发明名称 RADIO FACSIMILE POSTAL SYSTEM FOR MULTIPLE ADDRESSEES
摘要 A radio facsimile postal system in which a plurality of code signals uniquely identifying the addressees to receive a "third class" mailing are sequentially transmitted prior to the transmission of image signals representative of the written message. In this manner, system subscribing addressees to receive such mailing will have the radio facsimile recorders of their receivers conditioned to respond to the particular message information subsequently transmitted.
申请公布号 US3678180(A) 申请公布日期 1972.07.18
申请号 USD3678180 申请日期 1970.10.09
申请人 RCA CORP. 发明人 DONALD SPENCER BOND
分类号 B07C3/02;H04N1/00;H04N1/32;(IPC1-7):H04N7/16 主分类号 B07C3/02
代理机构 代理人
主权项
地址