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
Piezoelectric transducer unit for telephone sets.
摘要
申请公布号
EP0432546(B1)
申请公布日期
1994.06.08
申请号
EP19900122416
申请日期
1990.11.23
申请人
SIEMENS AKTIENGESELLSCHAFT
发明人
SASONOW, WERNER, DIPL.-ING. (FH)
分类号
H04R1/06;H04R17/00;(IPC1-7):H04R1/06
主分类号
H04R1/06
代理机构
代理人
主权项
地址
您可能感兴趣的专利
WEARABLE COMPUTER SYSTEM
SOLID ELECTROLYTIC CAPACITOR
LENS CAP FOR OPTICAL MODULE, OPTICAL MODULE, AND METHOD FOR MANUFACTURING LENS CAP FOR OPTICAL MODULE
REFLECTION SCREEN AND IMAGE DISPLAY SYSTEM
Gain-Equalized Few-Mode Fiber Amplifier
RECORDING APPARATUS
IMAGE PROCESSING SYSTEM, INFORMATION PROCESSING APPARATUS, IMAGE PROCESSING METHOD, INFORMATION PROCESSING METHOD, AND STORAGE MEDIUM
METHOD AND SYSTEM FOR ENVIRONMENTAL WATERMARKING
OUTPUT SYSTEM, TERMINAL APPARATUS, AND METHOD OF OUTPUTTING DATA
NETWORK SYSTEM, CODE PROVIDING DEVICE, TERMINAL, AND COMPUTER-READABLE STORAGE MEDIUIM FOR COMPUTER PROGRAM
ELECTRONIC DEVICE AND NON-TRANSITORY STORAGE MEDIUM
IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND PROGRAM
DATA GENERATION APPARATUS, NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM, AND DATA GENERATION METHOD
IMAGE CAPTURE UNIT AND COMPUTER READABLE MEDIUM USED IN COMBINATION WITH SAME
ELLIPSOMETER FOR DETECTING SURFACE
Three-Dimensional Titania Nano-Fibrous Architecture for Molecular Detection by Raman Spectroscopy
SYSTEMS AND METHODS FOR HIGH-THROUGHPUT AND SMALL-FOOTPRINT SCANNING EXPOSURE FOR LITHOGRAPHY
PROJECTION OPTICAL SYSTEM AND PROJECTION-TYPE DISPLAY APPARATUS
METHOD FOR OPTIMIZING AND/OR MANUFACTURING EYEGLASS LENSES
APPARATUS, METHOD, AND NON-TRANSITORY MEDIUM FOR OPTICAL STABILIZATION AND DIGITAL IMAGE REGISTRATION IN SCANNING LIGHT OPHTHALMOSCOPY
