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
DOUBLE FLEXURE DISC ELECTRO-ACOUSTIC TRANSDUCER
摘要
申请公布号
US4051455(A)
申请公布日期
1977.09.27
申请号
US19750634003
申请日期
1975.11.20
申请人
WESTINGHOUSE ELECTRIC CORPORATION
发明人
FOWLER, RALPH A.
分类号
B06B1/06;(IPC1-7):H04B13/00
主分类号
B06B1/06
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Determining energy consumption during exercise from respiratory frequency derived from heart rate measurements
Shower enclosure
A base transceiver station provided with a plurality of distributed transceiver units to make efficient use of resources
Cordless blind mechanism
OFDM communication system, communication unit and method of communicating OFDM signals
Apparatus and methods for dynamically configurable wireless network
Paper cutter
AAA support for DHCP
An automotive interior trim assembly and method for making the same
Multiple rfid anti-collision interrogation method
Portable dock leveller
Electronic vouchers
METHOD FOR RECOGNISING AN IMMINENT OVERTAKE
METHOD AND APPARATUS FOR EVALUATING AND OPTIMIZING A SIGNALING SYSTEM
Operating ferrous and non-ferrous bast furnaces
Mitt marker golf tally
DEVICE FOR DISPENSING FLUID MEDICINE
Composite laminated article and manufacture thereof
Method of driving an electro-optic display
Bod parameter detecting sensor and method for detecting body parameters
