首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
MICROPHONE
摘要
申请公布号
PL128121(B1)
申请公布日期
1983.12.31
申请号
PL19790220719
申请日期
1979.12.21
申请人
发明人
分类号
H04R;H04R1/28;(IPC1-7):H04R1/28
主分类号
H04R
代理机构
代理人
主权项
地址
您可能感兴趣的专利
ATOMIZER WITH IMPROVED WIRE TYPE ATOMIZING ELEMENT SUPPORT AND METHOD OF MAKING SAME
STENT HAVING TAPERED EDGES
CONTROLLING METHOD OF WASHING MACHINE
A spring mounting arrangement for a sash window counterbalance arrangement
Integrated detonator for use with an explosive device
Positioner device
MEMORY SYSTEM
AN UNIFIED BRAKE SYSTEM USING ANTI-OVERRUNNING UNIT
BUS SYSTEM FOR CONNECT SUB-SYSTEM INCLUDED PLURAL MASTERS TO BUS BASED ON OPEN CORE PROTOCOL
ICE MAKING MACHINE ICE PULVERIZATION SYSTEM
STATIC ELECTRICTY PREVENTION DEVICE OF MOBILE PHONE
CHAMBER FOR CLEANING CASSETTES
BACK PRESSURE SEALING APPARATUS FOR HIGH-PRESSURE TYPE SCROLL COMPRESSOR
METHOD AND SYSTEM FOR MANAGING CALL QUALITY OF MOBILE COMMUNICATION SERVICE
A FILLER PRODUCTION METHOD FOR A OPTICAL CABLE
THE INDIVIDUAL OYSTER SEED CULTURE SYSTEM AND METHOD
DIGITAL AUDIO PLAYER WITH JAVA VIRTUAL MACHINE TO USE WIRELESS INTERNET CONTENTS
SCRIBING METHOD FOR PLASTIC FILM LCD AND APPARATUS THEREOF
TRANSMISSION OUTPUT CIRCUIT AND MOBILE COMMUNICATION TERMINAL
COMPOSITIONS, KITS, AND METHODS FOR IDENTIFICATION, ASSESSMENT, PREVENTION, AND THERAPY OF CERVICAL CANCER
