Relay arrangement for use with voice-operated devices,申请号US19260144848-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	Relay arrangement for use with voice-operated devices
摘要
申请公布号	US1798202(A)	申请公布日期	1931.03.31
申请号	US19260144848	申请日期	1926.10.28
申请人	AMERICAN TELEPHONE AND TELEGRAPH COMPANY	发明人	HERMAN JOSEPH
分类号	H04B3/20	主分类号	H04B3/20
代理机构		代理人
主权项
地址

您可能感兴趣的专利

OPTICAL RECEPTION CIRCUIT AND ITS CONTROL METHOD

COLOR FILTER AND ITS PRODUCTION AND LIQUID CRYSTAL ELEMENT FORMED BY USING THE COLOR FILTER

OPTICAL HEAD DEVICE

SOLID ELECTROLYTE FUEL CELL

SYNCHRONIZATION RECEPTION CONTROL CIRCUIT

ACCELERATION SENSOR

ALKALI METAL ELECTROCHEMICAL BATTERY USING THREE-COMPONENT NON-AQUEOUS ORGANIC SOLVENT

ORGANIC ELECTROLYTE SECONDARY BATTERY AND MANUFACTURE OF ELECTRODE THEREOF

END CELL STRUCTURE OF FUEL CELL

IMAGE PROCESSOR

ACOUSTIC SYSTEM

CIRCUIT BREAKER AND DISTRIBUTION BOARD

OPTICAL WAVEGUIDE SYSTEM

PICKUP FOR OPTICAL DISK

PERMANENT MAGNET FOR ULTRA HIGH VACUUM AND METHOD FOR MANUFACTURING THE SAME

SEALED STRUCTURE OF CASING JUNCTION

OPTICAL DISK MEDIUM, OPTICAL DISK DEVICE AND TRACKING METHOD

PICTURE CONTROLLER

MULTIPLE-HEAD FOR DEVICE FOR MOUNTING ELECTRONIC PARTS