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
ECHO CANCELLER
摘要
申请公布号
JPH0774682(A)
申请公布日期
1995.03.17
申请号
JP19930217184
申请日期
1993.09.01
申请人
NIPPON TELEGR & TELEPH CORP <NTT>
发明人
MORIYA TAKEHIRO;SHIMADA MASAHARU;MAKINO SHOJI;KANEDA YUTAKA
分类号
H04B3/23;(IPC1-7):H04B3/23
主分类号
H04B3/23
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Vacuum Device for Sealing an Anatomical Opening
TUNABLE OPTICAL DIFFRACTION GRATING APPARATUS AND RELATED METHODS
Apparatus And Method For Activating A Localization Process For A Tire Pressure Monitor
BLOW MOULDING MACHINE, METHOD OF EXCHANGING BLOW MOULDING STATION COMPONENTS AND BEVERAGE FILLING PLANT AND/OR BEVERAGE CONTAINER PRODUCTION PLANT
COMMUNICATION DEVICE, CONTROL METHOD, AND PROGRAM
PRESSURE RELIEF VALVE ASSEMBLY
FLUID VISCOSITY MEASURING DEVICE
CATALYST FOR ALKYLATION AND PROCESS FOR PRODUCING ALKYLAROMATIC HYDROCARBON COMPOUND USING THE CATALYST
APPARATUS FOR REMOVING CATALYST SURFACE SUBSTANCES
Multi-Source Assisted Content Delivering System
Attribute Entropy as a Signal in Object Normalization
SECURE DEVICE BASED NFC TRANSACTIONS
METHOD FOR PRODUCING AMMONIA
Transmitter, Receiver and Methods for Downlink Control Signalling
CLASS 1 LASER TREATMENT SYSTEM
BETA-MANNOSYLCERAMIDE AND STIMULATION OF NKT CELL ANTI-TUMOR IMMUNITY
FIELD-INSTALLABLE EXPANDED BEAM CONNECTOR SYSTEM
METHOD AND APPARATUS FOR CONTROLLING TRANSMIT POWER
KIOSK SET-TOP-BOX
SYSTEMS AND METHODS FOR ELECTRONIC COMMUNICATION USING UNIQUE IDENTIFIERS ASSOCIATED WITH ELECTRONIC ADDRESSES