发明授权
US06300880B1 Multichannel audio distribution system having portable receivers 失效
具有便携式接收机的多声道音频分配系统

  • 专利标题: Multichannel audio distribution system having portable receivers
  • 专利标题(中): 具有便携式接收机的多声道音频分配系统
  • 申请号: US08587191
    申请日: 1996-01-16
  • 公开(公告)号: US06300880B1
    公开(公告)日: 2001-10-09
  • 发明人: Eran Sitnik
  • 申请人: Eran Sitnik
  • 主分类号: H04Q100
  • IPC分类号: H04Q100
Multichannel audio distribution system having portable receivers
摘要:
A multichannel switched communication system having a plurality of communication channels, with a plurality of information records stored in a database relating to a plurality of identified objects; a database server system for selectively accessing information records based on a selection criteria; a common input, receiving the selection criteria associated with an identification of a receiver, the selection criteria including object identification information; and a multichannel distribution system capable of simultaneously transmitting a plurality of information records, for transmitting the selectively accessed information record to the identified receiver. A plurality of mobile receivers each receives a desired broadcast on one of a plurality of channels. A bar code scanner associated with a mobile receiver identifies desired information record for retrieval. An infrared or radio frequency communication system may be provided for transmitting control data from the mobile receiver.
信息查询
0/0