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
Improvements in or relating to telephone transmission systems
摘要
申请公布号
GB333374(A)
申请公布日期
1930.08.14
申请号
GB19290023143
申请日期
1929.07.27
申请人
AUTOMATIC TELEPHONE MANUFACTURING COMPANY LIMITED;THOMAS ROBERT RAYNER;JOSEPH SMITH
发明人
分类号
H04M7/08
主分类号
H04M7/08
代理机构
代理人
主权项
地址
您可能感兴趣的专利
SOCIAL MULTI-CAMERA INTERACTIVE LIVE ENGAGEMENT SYSTEM
Audiovisual Distribution Network
APPARATUS AND METHOD FOR PROVIDING CONTENT SERVICE, APPARATUS AND METHOD FOR PROVIDING SIBLING SERVICE, AND METHOD FOR DISPLAYING IMAGE
Estimating Time Remaining for an Operation
STREAMING EVENT DATA COLLECTION
INFORMATION PROCESSING DEVICE AND METHOD FOR PROTECTING DATA IN A CALL STACK
REMOTE PROVISIONING OF VIRTUAL MACHINES
APPARATUS FOR OBTAINING VIRTUAL 3D OBJECT INFORMATION WITHOUT REQUIRING POINTER
Vendor Website GUI for Marketing Greeting Cards
TOUCH PANEL INPUT DEVICE, AND IMAGE FORMATION DEVICE
TWO STEP CONTENT SELECTION WITH AUTO CONTENT CATEGORIZATION
USER ADAPTIVE INTERFACE PROVIDING SYSTEM AND METHOD
CLOUD VISUALIZATION AND MANAGEMENT SYSTEMS AND METHODS
EMBEDDABLE MEDIA UPLOAD OBJECT
MEMORY CONTROLLER WITH DISTRIBUTION TRANSFORMER
METHODS AND APPARATUS FOR DETECTING FRAME NUMBER DISCONTINUITIES BETWEEN RADIO NODES
Context Analysis at an Information Handling System to Manage Authentication Cycles
SYSTEM AND METHOD FOR REDUCING MEMORY I/O POWER VIA DATA MASKING
New Power Thermal Policy Using Micro-Throttle
高信頼性・高性能のアプリケーションメッセージ配送のためのシステム
