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1.发明授权Automatic code transmitter utilizing a code bearing medium having bits of information 失效自动代码发送器利用具有位信息的代码承载介质
公开(公告)号：US3320369A
公开(公告)日：1967-05-16
申请号：US35335664
申请日：1964-03-20
Applicant: BELL TELEPHONE LABOR INC
Inventor： HERSHEY HAROLD J , O'CONNOR ROBERT J , WARNOCK MERVILLE L
IPC: H04M1/278
CPC classification number: H04M1/278
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