOR ADJUSTING SYSTEM, SUPPORTING STRIP ROLLING LINE

METHOD OF CLEANING PIPES

ULTRASOUND CONCENTRATOR