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
Automatic handset-speakephone switching arrangement for portable communication device
摘要
申请公布号
US5224151(A)
申请公布日期
1993.06.29
申请号
US19920861713
申请日期
1992.04.01
申请人
AT&T BELL LABORATORIES
发明人
BOWEN, DONALD J.;ERVING, RICHARD H.;MILLER, II, ROBERT R.
分类号
H04M1/60
主分类号
H04M1/60
代理机构
代理人
主权项
地址
您可能感兴趣的专利
Medical Imaging Leveling
FIREARM MODIFICATION METHOD AND KIT ASSEMBLY
SELF-IMPROVING METHOD OF USING ONLINE COMMUNITIES TO PREDICT HEALTH-RELATED OUTCOMES
SIDE OPENING UNIFIED POD
Method of processing a current field macroblock
Apparatus and Methods for Selecting Light Emitters for a Transmissive Display
Tobacco Articles and Methods
METHOD AND APPARATUS FOR COMPRESSING TEXT AND IMAGE
INFORMATION SECURITY DEVICE
ELECTRONICALLY KEYED DISPENSING SYSTEMS AND RELATED METHODS UTILIZING NEAR FIELD FREQUENCY RESPONSE
Gemcitabine derivatives nanoparticles
SPLIT REAR WHEEL ASSEMBLY FOR A MOTORCYCLE
METHODS, SYSTEMS AND COMPUTER PROGRAM PRODUCTS FOR POSITIONING A GUIDANCE APPARATUS RELATIVE TO A PATIENT
PROCESS FOR SEPARATING AND DETERMINING THE VIRAL LOAD IN A PANCREATIN SAMPLE
Artifact-Free Displaying of MPEG-2 Video in the Progressive-Refresh Mode
ROTARY DISPLACEMENT PUMP WITH SMALLER RADIAL DIMENSIONS
DIGITAL BROADCASTING TRANSMISSION/RECEPTION SYSTEM HAVING IMPROVED RECEIVING PERFORMANCE AND SIGNAL PROCESSING METHOD THEREOF
METHOD OF CONTROLLING DEVICE USING RADIO FREQUENCY IDENTIFICATION AND APPARATUS THEREFOR
Method and apparatus for separating fluid components
Tissue penetration device
