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
ELECTRO-ACOUSTIC TRANSDUCER
摘要
申请公布号
EP0560415(A3)
申请公布日期
1993.12.08
申请号
EP19930109491
申请日期
1988.10.24
申请人
SONY CORPORATION
发明人
KAMON, YOSHIYUKI;ISO, MASAHIKO;YAMAGISHI, MAKOTO
分类号
H04R1/08;H04R1/10;H04R1/22;(IPC1-7):H04R1/10;H04R1/20
主分类号
H04R1/08
代理机构
代理人
主权项
地址
您可能感兴趣的专利
ELECTROMAGNETIC RELAY
SWITCH DEVICE
SHAFT FIXING DEVICE
METHOD FOR RECORDING AND REPRODUCING INFORMATION
MAGNETIC HEAD DEVICE, ITS MANUFACTURING METHOD, AND FLOPPY (REGISTERED TRADE MARK) DISK DRIVE
MAGNETIC HEAD
AUTOMATIC VENDING MACHINE
CAN THROWING-IN DEVICE FOR AUTOMATIC VENDING MACHINE
MEDAL WASHING DEVICE
METHOD FOR MEASURING THICKNESS OF MAGNETIC LAYER OF MAGNETIC RECORDING MEDIUM
PERPENDICULAR MAGNETIC RECORDING MEDIUM AND METHOD FOR MANUFACTURING THE SAME
ALARMING DEVICE
MACHINE AND METHOD FOR AUTOMATICALLY VENDING PHOTOGRAPH, PRINTING MEDIUM, PHOTOGRAPHING PROGRAM, AND RECORDING MEDIUM
CHARACTER STRING RETRIEVAL METHOD AND CHARACTER STRING RETRIEVAL DEVICE
CHARACTER EXPRESSION INPUT-TYPE FRACTIONAL CALCULATION SYSTEM
DUAL PORT MEMORY SYSTEM
INFORMATION PROCESSOR, METHOD, AND PROGRAM
METHOD FOR DETERMINING NUMBER OF REGISTER TO BE ALLOCATED
ROBOT
LUMINOUS DISPLAY ELEMENT AND INFORMATION TERMINAL DEVICE