Patent search ap:("NAT RES DEV") AND inv:"PETER BEDDOES MICHAEL" Page 1

1.

发明授权
Signal transmission systems 失效

公开(公告)号：US2965709A

公开(公告)日：1960-12-20

申请号：US69758957

申请日：1957-11-20

Applicant: NAT RES DEV

Inventor： COLIN CHERRY EDWARD , PETER BEDDOES MICHAEL

IPC: H04N3/00 , H04N3/32 , H04N7/12

CPC classification number: H04N7/12 , H04N3/00 , H04N3/32

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