Patent search ap:("GEN SIGNAL CORP") AND inv:"STILLMAN NEIL A" Page 1

1.

发明授权
Central to remote signalling system having roll call interrogation 失效
Title translation: 具有滚动询问的远程信令系统的中心

公开(公告)号：US3303470A

公开(公告)日：1967-02-07

申请号：US20087462

申请日：1962-06-07

Applicant: GEN SIGNAL CORP

Inventor： BRIXNER FREDERICK W , STILLMAN NEIL A , SIBLEY HENRY C

IPC: B61L7/08 , H04Q9/14 , H04Q9/16

CPC classification number: B61L7/088 , H04Q9/14 , H04Q9/16

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