Original document(12 pages)  中文版
    A short-distance wireless mobile extension system is composed of several telephone sets, at least one PBX connected to said telephone sets and an exchange of telecommunication corp, a speech gateway connected to said PBX and a local network, and at least one wireless network bridge.
Application Number
申请号		 03100967 Application Date
申请日		 2003.01.02
Title 名称 Short distance wireless extension system and its speech making metod
Publication Number
公开号		 1424847 Publication Date
公开日		 2003.06.18
Approval Pub. Date Granted Pub. Date
International Classification 分类号 H04B5/00,H04M11/00
Applicant(s) Name
申请人		 Yitian Information Co., Ltd.
Address 地址
Inventor(s) Name 发明人
Attorney & Agent 代理人 ren yongwu

  
Method for producing double check value for a main information
Method for transmitting electric books in mode of radio broadcasting and receiving electric books in mode of wireless reception
Personal digital assistant system capable of changing documents with peripheral apparatus
PDA system using mobile telephone to update software and its method
Information paging method with securty function
Portable communication device for wireless education
Hand electronic device of image projection
Hand electronic device with image projection function
Method for point-to-point transmitting image and sound in radio dynamic IP network
Small frequency width picking and transfer system and method thereof
Google
Note:All patent data come from State Intellectual Property Office of the People's Republic of China. If there were discrepancies between here and the State Intellectual Property office, the later is more accurate. The patent data is only for public exchange and learning purposes. We are not responsible for the adverse consequences with unverified use of the data.